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» Multi-state Directed Acyclic Graphs
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JACM
2007
113views more  JACM 2007»
14 years 11 months ago
On counting homomorphisms to directed acyclic graphs
Martin E. Dyer, Leslie Ann Goldberg, Mike Paterson
TODAES
1998
67views more  TODAES 1998»
14 years 11 months ago
A new viewpoint on code generation for directed acyclic graphs
Stan Y. Liao, Kurt Keutzer, Steven W. K. Tjiang, S...
IPL
2010
71views more  IPL 2010»
14 years 10 months ago
New common ancestor problems in trees and directed acyclic graphs
We derive a new generalization of lowest common ancestors (LCAs) in dags, called the lowest single common ancestor (LSCA). We show how to preprocess a static dag in linear time su...
Johannes Fischer, Daniel H. Huson
ESA
2011
Springer
231views Algorithms» more  ESA 2011»
13 years 11 months ago
Distribution-Aware Compressed Full-Text Indexes
Abstract. In this paper we address the problem of building a compressed self-index that, given a distribution for the pattern queries and a bound on the space occupancy, minimizes ...
Paolo Ferragina, Jouni Sirén, Rossano Ventu...
CORR
2004
Springer
83views Education» more  CORR 2004»
14 years 11 months ago
Generating connected acyclic digraphs uniformly at random
We describe a simple algorithm based on a Markov chain process to generate simply connected acyclic directed graphs over a fixed set of vertices. This algorithm is an extension of...
Guy Melançon, Fabrice Philippe