Sciweavers

4116 search results - page 468 / 824
» The scalability of multigrain systems
Sort
View
DLOG
2010
15 years 4 months ago
Optimization Techniques for Fuzzy Description Logics
Sophisticated uncertainty representation and reasoning are necessary for the alignment and integration of Web data from different sources. For this purpose the extension of the Des...
Nikos Simou, Theofilos P. Mailis, Giorgos Stoilos,...
FASE
2010
Springer
15 years 4 months ago
A Verifiable Modeling Approach to Configurable Role-Based Access Control
Role-based access control (RBAC) is a popular access control model for enterprise systems due to its economic benefit and scalability. There are many RBAC features available, each ...
Dae-Kyoo Kim, Lunjin Lu, Sangsig Kim
SEMWEB
2010
Springer
15 years 4 months ago
SPARQL Query Optimization on Top of DHTs
We study the problem of SPARQL query optimization on top of distributed hash tables. Existing works on SPARQL query processing in such environments have never been implemented in a...
Zoi Kaoudi, Kostis Kyzirakos, Manolis Koubarakis
ACL
2009
15 years 4 months ago
Phrase Clustering for Discriminative Learning
We present a simple and scalable algorithm for clustering tens of millions of phrases and use the resulting clusters as features in discriminative classifiers. To demonstrate the ...
Dekang Lin, Xiaoyun Wu
IJOCI
2010
163views more  IJOCI 2010»
15 years 4 months ago
An Experimental Performance Comparison for Indexing Mobile Objects on the Plane
We present a time-efficient approach to index objects moving on the plane to efficiently answer range queries about their future positions. Each object is moving with non small ve...
Spyros Sioutas, George Papaloukopoulos, Kostas Tsi...