525 search results - page 50 / 105 » On Query Algebras for Probabilistic Databases |
138
Voted
SIGIR
2010
ACM
15 years 1 months ago
2010
ACM
Keyword queries over structured databases are notoriously ambiguous. No single interpretation of a keyword query can satisfy all users, and multiple interpretations may yield over...
287
Voted
SIGMOD
2011
ACM
14 years 6 months ago
2011
ACM
In the database community, work on information extraction (IE) has centered on two themes: how to effectively manage IE tasks, and how to manage the uncertainties that arise in th...
155
Voted
ICDT
2012
ACM
13 years 6 months ago
2012
ACM
We introduce a representation system for relational data based on algebraic factorisation using distributivity of product over union and commutativity of product and union. We giv...
207
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ICDE
1997
IEEE
16 years 5 months ago
1997
IEEE
We propose a data model and a few algebraic operations that provide semantic foundation to multidimensional databases. The distinguishing feature of the proposed model is the symm...
238
Voted
ICDE
2003
IEEE
16 years 5 months ago
2003
IEEE
In moving object environments, it is infeasible for the database tracking the movement of objects to store the exact locations of objects at all times. Typically, the location of a...