Effect of written instructions on assessor agreement

  • Authors:
  • William Webber;Bryan Toth;Marjorie Desamito

  • Affiliations:
  • University of Maryland, College Park, MD, USA;Eleanor Roosevelt High School, Greenbelt, MD, USA;Eleanor Roosevelt High School, Greenbelt, MD, USA

  • Venue:
  • SIGIR '12 Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval
  • Year:
  • 2012

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Abstract

Assessors frequently disagree on the topical relevance of documents. How much of this disagreement is due to ambiguity in assessment instructions? We have two assessors assess TREC Legal Track documents for relevance, some to a general topic description, others to detailed assessment guidelines. We find that detailed guidelines lead to no significant increase in agreement amongst assessors or between assessors and the official qrels.