Dionisis Margaris

Publication Activity (10 Years)

Years Active: 2010-2024
Publications (10 Years): 61

Top Topics

Business Process

Service Selection

Rating Prediction

Social Networks

Top Venues

Big Data Cogn. Comput.

Soc. Netw. Anal. Min.

Publications

Dionisis Margaris, Kiriakos Sgardelis, Dimitris Spiliotopoulos, Costas Vassilakis
Exploiting Rating Prediction Certainty for Recommendation Formulation in Collaborative Filtering. Big Data Cogn. Comput. 8 (6) (2024)
Dionisis Margaris, Dimitris Spiliotopoulos, Costas Vassilakis, Dionysios Vasilopoulos
Improving collaborative filtering's rating prediction accuracy by introducing the experiencing period criterion. Neural Comput. Appl. 35 (1) (2023)
Vasilis Bouras, Dimitris Spiliotopoulos, Dionisis Margaris, Costas Vassilakis, Konstantinos Kotis, Angeliki Antoniou, George Lepouras, Manolis Wallace, Vassilis Poulopoulos
Chatbots for Cultural Venues: A Topic-Based Approach. Algorithms 16 (7) (2023)
Dionisis Margaris, Costas Vassilakis, Dimitris Spiliotopoulos, Stefanos Ougiaroglou
Rating Prediction Quality Enhancement in Low-Density Collaborative Filtering Datasets. Big Data Cogn. Comput. 7 (2) (2023)
Konstantinos Gratsos, Stefanos Ougiaroglou, Dionisis Margaris
A Web Tool for K-means Clustering. NiDS (1) (2023)
Kiriakos Sgardelis, Dionisis Margaris, Dimitris Spiliotopoulos, Costas Vassilakis
A User Interface for Tuning QoS Parameters in Recommendation-Based Business Process Scenario Adaptation. WEBIST (2023)
Dimitris Koryzis, Dionisis Margaris, Costas Vassilakis, Konstantinos Kotis, Dimitris Spiliotopoulos
Disruptive Technologies for Parliaments: A Literature Review. Future Internet 15 (2) (2023)
Konstantinos Gratsos, Stefanos Ougiaroglou, Dionisis Margaris
kClusterHub: An AutoML-Driven Tool for Effortless Partition-Based Clustering over Varied Data Types. Future Internet 15 (10) (2023)
Dionisis Margaris, Costas Vassilakis, Dimitris Spiliotopoulos
On Producing Accurate Rating Predictions in Sparse Collaborative Filtering Datasets. Inf. 13 (6) (2022)
Dimitris Spiliotopoulos, Dionisis Margaris, Costas Vassilakis
On Exploiting Rating Prediction Accuracy Features in Dense Collaborative Filtering Datasets. Inf. 13 (9) (2022)
Dionisis Margaris, Dimitris Spiliotopoulos, Costas Vassilakis
Anchoring Effect Mitigation for Complex Recommender System Design. HCI (41) (2022)
Stefanos Ougiaroglou, Theodoros Mastromanolis, Georgios Evangelidis, Dionisis Margaris
Fast Training Set Size Reduction Using Simple Space Partitioning Algorithms. Inf. 13 (12) (2022)
Panagiotis C. Kokkinos, Dionisis Margaris, Dimitris Spiliotopoulos
A Quality of Experience Illustrator User Interface for Cloud Provider Recommendations. HCI (37) (2022)
Dimitris Spiliotopoulos, Dionisis Margaris, Kostas N. Koutrakis, Panos I. Philippopoulos, Costas Vassilakis
Persona Finetuning for Online Gaming Using Personalisation Techniques. HCI (42) (2022)
Anna Kobusinska, Dionisis Margaris, Jakub Peikert
Trust- and Rating- based Recommendations for On-line Social Networks. ICCCN (2021)
Dimitris Spiliotopoulos, Tauheodoros Giannakopoulos, Costas Vassilakis, Manolis Wallace, Marina Lantzouni, Vassilis Poulopoulos, Dionisis Margaris
An Interface for User-Centred Process and Correlation Between Large Datasets. HCI (18) (2021)
Dionisis Margaris, Dimitris Spiliotopoulos, Dionysios Vasilopoulos, Costas Vassilakis
A User Interface for Personalising WS-BPEL Scenarios. HCI (22) (2021)
Dionisis Margaris, Dimitris Spiliotopoulos, Gregory Karagiorgos, Costas Vassilakis, Dionysios Vasilopoulos
On Addressing the Low Rating Prediction Coverage in Sparse Datasets Using Virtual Ratings. SN Comput. Sci. 2 (4) (2021)
Dimitris Spiliotopoulos, Costas Vassilakis, Dionisis Margaris
On Recommending Safe Travel Periods to High Attack Risk Destinations. ASONAM (2020)
Markos Aivazoglou, Antonios O. Roussos, Dionisis Margaris, Costas Vassilakis, Sotiris Ioannidis, Jason Polakis, Dimitris Spiliotopoulos
A fine-grained social network recommender system. Soc. Netw. Anal. Min. 10 (1) (2020)
Dimitris Spiliotopoulos, Vassilis Poulopoulos, Dionisis Margaris, Eleni Makri, Costas Vassilakis
MOOC Accessibility from the Educator Perspective. HCI (44) (2020)
Dionisis Margaris, Costas Vassilakis
Improving collaborative filtering's rating prediction accuracy by considering users' dynamic rating variability. Int. J. Big Data Intell. 7 (2) (2020)
Dimitris Spiliotopoulos, Eleni Makri, Costas Vassilakis, Dionisis Margaris
Multimodal Interaction: Correlates of Learners' Metacognitive Skill Training Negotiation Experience. Inf. 11 (8) (2020)
Costas Vassilakis, Dimitra Maniataki, George Lepouras, Angeliki Antoniou, Dimitris Spiliotopoulos, Vassilis Poulopoulos, Manolis Wallace, Dionisis Margaris
Database Knowledge Enrichment Utilizing Trending Topics from Twitter. ASONAM (2020)
Dimitris Spiliotopoulos, Dionisis Margaris, Costas Vassilakis
Data-Assisted Persona Construction Using Social Media Data. Big Data Cogn. Comput. 4 (3) (2020)
Dimitris Koryzis, Fotios Fitsilis, Dimitris Spiliotopoulos, Theocharis Theocharopoulos, Dionisis Margaris, Costas Vassilakis
Policy Making Analysis and Practitioner User Experience. HCI (41) (2020)
Dimitris Spiliotopoulos, Konstantinos Kotis, Costas Vassilakis, Dionisis Margaris
Semantics-Driven Conversational Interfaces for Museum Chatbots. HCI (35) (2020)
Costas Vassilakis, Konstantinos Kotis, Dimitris Spiliotopoulos, Dionisis Margaris, Vlasios Kasapakis, Christos-Nikolaos Anagnostopoulos, Georgios M. Santipantakis, George A. Vouros, Theodore Kotsilieris, Volha Petukhova, Andrei Malchanau, Ioanna Lykourentzou, Kaj Michael Helin, Artem Revenko, Nenad Gligoric, Boris Pokric
A Semantic Mixed Reality Framework for Shared Cultural Experiences Ecosystems. Big Data Cogn. Comput. 4 (2) (2020)
Dionisis Margaris, Costas Vassilakis, Dimitris Spiliotopoulos
What makes a review a reliable rating in recommender systems? Inf. Process. Manag. 57 (6) (2020)
Eleni Makri, Dimitris Spiliotopoulos, Costas Vassilakis, Dionisis Margaris
Human behaviour in multimodal interaction: main effects of civic action and interpersonal and problem-solving skills. J. Ambient Intell. Humaniz. Comput. 11 (12) (2020)
Dionisis Margaris, Dimitris Spiliotopoulos, Costas Vassilakis, Gregory Karagiorgos
A User Interface for Personalized Web Service Selection in Business Processes. HCI (45) (2020)
Savvas Varitimiadis, Konstantinos Kotis, Dimitris Spiliotopoulos, Costas Vassilakis, Dionisis Margaris
"Talking" Triples to Museum Chatbots. HCI (35) (2020)
Dionisis Margaris, Dimitris Spiliotopoulos, Apostolos Kardiasmenos, Dimitrios Pantazopoulos
An integer programming-based algorithm for optimising the WS-BPEL scenario execution adaptation process. Int. J. Web Eng. Technol. 15 (3) (2020)
Dionisis Margaris, Dimitris Spiliotopoulos, Gregory Karagiorgos, Costas Vassilakis
An Algorithm for Density Enrichment of Sparse Collaborative Filtering Datasets Using Robust Predictions as Derived Ratings. Algorithms 13 (7) (2020)
Dionisis Margaris, Dimitris Spiliotopoulos, Costas Vassilakis
Neighbourhood Aging Factors for Limited Information Social Network Collaborative Filtering. ASONAM (2020)
Dionisis Margaris, Costas Vassilakis
Improving collaborative filtering's rating prediction coverage in sparse datasets by exploiting the 'friend of a friend' concept. Int. J. Big Data Intell. 7 (1) (2020)
Dionisis Margaris, Anna Kobusinska, Dimitris Spiliotopoulos, Costas Vassilakis
An Adaptive Social Network-Aware Collaborative Filtering Algorithm for Improved Rating Prediction Accuracy. IEEE Access 8 (2020)
Anna Kobusinska, Michal Boron, Aleksandra Kerebinska, Dionisis Margaris
Exploiting Recommender Service to Enhance Efficiency of Replication. SOCA (2019)
Dionisis Margaris, Costas Vassilakis, Dimitris Spiliotopoulos
Handling uncertainty in social media textual information for improving venue recommendation formulation quality in social networks. Soc. Netw. Anal. Min. 9 (1) (2019)
Dimitris Spiliotopoulos, Dionisis Margaris, Costas Vassilakis
Citizen Engagement for Transparent and Accountable Policy Modelling. MEDES (2019)
Dionisis Margaris, Dimitris Spiliotopoulos, Costas Vassilakis
Improving Collaborative Filtering's Rating Prediction Quality by Exploiting the Item Adoption Eagerness Information. WI (2019)
Costas Vassilakis, Dionisis Margaris
Editorial for the Special Issue on "Modern Recommender Systems: Approaches, Challenges and Applications". Inf. 10 (7) (2019)
Dionisis Margaris, Dionysios Vasilopoulos, Costas Vassilakis, Dimitris Spiliotopoulos
Improving Collaborative Filtering's Rating Prediction Accuracy by Introducing the Common Item Rating Past Criterion. IISA (2019)
Dionisis Margaris, Dimitris Spiliotopoulos, Costas Vassilakis
Social relations versus near neighbours: reliable recommenders in limited information social network collaborative filtering for online advertising. ASONAM (2019)
Dimitris Spiliotopoulos, Dionisis Margaris, Costas Vassilakis, Volha Petukhova, Konstantinos Kotis
A Mixed-reality Interaction-driven Game-based Learning Framework. MEDES (2019)
Dimitris Spiliotopoulos, Costas Vassilakis, Dionisis Margaris, Konstantinos Kotis
A Methodology for Generated Text Annotation for High Quality Speech Synthesis. IISA (2019)
Dimitris Spiliotopoulos, Costas Vassilakis, Dionisis Margaris
Data-driven country safety monitoring terrorist attack prediction. ASONAM (2019)
Dionisis Margaris, Dionysios Vasilopoulos, Costas Vassilakis, Dimitris Spiliotopoulos
Improving Collaborative Filtering's Rating Prediction Coverage in Sparse Datasets through the Introduction of Virtual Near Neighbors. IISA (2019)
Dionisis Margaris, Costas Vassilakis, Panagiotis Georgiadis
Query personalization using social network information and collaborative filtering techniques. Future Gener. Comput. Syst. 78 (2018)
Dionisis Margaris, Costas Vassilakis
Improving Collaborative Filtering's Rating Prediction Coverage in Sparse Datasets by Exploiting User Dissimilarity. DASC/PiCom/DataCom/CyberSciTech (2018)
Dionisis Margaris, Costas Vassilakis
Improving Collaborative Filtering's Rating Prediction Accuracy by Considering Users' Rating Variability. DASC/PiCom/DataCom/CyberSciTech (2018)
Dionisis Margaris, Costas Vassilakis
Enhancing Rating Prediction Quality Through Improving the Accuracy of Detection of Shifts in Rating Practices. Trans. Large Scale Data Knowl. Centered Syst. 37 (2018)
Dionisis Margaris, Costas Vassilakis
Exploiting Rating Abstention Intervals for Addressing Concept Drift in Social Network Recommender Systems. Informatics 5 (2) (2018)
Dionisis Margaris, Costas Vassilakis
Exploiting Internet of Things information to enhance venues' recommendation accuracy. Serv. Oriented Comput. Appl. 11 (4) (2017)
Dionisis Margaris, Costas Vassilakis
Improving collaborative filtering's rating prediction quality in dense datasets, by pruning old ratings. ISCC (2017)
Dionisis Margaris, Costas Vassilakis
Using Time Clusters for Following Users' Shifts in Rating Practices. Complex Syst. Informatics Model. Q. 13 (2017)
Dionisis Margaris, Costas Vassilakis
Enhancing User Rating Database Consistency Through Pruning. Trans. Large Scale Data Knowl. Centered Syst. 34 (2017)
Dionisis Margaris, Costas Vassilakis
Improving Collaborative Filtering's Rating Prediction Quality by Considering Shifts in Rating Practices. CBI (1) (2017)
Dionisis Margaris, Costas Vassilakis, Panagiotis Georgiadis
Improving QoS delivered by WS-BPEL scenario adaptation through service execution parallelization. SAC (2016)
Dionisis Margaris, Costas Vassilakis, Panagiotis Georgiadis
Recommendation information diffusion in social networks considering user influence and semantics. Soc. Netw. Anal. Min. 6 (1) (2016)
Dionisis Margaris, Costas Vassilakis
Pruning and aging for user histories in collaborative filtering. SSCI (2016)
Dionisis Margaris, Panagiotis Georgiadis, Costas Vassilakis
A collaborative filtering algorithm with clustering for personalized web service selection in business processes. RCIS (2015)
Dionisis Margaris, Costas Vassilakis, Panagiotis Georgiadis
An integrated framework for adapting WS-BPEL scenario execution using QoS and collaborative filtering techniques. Sci. Comput. Program. 98 (2015)
Dionisis Margaris, Panagiotis Georgiadis, Costas Vassilakis
On Replacement Service Selection in WS-BPEL Scenario Adaptation. SOCA (2015)
Dionisis Margaris, Costas Vassilakis, Panagiotis Georgiadis
A hybrid framework for WS-BPEL scenario execution adaptation, using monitoring and feedback data. SAC (2015)
Dionisis Margaris, Costas Vassilakis, Panagiotis Georgiadis
An integrated framework for QoS-based adaptation and exception resolution in WS-BPEL scenarios. SAC (2013)
Dionisis Margaris, Panagiotis Georgiadis, Costas Vassilakis
Adapting WS-BPEL scenario execution using collaborative filtering techniques. RCIS (2013)
Andreas Merentitis, Dionisis Margaris, Nektarios Kranitis, Antonis M. Paschalis, Dimitris Gizopoulos
SBST for on-line detection of hard faults in multiprocessor applications under energy constraints. IOLTS (2010)