| Summary: | 碩士 === 國立中央大學 === 資訊工程研究所 === 98 === Because of the emergence of world wide web, people have a new interactive way. The researchers can also easily observe parts of the features of social networks in the Internet.
Some of the studies related to social network services are about the word of mouth marketing. This study is also concerned about the spreading of the messages and the concepts on the Internet. We choose microblogs as the objects to observe. Different from other social network services, microblog has the features that information is public and interaction is frequently. The goal of the research is to determine whether there is a more efficient way for spreading the message by observing the information diffusion on the microblogs.
This study attempts to identify the influential people and to quantify the influence of the people in different themes. We define a user''s influence as the speed or the probability of one of his message to cause another user to discuss. In other words, The study quantify the influence of the users by calculating transfer rate or success ratio of the message and make the influence of different users be able to be compared.
Finally, the study can help users find some of the microbloggers who delivers messages through the networks more efficiently, and we can use frequent itemset to find the possible paths of the transmission of a message.
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