2223 search results - page 102 / 445 » Query Optimization in an OODBMS |
ICDE
2006
IEEE
15 years 6 months ago
2006
IEEE
In this paper, we study SQL queries with aggregate subqueries that share common tables and conditions with the outer query. While several approaches can deal with such queries, th...
SEMWEB
2005
Springer
15 years 5 months ago
2005
Springer
Semantic query optimization (SQO) has been proved to be quite useful in various applications (e.g., data integration, graphical query generators, caching, etc.) and has been extens...
110
click to vote
DEXA
2006
Springer
15 years 3 months ago
2006
Springer
Moving range queries over mobile objects are important in many location management applications. There have been quite a few research works in this area. However, all existing solu...
PODS
2003
ACM
15 years 12 months ago
2003
ACM
In this paper we consider general path constraints for semistructured databases. Our general constraints do not suffer from the limitations of the path constraints previously stud...
121
click to vote
FOIKS
2004
Springer
15 years 5 months ago
2004
Springer
Abstract. We give a general framework for approximate query processing in semistructured databases. We focus on regular path queries, which are the integral part of most of the que...