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Navarro, Gonzalo; Baeza-Yates, Ricardo; Arcoverde, Joao Marcelo Azevedo – Journal of the American Society for Information Science and Technology, 2003
Presents the architecture and algorithms behind Matchsimile, an approximate string matching lookup tool designed for extracting person and company names from large texts. Highlights include name formation rules, defining the search problem, system architecture, recognizing pattern words, recognizing whole patterns, and performance. (Author/MES)
Descriptors: Algorithms, Computer Software Development, Electronic Text, Information Retrieval

Chen, Hsinchun; Lally, Ann M.; Zhu, Bin; Chau, Michael – Journal of the American Society for Information Science and Technology, 2003
Discussion of the information needs of medical professionals and researchers focuses on the architecture of a Web portal designed to integrate advanced searching and indexing algorithms, an automatic thesaurus, and self-organizing map technologies to provide searchers with fine-grained results. Reports results of evaluation of spider algorithms…
Descriptors: Algorithms, Evaluation Methods, Indexing, Information Needs

Tseng, Yuen-Hsien – Journal of the American Society for Information Science and Technology, 2002
Reports an approach to automatic thesaurus construction for Chinese documents. Presents an effective Chinese keyword extraction algorithm. Compared to previous studies, this method speeds up the thesaurus generation process drastically. It also achieves a similar percentage level of term relatedness. Includes three tables and four figures.…
Descriptors: Algorithms, Automation, Chinese, Information Processing

Pudovkin, Alexander I.; Garfield, Eugene – Journal of the American Society for Information Science and Technology, 2002
Using citations, papers and references as parameters a relatedness factor (RF) is computed for a series of journals. Sorting these journals by the RF produces a list of journals most closely related to a specified starting journal. The method appears to select a set of journals that are semantically most similar to the target journal. The…
Descriptors: Algorithms, Citation Analysis, Citations (References), Comparative Analysis