4143 search results - page 321 / 829 » A theory of distributed aspects |
190
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SIGIR
2004
ACM
16 years 8 days ago
2004
ACM
In recent years, statistical language models are being proposed as alternative to the vector space model. Viewing documents as language samples introduces the issue of defining a...
194
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SIGIR
2003
ACM
16 years 2 days ago
2003
ACM
We propose a Bayesian extension to the ad-hoc Language Model. Many smoothed estimators used for the multinomial query model in ad-hoc Language Models (including Laplace and Bayes-...
195
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PPSN
1994
Springer
15 years 11 months ago
1994
Springer
We discuss the use of normal distribution theory as a tool to model the convergence characteristics of di erent GA selection schemes. The models predict the proportion of optimal a...
168
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SIGIR
2010
ACM
15 years 10 months ago
2010
ACM
In this paper, we propose a new application of Bayesian language model based on Pitman-Yor process for information retrieval. This model is a generalization of the Dirichlet distr...
189
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NETWORKING
2007
15 years 8 months ago
2007
This paper addresses the study of fundamental properties of stream-based content distribution services. We assume the presence of an overlay network with limited connectivity degre...