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» Query Algebra Operations for Interval Probabilities
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DEXA
2003
Springer
109views Database» more  DEXA 2003»
13 years 10 months ago
Query Algebra Operations for Interval Probabilities
Wenzhong Zhao, Alex Dekhtyar, Judy Goldsmith
ICDT
2009
ACM
166views Database» more  ICDT 2009»
14 years 5 months ago
A compositional framework for complex queries over uncertain data
The ability to flexibly compose confidence computation with the operations of relational algebra is an important feature of probabilistic database query languages. Computing confi...
Christoph Koch, Michaela Götz
AMAI
2007
Springer
13 years 5 months ago
Database querying under changing preferences
We present here a formal foundation for an iterative and incremental approach to constructing and evaluating preference queries. Our main focus is query modification: a query tran...
Jan Chomicki
FOSSACS
2004
Springer
13 years 10 months ago
Duality for Labelled Markov Processes
Labelled Markov processes (LMPs) are automata whose transitions are given by probability distributions. In this paper we present a ‘universal’ LMP as the spectrum of a commutat...
Michael W. Mislove, Joël Ouaknine, Dusko Pavl...
VLDB
2005
ACM
110views Database» more  VLDB 2005»
13 years 10 months ago
U-DBMS: A Database System for Managing Constantly-Evolving Data
In many systems, sensors are used to acquire information from external environments such as temperature, pressure and locations. Due to continuous changes in these values, and lim...
Reynold Cheng, Sarvjeet Singh, Sunil Prabhakar