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158
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ICDT
2005
ACM
16 years 10 days ago
2005
ACM
In recent years wavelets were shown to be effective data synopses. We are concerned with the problem of finding efficiently wavelet synopses for massive data sets, in situations...
179
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SSD
2005
Springer
16 years 9 days ago
2005
Springer
We study the problem of answering spatial queries in databases where objects exist with some uncertainty and they are associated with an existential probability. The goal of a thre...
177
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VLDB
2005
ACM
16 years 9 days ago
2005
ACM
We present a system for efficient meta-data indexed querying of XML documents. Given the diversity of the information available in XML, it is very useful to annotate XML data wit...
176
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VLDB
2005
ACM
16 years 9 days ago
2005
ACM
When a private relational table is published using views, secrecy or privacy may be violated. This paper uses a formally-defined notion of k-anonymity to measure disclosure by vi...
151
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ADC
2004
Springer
16 years 7 days ago
2004
Springer
In information retrieval, queries can fail to find documents due to mismatch in terminology. Query expansion is a well-known technique addressing this problem, where additional q...