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Thai AGROVOC ontology base for agricultural information retrieval
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Thai AGROVOC ontology base for agricultural information retrieval

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  • 1. Thai AGROVOC Ontology Base for Agricultural Information Retrieval Fifth Agricultural Ontology Workshop 27-29 April 2004 Aree Thunkijjanukij [email_address] Thai National AGRIS Centre Kasetsart University, Bangkok Thailand
  • 2. Presentation Outline
    • Introducing Thai Agri s Centre
    • Present Obstacles
    • Strategies and Solution for improvement
    • Anticipated Outcomes
    • How was the AGROVOC developed?
    • Utilization and Demonstration
    • Conclusion
  • 3. Introducing Thai National AGRIS Centre Thai National AGRIS Centre is the centre for agricultural information at the national level. It was established in 1980 and has been operating within the network of AGRIS-International Information System for the Agricultural Sciences and Technology for more than 24 years.
  • 4. The Centre’s Missions
    • To be Thai Agricultural Knowledge Centre
    • To c ollect and produc e agricultural information
    • To c reat e Thailand Agricultural Database
    • To c oordinat e and partner with AGRIS/FAO
    • To p rovid e international agricultural information service
    • To establish agricultural information network within the country
    • To encourage the development of agricultural information system in Thailand
  • 5. Present obstacles
    • Linguistic phenomena
      • Same form but different meaning
      • No words segmentation
        • การสัมมนาเชิงปฏิบัติการ เรื่องออนโทโลยีเซอร์วิส ด้านการเกษตร ครั้งที่ 5
        • Fifth Agricultural Ontology Service Workshop
    • Lexicon coverage
      • Technical terms and Name Entities
      • Hard to maintain
  • 6.
    • Indexing in English is not efficient and erroneous
    • Data retrieving deficiency (the retrieved document do not match the need of users)
    • Language barrier
    Present obstacles (cont.)
  • 7. Strategies for improvement
    • Increase indexing efficien cy
      • Create standard words for making index in Thai
      • Automatic assigned English descriptor
    • Increase retrieval efficien cy
      • Allow comprehensive and fast data retrieval
      • Multilingual document retrieval
  • 8. Contributions of T hai AGROVOC ontology t o the improvement of k nowledge management
    • Higher Quality of Knowledge repository
    • Knowledge base for intelligent retrieval system
    • A utomatic knowledge summarization and m achine translation
  • 9. Thai AGROVOC Development
    • Project financial support from Kasetsart University Research and Development Institute and technical support from FAO.
    • Two phases implementation, developing Thai AGROVOC and adding words in local language and maintenance.
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  • 13. Thai AGROVOC 1st edition ( http:// pikul.lib.ku.ac.th / )
  • 14.  
  • 15. Thai AGROVOC for indexing
  • 16. Thai AGROVOC for retrieval
  • 17. Thai AGROVOC for Intelligent search
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  • 39. Capacity building: the collaboration with computer engineering research unit, NaiST Laboratory
    • Reduce cost and increase performance , C reat ing ontology base is very time and cost consuming. The endeavor has to utilize countless experts in many fields , in addition to a lot of personnel for data recording and processing .
    • Maintenance thesaurus in terms of adding word and create hierarchical relation is extremely difficult due to lack of efficient tool.
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