Sciweavers

283 search results - page 6 / 57
» A study of the effect of term proximity on query expansion
Sort
View
CIKM
2007
Springer
14 years 1 months ago
Effective top-k computation in retrieving structured documents with term-proximity support
Modern web search engines are expected to return top-k results efficiently given a query. Although many dynamic index pruning strategies have been proposed for efficient top-k com...
Mingjie Zhu, Shuming Shi, Mingjing Li, Ji-Rong Wen
IPM
2010
131views more  IPM 2010»
13 years 6 months ago
Facet-based opinion retrieval from blogs
The paper presents methods of retrieving blog posts containing opinions about an entity expressed in the query. The methods use a lexicon of subjective words and phrases compiled ...
Olga Vechtomova
WWW
2008
ACM
14 years 8 months ago
Race: finding and ranking compact connected trees for keyword proximity search over xml documents
In this paper, we study the problem of keyword proximity search over XML documents and leverage the efficiency and effectiveness. We take the disjunctive semantics among input key...
Guoliang Li, Jianhua Feng, Jianyong Wang, Bei Yu, ...
RIAO
2007
13 years 9 months ago
Using Markov Chains to Exploit Word Relationships in Information Retrieval
Document expansion and query expansion aim to add related terms into document and query representations in order to make them more complete. However, most previous studies are lim...
Guihong Cao, Jian-Yun Nie, Jing Bai
ACL
2008
13 years 9 months ago
A Re-examination of Query Expansion Using Lexical Resources
Query expansion is an effective technique to improve the performance of information retrieval systems. Although hand-crafted lexical resources, such as WordNet, could provide more...
Hui Fang