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    • 6. 发明申请
    • PROGRESSIVE RELAXATION OF SEARCH CRITERIA
    • 搜索标准的渐进放松
    • WO2004102427A2
    • 2004-11-25
    • PCT/US2004/010020
    • 2004-03-31
    • ORACLE INTERNATIONAL CORPORATIONALPHA, ShamimDIXON, Paul
    • ALPHA, ShamimDIXON, Paul
    • G06F17/30
    • G06F17/3064G06F17/30926G06F17/30938Y10S707/99933Y10S707/99934
    • An information search mechanism provides control over the relaxation of search queries to users that are requesting searches. Through this mechanism, users can specify a sequence of sub-queries that is associated with variations of the main search criteria, and specify a progression in which to execute the sub-queries. Hence, users can impart their priorities with respect to search term variations used in relaxing the main search criteria, which further allows the users to impart their notion of the relevance of results that may be returned by particular sub-queries. A query that includes a sequence of sub-queries is received and the sub-queries are executed, if at all, by a database server in an order based on the progression specified by the user. Response time and network loading are improved through reduction of unnecessary work by the database server and through reduction of costly communications between client and server and associated processing.
    • 信息搜索机制提供对要求搜索的用户对搜索查询的放松的控制。 通过这种机制,用户可以指定与主搜索条件的变化相关联的子查询序列,并指定执行子查询的进程。 因此,用户可以根据放宽主搜索标准所使用的搜索词变体赋予其优先级,这进一步允许用户传达他们对特定子查询可能返回的结果的相关性的概念。 接收到包含子查询序列的查询,并且根据用户指定的进度,数据库服务器按顺序执行子查询(如果有的话)。 通过减少数据库服务器不必要的工作并减少客户端和服务器之间昂贵的通信以及相关处理,来改善响应时间和网络负载。