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DOLAP
2009
ACM
14 years 2 months ago
A taxonomy of ETL activities
Extract-Transform-Load (ETL) activities are software modules responsible for populating a data warehouse with operational data, which have undergone a series of transformations on...
Panos Vassiliadis, Alkis Simitsis, Eftychia Baikou...
ICUIMC
2009
ACM
14 years 2 months ago
PicAChoo: a tool for customizable feature extraction utilizing characteristics of textual data
Although documents have hundreds of thousands of unique words, only a small number of words are significantly useful for intelligent services. For this reason, feature extraction ...
Jaeseok Myung, Jung-Yeon Yang, Sang-goo Lee
MM
2009
ACM
197views Multimedia» more  MM 2009»
14 years 2 months ago
Sirio: an ontology-based web search engine for videos
In this technical demonstration we show a web video search engine based on ontologies, the Sirio1 system, that has been developed within the EU VidiVideo project. The goal of the ...
Thomas M. Alisi, Marco Bertini, Gianpaolo D'Amico,...
LICS
2008
IEEE
14 years 2 months ago
Nonlocal Flow of Control and Kleene Algebra with Tests
Kleene algebra with tests (KAT) is an equational system for program verification that combines Kleene algebra (KA), or the algebra of regular expressions, with Boolean algebra. I...
Dexter Kozen
QEST
2008
IEEE
14 years 2 months ago
Hintikka Games for PCTL on Labeled Markov Chains
We present Hintikka games for formulae of the probabilistic temporal logic PCTL and countable labeled Markov chains as models, giving an operational account of the denotational se...
Harald Fecher, Michael Huth, Nir Piterman, Daniel ...