Proceedings

Comparing Best-First Search and Dynamic Programming for Optimal Multiple Sequence Alignment

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Proceedings of the Eighteenth International Joint Conference on Artificial Intelligence. Pages 1239-1244.

Abstract

Sequence alignment is an important problem in computational biology. We compare two different approaches to the problem of optimally aligning two or more character strings: bounded dynamic programming (BDP), and divide-and-conquer frontier search (DCFS). The approaches are compared in terms of time and space requirements in 2 through 5 dimensions with sequences of varying similarity and length. While BDP performs better in two and three dimensions, it consumes more time a nd memory than DCFS for higher-dimensional problems.

Heath Hohwald, Ignacio Thayer, and Richard E. Korf. 2003. Comparing Best-First Search and Dynamic Programming for Optimal Multiple Sequence Alignment. In Proceedings of the Eighteenth International Joint Conference on Artificial Intelligence, IJCAI-03. IJCAI, 1239–1244. https://ijcai.org/proceedings/2003/176
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