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CIKM
2005
Springer
15 years 3 months ago
Using appraisal groups for sentiment analysis
Little work to date in sentiment analysis (classifying texts by ‘positive’ or ‘negative’ orientation) has attempted to use fine-grained semantic distinctions in features ...
Casey Whitelaw, Navendu Garg, Shlomo Argamon
WWW
2007
ACM
15 years 10 months ago
Efficient search in large textual collections with redundancy
Current web search engines focus on searching only the most recent snapshot of the web. In some cases, however, it would be desirable to search over collections that include many ...
Jiangong Zhang, Torsten Suel
CIKM
2005
Springer
15 years 3 months ago
Indexing time vs. query time: trade-offs in dynamic information retrieval systems
We examine issues in the design of fully dynamic information retrieval systems with support for instantaneous document insertions and deletions. We present one such system and dis...
Stefan Büttcher, Charles L. A. Clarke
ESA
1995
Springer
127views Algorithms» more  ESA 1995»
15 years 1 months ago
Optimized Binary Search and Text Retrieval
We present an algorithm that minimizes the expected cost of indirect binary search for data with non-constant access costs, such as disk data. Indirect binary search means that sor...
Eduardo F. Barbosa, Gonzalo Navarro, Ricardo A. Ba...
SIGMOD
2008
ACM
188views Database» more  SIGMOD 2008»
15 years 9 months ago
Just-in-time query retrieval over partially indexed data on structured P2P overlays
Structured peer-to-peer (P2P) overlays have been successfully employed in many applications to locate content. However, they have been less effective in handling massive amounts o...
Sai Wu, Jianzhong Li, Beng Chin Ooi, Kian-Lee Tan