On computational complexity of graph inference from counting
On computational complexity of graph inference from counting
复制标题
论计数图推理的计算复杂度
DOI:
10.1007/s11047-012-9349-2
复制
发表时间:
2013
影响因子:
2.1
通讯作者:
and Kei Taneishi
中科院分区:
文献类型:
--
作者:
Szilard Zsolt Fazekas;Hiro Ito;Yasushi Okuno;Shinnosuke Seki;and Kei Taneishi
In de novo drug design, chemical compounds are quantitized as real-valued vectors called chemical descriptors, and an optimization algorithm runs on known drug-like chemical compounds in a database and outputs an optimal chemical descriptor. Since structural information is needed for chemical synthesis, we must infer chemical graphs from the obtained descriptor. This is formalized as a graph inference problem from a real-value vector. By generalizing subword history, which was originally introduced in formal language theory to extract numerical information of words and languages based on counting, we propose a comprehensive framework to investigate the computational complexity of chemical graph inference. We also propose a (pseudo-)polynomial-time algorithm for inferring graphs in a class of practical importance from spectrums.