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SIGMOD
1999
ACM
132views Database» more  SIGMOD 1999»
15 years 10 months ago
Mind Your Vocabulary: Query Mapping Across Heterogeneous Information Sources
In this paper we present a mechanism for translating constraint queries, i.e., Boolean expressions of constraints, across heterogeneous information sources. Integrating such syste...
Kevin Chen-Chuan Chang, Hector Garcia-Molina
HOTOS
1999
IEEE
15 years 10 months ago
Conductor: A Framework for Distributed Adaptation
Abstract--End-to-end connectivity is growing increasingly diverse, with orders of magnitude differences in characteristics throughout the network. At the same time, most applicatio...
Mark Yarvis, Peter L. Reiher, Gerald J. Popek
UIST
1998
ACM
15 years 10 months ago
Constant Density Visualizations of Non-Uniform Distributions of Data
The cartographic Principle of Constant Information Density suggests that the amount of information in an interactive visualization should remain constant as the user pans and zoom...
Allison Woodruff, James A. Landay, Michael Stonebr...
GI
1998
Springer
15 years 10 months ago
An Efficient Strategy for Tiling Multidimensional OLAP Data Cubes
Computing aggregates over selected categories of multidimensional discrete data (MDD) cubes is the core operation of many on-line analytical processing (OLAP) systems. In order to...
Paolo Marques, Paula Furtado, Peter Baumann
TAGT
1998
Springer
243views Graph Theory» more  TAGT 1998»
15 years 10 months ago
Double-Pullback Graph Transitions: A Rule-Based Framework with Incomplete Information
Reactive systems perform their tasks through interaction with their users or with other systems (as parts of a bigger system). An essential requirement for modeling such systems is...
Hartmut Ehrig, Reiko Heckel, Mercè Llabr&ea...
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