An efficient substring search method by using delayed keyword extraction

@article{Okada2001AnES,
  title={An efficient substring search method by using delayed keyword extraction},
  author={Makoto Okada and Kazuaki Ando and Samuel Sangkon Lee and Yoshitaka Hayashi and Jun-ichi Aoe},
  journal={Inf. Process. Manage.},
  year={2001},
  volume={37},
  pages={741-761}
}
In the information retrieval systems, one of the most important and difficult operations is to extract appropriate keywords from documents. This paper proposes an effective substring search method by extending a pattern matching machine for multi-keyword based on Aho and Corasick (AC) called AC machine. The proposed method enables us to extract keyword candidates as much as possible and to select the suitable keywords for users' purpose at a retrieval stage. This method contains four types of… CONTINUE READING