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PODS
1999
ACM
133views Database» more  PODS 1999»
15 years 11 months ago
Processing and Optimization of Multiway Spatial Joins Using R-Trees
One of the most important types of query processing in spatial databases and geographic information systems is the spatial join, an operation that selects, from two relations, all...
Dimitris Papadias, Nikos Mamoulis, Yannis Theodori...
HICSS
1999
IEEE
111views Biometrics» more  HICSS 1999»
15 years 11 months ago
T Spaces: The Next Wave
Millions of small heterogeneous computers are poised to spread into the infrastructure of our society. Though mostly inconspicuous today, disguised as nothing more than PIM (perso...
Tobin J. Lehman, Stephen W. McLaughry, Peter Wycko...
SIGMOD
1999
ACM
132views Database» more  SIGMOD 1999»
15 years 11 months ago
Mind Your Vocabulary: Query Mapping Across Heterogeneous Information Sources
In this paper we present a mechanism for translating constraint queries, i.e., Boolean expressions of constraints, across heterogeneous information sources. Integrating such syste...
Kevin Chen-Chuan Chang, Hector Garcia-Molina
WACC
1999
ACM
15 years 11 months ago
Virtual environments at work: ongoing use of MUDs in the workplace
In recent years much attention has been paid to networkbased, distributed environments like text-based MUDs and MOOs for supporting collaborative work. Such environments offer a s...
Elizabeth F. Churchill, Sara A. Bly
ACPC
1999
Springer
15 years 11 months ago
Optimizing I/O for Irregular Applications on Distributed-Memory Machines
In this paper we present the design, implementation and evaluation of a runtime system based on collective I/O techniques for irregular applications. Its main goal is to provide pa...
Jesús Carretero, Jaechun No, Alok N. Choudh...
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