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COOPIS
1997
IEEE
15 years 8 months ago
Query Modification in Object-Oriented Database Federations
W e discuss the modification of queries against an integrated view in a federation of object-oriented databases. W epresent a generalisation of existing algorithms for simple glob...
Mark W. W. Vermeer, Peter M. G. Apers
COMPSAC
2004
IEEE
15 years 8 months ago
Mining Complex Relationships in the SDSS SkyServer Spatial Database
In this paper we describe the process of mining complex relationships in spatial databases using the Maximal Participation Index (maxPI), which has a property of discovering low s...
Bavani Arunasalam, Sanjay Chawla, Pei Sun, Robert ...
ENVSOFT
2006
118views more  ENVSOFT 2006»
15 years 4 months ago
Database architectures: Current trends and their relationships to environmental data management
Ever increasing environmental demands from customers, authorities and governmental organizations as well as new business control functions are integrated to environmental manageme...
Jaroslav Pokorný
ICDE
1998
IEEE
119views Database» more  ICDE 1998»
16 years 5 months ago
Processing Incremental Multidimensional Range Queries in a Direct Manipulation Visual Query
We have developed a MultiMedia Visual Information Seeking (MMVIS) Environment that is the first system to support an integrated approach to the direct manipulation specification o...
Stacie Hibino, Elke A. Rundensteiner
SIGMOD
2007
ACM
219views Database» more  SIGMOD 2007»
16 years 4 months ago
Efficient exploitation of similar subexpressions for query processing
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...
Jingren Zhou, Johann Christoph Freytag, Per-Å...