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ADBIS
2009
Springer
143views Database» more  ADBIS 2009»
14 years 3 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...
ICDE
2005
IEEE
123views Database» more  ICDE 2005»
14 years 2 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»
14 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»
13 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»
13 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