| 摘要 |
When categories are assigned to pieces of information, a search can be focused based on the categories. In an online forum, information is categorized by topic, and a search can be focused on the topic by adding additional search terms or restrictions to a search query, where the additional search terms or restrictions are based upon the categories. The restrictions may restrict the search to a particular web site that is determined based upon the category. In an online forum for answering questions, where the questions are categorized by topic, information related to a question may be located by performing a Web search for search terms extracted from the question. The search can be focused on relevant web sites restricting the search to sites that are related to the question's category. The results of the search may be displayed as related links alongside the question in the online forum.
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