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    • 2. 发明申请
    • System and method for indexing and prefiltering
    • 用于索引和预过滤的系统和方法
    • US20060129555A1
    • 2006-06-15
    • US11007247
    • 2004-12-09
    • Brian BurdickJoshua FormanKevin KornelsonMurali VajjiravelRajeev Prasad
    • Brian BurdickJoshua FormanKevin KornelsonMurali VajjiravelRajeev Prasad
    • G06F7/00
    • G06Q30/02G06Q30/0253
    • A method and system are provided for selecting advertisements for presentation to a user in response to a user search query. The system may include a keyword server for parsing the user search query and an index server for receiving the parsed search query. The index server may include an index of advertising phrases and pre-filtering components for comparing index entries to the parsed user search query in order to discard non-matching index entries and locate matching entries. The pre-filtering components may include either a phrase length pre-filtering component or a word hash pre-filtering component. The system may additionally include a listing server for sorting through the matching entries located by the index server and further filtering the matching entries for retrieval and presentation to the user.
    • 提供了一种方法和系统,用于响应于用户搜索查询来选择用于呈现给用户的广告。 系统可以包括用于解析用户搜索查询的关键字服务器和用于接收解析的搜索查询的索引服务器。 索引服务器可以包括广告短语的索引和用于将索引条目与解析的用户搜索查询进行比较的预过滤组件,以便丢弃不匹配的索引条目并定位匹配条目。 预过滤组件可以包括短语长度预过滤组件或字哈希预过滤组件。 该系统可以另外包括列表服务器,用于通过由索引服务器定位的匹配条目进行排序,并进一步过滤用于检索和呈现给用户的匹配条目。