• Like
  • Save
Knowledge Extraction and Semantic Linking in the Encyclopedia of Life
Upcoming SlideShare
Loading in...5
×
 

Knowledge Extraction and Semantic Linking in the Encyclopedia of Life

on

  • 177 views

This talk describes work I have been doing with Cyndy Parr at EOL to annotate text with DBpedia URIs and to generate a species associations network. It was presented to the Boston Python User Group in ...

This talk describes work I have been doing with Cyndy Parr at EOL to annotate text with DBpedia URIs and to generate a species associations network. It was presented to the Boston Python User Group in April 2013.

Statistics

Views

Total Views
177
Views on SlideShare
177
Embed Views
0

Actions

Likes
0
Downloads
0
Comments
0

0 Embeds 0

No embeds

Accessibility

Categories

Upload Details

Uploaded via as Microsoft PowerPoint

Usage Rights

CC Attribution-ShareAlike LicenseCC Attribution-ShareAlike License

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment

    Knowledge Extraction and Semantic Linking in the Encyclopedia of Life Knowledge Extraction and Semantic Linking in the Encyclopedia of Life Presentation Transcript

    • Knowledge extraction and semantic linking in the Encyclopedia of Life Anne Thessen annethessen@gmail.com
    • Performance Metrics • 1631 URIs assigned to 487 text objects from 21 test species • 83% were correct • 20% of the text objects were not assigned a URI • 239 keys in the dictionary • Precision 0.89, Recall 1, F1 Score 0.942
    • Challenges and Errors • Many ways to say the same thing – Uterine cannibalism = oophagy • Negation (9%) • Describing related taxa (30%) • Word/phrase part (27%) • Generalities (15%) • Homonym (13%)
    • Finding Taxonomic Names
    • Challenges Koko Горилла Guerilla Eastern Lowland Gorilla Gorilla graueri Gorilla berengei Gorilla beringei MatschieGorilla beringei mikenensis King kong Gorilla gorilla Virunga Gorila Gorille Mountain gorilla 大猩猩 ゴリラ
    • Challenges Contextual data Primate Monkey Eyes Food Panama Aotus nancymaae Disambiguate by authority, species, conte xtual data Contextual data Legume Plant Flower Mirbeliea Australia Aotus mollis