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» Aggregation functions: Means
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ACMSE
2006
ACM
13 years 9 months ago
Composing aggregate web services in BPEL
Web services are increasingly being used to expose applications over the Internet. These Web services are being integrated within and across enterprises to create higher function ...
Onyeka Ezenwoye, Seyed Masoud Sadjadi
EPEW
2006
Springer
13 years 11 months ago
A Function-Equivalent Components Based Simplification Technique for PEPA Models
PEPA has recently been extended with functional rates [1][2]. These functions allow the specification of indirect interaction between components in such a way that the rate of an a...
Jane Hillston, Leïla Kloul
ISM
2008
IEEE
108views Multimedia» more  ISM 2008»
14 years 2 months ago
Optimization of Content-Based Image Retrieval Functions
Feature extraction and similarity measurement are two important operations in content-based image retrieval systems. We optimize and vectorize typical feature extraction algorithm...
Asadollah Shahbahrami, Ben H. H. Juurlink
EUROCOLT
1999
Springer
13 years 12 months ago
Averaging Expert Predictions
We consider algorithms for combining advice from a set of experts. In each trial, the algorithm receives the predictions of the experts and produces its own prediction. A loss func...
Jyrki Kivinen, Manfred K. Warmuth
SIGMOD
2007
ACM
145views Database» more  SIGMOD 2007»
14 years 7 months ago
Why off-the-shelf RDBMSs are better at XPath than you might expect
To compensate for the inherent impedance mismatch between the relational data model (tables of tuples) and XML (ordered, unranked trees), tree join algorithms have become the prev...
Torsten Grust, Jan Rittinger, Jens Teubner