423 search results - page 27 / 85 » Evaluating TOP-K Queries over Business Processes |
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
This work introduces novel polynomial algorithms for processing top-k queries in uncertain databases under the generally adopted model of x-relations. An x-relation consists of a n...
ICDE
2005
IEEE
14 years 11 months ago
2005
IEEE
Sensor networks and other distributed information systems (such as the Web) must frequently access data that has a high per-attribute acquisition cost, in terms of energy, latency...
SIGMOD
2004
ACM
14 years 10 months ago
2004
ACM
In this paper, we study query evaluation on Active XML documents (AXML for short), a new generation of XML documents that has recently gained popularity. AXML documents are XML do...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Current approaches to RDF graph indexing suffer from weak data locality, i.e., information regarding a piece of data appears in multiple locations, spanning multiple data structur...
SEMWEB
2009
Springer
14 years 4 months ago
2009
Springer
We present a query processing procedure for conjunctive queries in distributed ontology systems where a large ontology is divided into ontology fragments that are later distributed...