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SIGMOD
2003
ACM
154views Database» more  SIGMOD 2003»
16 years 5 months ago
The Cougar Project: a work-in-progress report
We present an update on the status of the Cougar Sensor Database Project, in which we are investigating a database approach to sensor networks: Clients "program" the sen...
Alan J. Demers, Johannes Gehrke, Rajmohan Rajarama...
PODS
2005
ACM
115views Database» more  PODS 2005»
16 years 5 months ago
Histograms revisited: when are histograms the best approximation method for aggregates over joins?
The traditional statistical assumption for interpreting histograms and justifying approximate query processing methods based on them is that all elements in a bucket have the same...
Alin Dobra
PODS
2005
ACM
147views Database» more  PODS 2005»
16 years 5 months ago
Peer data exchange
Abstract. We present a semantics and answer set programs for relational peer data exchange systems. When a peer answers a query, it exchanges data with other peers in order to supp...
Ariel Fuxman, Phokion G. Kolaitis, Renée J....
142
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PODS
2007
ACM
139views Database» more  PODS 2007»
16 years 5 months ago
Management of probabilistic data: foundations and challenges
Many applications today need to manage large data sets with uncertainties. In this paper we describe the foundations of managing data where the uncertainties are quantified as pro...
Nilesh N. Dalvi, Dan Suciu
ALT
2007
Springer
16 years 1 months ago
One-Shot Learners Using Negative Counterexamples and Nearest Positive Examples
As some cognitive research suggests, in the process of learning languages, in addition to overt explicit negative evidence, a child often receives covert explicit evidence in form...
Sanjay Jain, Efim B. Kinber