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Effective Extraction of Thematically Grouped Key Terms From Text

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"Effective Extraction of Thematically Grouped Key Terms From Text". Presentation for AAAI-SSS-09: Social Semantic Web: Where Web 2.0 Meets Web 3.0:

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Effective Extraction of Thematically Grouped Key Terms From Text Maria Grineva Ph.D., research scientist at Institute for System Programming of RAS
Outline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Key Terms Extraction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Approaches to Key Terms Extraction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Using Wikipedia as a Knowledge Base for Natural Language Processing ,[object Object],[object Object],[object Object],[object Object]
Basic Techniques of Our Method: Semantic Relatedness of Terms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],Basic Techniques of Our Method: Semantic Relatedness of Terms ,[object Object],[object Object],[object Object],[object Object]
Basic Techniques of Our Method: Detecting Community Structure in Networks ,[object Object],[object Object],[object Object],[object Object]
Our Method ,[object Object],[object Object],[object Object],[object Object],[object Object]
Our Method: Candidate T erms E xtraction ,[object Object],[object Object],[object Object],[object Object]
Our Method: Word Sense Disambiguation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Our Method: Building Semantic Graph ,[object Object],Semantic graph built from a news article "Apple to Make ITunes More Accessible For the Blind"
Our Method: Detecting Community Structure of the Semantic Graph ,[object Object],[object Object],[object Object]
Our Method: Selecting Valuable Communities ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Advantages of the Method ,[object Object],[object Object],[object Object]
Experimental Evaluation: Creating Test Set ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Experimental Evaluation: Precision and Recall ,[object Object],[object Object],[object Object]
Experimental Evaluation: Revision of Precision and Recall ,[object Object],[object Object],[object Object],[object Object]
Your Questions

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