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190
Voted
VLDB
2007
ACM
16 years 1 months ago
2007
ACM
Sensor nodes are small devices that "measure" their environment and communicate feeds of low-level data values to a base station for further processing and archiving. Dis...
COCOON
2007
Springer
15 years 7 months ago
2007
Springer
We investigate the connection between propositional proof systems and their canonical pairs. It is known that simulations between proof systems translate to reductions between the...
101
Voted
ESA
1999
Springer
15 years 5 months ago
1999
Springer
We propose a fast methodology for encoding graphs with information-theoretically minimum numbers of bits. Specifically, a graph with property π is called a π-graph. If π satis...
88
Voted
VLDB
1997
ACM
15 years 5 months ago
1997
ACM
Data is often stored in summarized form, as a histogram of aggregates (COUNTs, SUMs, or AVeraGes) over speci ed ranges. We study how to estimate the original detail data from the ...
ALT
2003
Springer
15 years 4 months ago
2003
Springer
Abstract. A crucial problem in machine learning is to choose an appropriate representation of data, in a way that emphasizes the relations we are interested in. In many cases this ...