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Taxonomy Assessments - Part Two
The document discusses taxonomy assessments and indexing processes utilized by Access Innovations, Inc., focusing on techniques for enhancing content retrieval and evaluation. It outlines the methods for ensuring accurate subject term assignment, managing metadata, and establishing classification systems. Additionally, it addresses challenges related to indexing, including hit/miss metrics and the complexity of name disambiguation in extensive databases.
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Taxonomy Assessments - Part Two
- 1. Taxonomy Assessments - Part Two February 9, 2012 Access Innovations, Inc. Leveraging Your Content Semantically Jay Ven Eman, Ph.D., CEO j_ven_eman@accessinn.com www.accessinn.com www.dataharmony.com +1.505.998.0800 Albuquerque, NM © 2012. Access Innovations, Inc. All rights reserved.
- 2. Indexing Subject term assignment Permanent meta-data to indexed object Used for retrieval and evaluation Processes • Manual • Publisher • 3rd party aggregators • Authors • Automated methods © 2011. Access Innovations, Inc. All rights reserved.
- 3. Integration / workflow API’s, Client/Server, Author Submission Web Services, HTTP-TCP/IP System Books Content Repository “A” Or Intermediate Conference Processes Proceedings Content ETC. Repository “B”, etc. Thesaurus M.A.I. Master Web Data Harmony Sites MAIstro Server Classification System © 2011. Access Innovations, Inc. All rights reserved.
- 4. Select the documentcollection CMS Please select the database and the the document directory to load © 2011. Access Innovations, Inc. All rights reserved.
- 5. CMS © 2011. AccessInnovations, Inc. All rights reserved.
- 6. Sample unstructured document © 2011. Access Innovations, Inc. All rights reserved.
- 7. Run the documentsthrough a metadata extraction process to create well-formed, rich XML • Automatic (per doc template) • E.g. Dublin Core Metadata • Bibliographic citation © 2011. Access Innovations, Inc. All rights reserved.
- 8. Automatically add thetaxonomy terms Entity extraction: People, Places, Things Conceptual indexing: using the taxonomy © 2011. Access Innovations, Inc. All rights reserved.
- 9. Classification Process orAssigned Indexing <Anchor><Date>09-14-11</Date> 09-14-11 <TI>“Solving the Challenge”</TI> “Solving the Challenge” <BLH>By</BLH> By Jay Ven Eman <Author> <AU_FN>Jay</AU_FN> The process of indexing <AU_MI></AU_MI> a content object begins <AU_LN>Ven Eman</AU_LN> with… </Author> <Body>The process of indexing a content object begins with…</Body> <Subject>Indexing</Subject> <Subject>Thesauri</Subject> <Subject>Standards</Subject> <Subject>Classification</Subject> Unstructured </Anchor> Structured Thesaurus M.A.I. Master Content Data Harmony Repository MAIstro Server e.g. Database Classification System © 2011. Access Innovations, Inc. All rights reserved.
- 10. Indexing Indexing measures • Indexing experts • Subject matter experts (SME) • Hits, misses, & noise • 85% hits In conjunction with taxonomy measures • Over & under used terms • Over & under indexed content © 2011. Access Innovations, Inc. All rights reserved.
- 11. Indexing & SearchMetrics Hit, Miss, Noise Subjective • Relevance • Aboutness Statistical • Precision • Recall • Level of effort © 2011. Access Innovations, Inc. All rights reserved.
- 12. Hit, Miss, Noise Hit – exactly what a human indexer would use Miss – human indexer would use, but system did not assign Noise – system assigned, but human did not • Relevant noise – could have been assigned • Irrelevant noise – just plain wrong © 2011. Access Innovations, Inc. All rights reserved.
- 13. Subjective Relevance • Reflects how akin it is to the users request “Aboutness” • Reflects the topical match between the document content and the term • How well the topic describes what the document is about Varies with level of conceptual terms vs. factual terms in the thesaurus © 2011. Access Innovations, Inc. All rights reserved.
- 14. Indexing All content types & sources • Inventory control • Everything in, everything out Document types • Articles • Proceedings • Corporate © 2011. Access Innovations, Inc. All rights reserved.
- 15. Link to CommunityResources (Source: Helen Atkins, AACR) CME Upcoming Other Activity on Conference Journal Topic A on Topic A Articles on Topic A Job Posting Journal for Expert Article on on Topic A Topic A Grant Available Podcast Interview for Researchers with Researcher Working on Working on Topic A Topic A Author Networks Social Networking SME – Topic A © 2011. Access Innovations, Inc. All rights reserved.
- 16. Indexing with DataHarmony® M.A.I.™ Rule base development • 80/20 rule • Indexing objectives GUI Time-to-market • Level of effort to build • Level of effort to maintain • Less than all other alternatives when indexing for high precision & recall © 2011. Access Innovations, Inc. All rights reserved.
- 17. Updating Rule Base Automatic for matching rules when using Data Harmony MAIstro™ 80/20 rule Re-index when 5% to 10% changes to taxonomy – arbitrary ranges: • Monthly with small databases – 5k to 20k • Quarterly with medium – 20k to 1 million • Annual with large – greater than 1 million Depends on search software, too © 2011. Access Innovations, Inc. All rights reserved.
- 18. NAMES © 2012. AccessInnovations, Inc. All rights reserved.
- 19. What’s in aname? Juliet: "What's in a name? That which we call a rose By any other name would smell as sweet." Romeo and Juliet (II, ii, 1-2) © 2011. Access Innovations, Inc. All rights reserved.
- 20. © 2012. AccessInnovations, Inc. All rights reserved.
- 21. Magnitude of theProblem: Facebook - 700 Million Users Projected for 2011(Open-First) 700 Million Names How will your boss, peers, anyone ever find you? © 2012. Access Innovations, Inc. All rights reserved.
- 22. What’s in aname? My name Jay Ven Eman Ven Eman, Jay <First_Name>Jay</First_Name> <Last_Name>Ven Eman</Last_Name> Name variants Aliases Jay Von Eman William Henry McCarty Jay Van Eman Henry Antrim Jay van Eman William H. Bonney Jay ven Eman Billy the Kid Jay Veneman National & Cultural Jay Venema Conventions © 2011. Access Innovations, Inc. All rights reserved.
- 23. Names Computationally & editorially intense Author submissions Membership records & the like Industry initiatives – ORCID, VIVO Subject term disambiguation Inventory control basics apply here, too Difficulty level is high Constance maintenance needed © 2011. Access Innovations, Inc. All rights reserved.
- 24. Taxonomy Assessments - Part Two February 9, 2012 Thank you! Questions? Access Innovations, Inc. Leveraging Your Content Semantically Jay Ven Eman, Ph.D., CEO j_ven_eman@accessinn.com www.accessinn.com www.dataharmony.com +1.505.998.0800 Albuquerque, NM © 2012. Access Innovations, Inc. All rights reserved.
Editor's Notes
- #7 PDF
- #10 Post processing“Labels” content itemBut also classifies author
- #16 Thanks to Helen Atkins of AACR for this illustration.The real power of this is that the links can all go in all directions, so we take advantage of having the user’s attention regardless of how they step into our “web”Continuing Medical Education (CME)
- #21 Johnny Carson