9 search results - page 1 / 2 » Provenance semirings |
PODS
2007
ACM
14 years 4 months ago
2007
ACM
We show that relational algebra calculations for incomplete databases, probabilistic databases, bag semantics and whyprovenance are particular cases of the same general algorithms...
CORR
2011
Springer
12 years 8 months ago
2011
Springer
The annotation of the results of database transformations was shown to be very effective for various applications. Until recently, most works in this context focused on positive q...
PODS
2008
ACM
14 years 4 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
ENTCS
2006
13 years 4 months ago
2006
We present a semantics-based technique for modeling and analysing resource usage behaviour of programs written in a simple object oriented language like Java e code. The approach ...
JAPLL
2010
13 years 3 months ago
2010
The relational model has recently been extended to so-called K-relations in which tuples are assigned a unique value in a semiring K. A query language, denoted by RAC K , similar ...