525 search results - page 2 / 105 » On Query Algebras for Probabilistic Databases |
ICDE
2003
IEEE
14 years 6 months ago
2003
IEEE
Despite the recent proliferation of work on semistructured data models, there has been little work to date on supporting uncertainty in these models. In this paper, we propose a m...
PODS
2007
ACM
14 years 5 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...
ICDT
2009
ACM
14 years 6 months ago
2009
ACM
The ability to flexibly compose confidence computation with the operations of relational algebra is an important feature of probabilistic database query languages. Computing confi...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
Incorporating probabilities into the semantics of incomplete databases has posed many challenges, forcing systems to sacrifice modeling power, scalability, or treatment of relatio...
PODS
2009
ACM
14 years 6 months ago
2009
ACM