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» Approximate Judgement Aggregation
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IS
2008
14 years 9 months ago
The complexity and approximation of fixing numerical attributes in databases under integrity constraints
Consistent query answering is the problem of characterizing and computing the semantically correct answers to queries from a database that may not satisfy certain integrity constr...
Leopoldo E. Bertossi, Loreto Bravo, Enrico Francon...
SIGMOD
2007
ACM
169views Database» more  SIGMOD 2007»
15 years 10 months ago
Scalable approximate query processing with the DBO engine
This paper describes query processing in the DBO database system. Like other database systems designed for ad-hoc, analytic processing, DBO is able to compute the exact answer to ...
Christopher M. Jermaine, Subramanian Arumugam, Abh...
EUSFLAT
2003
119views Fuzzy Logic» more  EUSFLAT 2003»
14 years 11 months ago
Comparison of two approaches to approximated reasoning
A comparison is made of two approaches to approximate reasoning: Mamdani's interpolation method and the implication method. Both approaches are variants of Zadeh's compo...
Pim van den Broek
VLDB
2009
ACM
143views Database» more  VLDB 2009»
15 years 10 months ago
Sampling-based estimators for subset-based queries
We consider the problem of using sampling to estimate the result of an aggregation operation over a subset-based SQL query, where a subquery is correlated to an outer query by a NO...
Shantanu Joshi, Christopher M. Jermaine
INFOCOM
2005
IEEE
15 years 3 months ago
Connection admission control for flow level QoS in bufferless models
Abstract— Admission control algorithms used in access networks for multiplexed voice sources are typically based on aggregated system characteristics, such as aggregate loss prob...
Sándor Rácz, Tamás Jakabfy, J...