Using the Characteristics of Documents, Users and Tasks to Predict the Situational Relevance of Health Web Documents
Journal Title: Journal of Information Systems Engineering & Management - Year 2017, Vol 2, Issue 4
Abstract
Relevance is usually estimated by search engines using document content, disregarding the user behind the search and the characteristics of the task. In this work, we look at relevance as framed in a situational context, calling it situational relevance, and analyze whether it is possible to predict it using documents, users and tasks characteristics. Using an existing dataset composed of health web documents, relevance judgments for information needs, user and task characteristics, we build a multivariate prediction model for situational relevance. Our model has an accuracy of 77.17%. Our findings provide insights into features that could improve the estimation of relevance by search engines, helping to conciliate the systemic and situational views of relevance. In a near future we will work on the automatic assessment of document, user and task characteristics.
Authors and Affiliations
Melinda Oroszlányová, Carla Teixeira Lopes, Sérgio Nunes, Cristina Ribeiro
Keywords
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- EP ID EP349919
- DOI 10.20897/jisem.201725
- Views 106
- Downloads 0
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