641 search results - page 27 / 129 » Studying Query Expansion Effectiveness |
IPM
2010
13 years 6 months ago
2010
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 ...
ADBIS
2007
Springer
13 years 11 months ago
2007
Springer
Existing work repeatedly addresses that the ubiquitous positioning devices will start to generate an unprecedented stream of time-stamped positions leading to storage and computati...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
The emergence of database languages with side effects, notably for XML, raises significant challenges for database compilers and optimizers. In this paper, we extend an algebra fo...
DASFAA
2008
IEEE
14 years 2 months ago
2008
IEEE
State-of-the-art Peer-to-Peer Information Retrieval (P2P IR) systems suffer from their lack of response time guarantee especially with scale. To address this issue, a number of tec...
CLEF
2001
Springer
14 years 5 days ago
2001
Springer
We present a report on our participation in the English-Dutch bilingual task of the 2001 Cross-Language Evaluation Forum (CLEF). We attempted to demonstrate that good cross languag...