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The Market of Data is an environment where data are reasonably deal with. Some data in the market of data are large and hard to analyze. How to efficiently analyze and organize such large scale data in the market of data is a difficult problem. When using Hadoop to analyze these massive data, if input data of a data mining task are not locally available in a processing node, data have to be migrated...
This paper proposes a novel Joint Propagation and Refinement (JPR) method to extract opinion words and targets. We adopt a growing heuristic method to extract new opinion words and targets in two parallel processes: propagation and refinement. In the propagation process, we generate the candidate sets of opinion words and targets and construct Sentiment Graph Model (SGM) to evaluate the relations...
Privacy preservation is an important issue in the release of data for mining purposes. In practical applications, data is published continuously as new data arrive. Recently, efficient anonymization for continuous data publishing has attracted much research work. However, a careful balance between privacy and utility for continuous data publishing remains an open problem. In this paper, we study the...
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