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1. The nice thing about working with a BC however is that the translator does have control over the search pattern that is entered so by learning the proper search syntax and by gaining some experience translators can learn which types of patterns are likely to produce valuable information and which are likely to waste time When working with a TM however the translator has no control over the search pattern that is used For example as mentioned in section 2 1 the parallel search offered by ParaConc allows a translator to limit a search to a given word sense whereas this cannot be achieved using a TM 4 3 Consistency Another highly advertised feature of TMs is that they promote consistency in translation The question that has been raised by some translators however is whether this is always desirable Merkel 1998 143 conducted a survey of 13 translators using TMs to carry out the translation of software manuals One of the questions asked was whether they preferred consistent translations of a given source segment in two different contexts The choice of answer was either yes or no with space for the respondent to elaborate on the motivations for his her choice Upon examining the completed questionnaires Merkel noted that it became apparent that there was a need for a third response in between yes and no namely a response which we can call doesn t matter This applies when the translato2. s Association or the Association of Translators and Interpreters of Ontario have provided their members with opportunities e g demonstrations workshops professional development seminars to learn about TMs In addition some professional translators associations such as the Ordre des traducteurs terminologues et interpr tes agr s du Qu bec also publish magazines aimed at language professionals and in recent years these have included a number of discussions on TMs e g B dard 1995 1998 Arrouart and B dard 2001 Lanct t 2001 In those same publications however considerably less attention has been paid to BCs only one event focusing on these tools was reported Evans 2002 This raises the question as to why BCs appear to have received a less enthusiastic welcome in the professional world than have TMs One factor that may have led to a difference in uptake of these two tools is the ease of access to such tools Firstly it should be noted that BCs have long been known in fields such as language teaching or second language learning e g Johns 1986 Mindt 1986 Barlow 2000 but it is only more recently that their potential as translation aids has been recognized Academics working in the field of translation are often involved in or have colleagues who are involved in language teaching and as such they may have gained exposure to BCs in this way Many of the existing BCs were initially developed by academics
3. translators are under pressure to work very quickly to ensure that the up to date information is reflected in all language versions of the site Furthermore it has been observed that in today s market there is currently a shortage of human translators e g Sprung 2000 ix Shadbolt 2002 30 31 Allen 2003 300 The increase in volume coupled with shorter turnaround times has resulted in an immense pressure on existing translators to work more quickly while still maintaining high quality in their work However these two demands of high quality and fast turnaround are likely to be at odds with one another Therefore one way that some translators are trying to balance the need for high Michael BARLOW Department of Applied Language Studies and Linguistics University of Auckland Auckland 1001 New Zealand mi barlow auckland ac nz quality with the need for increased productivity is by turning to electronic resources and tools One type of language resource that has become popular is the bilingual parallel corpus which is essentially a collection of texts in one language e g English alongside their translations into another language e g French The two sets of texts must be aligned which means that links are made between corresponding sections e g sentences paragraphs in the two languages Bilingual parallel corpora can contain a wealth of useful information for translators but in order to be able to exploit these resou
4. Language Studies and Linguistics at the University of Auckland MultiConcord was developed by a consortium based in the Centre for English Language Studies at the University of Birmingham BCs They will be able to share their experience with their colleagues and employers and gradually more and more companies will have translators on staff who have an understanding of such tools 4 Comparative analysis of BCs and TMs On the surface it may seem to be an obvious choice for a translator to select a TM over a BC since a TM includes the basic functions of a BC as well as a number of additional features e g automated searching segment level matching fuzzy matching However if one looks beneath the surface it seems that while TMs may be favourable in some circumstances there are other situations where a BC may be the preferred tool In the following sections we will examine the strengths and weaknesses of BCs and TMs using ParaConc and Trados as representative examples of these respective categories of tools 4 1 Automation Automation is an oft touted advantage of TMs In principle automating the search feature should speed up the process however this may not always be the case As pointed out by B dard 1995 28 it is possible to approach automation in one of two ways 1 an ambitious or high tech approach using very sophisticated and highly automated tools such as TMs or 2 a more modest or low tech approach where th
5. Letras da Universidade do Porto L Bowker 2002 Computer Assisted Translation Technology A Practical Introduction University of Ottawa Press Ottawa J DeCesaris 1996 Computerized Translation Managers as Teaching Aids In Teaching Translation and Interpreting 3 New Horizons C Dollerup amp V Appel ed pages 263 269 John Benjamins Amsterdam 6 Freelance or lite versions may restrict database or termbase size or may lack network capabilities Professional versions may cost several 1000 US O Evans 2002 ATIO Offers Members Professional Development on Concordancing Tools Newsletter of the Association of Translators and Interpreters of Ontario 31 2 7 W A Gale and K W Church 1993 A program for aligning sentences in bilingual corpora Computational Linguistics 19 75 102 S Hansen and E Teich 2002 The Creation and Exploitation of a Translation Reference Corpus In Proceedings of the Workshop on Language Resources in Translation Work and Research E Yuste Rodrigo ed pages 1 4 European Language Resources Association ELRA Paris M Heyn 1998 Translation Memories Insights and Prospects In Unity in Diversity Current Trends in Translation Studies L Bowker M Cronin D Kenny amp J Pearson ed pages 123 136 St Jerome Publishing Manchester T Johns 1986 Microconcord A Language Learner s Research Tool System 14 2 151 162 D Kenny 1999
6. US whereas a single licence for a limited version of a TM retails for closer to 1000 US It is true that there are usually additional features present with TM software e g a termbase and if these features will be used then the additional cost may be worthwhile However if a translator intends to use mainly the concordancing feature of a tool then it may be preferable to purchase a more modestly priced BC References J Allen 2003 Post editing In Computers and Translation a Translator s Guide H Somers ed pages 297 317 John Benjamins Amsterdam C Arrouart and C B dard 2001 Eloge du bitexte Circuit 73 30 F Austermtihl 2001 Electronic Tools for Translators St Jerome Publishing Manchester M Barlow 2000 Parallel Texts in Language Teaching In Multilingual Corpora in Teaching and Research S Botley T McEnery amp A Wilson ed pages 106 115 Rodopi Amsterdam C B dard 1995 L automatisation faut il y croire Circuit 48 28 C B dard 1998 Ce qu il faut savoir sur les m moires de traduction Circuit 60 25 C B dard 2000 M moire de traduction cherche traducteur de phrases Traduire 186 S Bernardini 2002 Educating Translators for the Challenges of the New Millenium The Potential of Parallel Bi directional Corpora In Training the Language Services Provider for the New Millenium B Maia J Haller amp M Ulrych ed pages 173 186 Faculdade de
7. be a good thing or a bad thing depending on the quality of the match retrieved A small point but one that is worth mentioning nonetheless is that TMs often require a great deal of user initiated clicking in order to view or use the automatically retrieved information For example in Trados when working in interactive mode the user must click in order to instruct the system to conduct a search for each new segment Once the search has been conducted only the highest ranked match is automatically presented to the user but depending on the translator s needs this is not necessarily the match that will be the most helpful There are extra clicks involved in pulling up and viewing additional matches Lastly when the auto concordance feature is activated if the system does not find any sentence level matches for the current segment it automatically opens the concordance window and displays the results however in so doing it makes the concordance window the active window so the translator has to make a point of clicking back in the target field before starting to type otherwise the text will be inadvertently written to the search field of the concordance window It is true that there is also typing and clicking to be done when using a BC but the point we want to make here is that BCs such as ParaConc do not profess to use automation as a time saver Moreover the lack of automation may actually save time in some cases For
8. consisting exclusively or primarily of similar types of texts translated for that client it may be reasonable to use a TM since presumably the sentence salad effect will be lessened by the fact that the documents will all contain similar terminological and stylistic preferences In contrast if the job is for a new client and the corpus does not contain previous work done for that client perhaps a BC would be a better choice since the translator could consult it merely for inspiration without feeling constrained by choices made previously to suit other clients or text types The decision of whether to use a TM or a BC may also depend on the translator s preferred working style Just as some drivers prefer driving a car with a manual transmission over one with an automatic transmission some translators may favour a system that does a greater degree of automatic text processing e g TM while others may opt for one that does less e g BC Another relevant issue may be the amount of experience the translator has A translator who is very experienced may prefer the flexibility offered by a BC which allows him to look up only those expressions for which he needs help In contrast a translator who is just embarking on his career may value the fact that a TM automatically makes suggestions for all types of text strings A final factor that may come into play could be cost A single licence for a BC typically costs less than 200
9. has been used before and if so how it was dealt with To use ParaConc the source and target texts must first be aligned which means that corresponding text segments are linked together A semi automatic alignment utility is included in the program to prepare texts that are not already pre aligned The initial part of the alignment process is carried out in three stages first the texts are aligned based on headings if any are present in the texts then alignment is carried out at the paragraph level and finally at the sentence level The software uses the formatting information in files to carry out alignment of headings and 2 In fact ParaConc could more properly be termed a multilingual concordancer since it is possible to consult texts in up to four languages at once However in the context of this paper we will refer to it as a BC and discuss its use for comparing texts in two languages 3 A detailed description of alignment techniques is beyond the scope of this paper however alignment is a non trivial matter Problems can arise for example if a single source text sentence has been translated by multiple target language sentences or vice versa or if information has been omitted from or added to the target text e g to handle cultural references paragraphs Alignment at the sentence level is achieved by applying the Gale Church algorithm Gale and Church 1993 To make adjustments to the alignment the user can e
10. new source text Segment from The specified operation was new source interrupted by the system text Fuzzy match EN The operation was retrieved from interrupted by the application translation FR L op ration a t memory interrompue par l application Figure 2 Fuzzy match retrieved from the TM If more than one potential match is found for any given segement these are ranked by the system according to the degree of similarity between the new segment to be translated and the previously translated segment found in the database Note that the similarity in question is a superficial similarity e g the number length of character strings that the two segments have in common and not a semantic similarity thus gone and went will not count as similar despite the similarity in meaning of the two words The match that the system perceives as being most similar to the new source segment is automatically pasted into the new target text The translator can accept this proposal as is edit it as necessary or reject it and ask to see other candidates if any were found Trados also works in conjunction with termbases however it is important to note that these need to be manually pre stocked by translators with specialized terms and their equivalents By searching in the termbase if one exists Trados can locate matches at the term level and present them to the translator Nevertheless
11. there is still a level of linguistic repetition that falls between full sentences and specialized terms repetition at the level of expression or phrase This is in fact the level where linguistic repetition will occur most often Until recently Trados permitted phrase or expression searching only though a feature that resembled a BC In other words a translator could manually select an expression and Trados would search through the database of TUs to find examples In the most recent version of Trados v6 5 however an auto concordance function has been added which when activated will automatically go on to search for text fragments when no segment level match is found Once the translator is satisfied with the translation for a given segment which can be taken directly from Trados adapted from a Trados match or created by the translator from scratch the newly created TU can be added to the TM database and the translator can move on to the next segment In this way the database grows as the translator works Trados can also be networked so that multiple translators can search and contribute to the same TM 3 BCs and TMs in the translation industry A literature survey indicates that BCs and TMs are both widely used in academic settings for translator training A long list of researchers e g Bernardini 2002 Hansen and Teich 2002 Palumbo 2002 Pearson 2000 Tagnin 2002 Zanettin 1998 have shown that using BCs in c
12. who work in language training often as a means of helping their own students This means that while such tools are generally very reasonably priced and may be easily accessible within the academic community they are sometimes not widely advertised or distributed to the professional translation community because the people who have created these tools have full time teaching jobs In contrast tools such as TMs which have typically been developed in the private sector by companies that have professional full time programmers technical support staff and generous advertising budgets are more actively marketed to working translation professionals The fact that BCs do not seem to be well advertised in the professional setting may explain in part why translators and translators associations seem to be more aware of the existence of TMs than they are of BCs This situation may change in the future however As noted above the use of BCs in translator training institutes has become firmly established since the late 1990s This means that at present most of the translators in the workforce will have received their education during a time when BCs were not part of the translator training curriculum However over the coming years the number of BC saavy graduates will increase and they will bring to the workforce their knowledge of gt For example ParaConc was developed by Dr Michael Barlow who works in the Department of Applied
13. Bilingual concordancers and translation memories A comparative evaluation Lynne BOWKER School of Translation and Interpretation University of Ottawa 70 Laurier Ave E Rm 401 Ottawa Ontario Canada KIN 6N5 lynne bowker uottawa ca Abstract Translators are increasingly turning to electronic language resources and tools to help them cope with the demand for fast high quality translation While translation memory tools seem to be well known in the translation industry at large bilingual concordancers appear to be familiar primarily in academic circles The strengths and weaknesses of these two types of tool are analyzed in an effort to recommend those circumstances in which each could best be applied 1 Introduction Recent years have witnessed a number of significant changes in the translation market Largely as a result of globalization there has been a considerable increase in the volume of text to be translated New types of text such as Web pages have also appeared and require translation The increased demand for translation has been accompanied by another trend deadlines for translation jobs have grown shorter This is in part because companies want to get their products onto the shelves in all corners of the world as quickly as possible In addition electronic documents such as Web pages may have content that needs to be updated frequently Companies want to be sure that their sites reflect the latest information so
14. CAT Tools in an Academic Environment Target 11 1 65 82 F Lanct t 2001 Splendeurs et petites mis res des m moires de traduction Circuit 72 30 M C L Homme 1999 Initiation la traductique Linguatech Brossard Quebec M Merkel 1998 Consistency and Variation in Technical Translation A Study of Translators Attitudes In Unity in Diversity Current Trends in Translation Studies L Bowker M Cronin D Kenny amp J Pearson ed pages 137 149 St Jerome Publishing Manchester D Mindt 1986 Corpus Grammar and Teaching English as a Foreign Language In The English Reference Grammar Language and Linguistics Writers and Readers G Leitner ed pages 125 139 Niemeyer Tiibingen G Palumbo 2002 The Use of Phraseology for Training and Research in the Translation of LSP Texts In Training the Language Services Provider for the New Millenium B Maia J Haller amp M Ulrych ed pages 199 212 Faculdade de Letras da Universidade do Porto J Pearson 2000 Une tentative d exploitation bi directionnelle d un corpus bilingue Cahiers de Grammaire 25 53 69 D Shadbolt 2002 The Translation Industry in Canada Multilingual Computing and Technology 13 2 30 34 R C Sprung 2000 Introduction In Translating into Success Cutting edge strategies for going multilingual in a global age R C Sprung ed pages ix xxii John Benjamins Amsterdam S E O Tagnin 2002
15. Corpora and the Innocent Translator How Can They Help Him In Translation and Meaning Part 6 B Lewandowska Tomaszczyk amp M Thelen ed pages 489 496 Hogeschool Zuyd Maastricht F Zanettin 1998 Bilingual Comparable Corpora and the Training of Translators Meta 43 4 616 630
16. e tools e g BCs are simpler and require more user input In the case of the highly automated approach there can be hidden costs Because the tools are more sophisticated they may require a greater investment of time and effort in learning how to use them which may prompt users to ask What have I got myself into The pre processing steps e g alignment may also be more demanding because an automated system depends more heavily on correct alignment As noted in section 2 2 in the case of Trados if a translator wishes to ensure that the alignment is absolutely correct in order to prevent misaligned TUs being presented he must manually verify and if necessary correct the alignment a process that can be extremely labour intensive if the database is large In contrast since the data generated by BCs is designed for consultation by a human user not a computer the alignment requirements are somewhat less stringent A certain number of alignment errors can be tolerated in a BC because the danger of automatically retrieving misaligned segments does not exist and if an error does occur the translator can simply look to the preceding or following text to find the corresponding segment because a BC does not extract the segment from its surrounding text Because BCs can tolerate a certain margin of error the translator need not bother to manually verify every alignment segment prior to beginning to use the tool which ca
17. es while the other may be favoured in a different situation Basically it comes down to a translator being aware of how the two types of tool work and the potential advantages that each offers The translator must then be able to choose the right tool for the job at hand What follows are some possible considerations that a translator might take into account when deciding which tool to use One critical factor that comes into play when choosing which tool to use is the nature of the job itself Not all translation jobs are equal and they will not necessarily all benefit from the same technology Part of the frustration experienced by some translators using translation tools may result from them applying the tool in an inappropriate situation Sometimes it may be the client who insists that a particular tool be used without really understanding that it may not be suitable whereas in other cases it may be the translator who is not aware that another more appropriate tool exists Another consideration might be the size of the job In many cases a translation job amounts to just a few thousand words which typically comes with a short deadline And since each job is different it may not be possible to use any tool without making some adaptation to either the tool or the corpus it will be used to process As pointed out by B dard 1995 28 by the time the tool is made operational the deadline may be fast approaching and the cost of getti
18. ess the corpus in a different way in order to render it readable by different tools background information including a general description of how the two types of tool work with reference to two specific tools ParaConc and Trados that are representative of the categories of BC and TM respectively Part 3 contains a brief assessment of the place occupied by these tools within the translation industry today Part 4 contains a more detailed comparative analysis of the features and associated advantages and disadvantages of each type of tool Finally Part 5 concludes with some general recommendations about which translation situations warrant the use of each type of tool 2 General introduction to BCs and TMs The general aim of both a BC and a TM is to allow a translator to consult and if appropriate to reuse relevant sections of previously translated texts In the following sections BCs and TMs will be described with reference to ParaConc and Trados which are representative examples of these respective categories of tool 2 1 ParaConc an example of a BC BCs such as ParaConc are fairly straightforward tools they allow translators to search through bilingual parallel corpora to find information that might help them to complete a new translation For example if a translator encounters a word or expression that he does not know how to translate he can look in the bilingual parallel corpus to see if this expression
19. example in ParaConc all the matches are displayed at once and the user can peruse them at a glance instead of having to click through them Finally it should be noted that not all features of TMs are in fact automated In Trados for example the termbase that is used to identify term matches must be manually pre stocked with term records by the translator prior to beginning a translation job However as pointed out by Arrouart and B dard 2001 30 when a translator consults a parallel bilingual corpus using a BC he has at his disposal a sort of full text glossary which by its very nature contains countless term records that the translator has not yet had the time to formalize Arrouart and B dard go on to observe that one day such resources may well supplant carefully managed collections of term records In summary while less automated tools such as BCs appear to achieve less they may be quicker to provide translators with results they can actually use and they are likely to be more tolerant of unexpected situations Of course using such tools may call for a higher level of inventiveness or creativity on the part of the user but thankfully these are qualities that translators typically possess 4 2 Search flexibility It was noted in section 2 1 1 that one of the perceived limitations of BCs is the nature of the searches that can be conducted Typically BCs search for occurrences in the corpus that precisely ma
20. ing process With regard to degree of automation when using a BC it is up to the translator to decide what word or expression to look up and he then has to manually type this into the search engine In terms of the nature of the search item BCs are generally designed to search only for words or very short phrases It is true that in principle a BC could be used to search for an entire sentence or paragraph however the fact that the search pattern must be manually entered tends to discourage this type of use because it would be extremely time consuming and error prone e g typos Finally BCs are sometimes criticized because of the nature of the matching process that they use By default these tools basically search through the corpus for occurrences that match the entered search pattern precisely For example if the translator enters the search pattern flatbed colour scanner into the concordancer it will retrieve only those occurrences that match that pattern exactly It will not retrieve an example that contains differences in punctuation spelling or morphology e g flat bed color scanners However as noted in section 2 some BCs such as ParaConc have added more advanced search features to improve the flexibility of searching 2 2 Trados an example of a TM Like a BC a TM is a tool designed to help translators identify and retrieve information from a bilingual parallel corpus However one of the motiva
21. ly linked semantically File the form He is re filing those forms A translator who is looking for an equivalent of a given segment would find the translation of a semantically related segment to be more useful than that of a segment which bears only a superficial resemblance to the source text segment With a BC a translator could use his own knowledge of semantics to try to formulate more relevant queries but with a TM the translator has no input into the search patterns used Moreover as mentioned in section 2 1 many BCs have developed a number of additional flexible searching techniques which though still manually initiated can approximate to some extent the results of a fuzzy match For example ParaConc offers the possibility of using operators such as wildcards as part of a search If used properly these operators can increase the flexibility of a search e g by finding inflected forms However as was the case with fuzzy matching they can also lead to problems if they are not used rigorously For instance in an effort to retrieve examples of all forms of the verb to enter a translator may input a pattern such as enter where the can be used to represent any string of characters However this pattern will also retrieve occurrences of all other words beginning with the string enter e g enterprise entertain As a result the translator may inadvertently be presented with irrelevant data
22. n represent a significant time saving Another potential drawback of automation is that the system searches for all matches even in cases where the translator may not need help with a particular passage For example if the auto concordance feature in Trados is activated it may retrieve and display matches for phrases such as because of the or in order to for which an experienced translator is unlikely to need assistance This can be distracting because the fact that information has been retrieved means that the translator will probably at least have a brief look at what the system has proposed which takes time and is disruptive to the translation process And the return on investment is bound to be low for time spent looking at matches for segments for which no translation assistance was required in the first place In contrast when working with a BC the translator initiates the searches and therefore only looks for passages for which he requires help In addition the fact that many TMs including Trados automatically copy and paste fuzzy matches or term matches directly into the target text can sometimes be a hindrance Depending on the amount of editing required to produce a desirable target segment it may actually be faster for the translator to type the translation from scratch rather than editing the proposed segment In contrast a BC does not automatically paste any text directly into the target document which can
23. ng the tool to work may have exceeded the value of the job As noted in section 4 1 TMs typically require more in terms of a learning curve and data preparation than do BCs so it may be that while a TM could provide a good return on investment for a large job a BC might be a better choice for a small job Text type is also an important factor to consider There are certain types of texts and writing styles that are highly conducive to being processed with a TM In particular texts that are a revision of a previous document e g an updated version of a user manual a re negotiated collective agreement are good candidates for translation with a TM because they will contain many repetitions at the sentence or even paragraph level Another good candidate for use with a TM is a text where the repetitive sentences are varied i e many sentences with few occurrences of each and scattered throughout the document However such documents are not the only type that translators work with Many translators are faced with texts that contain repetition primarily at the sub sentence level In such a case since the manual searches initiated by the translator using a BC may be more flexible and productive than the auto concordance search in a TM a BC may be preferable The choice may also be motivated by whether the work is being done for a regular client or for a new client If a translator works regularly for a particular client and has a corpus
24. onjunction with parallel bilingual corpora can help students with a range of translation related tasks such as identifying more appropriate target language equivalents and collocations coming to grips with difficult grammatical points e g prepositions verb tenses negative prefixes identifying the norms stylistic preferences and discourse structures associated with different text types and uncovering important conceptual information With regard to TMs meanwhile many translator trainers e g Austermthl 2001 Bowker 2002 DeCesaris 1996 Kenny 1999 L Homme 1999 are now using TMs for tasks such as getting students to analyze and evaluate different translation solutions helping students to learn more about inter and intra textual features by examining source texts and evaluating their characteristics in an effort to determine whether or not they can be usefully translated with the help of a TM and conducting longitudinal studies of students progress over the course of their training program In contrast to the academic setting where both BCs and TMs are well known and widely used the situation in the professional setting is somewhat different TMs are very popular but the existence of BCs does not seem to be widely known For example TMs are discussed frequently in the professional association literature According to newsletters programmes circulated to members translators associations such as the American Translator
25. ouble clicking on a line will bring up a window containing the segment within a larger context Suggested translations for the English head can be highlighted by positioning the cursor in the lower French results pane and clicking on the right mouse button A possible translation of head such as t te can be entered The program then simply highlights all instances of t te in the French results window which can then be displayed and sorted It is also possible to use a utility that presents a list of hot words in the French results pane including possible translations Some or all the words listed can be selected and they will then be highlighted in the results Finally more complex search commands can also be used if desired Some of the possible advanced search options are Text search Regular expression search Tag part of speech search Batch search and various heading sensitive and context sensitive searches Of particular interest to translators is a Parallel search which allows the user to enter both an English and a French search word and to retrieve only those occurrences that match both e g only instances where head is translated by t te and not by chef 2 1 1 Potential limitations of BCs There are a number of potential limitations that are often associated with BCs 1 the limited degree of automation 2 the nature of the search item and 3 the nature of the match
26. r in the justification for the choice has indicated that the translation could be consistent but that it would not matter whether the source segment was also translated differently This raises an interesting point in contrast to what many TM vendors would have us believe while consistency may sometimes be desirable it may not always be strictly necessary Furthermore there may even be cases where consistency is not at all appropriate For instance the translators consulted as part of Merkel s survey warn that there is a need to evaluate a proposed match within the new context and that it may not always be automatically acceptable This is particularly true in the case of different structural contexts e g sentence vs heading vs table cell where caution should be used in applying consistent translations Merkel 1998 145 4 4 Other quality related issues In addition to the question of consistency other quality related issues have been raised by translators working with TMs One of the most significant which was briefly introduced in section 2 2 is the fact that TM databases store isolated segment pairs rather than complete texts In the words of Arrouart and B dard 2001 30 a TM is actually a memory of sentences out of context This can be problematic because the sentences in a text generally depend on each other in various ways For example when we read write the third sentence in a text we can refer back to informa
27. rces some type of tool is needed There are two main types of tool that can be used to search for and retrieve information from a bilingual parallel corpus a bilingual concordancer BC and a translation memory TM While these two types of tool have some common goals and features they also have a number of differences As we will see in the upcoming sections BCs can be considered to be old technology and they are not well known in the translation industry outside of academic circles In contrast TMs have garnered a significant amount of attention in the translation industry of late they are very much in vogue and are considered to be leading edge technology Nevertheless a number of translators have expressed frustration and disappointment when trying to apply TMs in certain contexts It is possible that some of the frustration experienced by translators using TMs in certain situations could be alleviated by using BCs instead The aim of this paper is to conduct a comparative analysis of the two types of technology in an effort to determine the strengths and weaknesses of each in order to determine those situations where translators would be best served by using a TM and those where they may be better off using a BC Following the introduction the paper will be divided into four main parts Part 2 provides some l Note that while the same corpus data can be used with both types of tool it is usually necessary to pre proc
28. re therefore more free to work as they wish Another difficulty that may be faced by translators working with TMs is that they may be biased by what the system presents In other words after a translator has seen a suggestion from the database it may be difficult to think of another way of expressing that thought so he may use the suggested translation even if it does not fit very coherently into the text as a whole When using a BC however a translator is more likely to be seeking inspiration for handling a shorter term or expression rather than a complete segment match so he is less likely to feel unduly influenced by the overall structure of the sentence contained in the corpus He is also more likely to find examples of that term used in a variety of ways so he can pick the usage that is most suitable for integration into the text as a whole In this way a translator feels like he is making his own decisions rather than having someone else s decisions forced upon him The very fact that there are multiple ways to render a given passage in another language may also be a reason why some translators are unhappy about using a TM Merkel 1998 148 notes that as part of his survey translators were presented with several different options as translations of a given passage The choice of best translation option varied widely among translators which leads him to believe that it may be difficult to encourage translators to accept s
29. receives a new text to translate he begins by opening this new text in the Trados environment Trados proceeds to divide this new text into segments Once this has been accomplished the tool starts at the beginning of the new source text and automatically compares each segment to the contents of the TM database If it finds a segment that it remembers i e a segment that matches one that has been previously translated and stored in the TM database it retrieves the corresponding TU from the database and shows it to the translator who can refer to this previous translation and adopt or modify it for use in the new translation Of course language is flexible which means that the same idea can be expressed in a number of different ways e g The filename is invalid This file does not have a valid name Consequently a translator cannot reasonably expect to find many exact matches for complete segments in the TM However it is highly likely that there will be segments in a new source text that are similar to but not exactly the same as 4 Note that Trados is actually a suite of tools that includes among other things an automatic aligner a terminology manager and a TM segments that are stored in the TM For this reason Trados also employs a feature known as fuzzy matching As shown in Figure 2 a fuzzy match is able to locate segments in the TM that are an approximate or partial match for the segment in the
30. she had anti de chaussettes en grosse laine grege la t te coiff e d un ch che 2 troit et co terre froide et il ne d tourna pas la t te Au bout d un moment pourtant Seule fois l Arabe n avait lev la t te Salut dit Daru quand ils debot e lit il attendit immobile sans tourner la t te vers Daru comme s il coutait d coute dit il Daru secoua la t te Non tais toi Maintenant je te fa on d un troph e de chasse Et cette t te tait vivante A travers le lorgnoi lan a un dernier coup d lil vers cette t te emmaillot e de blanc vers ces effar nous sentons qu il suppose cette t te dou e d une vie particuli re sot plus trange que l on put imaginer Cette t te envelopp e emmitoufi e tait trouvent assises de fortes rotations de t te vers la gauche si elles veulent apporte le calvados D un mouvement de t te elle indique au docteur son vois 223 matches French Search word 1st left Strings matching head Frer EngficF tit Ine 849 segme 275 553 267 364 Figure 1 A ParaConc results window The concordance lines can be sorted in various ways e g primarily 1 left and secondarily 1 right in order to group similar phrases together and therefore make it easier for a translator to spot linguistic patterns Clicking on a concordance line in the upper pane will highlight that line and also the corresponding text segment in the lower pane D
31. slator will have a different style and when sentences from each are brought together the resulting text will be a Stylistic hodgepodge It is highly unlikely that the source text has been created in such a fashion i e by asking a variety of authors to contribute individual sentences so it is questionable whether this approach should be used to produce a translation which is also a text in and of itself Another quality related problem is that errors contained in TMs may come back to haunt a translator if the database is not scrupulously maintained in order to correct such errors Lanct t 2001 30 provides the following account of a translator who carefully stores all his translations in a TM but who does not update the contents to reflect corrections made by the client to the final document When the client sends a document that closely resembles a version of a document previously translated the year before the translator uses the TM and blithely reproduces the same errors in the new translation The client is irritated because the same passages that were corrected last year need to be corrected again This is not the kind of added value the client was looking for It is worth pointing out that a BC will also produce less than satisfactory results if the contents of the corpus are not of high quality The main advantage offered by a BC in this regard is that it is much more straightforward to update the corpus with a corrected text
32. tch the search pattern entered by the user In contrast TMs can make use of a fuzzy matching technique that can identify patterns that are similar to but do not precisely match the source segment However a fuzzy match is not a panacea When using fuzzy matching techniques the translator can set the sensitivity threshold of the match in other words the translator can decide how similar the two segments must be in order for a TU to be retrieved and displayed Setting the appropriate sensitivity threshold can actually be quite tricky if the threshold is set too high e g 95 similarity then potentially useful matches may be overlooked and the translator will be forced to do unnecessary independent research But if it is set too low e g 30 similarity then irrelevant segments may be erroneously retrieved and the translator will waste time weeding through the non pertinent data In addition as noted in section 2 2 even if a fuzzy match has a high percentage of similarity it may not be that useful to the translator since the matching is based on surface structure similarities rather than semantic similarities For instance the following would be retrieved as a good match in a TM since the two segments strongly resemble each other on the surface differing by only two characters File the form Fill the dorm In contrast the following pair would not be retrieved because they are not superficially similar though they are close
33. than it is to fix erroneous TUs in a TM 4 5 Translators attitudes and satisfaction An important point to consider with regard to any tool is whether or not the intended users enjoy working with it In the case of TMs Merkel 1998 140 observes that some translators fear that translation work will become more tedious and boring and that some of the creative aspects of the job will disappear with the increasing use of translation memory tools Merkel 1998 141 goes on to note that there is concern that a translator who works with a TM may be reduced to somebody who simply has to press the OK button In a similar vein B dard 2000 expresses concern that translators may lose motivation when working with a TM because they risk becoming translators of sentences rather than translators of texts In order to maximize recyclability when working with a TM translators are encouraged to translate one source text sentence by one target text sentence However as noted in section 4 4 the aim of most translators is not to translate sentences but rather to translate a message To do this effectively translators often need to work outside the artificial boundaries of end of sentence markers and they may therefore feel constrained by the sentence by sentence approach imposed by TMs In contrast Arrouart and B dard 2001 30 have observed that when working with a BC few constraints are imposed by the tool and translators a
34. ting factors in developing TMs was to overcome some of the seeming limitations of BCs as described in section 2 1 1 Consequently TMs are more automated can search for longer segments and employ fuzzy matching techniques The data contained in a conventional TM such as Trados are organized in a very precise way which differs somewhat from the way in which data are stored for use with a BC Trados divides each text into small units known as segments which usually correspond to sentences or sentence like units e g titles headings list items table cells The source text segments are linked to their corresponding target text segments and the resulting aligned pair of segments is known as a translation unit TU Each TU is extracted from the larger text and stored individually in a database It is this database of TUs not the original complete text that is later searched for matches When a TM such as Trados is first acquired its database is empty It is up to the translator to stock the database This can be done interactively by having the translator add each newly translated segment to the database as he works his way through the text or it can be done by taking previously translated texts and aligning them using the accompanying automatic alignment program It is important to note however that in order to ensure that the automatic alignment has been done correctly manual verification may be required When a translator
35. tion already presented in the first two sentences which means that it is possible to use pronouns deictic and cataphoric references etc However if we take that third sentence in isolation it may not be clear what the antecedents of such references are In addition because languages do not have a one for one correspondence or the same stylistic requirements translators who are trying to convey the overall message of a text may map the information to the sentences in the target text in a way that differs from how that information was originally dispersed among the source text sentences The result is that even if the two texts are considered to be equivalent when taken as a whole the sentences in a translation may not depend on each other in precisely the same way in which the source text sentences do B dard 2000 In order to maximize the recyclability of a text a translator working with a TM may choose to structure the sentences in the target text to match those in the source text and he may choose to avoid using pronouns or other references According to Heyn 1998 135 the result may be a text that is inherently less coherent or readable and of a lesser overall quality B dard 2000 describes this as a sentence salad rather than a text The sentence salad effect is exacerbated when the sentences in a TM come from a variety of different texts that have been translated by different translators Each text and tran
36. uggestions from TMs A related problem that has to do with different working styles of translators is described by Lanct t 2001 30 When multiple translators are sharing a single TM over a network it may be that translator A for example works by ploughing through a text to complete a full rough draft and he then goes back over the text a second and third time to clean up any outstanding problems e g terminological stylistic In contrast translator B s approach is to go more slowly doing terminological research and addressing stylistic concerns as he goes along In Lanct t s scenario translator B is frustrated by the suggestions proposed by the TM many of which were produced as part of translator A s first rough draft 5 Concluding remarks The aim of this paper has been to introduce and present an analysis of some of the strengths and weaknesses of two categories of tool BCs and TMs As noted in section 3 although TMs are widely promoted in the translation industry BCs are less well known and in some cases translators who are vaguely aware of them may erroneously believe that such tools have been completely superseded by TMs and therefore have no interest for the translation community It is not our intention to promote one type of tool over the other Instead we feel that the two technologies may be considered complementary rather than competing in the sense that one may be preferred in certain circumstanc
37. xamine the aligned segments and either merge or split particular segments as necessary One important thing to note is that the aligned units remain situated within the larger surrounding text Once the texts are aligned the translator can consult the corpus By choosing the basic search command the translator can retrieve all examples of a word or phrase or part of a word from the corpus As shown in Figure 1 the search term head has been entered and all instances of head from the English corpus are displayed in the upper pane here in a KWIC format The corresponding text segments from the French corpus are shown in the lower pane l ParaConc Freneng2 Parallel Concordance head File Search Frequency Display Sort Window Info vered with socks of heavy raw wool his head covered with a narrow short che the cold earth and he did not turn his head But after a short time he turnec climb Not once did the Arab raise his head Hello said Daru when they c Waited motionless without turning his s toward Daru as if he was listen ce Listen he said Daru shook his head No say no more Now I m leas he wall like a hunting trophy And the head was alive Through the pince ne room She glanced at his white swathed head and blue goggles again as she destrian we feel that he supposes this head to be endowed with independent conceivable This muffled and bandaged head was so unlike what
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