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» On Query Algebras for Probabilistic Databases
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VLDB
2007
ACM
130views Database» more  VLDB 2007»
14 years 7 months ago
A Simple and Efficient Estimation Method for Stream Expression Cardinalities
Estimating the cardinality (i.e. number of distinct elements) of an arbitrary set expression defined over multiple distributed streams is one of the most fundamental queries of in...
Aiyou Chen, Jin Cao, Tian Bu
SSDBM
2007
IEEE
124views Database» more  SSDBM 2007»
14 years 1 months ago
Incorporating Uncertainty Metrics into a General-Purpose Data Integration System
There is a significant need for data integration capabilities in the scientific domain, which has manifested itself as products in the commercial world as well as academia. Howeve...
Brenton Louie, Landon Detwiler, Nilesh N. Dalvi, R...
ISB
2002
140views more  ISB 2002»
13 years 7 months ago
Computer system "Gene Discovery" for promoter structure analysis
Data Mining and Knowledge Discovery techniques proved to be efficient tools for variety of complex tasks in biology including DNA research. This paper presents implementation of th...
Eugenii E. Vityaev, Yuri L. Orlov, Oleg V. Vishnev...
PODS
2009
ACM
124views Database» more  PODS 2009»
14 years 8 months ago
Indexing uncertain data
Querying uncertain data has emerged as an important problem in data management due to the imprecise nature of many measurement data. In this paper we study answering range queries...
Pankaj K. Agarwal, Siu-Wing Cheng, Yufei Tao, Ke Y...
DLOG
2003
13 years 8 months ago
Description Logic Systems
The Semantic Web initiative defines important challenges for knowledge representation and database systems. Recently, several standards for representation languages have been pro...
Ralf Möller, Volker Haarslev