Dissertation Information for Benjamin A. CarteretteNAME:
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SCHOOL: ADVISORS: COMMITTEE MEMBERS: MPACT Status: Fully Complete Title: Low-cost and robust evaluation of information retrieval systems Abstract: Research in Information Retrieval has progressed against a background of rapidly increasing corpus size and heterogeneity, with every advance in technology quickly followed by a desire to organize and search more unstructured, more heterogeneous, and even bigger corpora. But as retrieval problems get larger and more complicated, evaluating the ranking performance of a retrieval engine gets harder: evaluation requires human judgments of the relevance of documents to queries, and for very large corpora the cost of acquiring these judgments may be insurmountable. This cost limits the types of problems researchers can study as well as the data they can be studied on. |
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