40 search results - page 2 / 8 » On the Necessity of Term Dependence in a Query Space for Wei... |
SPIRE
2005
Springer
14 years 28 days ago
2005
Springer
This paper proposes a model for Information Retrieval (IR) based on possibilistic directed networks. Relations documents-terms and query-terms are modeled through possibility and n...
WSDM
2010
ACM
14 years 4 months ago
2010
ACM
Modeling query concepts through term dependencies has been shown to have a significant positive effect on retrieval performance, especially for tasks such as web search, where rel...
IR
2006
13 years 7 months ago
2006
This paper describes a method, using Genetic Programming, to automatically determine term weighting schemes for the vector space model. Based on a set of queries and their human de...
TREC
2004
13 years 8 months ago
2004
In the robust track, we mainly tested our passage-based retrieval model with different passage sizes and weighting schemes. In our approach, we used two retrieval models, namely t...
SIGIR
2006
ACM
14 years 1 months ago
2006
ACM
Combining the output from multiple retrieval sources over the same document collection is of great importance to a number of retrieval tasks such as multimedia retrieval, web retr...