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With the pervasion of Internet and the sharp increase of the number of netizens, Network public opinion has been serving as an effective method in the monitoring and reflection of social public opinion. However, Regulatory Authorities are inclined to concern more about public opinion in a special field while it is too difficult to acquisite the expected information that relates to a special area from...
Vertical search engines use focused crawlers as their key component and develops some specific algorithms to select web pages relevant to some pre-defined set of topics. Therefore, to effectively build up a semantic pattern for specific topics is extremely important to such search engines. Crawlers are software which can traverse the internet and retrieve web pages by hyperlinks. Here we propose an...
We present an interactive, exoteric semantic knowledge base, which integrates HowNet and the online encyclopedia Wikipedia. The semantic knowledge base mainly builds on items, categories, attributes and relation between. In the constructing process, a mapping relationship is established from HowNet, Wikipedia to the new knowledge base. Different from other online encyclopedias or knowledge dictionaries,...
During the last decade, the rapid advance of information technology, especially on the World Wide Web (WWW), has made the Internet available for people to share and acquire information easily. However, due to the enormous Web pages the Internet contains, users spend most of time in browsing and skipping the documents they have searched. From time to time, an easy question costs a user a lot of time...
The semantic Web is the next step in the Internet's evolution. The existing Web contains a considerable amount of data; most is weakly structured. Broadly accessing the data is difficult. Previously unseen data cannot be easily autonomously understood with out a consistent semantic framework. Viewing and organizing data using shared ontologies is essential for both sharing data and for Web site interoperability...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.