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Yahoo!由美国Internet Systems Inc.等多家共同资助,并得到无数企业和个人的无私奉献.Yahoo目前已收集有Internet中数十万个环球网资源服务器的地址,并提供按主题词检索和按专题检索两种检索方式.使用Yahoo非常简单,首先,利用环球网阅读器联上如下地址:http∥www.yahoo.com,yahoo!服务器即送过来它的主页(HomePage).如果您要按主题词检索,请在主页中的Search(检索)窗口中输入主题词,再按动Search按钮,一两分钟后,所有与该主题词相关的环球网服务器的名称、地址和简介将出现在您的屏幕上.我曾以“China”作为主题词进行检索,结果一共找到了160多个与“China”相关的服务器.Yahoo!的主题词检索还支持布尔逻辑,例如,您可以在Search窗口中输入多个主题词,并设定这些主题词之间的关系是“与”(“and”)关系还是“或”(“or”)关系,是代表一个子串还是代表整个单词等等.这些功能大大增加了检索的灵活性.
Yahoo! was jointly funded by a number of Internet Systems Inc. in the United States, and has been selfless dedication of numerous businesses and individuals.Yahoo has now collected the address of hundreds of thousands of Internet resource servers in the Internet and provides search by keyword and press Thematic search two ways to retrieve. The use of Yahoo is very simple, first of all, the use of World Wide Web reader linked to the following address: http // www.yahoo.com, yahoo! Server is sent over its HomePage (HomePage) .If you want to press the topic Word search, enter the keywords in the Search window on the home page and press the Search button. After a minute or two, all the names, addresses and profiles of the Web servers related to this keyword will appear on your On the screen, I used “China” as the keyword search, the results found a total of more than 160 servers related to “China.” Yahoo! keyword search also supports Boolean logic, for example, you can enter in the Search window Multiple keywords, and set the relationship between the keywords as an “or” relationship or an “or” relationship, representing a substring or representing the entire word, etc. These functions Big increase the flexibility of retrieval.