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Systems and methods for retrieving tabular data from textual sources

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G06F-017/30
출원번호 US-0901234 (1997-07-25)
발명자 / 주소
  • Pyreddy Pallavi
  • Croft W. Bruce
출원인 / 주소
  • Sovereign Hill Software, Inc.
대리인 / 주소
    Testa, Hurwitz & Thibeault, LLP
인용정보 피인용 횟수 : 75  인용 특허 : 7

초록

Tables form an important kind of data element in text retrieval. Often, the gist of an entire news article or other exposition can be concisely captured in tabular form. Information other than the key words in a digital document can be exploited to provide the users with more flexible and powerful q

대표청구항

[ What is claimed is:] [1.] A method for identifying tables and their component fields, the tables embedded in a text document, the method comprising the steps of:(a) storing in a memory element a character alignment graph, the graph indicating the number of text characters appearing in a particular

이 특허에 인용된 특허 (7)

  1. Turtle Howard R. (Woodbury MN), Concept matching of natural language queries with a database of document concepts.
  2. Tyler Max C. (Duxbury MA) Maimone Maureen A. (Peabody MA) Lev Christina M. (Framingham MA) Baker Norman W. (Haverhill MA) Watson Robert W. (Melrose MA), Design grid for inputting insurance and investment product information in a computer system.
  3. Kato Kanji (Tokorozawa JPX) Fujisawa Hiromichi (Tokorozawa JPX) Ooyama Mitsuo (Hachioji JPX) Kawaguchi Hisamitsu (Hachioji JPX) Hatakeyama Atsushi (Kokubunji JPX) Kaneoka Noriyuki (Hachioji JPX) Akiz, Hierarchical presearch type text search method and apparatus and magnetic disk unit used in the apparatus.
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  5. Butler Edward (Jonesville VT) Ellis Wayne F. (Jericho VT) Redman Theodore M. (Milton VT) Thoma Endre P. (Colchester VT), Signal margin testing system for dynamic RAM.
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  7. Turtle Howard R. (Rosemount MN) Morton Gerald J. (South St. Paul MN) Larntz F. Kinley (Shoreview MN), System of document representation retrieval by successive iterated probability sampling.

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