444 search results - page 16 / 89 » An integrative approach to query optimization in native XML ... |
ISMIR
2004
Springer
14 years 1 months ago
2004
Springer
The MPEG-7 standard provides description mechanisms and taxonomy management for multimedia documents. There are several approaches to design a multimedia database system using MPE...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
XML database systems are expected to handle increasingly complex queries over increasingly large and highly structured XML databases. An important problem that needs to be solved ...
VLDB
2004
ACM
14 years 1 months ago
2004
ACM
Query containment is the most fundamental relationship between a pair of database queries: a query Q is said to be contained in a query Q if the answer for Q is always a subset of...
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
In this paper we consider the problem of answering queries using views, which is important for data integration, query optimization, and data warehouses. We consider its simplest ...
CIKM
2006
Springer
13 years 11 months ago
2006
Springer
By providing an integrated and optimized support for user-defined aggregates (UDAs), data stream management systems (DSMS) can achieve superior power and generality while preservi...