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» Handling Uncertain Data in Array Database Systems
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KDD
1998
ACM
145views Data Mining» more  KDD 1998»
13 years 9 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
SIGMOD
2008
ACM
169views Database» more  SIGMOD 2008»
14 years 5 months ago
MCDB: a monte carlo approach to managing uncertain data
To deal with data uncertainty, existing probabilistic database systems augment tuples with attribute-level or tuple-level probability values, which are loaded into the database al...
Ravi Jampani, Fei Xu, Mingxi Wu, Luis Leopoldo Per...
SIGMOD
2008
ACM
115views Database» more  SIGMOD 2008»
14 years 5 months ago
Query answering techniques on uncertain and probabilistic data: tutorial summary
Uncertain data are inherent in some important applications, such as environmental surveillance, market analysis, and quantitative economics research. Due to the importance of thos...
Jian Pei, Ming Hua, Yufei Tao, Xuemin Lin
ICDE
2007
IEEE
104views Database» more  ICDE 2007»
14 years 6 months ago
Indexing Uncertain Categorical Data
Uncertainty in categorical data is commonplace in many applications, including data cleaning, database integration, and biological annotation. In such domains, the correct value o...
Sarvjeet Singh, Chris Mayfield, Sunil Prabhakar, R...
ICDE
2008
IEEE
133views Database» more  ICDE 2008»
14 years 6 months ago
Database Support for Probabilistic Attributes and Tuples
Abstract-- The inherent uncertainty of data present in numerous applications such as sensor databases, text annotations, and information retrieval motivate the need to handle impre...
Sarvjeet Singh, Chris Mayfield, Rahul Shah, Sunil ...