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» Destruction of Very Simple Trees
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COLING
2002
13 years 5 months ago
Generating the XTAG English Grammar Using Metarules
We discuss a grammar development process used to generate the trees of the wide-coverage Lexicalized Tree Adjoining Grammar (LTAG) for English of the XTAG Project. Result of the c...
Carlos A. Prolo
VMCAI
2007
Springer
13 years 11 months ago
On Flat Programs with Lists
Abstract. In this paper we analyze the complexity of checking safety and termination properties, for a very simple, yet non-trivial, class of programs with singly-linked list data ...
Marius Bozga, Radu Iosif
ICDE
2004
IEEE
100views Database» more  ICDE 2004»
14 years 6 months ago
Simple, Robust and Highly Concurrent B-trees with Node Deletion
Why might B-tree concurrency control still be interesting? For two reasons: (i) currently exploited "real world" approaches are complicated; (ii) simpler proposals are n...
David B. Lomet
ESA
1999
Springer
89views Algorithms» more  ESA 1999»
13 years 9 months ago
On the Informational Asymmetry between Upper and Lower Bounds for Ultrametric Evolutionary Trees
Abstract. This paper addresses the informational asymmetry for constructing an ultrametric evolutionary tree from upper and lower bounds on pairwise distances between n given speci...
Ting Chen, Ming-Yang Kao
MFCS
2004
Springer
13 years 10 months ago
Complexity of Decision Problems for Simple Regular Expressions
We study the complexity of the inclusion, equivalence, and intersection problem for simple regular expressions arising in practical XML schemas. These basically consist of the conc...
Wim Martens, Frank Neven, Thomas Schwentick