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INFORMATICALT
2008
162views more  INFORMATICALT 2008»
15 years 4 months ago
Vague Rough Set Techniques for Uncertainty Processing in Relational Database Model
Abstract. The study of databases began with the design of efficient storage and data sharing techniques for large amount of data. This paper concerns the processing of imprecision ...
Karan Singh, Samajh Singh Thakur, Mangi Lal
WSC
2008
15 years 6 months ago
Comparing two systems: Beyond common random numbers
Suppose one wishes to compare two closely related systems via stochastic simulation. Common random numbers (CRN) involves using the same streams of uniform random variates as inpu...
Samuel Ehrlichman, Shane G. Henderson
CORR
2006
Springer
125views Education» more  CORR 2006»
15 years 4 months ago
10^(10^6) Worlds and Beyond: Efficient Representation and Processing of Incomplete Information
We present a decomposition-based approach to managing probabilistic information. We introduce world-set decompositions (WSDs), a space-efficient and complete representation system ...
Lyublena Antova, Christoph Koch, Dan Olteanu
ICDE
2002
IEEE
232views Database» more  ICDE 2002»
16 years 5 months ago
DBXplorer: A System for Keyword-Based Search over Relational Databases
Internet search engines have popularized the keywordbased search paradigm. While traditional database management systems offer powerful query languages, they do not allow keyword-...
Sanjay Agrawal, Surajit Chaudhuri, Gautam Das
KDD
2008
ACM
147views Data Mining» more  KDD 2008»
16 years 4 months ago
Mobile call graphs: beyond power-law and lognormal distributions
We analyze a massive social network, gathered from the records of a large mobile phone operator, with more than a million users and tens of millions of calls. We examine the distr...
Mukund Seshadri, Sridhar Machiraju, Ashwin Sridhar...