VLDB
2007
ACM
14 years 7 months ago
2007
ACM
Estimating the cardinality (i.e. number of distinct elements) of an arbitrary set expression defined over multiple distributed streams is one of the most fundamental queries of in...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
The growing nature of databases, and the flexibility inherent in the SQL query language that allows arbitrarily complex formulations, can result in queries that take inordinate am...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
Evaluation of twig queries over probabilistic XML is investigated. Projection is allowed and, in particular, a query may be Boolean. It is shown that for a well-known model of pro...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
Market analysis is a representative data analysis process with many applications. In such an analysis, critical numerical measures, such as profit and sales, fluctuate over time a...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
RadixZip is a block compression technique for token streams. It introduces RadixZip Transform, a linear time algorithm that rearranges bytes using a technique inspired by radix so...
VLDB
2006
ACM
14 years 7 months ago
2006
ACM
VLDB
2006
ACM
14 years 7 months ago
2006
ACM
Abstract We explore the problem of portable and flexible privacy preserving access rights that permit access to a large collection of digital goods. Privacy-preserving access contr...
VLDB
2006
ACM
14 years 7 months ago
2006
ACM
Abstract The protection of customer privacy is a fundamental issue in today's corporate marketing strategies. Not surprisingly, many research efforts have proposed new privacy...