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160
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PODS
2007
ACM
203views Database» more  PODS 2007»
16 years 3 months ago
Decision trees for entity identification: approximation algorithms and hardness results
We consider the problem of constructing decision trees for entity identification from a given relational table. The input is a table containing information about a set of entities...
Venkatesan T. Chakaravarthy, Vinayaka Pandit, Samb...
PODS
2008
ACM
170views Database» more  PODS 2008»
16 years 3 months ago
Answering aggregate queries in data exchange
Data exchange, also known as data translation, has been extensively investigated in recent years. One main direction of research has focused on the semantics and the complexity of...
Foto N. Afrati, Phokion G. Kolaitis
127
Voted
ICDE
2010
IEEE
248views Database» more  ICDE 2010»
16 years 3 months ago
FPGA Acceleration for the Frequent Item Problem
Abstract-- Field-programmable gate arrays (FPGAs) can provide performance advantages with a lower resource consumption (e.g., energy) than conventional CPUs. In this paper, we show...
Gustavo Alonso, Jens Teubner, René Mül...
ICDE
2010
IEEE
273views Database» more  ICDE 2010»
16 years 3 months ago
WikiAnalytics: Ad-hoc Querying of Highly Heterogeneous Structured Data
Searching and extracting meaningful information out of highly heterogeneous datasets is a hot topic that received a lot of attention. However, the existing solutions are based on e...
Andrey Balmin, Emiran Curtmola
EDBT
2010
ACM
208views Database» more  EDBT 2010»
15 years 10 months ago
Stream schema: providing and exploiting static metadata for data stream processing
Schemas, and more generally metadata specifying structural and semantic constraints, are invaluable in data management. They facilitate conceptual design and enable checking of da...
Peter M. Fischer, Kyumars Sheykh Esmaili, Ren&eacu...