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Keyword extraction is an important application in the area of information technology. Automatic keyword extraction can help people know what is the article primarily talking about without reading the long passage carefully. This paper mainly introduced a keyword extraction algorithm using pagerank on Synonym. Firstly, the content in a single document is represented as a weighted synonym co-occurrence...
Automatic document classification is becoming an important research field with the rapid increase of electronic documents. The main purpose of this research is to construct an accurate document classifier based on support vector machines (SVM), which is known as the state of the art algorithm for document classification. The rough null space (RNS) based approach is also known as a good linear approach...
Whenever the question arises how a product, a personality, a technology or some other specific entity is perceived by the public, the blogosphere is a very good source of information. This is what usually interests business users from marketing or PR. Modern search services offer a rich set of tools to monitor or track the blogosphere as a whole, but the analysis with respect to a certain domain is...
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...
Online shopping is the process whereby consumers directly buy goods, services etc from a seller interactively in real-time without an intermediary service over the Internet. Nowadays, online shopping has become increasingly popular. However, affected by many factors, the purchase activities of consumers in online shopping is different from that of consumers in traditional shopping. This essay involves...
Personal knowledge management is an increasingly important subject in the field of knowledge management, and it has its own characteristics distinguished from organizational knowledge management. The PKM systems are required to manage personal tacit knowledge efficiently and to low down its threshold for the use for the mass people, which recent knowledge management systems cannot make. Blog, the...
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