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SIGMOD
2001
ACM
120views Database» more  SIGMOD 2001»
14 years 7 months ago
Materialized View Selection and Maintenance Using Multi-Query Optimization
Materialized views have been found to be very effective at speeding up queries, and are increasingly being supported by commercial databases and data warehouse systems. However, w...
Hoshi Mistry, Prasan Roy, S. Sudarshan, Krithi Ram...
ICDE
2005
IEEE
101views Database» more  ICDE 2005»
14 years 8 months ago
GPIVOT: Efficient Incremental Maintenance of Complex ROLAP Views
Data warehousing and on-line analytical processing (OLAP) are essential for decision support applications. Common OLAP operations include for example drill down, roll up, pivot an...
Songting Chen, Elke A. Rundensteiner
ISAAC
2007
Springer
70views Algorithms» more  ISAAC 2007»
14 years 1 months ago
Kinetic Maintenance of Mobile k-Centres on Trees
Let C denote a set of n mobile clients, each of which follows a continuous trajectory on a weighted tree T. We establish tight bounds on the maximum relative velocity of the 1-cent...
Stephane Durocher, Christophe Paul
JSAC
2011
142views more  JSAC 2011»
13 years 2 months ago
A Distributed Key Management Framework with Cooperative Message Authentication in VANETs
Abstract—In this paper, we propose a distributed key management framework based on group signature to provision privacy in vehicular ad hoc networks (VANETs). Distributed key man...
Yong Hao, Yu Cheng, Chi Zhou, Wei Song
INTERNET
2006
156views more  INTERNET 2006»
13 years 7 months ago
Service Mosaic: A Model-Driven Framework for Web Services Life-Cycle Management
Web services provide abstractions for simplifying integration at lower levels of the interaction stacks, they don't yet help simplify integration at higher abstraction levels ...
Boualem Benatallah, Fabio Casati, Farouk Toumani, ...