1768 search results - page 233 / 354 » Mining Very Large Databases |
125
Voted
ICDAR
2007
IEEE
15 years 10 months ago
2007
IEEE
This paper presents a new use of the Curvelet transform as a multiscale method for indexing linear singularities and curved handwritten shapes in documents images. As it belongs t...
222
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ICDE
2004
IEEE
16 years 5 months ago
2004
IEEE
Temporal aggregate queries retrieve summarized information about records with time-evolving attributes. Existing approaches have at least one of the following shortcomings: (i) th...
200
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ICDT
2009
ACM
16 years 4 months ago
2009
ACM
We study the problem of querying data sources that accept only a limited set of queries, such as sources accessible by Web services which can implement very large (potentially inf...
110
Voted
SIGMOD
2001
ACM
16 years 3 months ago
2001
ACM
An -appro ximate quantile summary of a sequence of N elements is a data structure that can answer quantile queries about the sequence to within a precision of N. We presen t a new...
126
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PODS
2006
ACM
16 years 3 months ago
2006
ACM
Privacy-preserving query-answering systems answer queries while provably guaranteeing that sensitive information is kept secret. One very attractive notion of privacy is perfect p...