867 search results - page 60 / 174 » On Two Forms of Structural Recursion |
PODS
2006
ACM
16 years 21 days ago
2006
ACM
Given a document D in the form of an unordered labeled tree, we study the expressibility on D of various fragments of XPath, the core navigational language on XML documents. We gi...
114
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CP
2007
Springer
15 years 6 months ago
2007
Springer
Searching for optimal solutions to a problem using lower bounds obtained from a relaxation is a common idea in Heuristic Search and Planning. In SAT and CSPs, however, explicit rel...
95
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ALIFE
2006
15 years 19 days ago
2006
Evolutionary theorists have long been interested in the conditions that permit the evolution of altruistic cooperation. Recent work has demonstrated that altruistic donation can ev...
158
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TCSB
2010
14 years 11 months ago
2010
Biomodel engineering is the science of designing, constructing and analyzing computational models of biological systems. It forms a systematic and powerful extension of earlier mat...
148
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DEBU
2010
14 years 10 months ago
2010
We consider the requirements that a citation system must fulfill in order to cite structured and evolving data sets. Such a system must take into account variable granularity, con...