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Journal ArticleDOI

Social Measures and Flexible Navigation on Online Contact Networks

Nikolaos Korfiatis, +1 more
- 21 Feb 2007 - 
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TLDR
In this article, the concept of social distance is used to address the different levels of social information and express the subjective vagueness in social ties by means of fuzzy numbers, and the implementation of an algorithm for measuring prestige based on such vague estimations is reported.
Abstract: 
This paper discusses ways of navigating online contact networks - networks of social connections defined under a relational context - on a way that can provide more meaningful information to those that use them We use the concept of social distance to address the different levels of social information and express the subjective vagueness in social ties by means of fuzzy numbers The implementation of an algorithm for measuring prestige based on such vague estimations is reported For the sake of illustration, a numerical example using a fuzzy graph is provided in which the strength or weakness of the connections is defined as a fuzzy number

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Citations
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Posted Content

Using Online Consumer Reviews as a Source for Demographic Recommendations: A Case Study Using Online Travel Reviews

Nikolaos Korfiatis, +1 more
- 01 Jan 2013 - 
TL;DR: This study presents architecture for a demographic recommendation system, based on a user-defined hierarchy of service quality indicator importance, and classification of traveler types, and uses an algebraic approach to ascertain preferences from a large dataset obtained from the popular travel website Booking.com.
Posted Content

Big Data for Enhanced Learning Analytics: A Case for Large-Scale Comparative Assessments

Nikolaos Korfiatis
- 19 Aug 2013 - 
TL;DR: It is argued why data from learning processes can be characterized as Big Data from the viewpoint of data source heterogeneity (variety) and some architectural issues that can be taken into account on implementing such an infrastructure on the case of comparative assessments.
Dissertation

Modeling and Conservation of Wildlife Populations in Managed Landscapes: A Trade-Off Between Effort and Results

Sergey S. Berg
TL;DR: In this article, Forester et al. presented a Ph.D. in conservation biology with a focus on conservation biology and applied it to the field of conservation biology, with an emphasis on water conservation.
Journal ArticleDOI

Music, Musicians, and Information Seeking Behavior: A Case Study on a Community Concert Band

Petros Kostagiolas, +4 more
- 25 Jun 2013 - 
TL;DR: In this paper, a user study of information seeking behavior targeted at amateur musicians, based on an empirical survey conducted on participants recruited from a community concert band (N=147), is presented.
References
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Book

Linked: The New Science of Networks

Albert-László Barabási
TL;DR: An ink jet comprises an elastic tubular member characterized by piezoelectric properties that is terminated in an orifice adapted to pass droplets of ink when the chamber formed within the tubular members is reduced in size.
Book

Structural Models: An Introduction to the Theory of Directed Graphs

Norman, +1 more