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» Ad-hoc Top-k Query Answering for Data Streams
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VLDB
2007
ACM
124views Database» more  VLDB 2007»
15 years 3 months ago
Ad-hoc Top-k Query Answering for Data Streams
A top-k query retrieves the k highest scoring tuples from a data set with respect to a scoring function defined on the attributes of a tuple. The efficient evaluation of top-k q...
Gautam Das, Dimitrios Gunopulos, Nick Koudas, Niko...
92
Voted
ICDE
2010
IEEE
258views Database» more  ICDE 2010»
15 years 4 months ago
Anonymized Data: Generation, models, usage
Data anonymization techniques have been the subject of intense investigation in recent years, for many kinds of structured data, including tabular, item set and graph data. They e...
Graham Cormode, Divesh Srivastava
SIGMOD
1997
ACM
107views Database» more  SIGMOD 1997»
15 years 1 months ago
Range Queries in OLAP Data Cubes
A range query applies an aggregation operation over all selected cells of an OLAP data cube where the selection is speci ed by providing ranges of values for numeric dimensions. W...
Ching-Tien Ho, Rakesh Agrawal, Nimrod Megiddo, Ram...
177
Voted
SIGMOD
2006
ACM
123views Database» more  SIGMOD 2006»
15 years 9 months ago
Exploiting predicate-window semantics over data streams
The continuous sliding-window query model is used widely in data stream management systems where the focus of a continuous query is limited to a set of the most recent tuples. In ...
Thanaa M. Ghanem, Walid G. Aref, Ahmed K. Elmagarm...
88
Voted
KDD
2007
ACM
186views Data Mining» more  KDD 2007»
15 years 10 months ago
An Ad Omnia Approach to Defining and Achieving Private Data Analysis
We briefly survey several privacy compromises in published datasets, some historical and some on paper. An inspection of these suggests that the problem lies with the nature of the...
Cynthia Dwork