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SIGMOD
2006
ACM
238views Database» more  SIGMOD 2006»
16 years 7 months ago
Continuous monitoring of top-k queries over sliding windows
Given a dataset P and a preference function f, a top-k query retrieves the k tuples in P with the highest scores according to f. Even though the problem is well-studied in convent...
Kyriakos Mouratidis, Spiridon Bakiras, Dimitris Pa...
PODS
2005
ACM
211views Database» more  PODS 2005»
16 years 7 months ago
Join-distinct aggregate estimation over update streams
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. Pro...
Sumit Ganguly, Minos N. Garofalakis, Amit Kumar, R...
EDBT
2006
ACM
174views Database» more  EDBT 2006»
16 years 7 months ago
Fast Computation of Reachability Labeling for Large Graphs
The need of processing graph reachability queries stems from many applications that manage complex data as graphs. The applications include transportation network, Internet traffic...
Jiefeng Cheng, Jeffrey Xu Yu, Xuemin Lin, Haixun W...
SDM
2009
SIAM
180views Data Mining» more  SDM 2009»
16 years 4 months ago
Hierarchical Linear Discriminant Analysis for Beamforming.
This paper demonstrates the applicability of the recently proposed supervised dimension reduction, hierarchical linear discriminant analysis (h-LDA) to a well-known spatial locali...
Barry L. Drake, Haesun Park, Jaegul Choo
CSCW
2010
ACM
16 years 3 months ago
Pitfalls of information access with visualizations in remote collaborative analysis
In a world of widespread information access, information can overwhelm collaborators, even with visualizations to help. We extend prior work to study the effect of shared informat...
Aruna D. Balakrishnan, Susan R. Fussell, Sara B. K...