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IDEAS
1999
IEEE
123views Database» more  IDEAS 1999»
15 years 11 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
SSDBM
1999
IEEE
135views Database» more  SSDBM 1999»
15 years 11 months ago
Query Processing in the TAMBIS Bioinformatics Source Integration System
Conducting bioinformatic analyses involves biologists in expressing requests over a range of highly heterogeneous information sources and software tools. Such activities are labor...
Norman W. Paton, Robert Stevens, Patricia G. Baker...
DEXAW
1998
IEEE
131views Database» more  DEXAW 1998»
15 years 11 months ago
A Reference Model and Software Support for Bid Preparation in Supply Chains in the Construction Industry
This paper describes two results of the European ESPRIT project no. 22828 ,,CSCCM", which aims at optimising the bidding process of small and medium companies in the construc...
Mathias Krömker, Frithjof Weber, Viktoria Ste...
PODS
1998
ACM
152views Database» more  PODS 1998»
15 years 11 months ago
A Cost Model for Similarity Queries in Metric Spaces
We consider the problem of estimating CPU (distance computations) and I/O costs for processing range and k-nearest neighbors queries over metric spaces. Unlike the specific case ...
Paolo Ciaccia, Marco Patella, Pavel Zezula
EDBT
1998
ACM
131views Database» more  EDBT 1998»
15 years 11 months ago
Processing Complex Similarity Queries with Distance-Based Access Methods
Efficient evaluation of similarity queries is one of the basic requirements for advanced multimedia applications. In this paper, we consider the relevant case where complex similar...
Paolo Ciaccia, Marco Patella, Pavel Zezula