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» Semantic Optimization of Preference Queries
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CORR
2011
Springer
197views Education» more  CORR 2011»
13 years 2 months ago
Query Expansion Based on Clustered Results
Query expansion is a functionality of search engines that suggests a set of related queries for a user-issued keyword query. Typical corpus-driven keyword query expansion approach...
Ziyang Liu, Sivaramakrishnan Natarajan, Yi Chen
ICLP
2007
Springer
13 years 11 months ago
OnEQL: An Ontology Efficient Query Language Engine for the Semantic Web
Abstract. In this paper we describe the OnEQL system, a query engine that implements optimization techniques and evaluation strategies to speed up the evaluation time of querying a...
Edna Ruckhaus, Maria-Esther Vidal, Eduardo Ruiz
EUROPAR
2005
Springer
14 years 1 months ago
Epidemic-Style Management of Semantic Overlays for Content-Based Searching
A lot of recent research on content-based P2P searching for file-sharing applications has focused on exploiting semantic relations between peers to facilitate searching. To the be...
Spyros Voulgaris, Maarten van Steen
SIGMOD
2004
ACM
127views Database» more  SIGMOD 2004»
14 years 7 months ago
Efficient Query Reformulation in Peer-Data Management Systems
Peer data management systems (PDMS) offer a flexible architecture for decentralized data sharing. In a PDMS, every peer is associated with a schema that represents the peer's...
Igor Tatarinov, Alon Y. Halevy
ICMCS
2006
IEEE
192views Multimedia» more  ICMCS 2006»
14 years 1 months ago
Classifier Optimization for Multimedia Semantic Concept Detection
In this paper, we present an AUC (i.e., the Area Under the Curve of Receiver Operating Characteristics (ROC)) maximization based learning algorithm to design the classifier for ma...
Sheng Gao, Qibin Sun