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SIGMOD
2000
ACM
141views Database» more  SIGMOD 2000»
14 years 2 days ago
Counting, Enumerating, and Sampling of Execution Plans in a Cost-Based Query Optimizer
Testing an SQL database system by running large sets of deterministic or stochastic SQL statements is common practice in commercial database development. However, code defects oft...
Florian Waas, César A. Galindo-Legaria
ERCIMDL
1998
Springer
133views Education» more  ERCIMDL 1998»
13 years 12 months ago
MarketNet: Using Virtual Currency to Protect Information Systems
This paper describes novel market-based technologies for systematic, quantifiable and predictable protection of information systems against attacks. These technologies, incorporate...
Yechiam Yemini, Apostolos Dailianas, Danilo Floris...
DAC
1996
ACM
13 years 12 months ago
A Sparse Image Method for BEM Capacitance Extraction
Boundary element methods (BEM) are often used for complex 3-D capacitance extraction because of their efficiency, ease of data preparation, and automatic handling of open regions. ...
Byron Krauter, Yu Xia, E. Aykut Dengi, Lawrence T....
ICALP
1995
Springer
13 years 11 months ago
Weakly Useful Sequences
An infinite binary sequence x is defined to be (i) strongly useful if there is a computable time bound within which every decidable sequence is Turing reducible to x; and (ii) w...
Stephen A. Fenner, Jack H. Lutz, Elvira Mayordomo
DCC
2008
IEEE
13 years 9 months ago
Rate Bounds on SSIM Index of Quantized Image DCT Coefficients
In this paper, we derive bounds on the Structural SIMilarity (SSIM) Index as a function of quantization rate for fixed-rate uniform quantization of image discrete cosine transform...
Sumohana S. Channappayya, Alan C. Bovik, Robert W....