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DOLAP
2000
ACM
15 years 2 months ago
CUBIST: A New Algorithm For Improving the Performance of Ad-hoc OLAP Queries
Being able to efficiently answer arbitrary OLAP queries that aggregate along any combination of dimensions over numerical and categorical attributes has been a continued, major co...
Lixin Fu, Joachim Hammer
ADBIS
2000
Springer
188views Database» more  ADBIS 2000»
15 years 2 months ago
Algorithms for Rewriting Aggregate Queries Using Views
Queries involving aggregation are typical in a number of database research areas, such as data warehousing, global information systems and mobile computing. One of the main ideas ...
Sara Cohen, Werner Nutt, Alexander Serebrenik
GW
1999
Springer
157views Biometrics» more  GW 1999»
15 years 1 months ago
The Ecological Approach to Multimodal System Design
Following the ecological approach to visual perception, this paper presents a framework that emphasizes the role of vision on referring actions. In particular, affordances are util...
Antonella De Angeli, Frederic Wolff, Laurent Romar...
PKC
1999
Springer
115views Cryptology» more  PKC 1999»
15 years 1 months ago
Decision Oracles are Equivalent to Matching Oracles
One of the key directions in complexity theory which has also filtered through to cryptographic research, is the effort to classify related but seemingly distinct notions. Separa...
Helena Handschuh, Yiannis Tsiounis, Moti Yung
VISUALIZATION
1998
IEEE
15 years 1 months ago
Building perceptual textures to visualize multidimensional datasets
This paper presents a new method for using texture to visualize multidimensional data elements arranged on an underlying threedimensional height field. We hope to use simple textu...
Christopher G. Healey, James T. Enns