Now showing items 1-10 of 257
Social network decision making with linguistic trustworthiness based induced OWA operators
Classic aggregation operators in group decision making such as the OWA, IOWA, C-IOWA, P-IOWA and I-IOWA have shown to be successful tools in order to provide flexibility in the aggregation of preferences. However, these ...
A Hybrid Approach to Sentiment Analysis
This contribution presents a hybrid approach to Sentiment Analysis (SA) encompassing the use of semantic rules, fuzzy sets, unsupervised machine learning techniques and a sentiment lexicon improved with the support of ...
A Comparative Study on Community Detection Methods in Complex Networks
(IOS Press, 2018-03)
Community detection aims to discover cohesive groups in which people connect with each other closely in social networks. A variety of methods have been proposed to detect communities in social networks. However, there is ...
Fuzzy Group Decision Making with Incomplete Information Guided by Social Influence
(IEEE Xplore, 2017-09)
A promising research area in the field of Group Decision Making (GDM) is the study of interpersonal influence and its impact on the evolution of experts’ opinions. In conventional GDM models, a group of experts express ...
A Web Information System to Improve the Digital Library Service Quality
To asses the quality of the services provided by a digital library, traditional measures, such as the size of its collection, have usually been utilized. However, service quality also has to be evaluated by considering ...
An interactive decision support system based on consistency criteria.
(Old City Publishing, 2008)
A self-management mechanism for non-cooperative behaviors in large-scale group consensus reaching processes
(IEEE Xplore, 2018-03-21)
In large-scale group decision making (GDM), non-cooperative behavior in the consensus reaching process (CRP) is not unusual. For example, some individuals might form a small alliance with the aim to refuse attempts to ...
Consensus modeling with probability and cost constraints under uncertainty opinions
Goal programming is often applied into uncertain group decision making to achieve the optimal solution. Exiting models focus on either the minimum cost (guaranteeing negotiation budget) or the maximum utility (improving ...
A Hybrid Approach for Supporting Adaptivity in E-learning Environments
(Emerald Group Publishing Limited, 2016-09-07)
Purpose: The purpose of this paper is to identify a framework to support adaptivity in e-learning environments. The framework reflects a novel hybrid approach incorporating the concept of the ECA model and intelligent ...