77 search results - page 7 / 16 » Foundations of SPARQL Query Optimization |
AI
2010
Springer
13 years 10 months ago
2010
Springer
We consider the problem of finding an unknown graph by using two types of queries with an additive property. Given a graph, an additive query asks the number of edges in a set of ...
ADC
2005
Springer
14 years 3 months ago
2005
Springer
The design and implementation of advanced personalized database applications requires a preference-driven approach. Representing preferences as strict partial orders is a good cho...
DBPL
2001
Springer
14 years 2 months ago
2001
Springer
Abstract. We are interested in the theoretical foundations of the optimization of conjunctive regular path queries (CRPQs). The basic problem here is deciding query containment bot...
COMPGEOM
2010
ACM
14 years 2 months ago
2010
ACM
Orthogonal range reporting is the problem of storing a set of n points in d-dimensional space, such that the k points in an axis-orthogonal query box can be reported efficiently. ...
EDBTW
2006
Springer
14 years 1 months 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...