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ICDT
2007
ACM
87views Database» more  ICDT 2007»
16 years 23 days ago
Query Evaluation on a Database Given by a Random Graph
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 >...
Nilesh N. Dalvi
VLDB
2005
ACM
140views Database» more  VLDB 2005»
16 years 2 days ago
OLAP Over Uncertain and Imprecise Data
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...
Douglas Burdick, Prasad Deshpande, T. S. Jayram, R...
ISCI
2007
90views more  ISCI 2007»
15 years 6 months ago
Database design and querying within the fuzzy semantic model
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...
Rafik Bouaziz, Salem Chakhar, Vincent Mousseau, Su...
ICDE
2010
IEEE
212views Database» more  ICDE 2010»
15 years 6 months ago
Cleansing uncertain databases leveraging aggregate constraints
— Emerging uncertain database applications often involve the cleansing (conditioning) of uncertain databases using additional information as new evidence for reducing the uncerta...
Haiquan Chen, Wei-Shinn Ku, Haixun Wang
VLDB
2007
ACM
108views Database» more  VLDB 2007»
16 years 6 months ago
Time Series Compressibility and Privacy
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 ...
Spiros Papadimitriou, Feifei Li, George Kollios, P...