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ICDE
2010
IEEE
250views Database» more  ICDE 2010»
16 years 1 months ago
Optimized Query Evaluation Using Cooperative Sorts
— Many applications require sorting a table over multiple sort orders: generation of multiple reports from a table, evaluation of a complex query that involves multiple instances...
Yu Cao, Ramadhana Bramandia, Chee-Yong Chan, Kian-...
NLDB
2007
Springer
15 years 10 months ago
Combining Vector Space Model and Multi Word Term Extraction for Semantic Query Expansion
Abstract. In this paper, we target document ranking in a highly technical field with the aim to approximate a ranking that is obtained through an existing ontology (knowledge stru...
Eric SanJuan, Fidelia Ibekwe-Sanjuan, Juan Manuel ...
TIME
2006
IEEE
15 years 10 months ago
In time alone: on the computational power of querying the history
Querying its own history is an important mechanism in the computations, especially those interacting with people or other computations such as transaction processing, electronic d...
Alexei Lisitsa, Igor Potapov
OTM
2004
Springer
15 years 9 months ago
Managing Long Running Queries in Grid Environment
Exceptionally large amounts of both distributed data and computational resources are becoming available through the Grid. This will enable efficient exchange and processing of very...
Ruslan Fomkin, Tore Risch
KCAP
2009
ACM
15 years 9 months ago
Cross ontology query answering on the semantic web: an initial evaluation
PowerAqua1 is a Question Answering system, which takes as input a natural language query and is able to return answers drawn from relevant semantic resources found anywhere on the...
Vanessa Lopez, Victoria S. Uren, Marta Sabou, Enri...