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Chapter and Conference Paper
Population Estimation of Internet Forum Community by Posted Article Distribution
Traditionally, it seems that there are no typical patterns or regularities on an internet forum and the bulletin board because it is a result of voluntary behaviour of an individual user. However, recent studi...
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Chapter and Conference Paper
Using PCA to Predict Customer Churn in Telecommunication Dataset
Failure to identify potential churners affects significantly a company revenues and services that can provide. Imbalance distribution of instances between churners and non-churners and the size of customer dat...
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Chapter and Conference Paper
A System to Share Arrangements for Daily Tasks and Life Events on the Web
It is important to make plans and preparations for daily tasks and life events, for example when moving house. A well-considered arrangement makes it possible to efficiently finish such tasks and events. It wo...
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Chapter and Conference Paper
Experience-Based Curiosity Model: Curiosity Extracting Model Regarding Individual Experiences of Urban Spaces
Many online advertising and web-based recommendation systems have been developed, however not so many services consider individual’s real activities in the real world for real time recommendation, regarding th...
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Chapter and Conference Paper
Word Familiarity Distributions to Understand Heaps’ Law of Vocabulary Growth of the Internet Forums
In this study, lexical analysis is applied to the log data of conversations on Internet forums. It is well known that many regularities in documents have been found, for example, Zipf’s law and Heaps’ law. Thi...
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Chapter and Conference Paper
Unsupervised Scene Classification Based on Context of Features for a Mobile Robot
This paper presents an unsupervised scene classification method based on the context of features for semantic recognition of indoor scenes used for an autonomous mobile robot. Our method creates Visual Words (...