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» On the initialization of the DNMF algorithm
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SIGMOD
1995
ACM
126views Database» more  SIGMOD 1995»
15 years 10 months ago
View Maintenance in a Warehousing Environment
A warehouse is a repository of integrated information drawn from remote data sources. Since a warehouse e ectively implements materialized views, we must maintain the views as the...
Yue Zhuge, Hector Garcia-Molina, Joachim Hammer, J...
FLAIRS
2010
15 years 9 months ago
Meta-Prediction for Collective Classification
When data instances are inter-related, as are nodes in a social network or hyperlink graph, algorithms for collective classification (CC) can significantly improve accuracy. Recen...
Luke McDowell, Kalyan Moy Gupta, David W. Aha
ECML
2005
Springer
15 years 8 months ago
Clustering and Metaclustering with Nonnegative Matrix Decompositions
Although very widely used in unsupervised data mining, most clustering methods are affected by the instability of the resulting clusters w.r.t. the initialization of the algorithm ...
Liviu Badea
FLAIRS
2004
15 years 8 months ago
Concurrent Backtrack Search on DisCSPs
A distributed search algorithm for solving distributed constraint satisfaction problems (DisCSPs) is presented. The proposed algorithm is composed of multiple search processes (SP...
Roie Zivan, Amnon Meisels
SODA
2004
ACM
116views Algorithms» more  SODA 2004»
15 years 8 months ago
Retroactive data structures
We introduce a new data structuring paradigm in which operations can be performed on a data structure not only in the present but also in the past. In this new paradigm, called ret...
Erik D. Demaine, John Iacono, Stefan Langerman