1 / 8

The Claim Framework

The Claim Framework. Catherine Blake School of Library and Information Science University of Illinois at Urbana-Champaign clblake@illinois.edu. Motivation. Relentless increase in electronically available text Life Sciences 17 million th entry added in April 2007 5,200 journals indexed

abie
Download Presentation

The Claim Framework

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. The Claim Framework Catherine Blake School of Library and Information Science University of Illinois at Urbana-Champaign clblake@illinois.edu

  2. Motivation • Relentless increase in electronically available text • Life Sciences • 17 millionth entry added in April 2007 • 5,200 journals indexed • 12,000 new articles each week ! • Chemistry – more than 110,000 articles in 1 year alone • Consequences: • Hundreds of thousands of relevant articles • Implicit connections between literature go unnoticed Shift from Retrieval to Synthesis

  3. The Claim Framework • Scientists use a shared sublanguage to express claims made in an empirical study  The Claim Framework captures the key characteristics of the claim sublanguage • Text mining can be used to populate the Claim Framework automatically  An automated system will identify all and only the claims that have been identified manually

  4. Claim Definition • “To assert in the face of possible contradiction” • Example sentence reporting a claim • “This study showed that Tamoxifen reduces the breast cancer risk” • Explicit Claim in the Claim Framework • Tamoxifenagent • reduceschange • [breast cancer risk] object

  5. Distribution of Claim Categories

  6. Inter Annotator Agreement Information Facet Kappa Agreement Agent 0.71 substantial Object 0.77 substantial Change 0.57 moderate Change+ChangeDir 0.88 almost perfect

  7. Location of Claims

  8. Interested ? • Send me an email clblake@illinois.edu • To see more details on the Claim Framework and an automated approach to populate explicit claims: • Blake, C. (2010) Beyond genes, proteins, and abstracts: Identifying scientific claims from full-text biomedical articles, Journal of Biomedical Informatics, 43(2), 173-189.

More Related