Sciweavers

1654 search results - page 66 / 331
» Ontology Based Query Processing in Database Management Syste...
Sort
View
134
Voted
DEXA
2007
Springer
131views Database» more  DEXA 2007»
15 years 9 months ago
Improving Semantic Query Answering
The retrieval problem is one of the main reasoning tasks for knowledge base systems. Given a knowledge base K and a concept C, the retrieval problem consists of finding all indivi...
Norbert Kottmann, Thomas Studer
136
Voted
COOPIS
2004
IEEE
15 years 7 months ago
Refresco: Improving Query Performance Through Freshness Control in a Database Cluster
Abstract. We consider the use of a cluster system for managing autonomous databases. In order to improve the performance of read-only queries, we strive to exploit user requirement...
Cécile Le Pape, Stéphane Ganç...
NLDB
2007
Springer
15 years 9 months ago
Cross-Lingual Information Retrieval by Feature Vectors
This paper investigates query translation in cross-lingual information retrieval, especially the challenges caused by ambiguity and polysemi. We base our ideas on feature vectors a...
Jeanine Lilleng, Stein L. Tomassen
199
Voted
SIGMOD
2006
ACM
156views Database» more  SIGMOD 2006»
16 years 3 months ago
MauveDB: supporting model-based user views in database systems
Real-world data -- especially when generated by distributed measurement infrastructures such as sensor networks -- tends to be incomplete, imprecise, and erroneous, making it impo...
Amol Deshpande, Samuel Madden
208
Voted
ICDE
2006
IEEE
156views Database» more  ICDE 2006»
16 years 4 months ago
UNIT: User-centric Transaction Management in Web-Database Systems
Web-database systems are nowadays an integral part of everybody's life, with applications ranging from monitoring/trading stock portfolios, to personalized blog aggregation a...
Alexandros Labrinidis, Daniel Mossé, Huimin...