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Information Extraction from Semi-structured Resources: A Two-Phase Finite State Transducers Approach

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2011
Authors
Pajić, Vesna
Pavlović-Lažetić, Gordana
Pajić, Miloš
Conference object (Published version)
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Abstract
The paper presents a new method for extracting information from semi-structured resources, based on finite state transducers. The method has two clearly distinguished phases. The first phase - pre-processing phase strongly relies upon the analysis of the document structure and it is used for locating records of data in the text. The second phase is based on the finite state transducers created for extracting information. The transducers can be modified so that preferred efficiency is achieved and can be reused for extracting information from other pre-processed documents. We conclude that even untagged text can be treated as a semi-structured one, providing its structure can be successfully pre-processed. As a result, we extracted data from free form encyclopedia text and created a fully structured database with genotype and phenotype characteristics of the organisms.
Keywords:
information extraction / finite state transducer / semi-structured resource / linguistic resource / bioinformatics / genome
Source:
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and, 2011, 6807 LNCS, 282-289
Publisher:
  • 16th International Conference on Implementation and Application of Automata, CIAA 2011

DOI: 10.1007/978-3-642-22256-6_26

ISSN: 0302-9743

WoS: 000304127100026

Scopus: 2-s2.0-79961198242
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URI
http://aspace.agrif.bg.ac.rs/handle/123456789/2415
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  • Radovi istraživača / Researchers’ publications
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Poljoprivredni fakultet

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