Sciweavers

9414 search results - page 229 / 1883
» Adaptive Query Processing
Sort
View
IEEECSA
2009
15 years 1 months ago
Improved Query Plans for Unnesting Nested SQL Queries
- The SQL language allows users to express queries that have nested subqueries in them. Optimization of nested queries has received considerable attention over the last few years. ...
Pranav Khaitan, Satish Kumar M, Korra Sathya Babu,...
144
Voted
WWW
2003
ACM
16 years 4 months ago
?-Queries: enabling querying for semantic associations on the semantic web
This paper presents the notion of Semantic Associations as complex relationships between resource entities. These relationships capture both a connectivity of entities as well as ...
Kemafor Anyanwu, Amit P. Sheth
BPM
2006
Springer
107views Business» more  BPM 2006»
15 years 7 months ago
On Representing, Purging, and Utilizing Change Logs in Process Management Systems
In recent years adaptive process management technolgy has emerged in order to increase the flexibility of business process implementations and to support process changes at differe...
Stefanie Rinderle, Manfred Reichert, Martin Jurisc...
201
Voted
SIGMOD
2005
ACM
164views Database» more  SIGMOD 2005»
16 years 3 months ago
RankSQL: Query Algebra and Optimization for Relational Top-k Queries
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
Chengkai Li, Kevin Chen-Chuan Chang, Ihab F. Ilyas...