Estimation and reliability of retrieval effectiveness measures |
| |
| Authors: | Jean Tague Jason Farradane |
| |
| Institution: | School of Library and Information Science, The University of Western Ontario, London, Ontario, Canada |
| |
| Abstract: | A probabilistic model of the retrieval process is presented. From it, the standard errors of system recall and precision estimators, based on a sample of queries, are derived. The resulting negative binomial model is fitted to empirical data from several retrieval tests. |
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
