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A Similarity Measure for Formal Ontologies with an application to ontologies of a geographic kind Mark Hall Midflight presentation for the master thesis 27 .01.2006 Overview I Topic Evaluation of data instance statistics Progress &

  1. A Similarity Measure for Formal Ontologies with an application to ontologies of a geographic kind Mark Hall Midflight presentation for the master thesis 27 .01.2006

  2. Overview I Topic Evaluation of data instance statistics Progress & Outlook Mark Hall A Similarity Measure for Formal Ontologies 27 .01.2006

  3. What’s it all about, Basil? Problem: Semantic harmonisation of heterogeneous data sets Domain: Land-Use/Land-Cover data Solution: Semantic similarity measure based on hybrid cognitive model Mark Hall A Similarity Measure for Formal Ontologies 27 .01.2006

  4. Overview II Topic Evaluation of data instance statistics Progress & Outlook Mark Hall A Similarity Measure for Formal Ontologies 27 .01.2006

  5. Instance Statistics Frequency of Polygons and relative Area calculated No significant correlation found Differences in Topography Differences in Granularity of Catalogue Differences in Granularity of Data Mark Hall A Similarity Measure for Formal Ontologies 27 .01.2006

  6. Frequency Problem Mark Hall A Similarity Measure for Formal Ontologies 27 .01.2006

  7. Dominant Category Mark Hall A Similarity Measure for Formal Ontologies 27 .01.2006

  8. Topographical Differences Mark Hall A Similarity Measure for Formal Ontologies 27 .01.2006

  9. Granularity Differences Mark Hall A Similarity Measure for Formal Ontologies 27 .01.2006

  10. Overview III Topic Evaluation of data instance statistics Progress & Outlook Mark Hall A Similarity Measure for Formal Ontologies 27 .01.2006

  11. How’ we doin’ mate? Decent :-) 2 1/2 Chapters written Mark Hall A Similarity Measure for Formal Ontologies 27 .01.2006

  12. Land ahoy! Still on course 1st complete version at end of February Clean up in March Mark Hall A Similarity Measure for Formal Ontologies 27 .01.2006

  13. Thank you Q&A now Is anybody watching me?

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