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152
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SIGIR
2005
ACM
16 years 8 days ago
2005
ACM
In Information Retrieval (IR), the Dirichlet Priors have been applied to the smoothing technique of the language modeling approach. In this paper, we apply the Dirichlet Priors to...
166
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SIGIR
2005
ACM
16 years 8 days ago
2005
ACM
We consider classification of email messages as to whether or not they contain certain “email acts”, such as a request or a commitment. We show that exploiting the sequential ...
171
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SIGIR
2005
ACM
16 years 8 days ago
2005
ACM
In this paper, we propose a novel dependency language modeling approach for information retrieval. The approach extends the existing language modeling approach by relaxing the ind...
192
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SIGIR
2005
ACM
16 years 8 days ago
2005
ACM
When investigating alternative estimates for term discriminativeness, we discovered that relevance information and idf are much closer related than formulated in classical literat...
200
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SIGIR
2005
ACM
16 years 8 days ago
2005
ACM
Latent semantic indexing (LSI) is a well-known unsupervised approach for dimensionality reduction in information retrieval. However if the output information (i.e. category labels...