Volume 30, Issue 1 (12-2014)                   ... 2014, 30(1): 199-221 | Back to browse issues page

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Hariri N, Babalhavaeji F, Farzandipour M, Nadi Ravandi S. Evaluation Criteria of Information Retrieval Systems: What We Know and What We Do Not Know. .... 2014; 30 (1) :199-221
URL: http://jipm.irandoc.ac.ir/article-1-2447-en.html
Islamic Azad University
Abstract:   (12959 Views)
Evaluation of information retrieval systems is one of the greatest challenges for information science specialists, because determining the performance of a system depends on judgment of the relevance of documents provided by the system to the user's information needs, and it has its own complexities. New retrieval systems due to the dynamic nature of the Web are very different compared with traditional retrieval systems. Web information retrieval systems in terms of ranking results are divided into two groups: The ranked retrieval results and unranked retrieval sets. Each system has a different evaluation criteria and scales. In this paper, criteria for evaluating information retrieval systems is reviewed for the ranked retrieval results (including precision and recall curves, interpolated precision, the 11-point interpolated precision average, Mean Average Precision, precision at K, R-precision, ROC curve cumulative gain and normalized discounted cumulative gain), and the unranked retrieval sets (including precision, recall, F-measure and accuracy) is introduced separately. Finally, alluding to the evaluation metrics, a scale of 4 degrees including best, useful, objective precision and then differential precision is introduced which can be used to evaluate the non-binary precision of web information retrieval systems.
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Type of Study: Research | Subject: Library and Information Science
Received: 2014/03/10 | Accepted: 2014/03/10 | Published: 2014/03/10

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