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VLDB
1998
ACM
138views Database» more  VLDB 1998»
15 years 11 months ago
TOPAZ: a Cost-Based, Rule-Driven, Multi-Phase Parallelizer
Currently the key problems of query optimization are extensibility imposed by object-relational technology, as well as query complexity caused by forthcoming applications, such as...
Clara Nippl, Bernhard Mitschang
WETICE
1997
IEEE
15 years 11 months ago
Boundaries, Awareness and Interaction in Collaborative Virtual Environments
This paper is concerned with how collaborative virtual environments can be structured in order to enable greater scalability and yet maintain a richness of communication. Based on...
Chris Greenhalgh, Steve Benford
ICMCS
1996
IEEE
106views Multimedia» more  ICMCS 1996»
15 years 11 months ago
CALVIN: An Immersimedia Design Environment Utilizing Heterogeneous Perspectives
In this paper we describe CALVIN, an immersive multimedia approach to applying virtual reality in architectural design and collaborative visualization emphasizing heterogeneous pe...
Jason Leigh, Andrew E. Johnson
ICDCS
1994
IEEE
15 years 11 months ago
Submission of Transactions from Mobile Workstations in a Cooperative Multidatabase Processing Environment
In a multidatabase environment with mobile computers involved, the nature of computing is such that the user may not wait for the submitted global transaction to complete before d...
L. H. Yeo, Arkady B. Zaslavsky
ISCA
1993
IEEE
153views Hardware» more  ISCA 1993»
15 years 11 months ago
An Adaptive Cache Coherence Protocol Optimized for Migratory Sharing
Parallel programs that use critical sections and are executed on a shared-memory multiprocessor with a writeinvalidate protocol result in invalidation actions that could be elimin...
Per Stenström, Mats Brorsson, Lars Sandberg