2043 search results - page 274 / 409 » The Limits of Querying Ontologies |
ICDE
2010
IEEE
14 years 10 months ago
2010
IEEE
Decision support queries that scan large indexes can suffer significant degradation in I/O performance due to index fragmentation. DBAs rely on rules of thumb that use index size a...
CIKM
2009
Springer
14 years 5 months ago
2009
Springer
Social tagging systems have recently emerged as an effective way for users to annotate and organize large collections of resources on the Web. Moreover, they also facilitate an e...
INFOCOM
2005
IEEE
14 years 4 months ago
2005
IEEE
— Numerous proposals exist for load balancing in peer-to-peer (p2p) networks. Some focus on namespace balancing, making the distance between nodes as uniform as possible. This te...
CORR
2002
Springer
13 years 10 months ago
2002
Springer
We address the problem of minimal-change integrity maintenance in the context of integrity constraints in relational databases. We assume that integrity-restoration actions are li...
WWW
2009
ACM
14 years 11 months ago
2009
ACM
Ad auctions in sponsored search support"broad match"that allows an advertiser to target a large number of queries while bidding only on a limited number. While giving mo...