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The demand for extracting keywords related to national issues from various sources and using them to retrieve R&D information has increased rapidly recently. In order to satisfy this demand, three methodologies are proposed in this study: a hybrid methodology for extracting and integrating national issue
provide simple message analysis features such as browsing and simple keyword-based searching of the recorded messages. In this paper, we propose a system, called IMAnalysis, that supports intelligent chat message analysis using text mining techniques. The IMAnalysis system provides functions on chat message retrieval, social
essential to develop an effective method to explore the sentiments of social messages. Methods In this study, we first applied a self-organizing map (SOM) algorithm to cluster social messages as well as sentiment keywords. An association discovery process was then applied to discover the associations between a message
This paper aims to design a system model that analyzes the unstructured data inside the posts about electronic products on social networking websites. For the purposes of this study, posts on social networking websites have been mined and the keywords are extracted from such posts. The extracted keywords and the
tweets with popular discussion points among the set of tweets returned by Twitter search engine in response to a query comprising the event related keywords. To ensure maximum coverage of topical diversity, we perform topical clustering of the tweets before applying the retrieval algorithm. Evaluation performed by
This paper introduces a novel methodology to extract core concepts from text corpus. This methodology is based on text mining and social network analysis. At the text mining phase the keywords are extracted by tokenizing, removing stop-lists and generating N-grams. Network analysis phase includes co-word occurrence
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