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    • 45. 发明授权
    • Computer-based system and computer program product for collaborative editing of documents
    • 基于计算机的系统和计算机程序产品,用于文档的协同编辑
    • US07912811B2
    • 2011-03-22
    • US11596798
    • 2005-05-17
    • Thomas B. Hodel-Widmer
    • Thomas B. Hodel-Widmer
    • G06F17/20G06F17/24
    • G06Q10/10G06F17/24
    • A computer-based system for collaborative editing of documents has a computer-based control module and computerized workstations. The system has a database connected to the control module that stores a document in the database as linked character objects. Each character object represents one particular character of the document, includes a unique object identifier, and represents a type of the particular character. The character object represents the particular character being linked to a first character object representing a character preceding directly the particular character in the document and to a second character object representing a character following directly the particular character in the document. The control module receives and processes editing commands. The system has a propagation module for transmitting propagation messages to the workstations participating in the collaborative editing of the document, propagation messages including the character objects inserted or deleted in the database.
    • 用于文档协同编辑的基于计算机的系统具有基于计算机的控制模块和计算机化的工作站。 该系统具有连接到控制模块的数据库,该数据库将文档作为链接的字符对象存储在数据库中。 每个字符对象表示文档的一个特定字符,包括唯一的对象标识符,并且表示特定字符​​的类型。 字符对象表示链接到表示直接在文档中的特定字符之前的字符的第一字符对象的特定字符以及表示文档中的特定字符之后的字符的第二字符对象。 控制模块接收并处理编辑命令。 该系统具有传播模块,用于向参与协作编辑文档的工作站传输传播消息,包括在数据库中插入或删除的字符对象的传播消息。