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SIGMOD
1996
ACM
133views Database» more  SIGMOD 1996»
13 years 7 months ago
Multi-dimensional Resource Scheduling for Parallel Queries
Scheduling query execution plans is an important component of query optimization in parallel database systems. The problem is particularly complex in a shared-nothing execution en...
Minos N. Garofalakis, Yannis E. Ioannidis
SIGMOD
1996
ACM
97views Database» more  SIGMOD 1996»
13 years 7 months ago
Bifocal Sampling for Skew-Resistant Join Size Estimation
This paper introduces bifocal sampling, a new technique for estimating the size of an equi-join of two relations. Bifocal sampling classi es tuples in each relation into two group...
Sumit Ganguly, Phillip B. Gibbons, Yossi Matias, A...
SIGMOD
1996
ACM
112views Database» more  SIGMOD 1996»
13 years 7 months ago
Performance Tradeoffs for Client-Server Query Processing
The constructionof high-performance databasesystems that combine the best aspects of the relational and object-oriented approaches requires the design of client-server architectur...
Michael J. Franklin, Björn Þór J...
SIGMOD
1996
ACM
154views Database» more  SIGMOD 1996»
13 years 7 months ago
METU Interoperable Database System
METU INteroperable Database System (MIND) is a multidatabase system that aims at achieving interoperability among heterogeneous, federated DBMSs. MIND architecture is based on OMG...
Asuman Dogac, Ugur Halici, Ebru Kilic, Gökhan...
SIGMOD
1996
ACM
143views Database» more  SIGMOD 1996»
13 years 7 months ago
Algorithms for Deferred View Maintenance
Materialized views and view maintenance are important for data warehouses, retailing, banking, and billing applications. We consider two related view maintenance problems: 1) how ...
Latha S. Colby, Timothy Griffin, Leonid Libkin, In...
SIGMOD
1996
ACM
84views Database» more  SIGMOD 1996»
13 years 7 months ago
Change Detection in Hierarchically Structured Information
Detecting and representing changes to data is important for active databases, data warehousing, view maintenance, and version and configuration management. Most previous work in c...
Sudarshan S. Chawathe, Anand Rajaraman, Hector Gar...
SIGMOD
1996
ACM
116views Database» more  SIGMOD 1996»
13 years 7 months ago
Optimizing Queries over Multimedia Repositories
Repositories of multimedia objects having multiple types of attributes e.g., image, text are becoming increasingly common. A selection on these attributes will typically produce n...
Surajit Chaudhuri, Luis Gravano