89 search results - page 2 / 18 » Approximate lineage for probabilistic databases |
EDBT
2006
ACM
14 years 5 months ago
2006
ACM
Abstract. We present in this paper a new model for representing probabilistic information in a semi-structured (XML) database, based on the use of probabilistic event variables. Th...
SIGMOD
2007
ACM
14 years 5 months ago
2007
ACM
The provenance of data has recently been recognized as central to the trust one places in data. It is also important to annotation, to data integration and to probabilistic databa...
SIGMOD
2011
ACM
12 years 7 months ago
2011
ACM
Probabilistic database systems have successfully established themselves as a tool for managing uncertain data. However, much of the research in this area has focused on efficient...
SIGMOD
2011
ACM
12 years 7 months ago
2011
ACM
We demonstrate a system for querying probabilistic XML documents with simple XPath queries. A user chooses between a variety of query answering techniques, both exact and approxim...
PODS
2008
ACM
14 years 5 months ago
2008
ACM
We study complexity and approximation of queries in an expressive query language for probabilistic databases. The language studied supports the compositional use of confidence com...