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    • 10. 发明申请
    • Method and system for providing a search index for an electronic messaging system based on message threads
    • 用于基于消息线程为电子消息系统提供搜索索引的方法和系统
    • US20060248151A1
    • 2006-11-02
    • US11118969
    • 2005-04-29
    • Igor BelakovskiyNiklas HeidloffDavid BrooksCraig WolpertHong Dai
    • Igor BelakovskiyNiklas HeidloffDavid BrooksCraig WolpertHong Dai
    • G06F15/16
    • G06F17/30613
    • When a message having at least one attachment is obtained for indexing, it is indexed as N+1 separate documents, where N is the number of attached documents. If the message is part of a message thread, then information regarding the last message in the thread is retrieved, and search index attachment meta data for the last message is extracted. A unique identifier is computed for the newly obtained attachments, and used to search for matches in the attachments for the last message in the thread. If there is a match, then the newly obtained attachment is not indexed, but the unique identifier of the previously indexed matching attachment is added to a body index document for the new message. A unique identifier associated with the new message body is also added to a list of parent identifiers associated with the attachment. If a search is subsequently issued that matches the contents of the attachment, all documents whose parent identifiers are listed in the attachment document meta data will be returned as matches. If an attachment is obtained for a message is not part of a previous message thread, or if a newly obtained attachment is not a match with any previously obtained attachment within the message thread to which it belongs, then the attachment is indexed into the search index, and its unique identifier is included in the index document for the newly obtained message body.
    • 当获得具有至少一个附件的消息用于索引时,它被索引为N + 1个单独的文档,其中N是附加文档的数量。 如果消息是消息线程的一部分,则检索关于线程中的最后消息的信息,并提取最后消息的搜索索引附加元数据。 为新获得的附件计算唯一标识符,并用于搜索线程中最后一条消息的附件中的匹配项。 如果有匹配,则新获得的附件不被索引,但是先前索引的匹配附件的唯一标识符被添加到新消息的身体索引文档中。 与新消息体相关联的唯一标识符也被添加到与附件相关联的父标识符的列表中。 如果随后发出与附件内容相匹配的搜索,则其附件文档元数据中列出其父标识符的所有文档将作为匹配返回。 如果获取消息的附件不是先前消息线程的一部分,或者如果新获得的附件与其所属的消息线程中的任何先前获得的附件不匹配,则附件被索引到搜索索引中 ,并且其唯一标识符被包括在新获得的消息体的索引文档中。