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SIGMOD
2005
ACM
162views Database» more  SIGMOD 2005»
16 years 7 months ago
Fast and Approximate Stream Mining of Quantiles and Frequencies Using Graphics Processors
We present algorithms for fast quantile and frequency estimation in large data streams using graphics processor units (GPUs). We exploit the high computational power and memory ba...
Naga K. Govindaraju, Nikunj Raghuvanshi, Dinesh Ma...
SIGMOD
2001
ACM
145views Database» more  SIGMOD 2001»
16 years 7 months ago
Automatic Segmentation of Text into Structured Records
In this paper we present a method for automatically segmenting unformatted text records into structured elements. Several useful data sources today are human-generated as continuo...
Vinayak R. Borkar, Kaustubh Deshmukh, Sunita Saraw...
EDBT
2002
ACM
136views Database» more  EDBT 2002»
16 years 7 months ago
Rewriting Unions of General Conjunctive Queries Using Views
The problem of finding contained rewritings of queries using views is of great importance in mediated data integration systems. In this paper, we first present a general approach f...
Junhu Wang, Michael J. Maher, Rodney W. Topor
EDBT
2004
ACM
230views Database» more  EDBT 2004»
16 years 7 months ago
Flexible Integration of Molecular-Biological Annotation Data: The GenMapper Approach
Molecular-biological annotation data is continuously being collected, curated and made accessible in numerous public data sources. Integration of this data is a major challenge in ...
Hong Hai Do, Erhard Rahm
EDBT
2008
ACM
137views Database» more  EDBT 2008»
16 years 7 months ago
Optimizing away joins on data streams
Abstract. Monitoring aggregates on IP traffic data streams is a compelling application for data stream management systems. Often, such streaming aggregation queries involve joining...
Lukasz Golab, Theodore Johnson, Nick Koudas, Dives...
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