443 search results - page 57 / 89 » Relational Approach to Logical Query Optimization of XPath |
VLDB
1998
ACM
13 years 11 months ago
1998
ACM
Currently the key problems of query optimization are extensibility imposed by object-relational technology, as well as query complexity caused by forthcoming applications, such as...
ICCS
2005
Springer
14 years 1 months ago
2005
Springer
Abstract Bioinformatic data sources available on the web are multiple and heterogenous. The lack of documentation and the difficulty of interaction with these data banks require us...
ICDE
2010
IEEE
14 years 2 months ago
2010
IEEE
— Massive data analysis on large clusters presents new opportunities and challenges for query optimization. Data partitioning is crucial to performance in this environment. Howev...
ICDE
1996
IEEE
14 years 9 months ago
1996
IEEE
This paper presents a difference calculus for determining changes to rule conditions in an active DBMS. The calculus has been used for implementing an algorithm to efficiently mon...
ESWS
2008
Springer
13 years 9 months ago
2008
Springer
A lot of work has been done in the area of data stream processing. Most of the previous approaches regard only relational or XML based streams but do not cover semantically richer ...