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VLDB
1994
ACM
153views Database» more  VLDB 1994»
14 years 18 days ago
Optimization Algorithms for Exploiting the Parallelism-Communication Tradeoff in Pipelined Parallelism
We address the problem of finding parallel plans for SQL queries using the two-phase approach of join ordering followed by parallelization. We focus on the parallelization phase a...
Waqar Hasan, Rajeev Motwani
VLDB
1994
ACM
140views Database» more  VLDB 1994»
14 years 18 days ago
Efficient and Effective Clustering Methods for Spatial Data Mining
Spatial data mining is the discovery of interesting relationships and characteristics that may exist implicitly in spatial databases. In this paper, we explore whether clustering ...
Raymond T. Ng, Jiawei Han
VLDB
1994
ACM
132views Database» more  VLDB 1994»
14 years 18 days ago
Modelling and Querying Video Data
As video data is penetrating many information systems the need for database support for video data evolves. In this paper we present a generic data model that captures the structu...
Rune Hjelsvold, Roger Midtstraum
VLDB
1994
ACM
114views Database» more  VLDB 1994»
14 years 18 days ago
Relating Distributed Objects
Many relational and object-oriented database systems provide referential integrity and compound operations on related objects using relationship mechanisms. Distributed object sys...
Bruce E. Martin, R. G. G. Cattell
VLDB
1994
ACM
127views Database» more  VLDB 1994»
14 years 18 days ago
Semantic Integration in Heterogeneous Databases Using Neural Networks
One important step in integrating heterogeneous databases is matching equivalent attributes: Determining which fields in two databasesrefer to the samedata. The meaning of informa...
Wen-Syan Li, Chris Clifton