537 search results - page 3 / 108 » The Impact of Query Structure and Query Expansion on Retriev... |
IRAL
2003
ACM
14 years 5 days ago
2003
ACM
Query expansion by pseudo-relevance feedback is a well-established technique in both mono- and cross- lingual information retrieval, enriching and disambiguating the typically ter...
SIGIR
2009
ACM
14 years 1 months ago
2009
ACM
While query expansion techniques have been shown to improve retrieval performance in a centralized setting, they have not been well studied in a federated setting. In this paper, ...
ICTAI
2003
IEEE
14 years 6 days ago
2003
IEEE
We investigate two seemingly incompatible approaches for improving document retrieval performance in the context of question answering: query expansion and query reduction. Querie...
SIGIR
2008
ACM
13 years 6 months ago
2008
ACM
Pseudo-feedback-based automatic query expansion yields effective retrieval performance on average, but results in performance inferior to that of using the original query for many...
SIGIR
2010
ACM
13 years 10 months ago
2010
ACM
User queries to search engines are observed to predominantly contain inflected content words but lack stopwords and capitalization. Thus, they often resemble natural language que...