C. Vassilakis

发表

Personalized augmented reality experiences in museums using Google Cardboards

Giorgos Lepouras, Costas Vassilakis, Manolis Wallace, 2017, 2017 12th International Workshop on Semantic and Social Media Adaptation and Personalization (SMAP).

Blockchain technologies for leveraging security and privacy

C. Vassilakis, 2019, Homo Virtualis.

Ontologies and the brain: Using spreading activation through ontologies to support personal interaction

Akrivi Katifori, Alan J. Dix, Costas Vassilakis, 2010, Cognitive Systems Research.

2020 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM) Neighbourhood Aging Factors for Limited Information Social Network Collaborative Filtering

C. Vassilakis, D. Spiliotopoulos, Dionisis Margaris, 2020 .

An integrated framework for QoS-based adaptation and exception resolution in WS-BPEL scenarios

Panagiotis Georgiadis, Dionisis Margaris, Costas Vassilakis, 2013, SAC '13.

Adaptive Virtual Reality Museums on the Web

C. Vassilakis, G. Lepouras, 2005 .

Adaptive Virtual Reality Museums on the Web

Costas Vassilakis, George Lepouras, C. Vassilakis, 2005 .

An integrated framework for QoS-based adaptation and exception resolution in WS-BPEL scenarios

C. Vassilakis, P. Georgiadis, Dionisis Margaris, 2013, SAC '13.

Methodology for Design of Online Exhibitions

Costas Vassilakis, George Lepouras, Angeliki Antoniou, 2013 .

The Effects of Logistics Websites’ Technical Factors on the Optimization of Digital Marketing Strategies and Corporate Brand Name

Marina C. Terzi, D. Sakas, P. Trivellas, 2022, Processes.

Real exhibitions in a virtual museum

Akrivi Katifori, Giorgos Lepouras, Costas Vassilakis, 2004, Virtual Reality.

REUSABILITY IN ELECTRONIC SERVICES DEVELOPMENT

C. Vassilakis, 2006 .

An Object-oriented Data Model for Hypermedia Systems 3. Hypermedia Systems, Characteristics and Requirements 4. Comparison of Design Methodologies against Hypermedia Systems Requirements 5. Object-oriented Design for Hypermedia Systems 5.1. Class Hierarchy Description

M. Vazirgiannis, C. Vassilakis, D. Gouscos, 2002 .

A Trust Management System for the IoT domain

C. Vassilakis, N. Kolokotronis, Christos-Minas Mathas, 2020, 2020 IEEE World Congress on Services (SERVICES).

On Producing Accurate Rating Predictions in Sparse Collaborative Filtering Datasets

C. Vassilakis, D. Spiliotopoulos, Dionisis Margaris, 2022, Inf..

Content Enrichment Through Dynamic Annotation

George R. S. Weir, Giorgos Lepouras, Costas Vassilakis, 2004, ICEIS.

Component reuse in electronic services development

Giorgos Lepouras, Costas Vassilakis, George Lepouras, 2006, J. Comput. Methods Sci. Eng..

On Recommending Safe Travel Periods to High Attack Risk Destinations

C. Vassilakis, D. Spiliotopoulos, Dionisis Margaris, 2020, 2020 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM).

The Personality of the Influencers, the Characteristics of Qualitative Discussions and Their Analysis for Recommendations to Cultural Institutions

Angeliki Antoniou, Manolis Wallace, C. Vassilakis, 2018, Heritage.

Exploiting Internet of Things information to enhance venues’ recommendation accuracy

Dionisis Margaris, Costas Vassilakis, C. Vassilakis, 2017, Service Oriented Computing and Applications.

Context management for m-commerce applications: determinants, methodology and the role of marketing

Adam P. Vrechopoulos, C. Vassilakis, P. Benou, 2012, Information Technology and Management.

Citizen Engagement for Transparent and Accountable Policy Modelling

Costas Vassilakis, Dionisis Margaris, Dimitris Spiliotopoulos, 2019, MEDES.

Data-driven Country Safety Monitoring Terrorist Attack Prediction

Costas Vassilakis, Dionisis Margaris, Dimitris Spiliotopoulos, 2019, 2019 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM).

Spreading Activation over Ontology-Based Resources: from Personal Context to Web Scale Reasoning

Akrivi Katifori, Alan J. Dix, Giorgos Lepouras, 2010, Int. J. Semantic Comput..

From the web of data to a world of action

Akrivi Katifori, Tiziana Catarci, Alan J. Dix, 2010, J. Web Semant..

A collaborative filtering algorithm with clustering for personalized web service selection in business processes

Panagiotis Georgiadis, Dionisis Margaris, Costas Vassilakis, 2015, 2015 IEEE 9th International Conference on Research Challenges in Information Science (RCIS).

Adapting WS-BPEL scenario execution using collaborative filtering techniques

Panagiotis Georgiadis, Dionisis Margaris, Costas Vassilakis, 2013, IEEE 7th International Conference on Research Challenges in Information Science (RCIS).

Serious Games: Valuable Tools for Cultural Heritage

Giorgos Lepouras, Costas Vassilakis, Manolis Wallace, 2016, GALA.

Human behaviour in multimodal interaction: main effects of civic action and interpersonal and problem-solving skills

Costas Vassilakis, Dionisis Margaris, Dimitris Spiliotopoulos, 2020, J. Ambient Intell. Humaniz. Comput..

Wikis in enterprise settings: a survey

Giorgos Lepouras, Costas Vassilakis, Ioanna Lykourentzou, 2012, Enterp. Inf. Syst..

Improving Collaborative Filtering’s Rating Prediction Quality by Exploiting the Item Adoption Eagerness Information

Dionisis Margaris, Costas Vassilakis, Dimitris Spiliotopoulos, 2019, 2019 IEEE/WIC/ACM International Conference on Web Intelligence (WI).

Evaluation of Apache Spot's machine learning capabilities in an SDN/NFV enabled environment

Olga E. Segou, Costas Vassilakis, Anastasios Kourtis, 2018, ARES.

Multichannel Digital Marketing Optimizations through Big Data Analytics in the Tourism and Hospitality Industry

Marina C. Terzi, D. Sakas, C. Vassilakis, 2022, J. Theor. Appl. Electron. Commer. Res..

MOOC Accessibility from the Educator Perspective

Vassilis Poulopoulos, Costas Vassilakis, Dionisis Margaris, 2020, HCI.

A framework for managing the lifecycle of transactional e-government services

Panagiotis Georgiadis, Giorgos Lepouras, Costas Vassilakis, 2003, Telematics Informatics.

A fine-grained social network recommender system

Sotiris Ioannidis, Dionisis Margaris, Costas Vassilakis, 2019, Social Network Analysis and Mining.

Examining the use of STEAM Education in Preschool Education

Manolis Wallace, C. Vassilakis, V. Poulopoulos, 2020, European Journal of Engineering Research and Science.

Social Relations versus Near Neighbours: Reliable Recommenders in Limited Information Social Network Collaborative Filtering for Online Advertising

Costas Vassilakis, Dionisis Margaris, Dimitris Spiliotopoulos, 2019, 2019 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM).

Exploiting Rating Abstention Intervals for Addressing Concept Drift in Social Network Recommender Systems

Dionisis Margaris, Costas Vassilakis, C. Vassilakis, 2018, Informatics.

Tailorability in the Context of E-Government Information Systems:

Costas Vassilakis, George Lepouras, Anya Sotiropoulou, 2004 .

Distributed information systems tailorability: a component approach

Costas Vassilakis, Anya Sotiropoulou, Dimitrios Theotokis, 1999, Proceedings 7th IEEE Workshop on Future Trends of Distributed Computing Systems.

What makes a review a reliable rating in recommender systems?

Costas Vassilakis, Dionisis Margaris, Dimitris Spiliotopoulos, 2020, Inf. Process. Manag..

An Interface for User-Centred Process and Correlation Between Large Datasets

Vassilis Poulopoulos, Dionisis Margaris, Costas Vassilakis, 2021, HCI.

A hybrid framework for WS-BPEL scenario execution adaptation, using monitoring and feedback data

C. Vassilakis, P. Georgiadis, Dionisis Margaris, 2015, SAC.

Towards a learning analytics platform for supporting the educational process

Akrivi Katifori, Giorgos Lepouras, Costas Vassilakis, 2014, IISA 2014, The 5th International Conference on Information, Intelligence, Systems and Applications.

Modelling and performance study of finite-buffered blocking multistage interconnection networks supporting natively 2-class priority routing traffic

Costas Vassilakis, Dimitris C. Vasiliadis, George E. Rizos, 2013, J. Netw. Comput. Appl..

Performance Analysis of Multilayered Multipriority Asymmetric-Sized Delta Networks

Costas Vassilakis, Dimitris C. Vasiliadis, George E. Rizos, 2011, J. Comput. Networks Commun..

Performance Analysis of Dual-Priority Multilayer Multistage Interconnection Networks under Multicast Environment

Costas Vassilakis, Dimitris C. Vasiliadis, George E. Rizos, 2011, J. Networks.

Performance Study of Multilayered Multistage Interconnection Networks under Hotspot Traffic Conditions

Costas Vassilakis, Dimitris C. Vasiliadis, George E. Rizos, 2010, J. Comput. Networks Commun..

A distributed recommender system architecture

Costas Vassilakis, Panagiotis Giannikopoulos, C. Vassilakis, 2012, Int. J. Web Eng. Technol..

Context management for m-commerce applications: determinants, methodology and the role of marketing

Costas Vassilakis, Adam P. Vrechopoulos, Poulcheria Benou, 2012, Information Technology and Management.

On the Design of IoT Security: Analysis of Software Vulnerabilities for Smart Grids

Costas Vassilakis, Nicholas Kolokotronis, Michail-Alexandros Kourtis, 2021 .

Modelling and performance evaluation of a novel internal-priority routing scheme for finite-buffered multistage interconnection networks

Euripidis Glavas, Costas Vassilakis, Dimitris C. Vasiliadis, 2011, Int. J. Parallel Emergent Distributed Syst..

Performance Evaluation of Two-Priority Network Schema for Single-Buffered Delta Networks

Euripidis Glavas, Costas Vassilakis, Dimitris C. Vasiliadis, 2007, 2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications.

Augmenting Black Sheep Neighbour Importance for Enhancing Rating Prediction Accuracy in Collaborative Filtering

C. Vassilakis, D. Spiliotopoulos, Dionisis Margaris, 2021, Applied Sciences.

An Algorithm for Density Enrichment of Sparse Collaborative Filtering Datasets Using Robust Predictions as Derived Ratings

Costas Vassilakis, Gregory Karagiorgos, Dionisis Margaris, 2020, Algorithms.

Improving collaborative filtering's rating prediction coverage in sparse datasets by exploiting the 'friend of a friend' concept

Dionisis Margaris, Costas Vassilakis, C. Vassilakis, 2020, Int. J. Big Data Intell..

Virtual museums for all: employing game technology for edutainment

Giorgos Lepouras, Costas Vassilakis, George Lepouras, 2004, Virtual Reality.

Ontology visualization methods—a survey

Akrivi Katifori, Giorgos Lepouras, Costas Vassilakis, 2007, CSUR.

On Addressing the Low Rating Prediction Coverage in Sparse Datasets Using Virtual Ratings

Dionisis Margaris, Costas Vassilakis, Gregory Karagiorgos, 2021, SN Computer Science.

Improving collaborative filtering’s rating prediction accuracy by introducing the experiencing period criterion

Costas Vassilakis, Dionisis Margaris, Dionysios Vasilopoulos, 2020, Neural Computing and Applications.

Improving Collaborative Filtering’s Rating Prediction Accuracy by Introducing the Common Item Rating Past Criterion

Costas Vassilakis, Dionisis Margaris, Dionysios Vasilopoulos, 2019, 2019 10th International Conference on Information, Intelligence, Systems and Applications (IISA).

Improving Collaborative Filtering's Rating Prediction Accuracy by Considering Users' Rating Variability

Dionisis Margaris, Costas Vassilakis, C. Vassilakis, 2018, 2018 IEEE 16th Intl Conf on Dependable, Autonomic and Secure Computing, 16th Intl Conf on Pervasive Intelligence and Computing, 4th Intl Conf on Big Data Intelligence and Computing and Cyber Science and Technology Congress(DASC/PiCom/DataCom/CyberSciTech).

Using Time Clusters for Following Users' Shifts in Rating Practices

Dionisis Margaris, Costas Vassilakis, C. Vassilakis, 2017, Complex Syst. Informatics Model. Q..

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

Dionisis Margaris, Costas Vassilakis, C. Vassilakis, 2017, 2017 IEEE 19th Conference on Business Informatics (CBI).

Identifying Reliable Recommenders in Users’ Collaborating Filtering and Social Neighbourhoods

C. Vassilakis, D. Spiliotopoulos, Dionisis Margaris, 2021, Lecture Notes in Social Networks.

Enhancing Rating Prediction Quality Through Improving the Accuracy of Detection of Shifts in Rating Practices

Dionisis Margaris, Costas Vassilakis, C. Vassilakis, 2018, Trans. Large Scale Data Knowl. Centered Syst..

Enhancing User Rating Database Consistency Through Pruning

Dionisis Margaris, Costas Vassilakis, C. Vassilakis, 2017, Trans. Large Scale Data Knowl. Centered Syst..

Threat landscape for smart grid systems

Costas Vassilakis, Nicholas Kolokotronis, Konstantinos-Panagiotis Grammatikakis, 2020, ARES.

Bringing a peripheral, traditional venue to the digital era with targeted narratives

Giorgos Lepouras, Costas Vassilakis, Martín López Nores, 2019, Digit. Appl. Archaeol. Cult. Heritage.

exhiSTORY: Smart exhibits that tell their own stories

Vassilis Poulopoulos, Giorgos Lepouras, Costas Vassilakis, 2018, Future Gener. Comput. Syst..

Creating an Ontology for the User Profile: Method and Applications

Akrivi Katifori, Giorgos Lepouras, Costas Vassilakis, 2007, RCIS.

Recommendation information diffusion in social networks considering user influence and semantics

C. Vassilakis, P. Georgiadis, Dionisis Margaris, 2016, Social Network Analysis and Mining.

Handling uncertainty in social media textual information for improving venue recommendation formulation quality in social networks

C. Vassilakis, D. Spiliotopoulos, Dionisis Margaris, 2019, Social Network Analysis and Mining.

Improving collaborative filtering's rating prediction quality in dense datasets, by pruning old ratings

Dionisis Margaris, Costas Vassilakis, C. Vassilakis, 2017, 2017 IEEE Symposium on Computers and Communications (ISCC).

Query personalization using social network information and collaborative filtering techniques

Panagiotis Georgiadis, Dionisis Margaris, Costas Vassilakis, 2018, Future Gener. Comput. Syst..

Knowledge-Based Leisure Time Recommendations in Social Networks

Panagiotis Georgiadis, Dionisis Margaris, Costas Vassilakis, 2017 .

Spreading Activation for Web Scale Reasoning:Promise and Problems

Akrivi Katifori, Giorgos Lepouras, Costas Vassilakis, 2011 .

A Semantic Mixed Reality Framework for Shared Cultural Experiences Ecosystems

Dionisis Margaris, Costas Vassilakis, George A. Vouros, 2020, Big Data Cogn. Comput..

A Mixed-reality Interaction-driven Game-based Learning Framework

Costas Vassilakis, Konstantinos Kotis, Volha Petukhova, 2019, MEDES.

Historical Archive Ontologies Requirements, Modeling and Visualization

Akrivi Katifori, Giorgos Lepouras, Costas Vassilakis, 2007, RCIS.

Adaptive Virtual Reality Shopping Malls

Costas Vassilakis, George Lepouras, C. Vassilakis, 2006 .

Using social media to stimulate history reflection in cultural heritage

Giorgos Lepouras, Costas Vassilakis, Manolis Wallace, 2016, 2016 11th International Workshop on Semantic and Social Media Adaptation and Personalization (SMAP).

Class-based weighted fair queuing scheduling on quad-priority Delta Networks

Costas Vassilakis, Dimitris C. Vasiliadis, George E. Rizos, 2012, Int. J. Parallel Emergent Distributed Syst..

Class-Based Weighted Fair Queuing Scheduling on Dual-Priority Delta Networks

Costas Vassilakis, Dimitris C. Vasiliadis, George E. Rizos, 2012, J. Comput. Networks Commun..

Ontology for E-Government Public Services

Costas Vassilakis, George Lepouras, C. Vassilakis, 2006 .

"Talking" Triples to Museum Chatbots

Costas Vassilakis, Konstantinos Kotis, Dionisis Margaris, 2020, HCI.

Historical research in archives: user methodology and supporting tools

Akrivi Katifori, Giorgos Lepouras, Costas Vassilakis, 2010, International Journal on Digital Libraries.

An optimisation scheme for coalesce/valid time selection operator sequences

Costas Vassilakis, C. Vassilakis, 2000, SGMD.

Implementation of Transaction and Concurrency Control Support in a Temporal DBMS

Panagiotis Georgiadis, Costas Vassilakis, Nikos A. Lorentzos, 1998, Inf. Syst..

Improving Collaborative Filtering's Rating Prediction Coverage in Sparse Datasets by Exploiting User Dissimilarity

Pruning and aging for user histories in collaborative filtering

Dionisis Margaris, Costas Vassilakis, C. Vassilakis, 2016, 2016 IEEE Symposium Series on Computational Intelligence (SSCI).

A knowledge-based approach for developing multi-channel e-government services

Giorgos Lepouras, Costas Vassilakis, Constantin Halatsis, 2007, Electron. Commer. Res. Appl..

Towards a methodological framework for the cognitive-behavioural evaluation of educational e-games

Giorgos Lepouras, Costas Vassilakis, Angeliki Antoniou, 2011, Int. J. Learn. Technol..

Web Service Execution Streamlining

A. Katifori, C. Vassilakis, G. Lepouras, 2006, 2006 International Conference on Service Systems and Service Management.

Multimodal Interaction: Correlates of Learners' Metacognitive Skill Training Negotiation Experience

Costas Vassilakis, Dionisis Margaris, Dimitris Spiliotopoulos, 2020, Inf..

Rating Prediction Quality Enhancement in Low-Density Collaborative Filtering Datasets

Stefanos Ougiaroglou, C. Vassilakis, D. Spiliotopoulos, 2023, Big Data Cogn. Comput..

Improving Collaborative Filtering’s Rating Prediction Coverage in Sparse Datasets through the Introduction of Virtual Near Neighbors

Costas Vassilakis, Dionisis Margaris, Dionysios Vasilopoulos, 2019, 2019 10th International Conference on Information, Intelligence, Systems and Applications (IISA).

Experimental results for considering Virtual Near Neighbors in Collaborative Filtering’s Rating Prediction

C. Vassilakis, D. Spiliotopoulos, Dionisis Margaris, 2019 .

Barriers to Electronic Service Development

Panagiotis Georgiadis, Costas Vassilakis, George Lepouras, 2005 .

Routing and Performance Evaluation of Dual Priority Delta Networks under Hotspot Environment

G. E. Rizos, D. C. Vasiliadis, C. Vassilakis, 2009, 2009 First International Conference on Advances in Future Internet.

Performance Evaluation of Multicast Routing over Multilayer Multistage Interconnection Networks

Euripidis Glavas, Costas Vassilakis, Dimitris C. Vasiliadis, 2009, 2009 Fifth Advanced International Conference on Telecommunications.

Routing and Performance Analysis of Double-Buffered Omega Networks Supporting Multi-class Priority Traffic

Euripidis Glavas, Costas Vassilakis, Dimitris C. Vasiliadis, 2008, 2008 Third International Conference on Systems and Networks Communications.

Improving Performance of Finite-Buffered Blocking Delta Networks with 2-Class Priority Routing through Asymmetric-Sized Buffer Queues

Costas Vassilakis, Dimitris C. Vasiliadis, George E. Rizos, 2008, 2008 Fourth Advanced International Conference on Telecommunications.

The Role of Priority Mechanisms on Performance Metrics of Double‐Buffered Switching Elements

Costas Vassilakis, G. E. Rizos, D. C. Vasiliadis, 2008 .

Performance Analysis of dual priority single-buffered blocking Multistage Interconnection Networks

Costas Vassilakis, Dimitris C. Vasiliadis, George E. Rizos, 2007, International Conference on Networking and Services (ICNS '07).

Performance Analysis of blocking Banyan Switches

Costas Vassilakis, G. E. Rizos, D. C. Vasiliadis, 2007 .

Hydria: An Online Data Lake for Multi-Faceted Analytics in the Cultural Heritage Domain

Costas Vassilakis, Christos Tryfonopoulos, Paraskevi Raftopoulou, 2020, Big Data Cogn. Comput..

On Exploiting Rating Prediction Accuracy Features in Dense Collaborative Filtering Datasets

C. Vassilakis, D. Spiliotopoulos, Dionisis Margaris, 2022, Inf..

An Adaptive Social Network-Aware Collaborative Filtering Algorithm for Improved Rating Prediction Accuracy

Costas Vassilakis, Anna Kobusińska, Dionisis Margaris, 2020, IEEE Access.

Handling uncertainty in social media textual information for improving venue recommendation formulation quality in social networks

Dionisis Margaris, Costas Vassilakis, Dimitris Spiliotopoulos, 2019, Social Network Analysis and Mining.

An integrated framework for adapting WS-BPEL scenario execution using QoS and collaborative filtering techniques

Panagiotis Georgiadis, Dionisis Margaris, Costas Vassilakis, 2015, Sci. Comput. Program..

Safe Travelling Period Recommendation to High Attack Risk European Destinations Based on Past Attack Information

C. Vassilakis, D. Spiliotopoulos, Dionisis Margaris, 2021, Lecture Notes in Social Networks.

Making recommendations in Social Networks based on textual reviews : a confidence-based approach

C. Vassilakis, 2019 .

First Grade GPA as a Predictor of Later Academic Performance in High School

Manolis Wallace, C. Vassilakis, N. Platis, 2023, Knowledge.

Performance Evaluation of Distance Vector Routing Protocol on a Wireless Circular Model

Costas Vassilakis, G. E. Rizos, D. C. Vasiliadis, 2008 .

The conceptual model of context for mobile commerce applications

Costas Vassilakis, Poulcheria Benou, C. Vassilakis, 2010, Electron. Commer. Res..

A comparative study of temporal DBMS architectures

Panagiotis Georgiadis, Costas Vassilakis, Anya Sotiropoulou, 1996, Proceedings of 7th International Conference and Workshop on Database and Expert Systems Applications: DEXA 96.

Function Oriented History Representation in Databases

László Kovács, Costas Vassilakis, C. Vassilakis, 2000, Comput. Artif. Intell..

Temporal Extension to ODMG

Costas Vassilakis, Michael Souillard, Anya Sotiropoulou, 1998, IADT.