276 search results - page 23 / 56 » Databases with uncertainty and lineage |
ICDT
2007
ACM
14 years 5 months ago
2007
ACM
We consider random graphs, and their extensions to random structures, with edge probabilities of the form βn−α , where n is the number of vertices, α, β are fixed and α >...
VLDB
2005
ACM
14 years 4 months ago
2005
ACM
We extend the OLAP data model to represent data ambiguity, specifically imprecision and uncertainty, and introduce an allocation-based approach to the semantics of aggregation qu...
ISCI
2007
13 years 10 months ago
2007
Fuzzy semantic model (FSM) is a data model that uses basic concepts of semantic modeling and supports handling fuzziness, uncertainty and imprecision of real-world at the attribut...
ICDE
2010
IEEE
13 years 11 months ago
2010
IEEE
— Emerging uncertain database applications often involve the cleansing (conditioning) of uncertain databases using additional information as new evidence for reducing the uncerta...
VLDB
2007
ACM
14 years 11 months ago
2007
ACM
In this paper we study the trade-offs between time series compressibility and partial information hiding and their fundamental implications on how we should introduce uncertainty ...