Recommender systems

Virtual reality & virtual museums

Research area:

Exploiting Internet of Things Information to Enhance Venues' Recommendation Accuracy

Dionisis Margaris and Costas Vassilakis
Service Oriented Computing and Applications, Springer, 11(4), pp. 393–409, December 2017

Year:

Service Oriented Architectures

Research area:

Enhancing User Rating Database Consistency through Pruning

Dionisis Margaris and Costas Vassilakis
Transactions on Large-Scale Data- and Knowledge-Centered Systems, special issue on Consistency and Inconsistency in Data-centric Applications, Springer

Year:

Research area:

Improving Collaborative Filtering's Rating Prediction Quality by Considering Shifts in Rating Practices

Dionisis Margaris and Costas Vassilakis
Proceedings of the 19th IEEE International Conference on business informatics (CBI17)

Year:

Research area:

Improving Collaborative Filtering's Rating Prediction Quality in Dense Datasets, by Pruning Old Ratings

Dionisis Margaris and Costas Vassilakis
Proceedings of the 22nd IEEE Symposium on Computers and Communications (ISCC17)

Year:

Research area:

Query personalization using social network information and collaborative filtering techniques

Dionisis Margaris, Costas Vassilakis and Panagiotis Georgiadis
Future Generation of Computer Systems, Special Issue on Recommender Systems for Large-Scale Social Networks, 2017

Research area:

Service Oriented Architectures

CrossCult

Framework:	H2020
Duration:	2016-2019

Year:

2016

Project status:

Completed

Research area:

Visualization

Virtual reality & virtual museums

Recommendation Information Diffusion in Social Networks Considering User Influence and Semantics

Dionisis Margaris, Costas Vassilakis, and Panagiotis Georgiadis
Social Network Analysis and Mining, Springer, 6(1), pp. 1-22, 2016; DOI: 10.1007/s13278-016-0416-z

Year:

2016

Research area:

Knowledge-Based Leisure Time Recommendations in Social Networks

Dionisis Margaris, Costas Vassilakis, and Panayiotis Georgiadis
chapter in: Current Trends on Knowledge-Based Systems: Theory and Applications, to be published at January 2017

Year:

Research area:

e-government & e-commerce

E-tourism

Framework:	NSRF funding
Duration:	2012-2015
Description:	The project is mainly focused to the technology review, design and pilot implementation of innovative mobile services for the tourism sector. Research will focus in the area of Mobile and Web services for e-Tourism that combine:

Year:

2013

Project status:

Completed

Research area:

Spatiotemporal databases

Web Systems