Sciweavers

1809 search results - page 161 / 362
» Topic Modeling Ensembles
Sort
View
ECIR
2010
Springer
15 years 4 months ago
Predicting Query Performance via Classification
We investigate using topic prediction data, as a summary of document content, to compute measures of search result quality. Unlike existing quality measures such as query clarity t...
Kevyn Collins-Thompson, Paul N. Bennett
TREC
2008
15 years 4 months ago
THUIR at TREC 2008: Enterprise Track
We participate in document search and expert search of Enterprise Track in TREC2008. The corpus and tasks are same as the year before. Different from TREC 2007, the topics come fro...
Yufei Xue, Tong Zhu, Guichun Hua, Min Zhang, Yiqun...
164
Voted
SIGIR
2010
ACM
15 years 3 months ago
Hashtag retrieval in a microblogging environment
Microblog services let users broadcast brief textual messages to people who "follow" their activity. Often these posts contain terms called hashtags, markers of a post&#...
Miles Efron
HICSS
2010
IEEE
258views Biometrics» more  HICSS 2010»
15 years 3 months ago
An Empirical Comparison of Four Text Mining Methods
The amount of textual data that is available for researchers and businesses to analyze is increasing at a dramatic rate. This reality has led IS researchers to investigate various...
Sangno Lee, Jeff Baker, Jaeki Song, James C. Wethe...
ICPR
2002
IEEE
16 years 4 months ago
Robust Contrast-Invariant EigenDetection
We achieve two goals in this paper: (1) to build a novel appearance-based object representation that takes into account variations in contrast often found in training images; (2) ...
Chakra Chennubhotla, Allan D. Jepson, John Midgley