Sciweavers

519 search results - page 90 / 104
» A Meta-CSP Model for Optimal Planning
Sort
View
ADBIS
2009
Springer
143views Database» more  ADBIS 2009»
15 years 4 months ago
Cost-Based Vectorization of Instance-Based Integration Processes
The inefficiency of integration processes—as an abstraction of workflow-based integration tasks—is often reasoned by low resource utilization and significant waiting times f...
Matthias Böhm, Dirk Habich, Steffen Preissler...
100
Voted
ICDE
2005
IEEE
123views Database» more  ICDE 2005»
15 years 3 months ago
Load and Network Aware Query Routing for Information Integration
Current federated systems deploy cost-based query optimization mechanisms; i.e., the optimizer selects a global query plan with the lowest cost to execute. Thus, cost functions in...
Wen-Syan Li, Vishal S. Batra, Vijayshankar Raman, ...
BTW
2003
Springer
94views Database» more  BTW 2003»
15 years 2 months ago
The Paradigm of Relational Indexing: a Survey
Abstract: In order to achieve efficient execution plans for queries comprising userdefined data types and predicates, the database system has to be provided with appropriate index ...
Hans-Peter Kriegel, Martin Pfeifle, Marco Pöt...
BNCOD
1997
76views Database» more  BNCOD 1997»
14 years 10 months ago
Query Evaluation in CROQUE - Calculus and Algebra Coincide
With the substantial change of declarative query languages from plain SQL to the so-called \object SQLs", in particular OQL, there has surprisingly been not much change in the...
Torsten Grust, Joachim Kröger, Dieter Gluche,...
JSAC
2006
143views more  JSAC 2006»
14 years 9 months ago
Capacity and QoS for a Scalable Ring-Based Wireless Mesh Network
The wireless mesh network (WMN) is an economical solution to support ubiquitous broadband services. This paper investigates the tradeoffs among quality-of-service (QoS), capacity, ...
Jane-Hwa Huang, Li-Chun Wang, Chung-Ju Chang