Probabilistic Relevance Models Based on Document and Query Generation

@inbook{citeulike:2652835, abstract = {We give a unified account of the probabilistic semantics underlying the language modeling approach and the traditional probabilistic model for information retrieval, showing that the two approaches can be viewed as being equivalent probabilistically, since they are based on different factorizations of the same generative relevance model. We also discuss how the two approaches lead to different retrieval frameworks in practice, since they involve component models that are estimated quite differently.}, author = {Lafferty, John and Zhai, Chengxiang }, booktitle = {Language Modeling for Information Retrieval}, chapter = {1}, citeulike-article-id = {2652835}, comment = {Cited by [rijsbergen04geometry] as: "A very clear introduction to language modeling in IR."}, editor = {Croft, Bruce W. and Lafferty, John }, keywords = {information-retrieval}, posted-at = {2008-04-11 08:54:33}, priority = {4}, title = {Probabilistic Relevance Models Based on Document and Query Generation}, url = {http://www.cs.cmu.edu/\~{}lafferty/pub/dq.ps}, year = {2003} }

TY - CHAP ID - citeulike:2652835 L3 - citeulike-article-id:2652835 TI - Probabilistic Relevance Models Based on Document and Query Generation T2 - Language Modeling for Information Retrieval N2 - We give a unified account of the probabilistic semantics underlying the language modeling approach and the traditional probabilistic model for information retrieval, showing that the two approaches can be viewed as being equivalent probabilistically, since they are based on different factorizations of the same generative relevance model. We also discuss how the two approaches lead to different retrieval frameworks in practice, since they involve component models that are estimated quite differently. KW - information-retrieval N1 - Cited by [rijsbergen04geometry] as: "A very clear introduction to language modeling in IR." AU - Lafferty, John AU - Zhai, Chengxiang A2 - Croft, Bruce A2 - Lafferty, John PY - 2003/// UR - http://www.cs.cmu.edu/~lafferty/pub/dq.ps ER -