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Parsimonious Language Models for Information Retrieval

by Djoerd Hiemstra, Stephen Robertson, Hugo Zaragoza - In Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval , 2004
"... We systematically investigate a new approach to estimating the parameters of language models for information retrieval, called parsimonious language models. Parsimonious language models explicitly address the relation between levels of language models that are typically used for smoothing. As such, ..."
Abstract - Cited by 322 (41 self) - Add to MetaCart
We systematically investigate a new approach to estimating the parameters of language models for information retrieval, called parsimonious language models. Parsimonious language models explicitly address the relation between levels of language models that are typically used for smoothing. As such

A Study of Smoothing Methods for Language Models Applied to Ad Hoc Information Retrieval

by Chengxiang Zhai, John Lafferty
"... ..."
Abstract - Cited by 961 (40 self) - Add to MetaCart
Abstract not found

A Probabilistic Model of Information Retrieval: Development and Status

by K. Sparck Jones, S. Walker, S.E. Robertson , 1998
"... The paper combines a comprehensive account of the probabilistic model of retrieval with new systematic experiments on TREC Programme material. It presents the model from its foundations through its logical development to cover more aspects of retrieval data and a wider range of system functions. Eac ..."
Abstract - Cited by 360 (25 self) - Add to MetaCart
The paper combines a comprehensive account of the probabilistic model of retrieval with new systematic experiments on TREC Programme material. It presents the model from its foundations through its logical development to cover more aspects of retrieval data and a wider range of system functions

Distributed Information Retrieval

by Jamie Callan - In: Advances in Information Retrieval , 2000
"... A multi-database model of distributed information retrieval is presented, in which people are assumed to have access to many searchable text databases. In such an environment, full-text information retrieval consists of discovering database contents, ranking databases by their expected ability to sa ..."
Abstract - Cited by 187 (20 self) - Add to MetaCart
A multi-database model of distributed information retrieval is presented, in which people are assumed to have access to many searchable text databases. In such an environment, full-text information retrieval consists of discovering database contents, ranking databases by their expected ability

Information Retrieval Interaction

by Peter Ingwersen , 1992
"... this document, text or image about?' Gradually moving from the left to the right in Figure 3.1, different understandings of this concept evolve ..."
Abstract - Cited by 245 (8 self) - Add to MetaCart
this document, text or image about?' Gradually moving from the left to the right in Figure 3.1, different understandings of this concept evolve

Teaching and Learning in Information Retrieval

by Juan M Fernández-luna, Juan F. Huete, See Profile, Efthimis N. Efthimiadis, J. M. Fernández-luna, A. Macfarlane - Journal of Information Retrieval , 2009
"... information retrieval ..."
Abstract - Cited by 6 (0 self) - Add to MetaCart
information retrieval

Lexical Ambiguity and Information Retrieval

by Robert Krovetz , W. Bruce Croft - ACM TRANSACTIONS ON INFORMATION SYSTEMS , 2000
"... Lexical ambiguity is a pervasive problem in natural language processing. However, little quantitative information is available about the extent of the problem, or about the impact that it has on information retrieval systems. We report on an analysis of lexical ambiguity in information retrieval ..."
Abstract - Cited by 174 (3 self) - Add to MetaCart
Lexical ambiguity is a pervasive problem in natural language processing. However, little quantitative information is available about the extent of the problem, or about the impact that it has on information retrieval systems. We report on an analysis of lexical ambiguity in information retrieval

An Association Thesaurus for Information Retrieval

by Yufeng Jing, W. Bruce Croft - In RIAO 94 Conference Proceedings , 1994
"... Although commonly used in both commercial and experimental information retrieval systems, thesauri have not demonstrated consistent benefits for retrieval performance, and it is difficult to construct a thesaurus automatically for large text databases. In this paper, an approach, called PhraseFinder ..."
Abstract - Cited by 182 (11 self) - Add to MetaCart
Although commonly used in both commercial and experimental information retrieval systems, thesauri have not demonstrated consistent benefits for retrieval performance, and it is difficult to construct a thesaurus automatically for large text databases. In this paper, an approach, called Phrase

Document Language Models, Query Models, and Risk Minimization for Information Retrieval

by John Lafferty, Chengxiang Zhai - In Proceedings of SIGIR’01 , 2001
"... ..."
Abstract - Cited by 382 (29 self) - Add to MetaCart
Abstract not found

Content-based multimedia information retrieval: State of the art and challenges

by Michael S. Lew - ACM Trans. Multimedia Comput. Commun. Appl , 2006
"... Extending beyond the boundaries of science, art, and culture, content-based multimedia information retrieval provides new paradigms and methods for searching through the myriad variety of media all over the world. This survey reviews 100+ recent articles on content-based multimedia information retri ..."
Abstract - Cited by 311 (12 self) - Add to MetaCart
Extending beyond the boundaries of science, art, and culture, content-based multimedia information retrieval provides new paradigms and methods for searching through the myriad variety of media all over the world. This survey reviews 100+ recent articles on content-based multimedia information
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