525 search results - page 58 / 105 » On Query Algebras for Probabilistic Databases |
127
Voted
SIGMOD
2004
ACM
16 years 3 months ago
2004
ACM
A rich set of concepts and techniques has been developed in the context of query processing for the efficient and robust execution of queries. So far, this work has mostly focused...
233
Voted
ICDE
2008
IEEE
16 years 5 months ago
2008
IEEE
In this paper, we are concerned with the distributed monitoring of P2P systems. We introduce the P2P Monitor system and a new declarative language, namely P2PML, for specifying mo...
221
Voted
SIGMOD
2009
ACM
16 years 3 months ago
2009
ACM
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
131
Voted
SIGMOD
2004
ACM
16 years 3 months ago
2004
ACM
XML is widely praised for its flexibility in allowing repeated and missing sub-elements. However, this flexibility makes it challenging to develop a bulk algebra, which typically ...
142
Voted
EDBT
2009
ACM
15 years 6 months ago
2009
ACM
In emerging applications such as location-based services, sensor monitoring and biological management systems, the values of the database items are naturally imprecise. For these ...