2043 search results - page 162 / 409 » The Limits of Querying Ontologies |
IPPS
2002
IEEE
14 years 1 months ago
2002
IEEE
Query scheduling plays an important role when systems are faced with limited resources and high workloads. It becomes even more relevant for servers applying multiple query optimi...
CIKM
2001
Springer
14 years 1 months ago
2001
Springer
Existing approaches for optimizing queries in data integration use decoupled strategies–attempting to optimize coverage and cost in two separate phases. Since sources tend to ha...
SIGMOD
1990
ACM
14 years 1 months ago
1990
ACM
The role of database knowledge 1susually limited to the evaluation of data queries In this paper we argue that when this knowledge 1sof substantial volume and complexity, there 1s...
EDBTW
2006
Springer
14 years 21 days ago
2006
Springer
A data stream management system executes a large number of continuous queries in parallel. As stream characteristics and query workload change over time, the plan initially install...
ICDE
2011
IEEE
13 years 22 days ago
2011
IEEE
— An approximate string query is to find from a collection of strings those that are similar to a given query string. Answering such queries is important in many applications su...