995 search results - page 28 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
136
click to vote
DASFAA
2004
IEEE
15 years 5 months ago
2004
IEEE
Abstract. The efficient management of interval sequences represents a core requirement for many temporal and spatial database applications. With the Relational Interval Tree (RI-tr...
199
click to vote
VLDB
2006
ACM
16 years 2 months ago
2006
ACM
In this paper we study the following problem. Given a database and a set of queries, we want to find a set of views that can compute the answers to the queries, such that the amoun...
142
click to vote
DBPL
2001
Springer
15 years 6 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...
99
Voted
ICDE
2008
IEEE
15 years 8 months ago
2008
IEEE
We formulate three intuitive semantic properties for topk queries in probabilistic databases, and propose GlobalTopk query semantics which satisfies all of them. We provide a dyn...
132
click to vote
VLDB
2001
ACM
15 years 6 months ago
2001
ACM
XML has emerged as the standard data exchange format for Internet-based business applications. This has created the need to publish existing business data, stored in relational da...