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ECP
1999
Springer
157views Robotics» more  ECP 1999»
15 years 11 months ago
SAT-Based Procedures for Temporal Reasoning
In this paper we study the consistency problem for a set of disjunctive temporal constraints [Stergiou and Koubarakis, 1998]. We propose two SAT-based procedures, and show that—o...
Alessandro Armando, Claudio Castellini, Enrico Giu...
STACS
1999
Springer
15 years 11 months ago
Decidability and Undecidability of Marked PCP
We show that the marked version of the Post Correspondence Problem, where the words on a list are required to di er in the rst letter, is decidable. On the other hand, PCP remains ...
Vesa Halava, Mika Hirvensalo, Ronald de Wolf
VLDB
1999
ACM
188views Database» more  VLDB 1999»
15 years 11 months ago
Comparing Hierarchical Data in External Memory
We present an external-memory algorithm for computing a minimum-cost edit script between two rooted, ordered, labeled trees. The I/O, RAM, and CPU costs of our algorithm are, resp...
Sudarshan S. Chawathe
ICPP
1996
IEEE
15 years 11 months ago
Parallel Implementation of Cone Beam Tomography
Abstract - Three dimensional computed tomography is a computationally intensive procedure, requiring large amounts of R A M and processing power. Parallel methods for two dimension...
David A. Reimann, Vipin Chaudhary, Michael J. Flyn...
DAC
1994
ACM
15 years 11 months ago
Minimal Delay Interconnect Design Using Alphabetic Trees
Abstract - We propose a new algorithm for the performancedriven interconnect design problem, based on alphabetic trees. The interconnect topology is determined in a global manner a...
Ashok Vittal, Malgorzata Marek-Sadowska