1. Explorer of Taxon Concepts (ETC) From description to matrix and beyond in a web-based toolbox

2. ETC GOALS Extract comparative information from morphological descriptions Unsupervised learning algorithm with user feedback Analyze taxon character matrices Information gain based interactive key generation Logical comparison of taxonomies Through semi-automated articulation of concepts Quantitatively compare taxon concepts Morphological Description

3. TEXT CAPTURE: TERM CATEGORIZATION Terms need categorizing Categorized terms and synonymy Description Context, Ontology Entries User’s comments support collaboration

4. MATRIX GENERATION: REVIEW Taxonomic Tree Taxon Concept Details Characters by Organ Character Actions Collaboration through Annotations Character Details

5. MATRIX GENERATION: REVIEW Collaboration through Annotations

6. MATRIX GENERATION: REVIEW Bulleted Paragraph Spreadsheet-like Editing Character Actions “Desktop” for Analysis and more Collapsible Entries Set States from Description

7. ACKNOWLEDGEMENTS ONLINE ACCESS http://etc.cs.umb.edu/etcsite SOURCE CODE, ISSUE TRACKER https://github.com/biosemantics/etc-site TEAM Hong Cui, University of Arizona Fengqiong Huang, University of Arizona Bertram Ludäscher, University of Illinois, Urbana-Champaign James Macklin, Agriculture and Agri-Food Canada Bob Morris, University of Massachusetts Thomas Rodenhausen, University of Arizona Shizhuo Yu, University of California, Davis ACKNOWLEDGEMENTS This material is based upon work supported by the National Science Foundation under Grant No. DBI-1147266 and DEB-1208567. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

8. Thank You!