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Internationalization: Implementing the XLIFF Standard

Learn about the XLIFF standard for storing localizable data and enabling interoperability between translation tools. Jon Allen from instructional media magic inc. discusses the implementation of XLIFF at the JA SIG Summer Conference 2003.

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Internationalization: Implementing the XLIFF Standard

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  1. Internationalization:Implementing the XLIFF Standard Jon Allen, Producer instructional media + magic, inc. JA-SIG Summer Conference 2003 June 10, 2003 Westminster, Colorado

  2. The Needs • JA-SIG’s uPortal framework itself • must be available in many user languages • and support language-aware channels by providing user language preferences. • Research and instruction has a number of translated documents with source and target—translated—content. _____________________________ These are two different purposes

  3. The XLIFF standard XML Localization Interchange File Format “The purpose of this format is to store localizable data and carry it from one step of the localization process to the other,while allowing interoperability between tools.” • Source text • Translated text • Information about the translation process and status OASIS Translation Web Services Technical Committee

  4. Some Background • Currently there exist a number of applications and workflows that have been developed to assist linguists to translate projects. • These applications were typically developed to read in the Resource bundles of an application and expose each of the translatable messages. • Some examples of this might be TRADOS to translate Microsoft RC files or KBabel to translate UNIX based PO files. • Some of these translation assistant applications have been made XML aware in their latest versions • Some have built in capability for interoperability with other translation applications using an XML based interchange format called XLIFF.

  5. What is XLIFF • XLIFF is an initiative within OASIS to define the XML Localization Interchange File Format. • The purpose of this format is to • Store localizable data • Carry it through steps of the localization process • Allow interoperability between tools

  6. Why XLIFF was created • Tools for linguists stored translation memories in proprietary formats • Vendor lock-in • Lack of Interoperability • Translations of the translations • XML was a flexible and appealing Markup Language for building an interoperable standard • Tools vendors were concentrating on being able to deal with many formats rather than improving features • Lack of support for standardized localization workflow

  7. XLIFF History • September 2000 group formed to look at the issue of localisation file interchange • Original group included Oracle, Sun, IBM, Novell, Berlitz GlobalNET. Moravia-IT RWS and Alchemy joined soon after. • Agreed spec 1.0 but didn’t publish due to legal issues (Intellectual Prop) • Joined Oasis December 2001 • Working draft 2a, 15 October 2002

  8. Alchemy Software Bowne Global Solutions GlobalSight HP Lotus/IBM Lionbridge LRC Moravia IT Novell Oracle Microsoft RWS Group SAP SDL International Sun Microsystems Tektronix Currently involved with XLIFF

  9. XLIFF - overview • Contains the localisible content • Bi-lingual format • Meta data • Workflow, Management information • Support material • TMs, Alternate translation

  10. XLIFF elements - overview • <file> • <header> • <phase> • <body> • <trans-unit> • <source> • <target>

  11. XLIFF element – alt-trans • Alternate translation – French translation available to French Canadian translators • Used to aid workflow • Previous translations • Rejected translations

  12. XLIFF and the uPortal Framework

  13. Channel Developer Process • Build XSLT (Skeleton) • Identify Translatable Units • Run ANT Target to generate XLIFF libraries • Translate XLIFF libraries (change flag from in process to complete) • Run ANT Target to generate Localized XSLT by combining "Skeleton" XSLT and "complete" XLIFF • Framework chooses appropriate Localized XSLT according to user and portal settings

  14. Language Gathering

  15. Example XLIFF

  16. Technical Approach (part 1) • Channel author writes XSL • With namespace • xmlns:upl="http://www.ja-sig.org/uPortal/internationalization/"> • And trans unit markings • <upl:tu> elements for Cdata • <meta name="test1" content="test2" upl:content="content" /> for attributes • XSL is the skeleton file • Channel author is the authority on what elements of the markup should be translated.

  17. Example

  18. Technical Approach (part 2) • XSL skeleton becomes the input file to an XLIFF generation transformation. • Three templates • Root template creates the XIFF Header • <upl:tu> template creates the CData source and target blocks • upl: attributes template creates attribute source and target blocks

  19. Example

  20. Technical Approach (part 3) • After the XLIFF is generated the translations can begin – either directly with the XML or using one of the localization tools

  21. Technical Approach (part 4) • After the translations are complete another transformation has been written to create localized versions of the original XSL skeleton. • A locale parameter is passed to the transformation • The transformation uses the document function to import the XLIFF files and replace the appropriate phrases

  22. Example

  23. Example Localized to Japanese

  24. Why this approach? • Run-time translations would be a performance problem • Build time translations can be cached

  25. XLIFF and Non-XML Files An XLIFF application by Peter Kharchenko

  26. Opportunities? • Translation channel • Translation memories at a central location • Other Opportunities?

  27. XLIFF for Instruction and ResearchThe XLIFF Viewer channel

  28. XLIFF Viewer Channel (1) EnglishOnly GermanOnly

  29. XLIFF Viewer Channel (2) Both Languages Side-by-Side

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