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A method of geographical name extraction from Japanese text for thematic geographical search

Published: 01 November 1999 Publication History
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    A text retrieval method called the thematic geographical search method has been developed and applied to a Japanese encyclopedia called the World Encyclopædia. In this method, the user specifies a search theme using free words, then obtains a sorted list of excerpts and hyperlinks to encyclopedia sentences that contain geographical names. Using this list, the user can also open maps that indicate the locations of the names. To generate an index of names for this searching, a method of extracting geographical names has been developed. In this method, geographical names are extracted, matched to names in a geographical name database, and identified. Geographical names, however, often have several types of ambiguities. Ambiguities are resolved by using non-local context analysis, which uses a stack and several other techniques. As a result, the precision of extracted names is more than 96% on average. This method depends on features of the Japanese language, but the strategy and most of the techniques can be applied to texts in English or other languages.

    References

    [1]
    DVD/CD-ROM World Encyclopcedia, version 2, Hitachi Digital Heibonsha, 1998.
    [2]
    CD-ROM Mypcedia 99, Hitachi Digital Heibonsha, 1999.
    [3]
    Hisamitsu, T., and Niwa, Y.: Acquisition of Person Names from Newspaper Articles by Lexical Knowledge and Co-occurrence Analysis, SIG on Natural Language Processing, Information Processing Society of Japan, 118-1, pp. 1- 6, 1997 (in Japanese).
    [4]
    Inoue, Y., et al.: Template-based Products Information Extraction from Newspaper Articles, SIG on Natural Language Processing, Information Processing Society of lapan, 96-NL-115, pp. 83-90, 1996 (in Japanese).
    [5]
    Kanada, Y.: Axis-specified Search: A New Full-text Search Method for Gathering and Structuring Excerpts, 3rd Int'l ACM Conf. on Digital Libraries, pp. 108-117, 1998.
    [6]
    Kanada, Y.: Methods of Extracting Year References for Chronological-table-generating Text Searching, Int 'l Symposium, on Digital Libraries 1999, Univ. of Library and Information Sci., Tsukuba, 1999.
    [7]
    Proceedings of the Seventh Message Understanding Conference (MUC-7). SAIC, 1998.
    [8]
    Takao, Y., Nagai, H., Nakamura, S., and Nomura, H.: Information Extraction from Newspaper Articles of Multiple Products B classification of expression patterns -- SIG on Natural Language Processing, Information Processing Society of Japan, 129-17, pp. 117-124, 1999 (in Japanese).

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    • (2011)A language independent approach for aligning subject heading systems with geographic ontologiesProceedings of the 2011 International Conference on Dublin Core and Metadata Applications10.5555/2770897.2770902(47-57)Online publication date: 21-Sep-2011
    • (2011)A metadata geoparsing system for place name recognition and resolution in metadata recordsProceedings of the 11th annual international ACM/IEEE joint conference on Digital libraries10.1145/1998076.1998140(339-348)Online publication date: 13-Jun-2011
    • (2010)Placing Cultural Events and Documents in Space and TimeFoundations of Geographic Information Science10.1201/9780203009543.ch12(223-239)Online publication date: 14-Jan-2010
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    cover image ACM Conferences
    CIKM '99: Proceedings of the eighth international conference on Information and knowledge management
    November 1999
    564 pages
    ISBN:1581131461
    DOI:10.1145/319950
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    New York, NY, United States

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    Published: 01 November 1999

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    November 2 - 6, 1999
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    • (2011)A language independent approach for aligning subject heading systems with geographic ontologiesProceedings of the 2011 International Conference on Dublin Core and Metadata Applications10.5555/2770897.2770902(47-57)Online publication date: 21-Sep-2011
    • (2011)A metadata geoparsing system for place name recognition and resolution in metadata recordsProceedings of the 11th annual international ACM/IEEE joint conference on Digital libraries10.1145/1998076.1998140(339-348)Online publication date: 13-Jun-2011
    • (2010)Placing Cultural Events and Documents in Space and TimeFoundations of Geographic Information Science10.1201/9780203009543.ch12(223-239)Online publication date: 14-Jan-2010
    • (2009)BEIRAWorld Wide Web10.1007/s11280-008-0054-012:1(51-68)Online publication date: 1-Mar-2009
    • (2009)Extracting Geographic Context from the WebProceedings of the 31th European Conference on IR Research on Advances in Information Retrieval10.1007/978-3-642-00958-7_50(554-561)Online publication date: 18-Apr-2009
    • (2007)BEIRAProceedings of the 8th international conference on Web information systems engineering10.5555/1781374.1781388(111-122)Online publication date: 3-Dec-2007
    • (2007)BEIRA: A Geo-semantic Clustering Method for Area SummaryWeb Information Systems Engineering – WISE 200710.1007/978-3-540-76993-4_10(111-122)Online publication date: 2007
    • (2006)Toward tighter integration of web search with a geographic information systemProceedings of the 15th international conference on World Wide Web10.1145/1135777.1135821(277-286)Online publication date: 23-May-2006
    • (2005)Hybrid Framework for Information Extraction for Geographical Terms in Hindi Language Texts2005 International Conference on Natural Language Processing and Knowledge Engineering10.1109/NLPKE.2005.1598803(577-581)Online publication date: 2005
    • (2003)Bootstrapping toponym classifiersProceedings of the HLT-NAACL 2003 workshop on Analysis of geographic references - Volume 110.3115/1119394.1119401(45-49)Online publication date: 31-May-2003
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