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» Hedging Structured Concepts
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PODS
2007
ACM
171views Database» more  PODS 2007»
16 years 5 months ago
Monadic datalog over finite structures with bounded treewidth
Bounded treewidth and Monadic Second Order (MSO) logic have proved to be key concepts in establishing fixed-parameter tractability results. Indeed, by Courcelle's Theorem we ...
Georg Gottlob, Reinhard Pichler, Fang Wei
EDBT
2009
ACM
222views Database» more  EDBT 2009»
15 years 11 months ago
Data clouds: summarizing keyword search results over structured data
Keyword searches are attractive because they facilitate users searching structured databases. On the other hand, tag clouds are popular for navigation and visualization purposes o...
Georgia Koutrika, Zahra Mohammadi Zadeh, Hector Ga...
FOSSACS
2005
Springer
15 years 10 months ago
Branching Cells as Local States for Event Structures and Nets: Probabilistic Applications
We study the concept of choice for true concurrency models such as prime event structures and safe Petri nets. We propose a dynamic variation of the notion of cluster previously in...
Samy Abbes, Albert Benveniste
148
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ISAAC
2004
Springer
125views Algorithms» more  ISAAC 2004»
15 years 10 months ago
Local Gapped Subforest Alignment and Its Application in Finding RNA Structural Motifs
RNA molecules whose secondary structures contain similar substructures often have similar functions. Therefore, an important task in the study of RNA is to develop methods for disc...
Jesper Jansson, Ngo Trung Hieu, Wing-Kin Sung
BMCBI
2004
122views more  BMCBI 2004»
15 years 4 months ago
A comprehensive comparison of comparative RNA structure prediction approaches
Background: An increasing number of researchers have released novel RNA structure analysis and prediction algorithms for comparative approaches to structure prediction. Yet, indep...
Paul P. Gardner, Robert Giegerich