579 search results - page 12 / 116 » Modeling word burstiness using the Dirichlet distribution |
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ICDM
2007
IEEE
15 years 6 months ago
2007
IEEE
Most topic models, such as latent Dirichlet allocation, rely on the bag-of-words assumption. However, word order and phrases are often critical to capturing the meaning of text in...
RECSYS
2009
ACM
15 years 6 months ago
2009
ACM
Tagging systems have become major infrastructures on the Web. They allow users to create tags that annotate and categorize content and share them with other users, very helpful in...
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CICLING
2010
Springer
15 years 3 months ago
2010
Springer
In this paper, we address both standard and focused retrieval tasks based on comprehensible language models and interactive query expansion (IQE). Query topics are expanded using a...
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NIPS
2008
15 years 1 months ago
2008
Distributed learning is a problem of fundamental interest in machine learning and cognitive science. In this paper, we present asynchronous distributed learning algorithms for two...
MIDDLEWARE
2009
Springer
15 years 4 months ago
2009
Springer
Abstract. The performance of multi-tier systems is known to be significantly degraded by workloads that place bursty service demands on system resources. Burstiness can cause queu...