منابع مشابه
Forecasting Stock Trend by Data Mining Algorithm
Stock trend forecasting is a one of the main factors in choosing the best investment, hence prediction and comparison of different firms’ stock trend is one method for improving investment process. Stockholders need information for forecasting firm’s stock trend in order to make decision about firms’ stock trading. In this study stock trend, forecasting performs by data mining algorithm. It sho...
متن کاملTrend Template: Mining Trends With a Semi-formal Trend Model
Predictions of uprising or falling trends are helpful in different scenarios in which users have to deal with huge amount of information in a timely manner,such as during financial analysis. This temporal aspect in various cases of data analysis requires novel data mining techniques. Assuming that a given set of data, e.g. web news, contains information about a potential trend, e.g. financial c...
متن کاملTrend mining in social networks: from trend identification to visualization
A four stage social network trend mining framework, the IGCV (Identification, Grouping, Clustering and Visualisation) framework, is described. The framework extracts trends from social network data and then applies a sequence of techniques (“tools”) to this data to facilitate interpretation of the identified trends. Of particular note is the visualisation of trend migrations (changes) that feat...
متن کاملTrend Mining with Semantic-Based Learning
Mining trends by analyzing text streams could enhance the standard trend analysis based on numeric data. The use of qualitative information in the process of trend recognition, in addition to that of quantitative data, requires new analysis techniques. Since Semantic Web enables the appropriate and advantageous formalization of knowledge, we propose to include formalized expert knowledge in the...
متن کاملPredictive trend mining for social network analysis
This thesis describes research work within the theme of trend mining as applied to social network data. Trend mining is a type of temporal data mining that provides observation into how information changes over time. In the context of the work described in this thesis the focus is on how information contained in social networks changes with time. The work described proposes a number of data min...
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ژورنال
عنوان ژورنال: Journal of Japan Society for Fuzzy Theory and Intelligent Informatics
سال: 2010
ISSN: 1347-7986,1881-7203
DOI: 10.3156/jsoft.22.5_556