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» Estimating the Quality of Databases
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RTSS
2005
IEEE
14 years 1 months ago
Generalized Performance Management of Multi-Class Real-Time Imprecise Data Services
The intricacy of real-time data service management increases mainly due to the emergence of applications operating in open and unpredictable environments, increases in software co...
Mehdi Amirijoo, Nicolas Chaufette, Jörgen Han...
KDD
2012
ACM
235views Data Mining» more  KDD 2012»
11 years 10 months ago
A near-linear time approximation algorithm for angle-based outlier detection in high-dimensional data
Outlier mining in d-dimensional point sets is a fundamental and well studied data mining task due to its variety of applications. Most such applications arise in high-dimensional ...
Ninh Pham, Rasmus Pagh
CAS
2005
64views more  CAS 2005»
13 years 7 months ago
Estimating Null Values In Relational Database Systems Based On Genetic Algorithms
In this paper, we present a new method to estimate null values in relational database systems based on genetic algorithms. It can tune the membership functions of the linguistic v...
Shyi-Ming Chen, Shih-Wei Lee
MP
2006
103views more  MP 2006»
13 years 7 months ago
Assessing solution quality in stochastic programs
Determining if a solution is optimal or near optimal is fundamental in optimization theory, algorithms, and computation. For instance, Karush-Kuhn-Tucker conditions provide necessa...
Güzin Bayraksan, David P. Morton
SIGMOD
2010
ACM
154views Database» more  SIGMOD 2010»
13 years 7 months ago
Unbiased estimation of size and other aggregates over hidden web databases
Many websites provide restrictive form-like interfaces which allow users to execute search queries on the underlying hidden databases. In this paper, we consider the problem of es...
Arjun Dasgupta, Xin Jin, Bradley Jewell, Nan Zhang...