Part one of a two-part series on assessing your taxonomy through indexing. Presented by Dr. Jay Ven Eman at the 2012 Data Harmony User Group meeting on February 9, 2012 at the Access Innovations, Inc. offices.

1. Taxonomy Assessments -
Part One
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. Taxonomy Assessments
 Semantic assessments – thesaurus and indexing
 Visualization role
• What is possible
• How does it work
• What do you have to do
• How it helps
• What you can learn
 Taxonomies/thesauri
• When is it done
• What constitutes a good one
• Maintenance
 Indexing
• What is good indexing
• When do you re-index
© 2011. Access Innovations, Inc. All rights reserved.

3. Taxonomy/thesaurus
 Subjective and objective measures
 Strategic objectives
 What are you trying to do with it?
• Search & retrieval
• Classification
• Knowledge discovery
• Product development
• E-commerce
© 2011. Access Innovations, Inc. All rights reserved.

4. Taxonomy/thesaurus - continued
 Audience
• Homogenous
• Heterogeneous
• Language
• Formal
• Informal
• Technical
• Lay
© 2011. Access Innovations, Inc. All rights reserved.

5. Taxonomy/thesaurus - continued
 Barriers & facilitators
• Search
 Withholding – equivalent of system lying to you
 Precision & recall trade-offs
• Taxonomy
 Ability to navigation
© 2011. Access Innovations, Inc. All rights reserved.

6. More criteria
 Balance
• Breadth
• Depth
 Synonym coverage
 Related term coverage
© 2011. Access Innovations, Inc. All rights reserved.

7. More criteria
 Is it useable for you needs?
 Visual measures
 Taxonomy experts
 Subject matter experts (SME)
 Spelling
© 2011. Access Innovations, Inc. All rights reserved.

8. Use of indexing to assess taxonomy
 Over used terms
 Under used terms
 Over and under indexed articles
 In use measures
• Search logs
• Author submitted indexing
• User feedback
• Formal
• Informal
© 2011. Access Innovations, Inc. All rights reserved.

9. Standards
 Complies with standards
• As best as possible
• Consistency
• Documentation
 Standards for process management
• Arguments
• Term ownership issues
 Navigation
© 2011. Access Innovations, Inc. All rights reserved.

10. Updating taxonomies
 Continuously
• Would suggest tool usage
• Spreadsheet or Thesaurus Master®
 Level of effort
• One to two people
• Part time – a few hours per month
 Sources
• Search logs
• Author submitted terms
• Under indexed items
© 2011. Access Innovations, Inc. All rights reserved.

11. Taxonomy view for browsing
Navtree provides the
navigation view with
indication of number of
objects tagged with
each term.
Findthe topic, click, and
retrieve precise information
© 2011. Access Innovations, Inc. All rights reserved.

12. Taxonomy Assessments -
Part One
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.

13. © 2011. Access Innovations, Inc. All rights reserved.

14. © 2011. Access Innovations, Inc. All rights reserved.