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» Databases with uncertainty and lineage
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DEXAW
2003
IEEE
97views Database» more  DEXAW 2003»
14 years 4 months ago
Concurrent bi-lateral negotiation in agent systems
Bi-lateral negotiations represent an important class of encounter in agent-based systems. To this end, this paper develops and evaluates a heuristic model that enables an agent to...
Thuc Duong Nguyen, Nicholas R. Jennings
KDD
1998
ACM
145views Data Mining» more  KDD 1998»
14 years 3 months ago
Aggregation of Imprecise and Uncertain Information for Knowledge Discovery in Databases
We consider the problem of aggregation for uncertain and imprecise data. For such data, we define aggregation operators and use them to provide information on properties and patte...
Sally I. McClean, Bryan W. Scotney, Mary Shapcott
PVLDB
2008
122views more  PVLDB 2008»
13 years 10 months ago
Exploiting shared correlations in probabilistic databases
There has been a recent surge in work in probabilistic databases, propelled in large part by the huge increase in noisy data sources -from sensor data, experimental data, data fro...
Prithviraj Sen, Amol Deshpande, Lise Getoor
SSDBM
2010
IEEE
308views Database» more  SSDBM 2010»
14 years 4 months ago
Provenance Context Entity (PaCE): Scalable Provenance Tracking for Scientific RDF Data
The Resource Description Framework (RDF) format is being used by a large number of scientific applications to store and disseminate their datasets. The provenance information, desc...
Satya Sanket Sahoo, Olivier Bodenreider, Pascal Hi...
IDEAS
2003
IEEE
86views Database» more  IDEAS 2003»
14 years 4 months ago
A Medium Complexity Discrete Model for Uncertain Spatial Data
This paper presents a method for representing uncertainty in spatial data in a database. The model presented requires moderate amounts of storage space. To compute the probability...
Erlend Tøssebro, Mads Nygård