An introduction to Concept based Search Technology

1. Concept Based Search SySearch vs. Traditional Search Simplified Version for External Yu Wang, Engineering Manager

9. Example: Relevance Ranking (1) A user wants to find an article which introduces both apple and orange. He inputs query string {Apple, Orange} and the system found 2 match documents. Both documents contain both query terms, while in D1 Apple appears 3 times Orange and in D2 Apple appears equally to Orange in occurrence. Is D1 or D2 more relevant to user need? Query Terms {Apple, Orange} Apple Orange Relevance Ranking Search Server Document Server Apple… Orange… Apple… Apple… Apple… Orange… Apple Orange… D1 D2 D1 Apple: Orange=3:1 D2 Apple: Orange=1:1 D1>D2? D2>D1?

12. SySearch Functional Architecture SySearch Web GUI/API System Administration Security/CSI Event Framework Log Management Category Document Group Meta-Data Scheduler Query Bayesian Engine Augmentation Expansion FS DB EM Document Import Document Filtering Content Add-on Meta-data Parser Text Processing Term Lexicon Index MPF Index Meta-data Index Term Index FS MPF Index Meta-data Index Term Index DB

15. Distributed SySearch Deployment

16. Q&A