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» On unbounded operators and applications
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SIGMOD
2005
ACM
220views Database» more  SIGMOD 2005»
16 years 6 months ago
Sampling Algorithms in a Stream Operator
Complex queries over high speed data streams often need to rely on approximations to keep up with their input. The research community has developed a rich literature on approximat...
Theodore Johnson, S. Muthukrishnan, Irina Rozenbau...
USENIX
1996
15 years 7 months ago
A Performance Comparison of UNIX Operating Systems on the Pentium
This paper evaluates the performance of three popular versions of the UNIX operating system on the x86 architecture: Linux, FreeBSD, and Solaris. We evaluate the systems using fre...
Kevin Lai, Mary Baker
EUSFLAT
2007
122views Fuzzy Logic» more  EUSFLAT 2007»
15 years 7 months ago
Fitting ST-OWA Operators to Empirical Data
The OWA operators gained interest among researchers as they provide a continuum of aggregation operators able to cover the whole range of compensation between the minimum and the ...
Gleb Beliakov, Luigi Troiano
NA
2007
105views more  NA 2007»
15 years 5 months ago
Orthogonal projection regularization operators
Abstract. Tikhonov regularization often is applied with a finite difference regularization operator that approximates a low-order derivative. This paper proposes the use of ortho...
Serena Morigi, Lothar Reichel, Fiorella Sgallari
AC
2000
Springer
15 years 10 months ago
Operational Semantics and Program Equivalence
This tutorial paper discusses a particular style of operational semantics that enables one to give a ‘syntax-directed’ inductive definition of termination which is very useful...
Andrew M. Pitts