特设IR:没有太多的改进空间

Proceedings of the 34th international ACM SIGIR conference on Research and development in Information Retrieval Pub Date : 2011-07-24 DOI:10.1145/2009916.2010066

A. Trotman, David Keeler

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引用次数: 8

摘要

排序函数的性能在1994年达到了一个平稳期。对其原因进行了调查。首先，BM25的性能是用在10个结果的第一页上得到满足的查询的比例来衡量的——它的性能很好。然后将其性能与人类性能进行比较。他们的表现相当。结论是排序函数的改进空间不大。

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Ad hoc IR: not much room for improvement

Ranking function performance reached a plateau in 1994. The reason for this is investigated. First the performance of BM25 is measured as the proportion of queries satisfied on the first page of 10 results -- it performs well. The performance is then compared to human performance. They perform comparably. The conclusion is there isn't much room for ranking function improvement.

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Proceedings of the 34th international ACM SIGIR conference on Research and development in Information Retrieval

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