889 search results - page 136 / 178 » A Method for Secure Query Processing in Mobile Databases |
113
Voted
PODS
2002
ACM
16 years 2 months ago
2002
ACM
We study two classes of view update problems in relational databases. We are given a source database S, a monotone query Q, and the view Q(S) generated by the query. The first pro...
106
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SIGMOD
2003
ACM
16 years 2 months ago
2003
ACM
While work in recent years has demonstrated that wavelets can be efficiently used to compress large quantities of data and provide fast and fairly accurate answers to queries, lit...
125
Voted
ICDE
2006
IEEE
15 years 8 months ago
2006
IEEE
XML structural joins, which evaluate the containment (ancestor-descendant) relationships between XML elements, are important operations of XML query processing. Estimating structu...
141
Voted
PVLDB
2010
15 years 1 months ago
2010
Users who are unfamiliar with database query languages can search XML data sets using keyword queries. Previous work has shown that current XML keyword search methods, although in...
210
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SIGMOD
2008
ACM
16 years 2 months ago
2008
ACM
Sampling is a popular method of data collection when it is impossible or too costly to reach the entire population. For example, television show ratings in the United States are g...