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CIKM
2001
Springer
15 years 11 months ago
Index Filtering and View Materialization in ROLAP Environment
Using materialized view to accelerate OLAP queries is one of the most common methods used in ROLAP systems. However, high storage and computation cost make this method very diffic...
Shi Guang Qiu, Tok Wang Ling
CIKM
2001
Springer
15 years 11 months ago
Query-Sensitive Similarity Measures for the Calculation of Interdocument Relationships
The application of document clustering to information retrieval has been motivated by the potential effectiveness gains postulated by the Cluster Hypothesis. The hypothesis states ...
Anastasios Tombros, C. J. van Rijsbergen
CIKM
2001
Springer
15 years 11 months ago
Model-based Feedback in the Language Modeling Approach to Information Retrieval
The language modeling approach to retrieval has been shown to perform well empirically. One advantage of this new approach is its statistical foundations. However, feedback, as on...
ChengXiang Zhai, John D. Lafferty
DAWAK
2001
Springer
15 years 11 months ago
Determining the Convex Hull in Large Multidimensional Databases
Determiningthe convex hull ofa point set isa basic operation for many applications of pattern recognition, image processing, statistics, and data mining. Although the corresponding...
Christian Böhm, Hans-Peter Kriegel
ER
2001
Springer
60views Database» more  ER 2001»
15 years 11 months ago
Tripod: A Comprehensive Model for Spatial and Aspatial Historical Objects
Abstract Spatio-temporal extensions to data models have been an active area of research for a number of years. To date, much of this work has focused on the relational data model, ...
Tony Griffiths, Alvaro A. A. Fernandes, Norman W. ...
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