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IDEAS
1999
IEEE
123views Database» more  IDEAS 1999»
15 years 10 months ago
Improving OLAP Performance by Multidimensional Hierarchical Clustering
Data-warehousing applications cope with enormous data sets in the range of Gigabytes and Terabytes. Queries usually either select a very small set of this data or perform aggregat...
Volker Markl, Frank Ramsak, Rudolf Bayer
TPHOL
1999
IEEE
15 years 10 months ago
Disjoint Sums over Type Classes in HOL
The standard versions of HOL only support disjoint sums over finite families of types. This paper introduces disjoint sums over type classes containing possibly a countably infinit...
Norbert Völker
SAS
1999
Springer
116views Formal Methods» more  SAS 1999»
15 years 10 months ago
Decomposing Non-redundant Sharing by Complementation
Complementation, the inverse of the reduced product operation, is a technique for systemfinding minimal decompositions of abstract domains. Fil´e and Ranzato advanced the state ...
Enea Zaffanella, Patricia M. Hill, Roberto Bagnara
DASFAA
1997
IEEE
112views Database» more  DASFAA 1997»
15 years 10 months ago
Client-Server Optimization for Multimedia Document Exchange
The success of the World Wide Web is boosting the development of multimedia database systems and their integration into the internet. For the documents stored and exchanged in the...
Gerhard Köstler, Wolfgang L. J. Kowarschick, ...
ICDCS
1996
IEEE
15 years 10 months ago
Scaling Heterogeneous Databases and the Design of Disco
Access to large numbers of data sources introduces new problems for users of heterogeneous distributed databases. End users and application programmers must deal with unavailable ...
Anthony Tomasic, Louiqa Raschid, Patrick Valduriez