305 search results - page 2 / 61 » Investigating Retrieval Performance with Manually-Built Topi... |
CIKM
2009
Springer
13 years 12 months ago
2009
Springer
In this paper, the task of text segmentation is approached from a topic modeling perspective. We investigate the use of latent Dirichlet allocation (LDA) topic model to segment a ...
SIGIR
2010
ACM
13 years 3 months ago
2010
ACM
We investigate the effectiveness of both the standard evaluation measures and the opinion component for topical opinion retrieval. We analyze how relevance is affected by opinio...
ICDM
2007
IEEE
13 years 11 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...
CIKM
2009
Springer
13 years 3 months ago
2009
Springer
Standard approaches to evaluating and comparing information retrieval systems compute simple averages of performance statistics across individual topics to measure the overall sys...
ICMCS
2007
IEEE
13 years 11 months ago
2007
IEEE
This paper considers extractive summarization of Chinese spoken documents. In contrast to conventional approaches, we attempt to deal with the extractive summarization problem und...