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Search in Transliterated Space

Shared Task Proposal, FIRE 2012. Search in Transliterated Space. Monojit Choudhury Microsoft Research Lab India. A Transliterated World Wide Web. Song Lyrics. A Transliterated World Wide Web. Reviews and Forums. A Transliterated World Wide Web. Facebook and Twitter.

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Search in Transliterated Space

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  1. Shared Task Proposal, FIRE 2012 Search in Transliterated Space Monojit Choudhury Microsoft Research Lab India

  2. A Transliterated World Wide Web Song Lyrics

  3. A Transliterated World Wide Web Reviews and Forums

  4. A Transliterated World Wide Web Facebook and Twitter

  5. A Transliterated World Wide Web And lot more

  6. Beyond Indic languages • Many languages that use non-Roman script • Arabic (Saudi Arabia, UAE, Egypt, Morocco,…) • Persian • Indian sub-continental languages (IL & Dzongkha, Nepalese, Sinhala) • Thai, Vietnamese • Cyrillic (Russian, Ukrainian) • Chinese, Japanese, Korean (rare)

  7. Aspects of Transliterated Text • Transliteration • Errors, Contraction • Code Mixing

  8. IR Scenario - I Mono-script Monolingual IR in transliterated space • Query: thandeehavayehchandnisuhanee • Results: Only Roman transliterated documents • Challenge: Spelling variations • tandeehawa ye chandnysoohaany

  9. IR Scenario - II Cross-script and Multi-script Monolingual IR in transliterated space • Query: thandeehavayehchandniOR ठंडी हवा ये चाँदनी • Results: Both Roman transliterated or in native script • Challenge: Transliteration

  10. Scenario - III • Cross-script and Cross-lingual IR • Query: death of mareech and subahoo • Document: Hindi (Transliterated and Devanagari) and English documents

  11. Shared Task on Retrieval Transliterated documents in Roman Mono-script Monolingual IR Transliterated query in Roman Transliterated documents in native script Cross-script Monolingual IR Transliterated query in Roman Multi-script Monolingual IR Documents in Roman and native scripts Query in Roman or native script

  12. Shared Sub-Tasks • Language identification of transliterated queries, documents, code-mixed text koodakazhikkanoruurgan split pea soup undaki ML MLMLMLEN ENENML • Transliteration • Forward: കഴിക്കാന്‍ kazhikkan • Backward: kazhikkan കഴിക്കാന്‍

  13. Available Data • 20000 word pairs each in Bengali, Telugu, and Hindi (labeled with language tags) • 35000 unique Hindi-Roman word pairs obtained from aligning Bollywood song lyrics • More data under preparation from FaceBook on mixture of various languages. • Looking for partners to extend!

  14. Available Data • Currently we have 500 query and url-rel judged pairs for Bollywood song lyrics • Looking for partners to extend it to other (Indian) Languages • Other domains?

  15. Thank you! monojitc@microsoft.com

  16. Other resources • Lexicons • Pronunciation lexicons • G2P for some languages • Stemmers and morphological analyzers • Anything else?

  17. Concluding Remarks • We have built Multi-script Bollywood Song Search and working on transliteration and code-mixing • These are just some initial ideas that came up from our experiences • If you are interested please let me know 

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