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    • 1. 发明申请
    • INDEXING DOCUMENTS FOR INFORMATION RETRIEVAL
    • 索引信息检索文件
    • WO2007139610A1
    • 2007-12-06
    • PCT/US2007/006600
    • 2007-03-15
    • MICROSOFT CORPORATIONTAYLOR, Michael J.ROBERTSON, StephenWILLIAMS, Hugh E.CRASWELL, Nicholas E.
    • TAYLOR, Michael J.ROBERTSON, StephenWILLIAMS, Hugh E.CRASWELL, Nicholas E.
    • G06F17/30G06F17/21
    • G06F17/30648G06F17/30864
    • Information retrieval systems such as web search systems locate documents amongst millions and even billions of possible documents on the basis of query terms. In order to achieve this document indexes are created. We propose creating new fields in the documents to store feedback information. This information comprises query terms used in a particular search as well as information about whether a particular document retrieved is given positive or negative feedback for example. Indexes are created on the basis of this feedback information in addition to other available information. As a result relevance of search results is improved. Multiple fields of information are available for given documents (such as abstract fields, title fields, anchor text fields as well as our feedback fields). Any search algorithm which deals with multiple fields as well as multiple query terms and which provides for differential weighting of document fields is used.
    • 诸如网络搜索系统之类的信息检索系统基于查询条件在数百万甚至数十亿的可能的文档之间找到文档。 为了实现这个文件索引的创建。 我们建议在文档中创建新的字段来存储反馈信息。 该信息包括在特定搜索中使用的查询词,以及关于被检索的特定文档是否被给予正或负反馈的信息。 索引是基于此反馈信息创建的,除了其他可用信息。 因此,搜索结果的相关性得到改善。 多个信息领域可用于给定的文档(例如抽象字段,标题字段,锚文本字段以及我们的反馈字段)。 使用任何处理多个字段的搜索算法以及多个查询项,并提供文档字段的差分加权。