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PLDI
2005
ACM
15 years 11 months ago
Formal loop merging for signal transforms
A critical optimization in the domain of linear signal transforms, such as the discrete Fourier transform (DFT), is loop merging, which increases data locality and reuse and thus ...
Franz Franchetti, Yevgen Voronenko, Markus Pü...
SIGIR
2005
ACM
15 years 11 months ago
Web-based acquisition of Japanese katakana variants
This paper describes a method of detecting Japanese Katakana variants from a large corpus. Katakana words, which are mainly used as loanwords, cause problems with information retr...
Takeshi Masuyama, Hiroshi Nakagawa
CAISE
2005
Springer
15 years 11 months ago
Query Processing Using Ontologies
Abstract. Recently, the database and AI research communities have paid increased attention to ontologies. The main motivating reason is that ontologies promise solutions for comple...
Chokri Ben Necib, Johann Christoph Freytag
WIDM
2003
ACM
15 years 10 months ago
XPath query transformation based on XSLT stylesheets
Whenever XML data must be shared by heterogeneous applications, transformations between different applicationspecific XML formats are necessary. The state-of-the-art method transf...
Sven Groppe, Stefan Böttcher
PODS
2010
ACM
249views Database» more  PODS 2010»
15 years 10 months ago
Semantic query optimization in the presence of types
Both semantic and type-based query optimization rely on the idea that queries often exhibit non-trivial rewritings if the state space of the database is restricted. Despite their ...
Michael Meier 0002, Michael Schmidt, Fang Wei, Geo...