| Summary: | 碩士 === 國立中正大學 === 資訊管理系研究所 === 104 === This study put forth a keyword-based knowledge map and use knowledge map to observe and analyze the trend of journal. By the keyword as the objective of the study, we can understand the importance of the research field in different years.
This study takes Decision Support Systems Journal on as the object of the research, treat all paper keywords of 2010-2014 years as the node (Node) through the connection (link) to represents the associated of keyword, keyword of the same paper will combine a complete graph, finally all papers are respectively composed of the complete graph and there have a belong to the knowledge map of the year. Observing the research trends and the popular keywords of the periodicals through the connection situation and the whole distribution of the keywords in the knowledge map. In addition to knowledge map. This study combined with the bar chart and the time slide. In order to show a popular keyword connected nodes. Through the method of understanding times on a single keyword and popular keyword to appear at the same time, through the bar graph collocation in timeslide. can be used to understand the historical information of a single keyword.
This research final conclusion obtains popular keywords and trend top three respectively is: Decision support system and Data mining and Electronic commerce. Evaluate through the user, finally get positive user's feedback. This research observes the whole research trend by knowledge map and it is helpful to the research of the following related research and the function design of information retrieval system.
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