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153
Voted
SIGMOD
2002
ACM
16 years 5 months ago
2002
ACM
Recent work has demonstrated the effectiveness of the wavelet decomposition in reducing large amounts of data to compact sets of wavelet coefficients (termed "wavelet synopse...
151
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EDBT
2008
ACM
16 years 5 months ago
2008
ACM
In situations where class labels are known for a part of the objects, a cluster analysis respecting this information, i.e. semi-supervised clustering, can give insight into the cl...
122
Voted
EDBT
2008
ACM
16 years 5 months ago
2008
ACM
Micro-data protection is a hot topic in the field of Statistical Disclosure Control (SDC), that has gained special interest after the disclosure of 658000 queries by the AOL searc...
154
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ICDE
2010
IEEE
16 years 4 months ago
2010
IEEE
Estimation via sampling out of highly selective join queries is well known to be problematic, most notably in online aggregation. Without goal-directed sampling strategies, samples...
161
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ICDE
2010
IEEE
16 years 4 months ago
2010
IEEE
Many online or local data sources provide powerful querying mechanisms but limited ranking capabilities. For instance, PubMed allows users to submit highly expressive Boolean keywo...