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    • 5. 发明授权
    • News clipping method and system
    • 新闻剪辑方法和系统
    • US5970485A
    • 1999-10-19
    • US891064
    • 1997-07-10
    • Natsuko SugayaHisamitsu KawaguchiNoriyuki Yamasaki
    • Natsuko SugayaHisamitsu KawaguchiNoriyuki Yamasaki
    • G06F3/14G06F3/048G06F17/30
    • G06F17/30634G06F17/30699G06F17/30867Y10S707/99933Y10S707/99934Y10S707/99935
    • A method of fast clipping, despite of large number of users, can be achieved through analyzing query expressions, storing the number of query terms included in the query expressions in a term number count table, generating a finite automaton for matching the terms occurring in text data with all terms included in the query expressions, generating a user identifier table for storing the identifiers of users in association with the terms included in the query expressions, matching the terms by scanning the text data by the finite automaton, calculating for each user the occurrence count of terms occurring in the text data as substrings coincident with the terms included in the query expressions made to the user identifier table, storing the calculated occurrence count in the term occurrence count region of the table, comparing the calculated term occurrence count of the table with the number of terms included the query expressions, and when a match is found from the comparison, delivering the text data to the user.
    • 可以通过分析查询表达式,将包含在查询表达式中的查询项的数量存储在术语数量计数表中来实现快速裁剪的方法,尽管有大量用户,生成用于匹配文本中出现的术语的有限自动机 具有包括在查询表达式中的所有术语的数据,生成用于存储与查询表达式中包括的术语相关联的用户标识符的用户标识符表,通过有限自动机扫描文本数据来匹配术语,为每个用户计算 在文本数据中出现的术语的出现次数与作为对用户标识符表的查询表达式中包括的术语一致的子字符串存储,将计算的出现次数存储在表的术语出现计数区域中,将计算出的术语发生次数 表中包含查询表达式的术语数量,当从比较中找到匹配时,传递 g给用户的文本数据。
    • 7. 发明授权
    • Document retrieval method and system and computer readable storage medium
    • 文件检索方法和系统以及计算机可读存储介质
    • US06665668B1
    • 2003-12-16
    • US09645561
    • 2000-08-24
    • Natsuko SugayaKatsumi TadaTadataka MatsubayashiAkihiko YamaguchiYasuhiko InabaYousuke Ushiroji
    • Natsuko SugayaKatsumi TadaTadataka MatsubayashiAkihiko YamaguchiYasuhiko InabaYousuke Ushiroji
    • G06F1730
    • G06F17/30011Y10S707/917Y10S707/99935Y10S707/99936
    • A document retrieval system is provided which has a document display interface which is easy to recognize the important portions even if a document retrieved by using a query expression designated by a document or a long sentence is displayed. When a text is registered, predetermined character strings and location information which are extracted from the text are stored in a location information file. A weight of each character string is calculated by a predetermined method and is stored in a weight file. In retrieving a document, predetermined character strings are extracted from a designated query expression. A similarity is calculated between the query expression and texts in the database by using the location information and the weights acquired from the location file and the weight file. In displaying the document, character strings having the high weights are extracted from the character strings used for the retrieval. Then, the display format of a portion which contains the extracted character strings is changed to display the text.
    • 提供了一种具有文档显示界面的文档检索系统,即使通过使用由文档或长句子指定的查询表达式检索到的文档被显示,也容易识别重要部分。 当登记文本时,将从文本中提取的预定字符串和位置信息存储在位置信息文件中。 每个字符串的权重通过预定方法计算并存储在权重文件中。 在检索文档时,从指定的查询表达式中提取预定的字符串。 通过使用位置信息和从位置文件和权重文件获得的权重,在查询表达式和数据库中的文本之间计算相似度。 在显示文档时,从用于检索的字符串中提取具有高权重的字符串。 然后,改变包含提取的字符串的部分的显示格式以显示文本。
    • 8. 发明授权
    • Method and search method for structured documents
    • 结构化文件的方法和搜索方法
    • US06496820B1
    • 2002-12-17
    • US09300594
    • 1999-04-28
    • Katsumi TadaNatsuko SugayaTadataka MatsubayashiTakuya OkamotoYasushi Kawashimo
    • Katsumi TadaNatsuko SugayaTadataka MatsubayashiTakuya OkamotoYasushi Kawashimo
    • G06F1730
    • G06F17/3061Y10S707/99931Y10S707/99932Y10S707/99933Y10S707/99935
    • A registration method for structured documents includes the steps of: preparing correspondence data between a string and a string occurrence position within a structured document for each structured document, and additionally storing the correspondence data in an occurrence frequency extracting index; and preparing a list of a character, an element containing the character and a length of the element and additionally storing the list in an element length index. A search method for structured documents includes the steps of: inputting search conditions including a search term and an element for specifying a search range; decomposing the search term into a plurality of substrings, obtaining an occurrence frequency and an occurrence position of the search term using the plurality of substrings from the occurrence frequency extracting index; selecting a character from the search term, obtaining an element containing the character using the character from the element length index, and further extracting a length of the element within the search range; calculating a matching degree for the search conditions from the occurrence frequency and the occurrence position of the search term and the length of the element within the search range; and outputting the element containing the search term and the matching degree.
    • 结构化文档的注册方法包括以下步骤:为每个结构化文档准备在结构化文档内的字符串和字符串发生位置之间的对应数据,并且将对应数据另外存储在发生频率提取索引中; 以及准备字符的列表,包含该元素的字符和长度的元素,并另外将该列表存储在元素长度索引中。 用于结构化文档的搜索方法包括以下步骤:输入包括搜索项和用于指定搜索范围的元素的搜索条件; 将搜索项分解为多个子串,使用来自发生频率提取索引的多个子串来获得搜索项的出现频率和出现位置; 从所述搜索项中选择一个字符,从所述元素长度索引获得包含所述字符的元素,并进一步提取所述元素在所述搜索范围内的长度; 根据搜索项的出现频率和出现位置以及搜索范围内的元素的长度来计算搜索条件的匹配度; 并输出包含搜索项和匹配度的元素。