589 search results - page 4 / 118 » Optimized Query Evaluation Using Cooperative Sorts |
EDBT
2010
ACM
14 years 2 months ago
2010
ACM
: © Self-selecting, self-tuning, incrementally optimized indexes Goetz Graefe, Harumi Kuno HP Laboratories HPL-2010-24 database index, adaptive, autonomic, query execution In a re...
ISAAC
2005
Springer
14 years 26 days ago
2005
Springer
In this paper we present space-query trade-offs for external memory data structures that answer shortest path queries on planar directed graphs. For any S = Ω(N1+ ) and S = O(N2...
ICMCS
2006
IEEE
14 years 1 months ago
2006
IEEE
A visual query is based on pictorial representation of conceptual entities and operations. One of the most important features used in visual queries is the shape. Despite its intu...
EDBT
2002
ACM
14 years 7 months ago
2002
ACM
Abstract. We present a simple query language for XML, which supports hierarchical, Boolean-connected query patterns. The interpretation of a query is founded on cost-based query tr...
SIGMOD
2002
ACM
14 years 7 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...