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ORCIDDionisis Margaris
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2020 – today
- 2024
[j32]Dionisis Margaris
, Kiriakos Sgardelis, Dimitris Spiliotopoulos, Costas Vassilakis:
Exploiting Rating Prediction Certainty for Recommendation Formulation in Collaborative Filtering. Big Data Cogn. Comput. 8(6): 53 (2024)- [j31]Fotis Assimakopoulos, Costas Vassilakis, Dionisis Margaris, Konstantinos Kotis, Dimitris Spiliotopoulos:
The Implementation of "Smart" Technologies in the Agricultural Sector: A Review. Inf. 15(8): 466 (2024) - [c39]Ioannis Dionissopoulos, Fotis Assimakopoulos, Dimitris Spiliotopoulos, Dionisis Margaris, Costas Vassilakis:
Predicting Agricultural Product and Supplies Prices Using Artificial Intelligence. KMIS 2024: 371-379 - [c38]Kiriakos Sgardelis, Dionisis Margaris, Dimitris Spiliotopoulos, Costas Vassilakis, Stefanos Ougiaroglou:
Improving Recommendation Quality in Collaborative Filtering by Including Prediction Confidence Factors. WEBIST 2024: 372-379 - 2023
- [j30]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): 339 (2023) - [j29]Dionisis Margaris, Costas Vassilakis, Dimitris Spiliotopoulos, Stefanos Ougiaroglou:
Rating Prediction Quality Enhancement in Low-Density Collaborative Filtering Datasets. Big Data Cogn. Comput. 7(2): 59 (2023) - [j28]Dimitris Koryzis, Dionisis Margaris, Costas Vassilakis, Konstantinos Kotis, Dimitris Spiliotopoulos:
Disruptive Technologies for Parliaments: A Literature Review. Future Internet 15(2): 66 (2023) - [j27]Konstantinos Gratsos, Stefanos Ougiaroglou, Dionisis Margaris:
kClusterHub: An AutoML-Driven Tool for Effortless Partition-Based Clustering over Varied Data Types. Future Internet 15(10): 341 (2023) - [j26]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): 193-210 (2023) - [c37]Konstantinos Gratsos, Stefanos Ougiaroglou, Dionisis Margaris:
A Web Tool for K-means Clustering. NiDS (1) 2023: 91-101 - [c36]Kiriakos Sgardelis, Dionisis Margaris, Dimitris Spiliotopoulos, Costas Vassilakis:
A User Interface for Tuning QoS Parameters in Recommendation-Based Business Process Scenario Adaptation. WEBIST 2023: 414-421 - 2022
- [j25]Dionisis Margaris, Costas Vassilakis, Dimitris Spiliotopoulos:
On Producing Accurate Rating Predictions in Sparse Collaborative Filtering Datasets. Inf. 13(6): 302 (2022) - [j24]Dimitris Spiliotopoulos, Dionisis Margaris, Costas Vassilakis:
On Exploiting Rating Prediction Accuracy Features in Dense Collaborative Filtering Datasets. Inf. 13(9): 428 (2022) - [j23]Stefanos Ougiaroglou, Theodoros Mastromanolis, Georgios Evangelidis, Dionisis Margaris:
Fast Training Set Size Reduction Using Simple Space Partitioning Algorithms. Inf. 13(12): 572 (2022) - [c35]Panagiotis C. Kokkinos, Dionisis Margaris, Dimitris Spiliotopoulos:
A Quality of Experience Illustrator User Interface for Cloud Provider Recommendations. HCI (37) 2022: 308-315 - [c34]Dionisis Margaris, Dimitris Spiliotopoulos, Costas Vassilakis:
Anchoring Effect Mitigation for Complex Recommender System Design. HCI (41) 2022: 424-436 - [c33]Dimitris Spiliotopoulos, Dionisis Margaris, Kostas N. Koutrakis, Panos I. Philippopoulos, Costas Vassilakis:
Persona Finetuning for Online Gaming Using Personalisation Techniques. HCI (42) 2022: 656-668 - 2021
- [j22]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): 255 (2021) - [c32]Dionisis Margaris, Dimitris Spiliotopoulos, Dionysios Vasilopoulos, Costas Vassilakis:
A User Interface for Personalising WS-BPEL Scenarios. HCI (22) 2021: 399-416 - [c31]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: 477-494 - [c30]Anna Kobusinska, Dionisis Margaris, Jakub Peikert:
Trust- and Rating- based Recommendations for On-line Social Networks. ICCCN 2021: 1-11 - 2020
- [j21]Dionisis Margaris, Anna Kobusinska, Dimitris Spiliotopoulos, Costas Vassilakis:
An Adaptive Social Network-Aware Collaborative Filtering Algorithm for Improved Rating Prediction Accuracy. IEEE Access 8: 68301-68310 (2020) - [j20]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): 174 (2020) - [j19]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): 6 (2020) - [j18]Dimitris Spiliotopoulos, Dionisis Margaris, Costas Vassilakis:
Data-Assisted Persona Construction Using Social Media Data. Big Data Cogn. Comput. 4(3): 21 (2020) - [j17]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): 47-57 (2020) - [j16]Dionisis Margaris, Costas Vassilakis:
Improving collaborative filtering's rating prediction accuracy by considering users' dynamic rating variability. Int. J. Big Data Intell. 7(2): 59-71 (2020) - [j15]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): 307-332 (2020) - [j14]Dimitris Spiliotopoulos, Eleni Makri, Costas Vassilakis, Dionisis Margaris:
Multimodal Interaction: Correlates of Learners' Metacognitive Skill Training Negotiation Experience. Inf. 11(8): 381 (2020) - [j13]Dionisis Margaris, Costas Vassilakis, Dimitris Spiliotopoulos:
What makes a review a reliable rating in recommender systems? Inf. Process. Manag. 57(6): 102304 (2020) - [j12]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): 5991-6006 (2020) - [j11]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): 8 (2020) - [c29]Dimitris Spiliotopoulos, Costas Vassilakis, Dionisis Margaris:
On Recommending Safe Travel Periods to High Attack Risk Destinations. ASONAM 2020: 854-861 - [c28]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: 870-876 - [c27]Dionisis Margaris, Dimitris Spiliotopoulos, Costas Vassilakis:
Neighbourhood Aging Factors for Limited Information Social Network Collaborative Filtering. ASONAM 2020: 877-883 - [c26]Dimitris Spiliotopoulos, Vassilis Poulopoulos, Dionisis Margaris, Eleni Makri, Costas Vassilakis:
MOOC Accessibility from the Educator Perspective. HCI (44) 2020: 114-125 - [c25]Dimitris Spiliotopoulos, Konstantinos Kotis, Costas Vassilakis, Dionisis Margaris:
Semantics-Driven Conversational Interfaces for Museum Chatbots. HCI (35) 2020: 255-266 - [c24]Savvas Varitimiadis, Konstantinos Kotis, Dimitris Spiliotopoulos, Costas Vassilakis, Dionisis Margaris:
"Talking" Triples to Museum Chatbots. HCI (35) 2020: 281-299 - [c23]Dimitris Koryzis, Fotios Fitsilis, Dimitris Spiliotopoulos, Theocharis Theocharopoulos, Dionisis Margaris, Costas Vassilakis:
Policy Making Analysis and Practitioner User Experience. HCI (41) 2020: 415-431 - [c22]Dionisis Margaris, Dimitris Spiliotopoulos, Costas Vassilakis, Gregory Karagiorgos:
A User Interface for Personalized Web Service Selection in Business Processes. HCI (45) 2020: 560-573
2010 – 2019
- 2019
- [j10]Costas Vassilakis, Dionisis Margaris:
Editorial for the Special Issue on "Modern Recommender Systems: Approaches, Challenges and Applications". Inf. 10(7): 230 (2019) - [j9]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): 64:1-64:19 (2019) - [c21]Dimitris Spiliotopoulos, Costas Vassilakis, Dionisis Margaris:
Data-driven country safety monitoring terrorist attack prediction. ASONAM 2019: 1128-1135 - [c20]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: 1160-1167 - [c19]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: 1-8 - [c18]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: 1-8 - [c17]Dimitris Spiliotopoulos, Costas Vassilakis, Dionisis Margaris, Konstantinos Kotis:
A Methodology for Generated Text Annotation for High Quality Speech Synthesis. IISA 2019: 1-8 - [c16]Dimitris Spiliotopoulos, Dionisis Margaris, Costas Vassilakis:
Citizen Engagement for Transparent and Accountable Policy Modelling. MEDES 2019: 158-165 - [c15]Dimitris Spiliotopoulos, Dionisis Margaris, Costas Vassilakis, Volha Petukhova, Konstantinos Kotis:
A Mixed-reality Interaction-driven Game-based Learning Framework. MEDES 2019: 229-236 - [c14]Anna Kobusinska, Michal Boron, Aleksandra Kerebinska, Dionisis Margaris:
Exploiting Recommender Service to Enhance Efficiency of Replication. SOCA 2019: 64-72 - [c13]Dionisis Margaris, Dimitris Spiliotopoulos, Costas Vassilakis:
Improving Collaborative Filtering's Rating Prediction Quality by Exploiting the Item Adoption Eagerness Information. WI 2019: 342-347 - 2018
- [j8]Dionisis Margaris, Costas Vassilakis, Panagiotis Georgiadis:
Query personalization using social network information and collaborative filtering techniques. Future Gener. Comput. Syst. 78: 440-450 (2018) - [j7]Dionisis Margaris, Costas Vassilakis:
Exploiting Rating Abstention Intervals for Addressing Concept Drift in Social Network Recommender Systems. Informatics 5(2): 21 (2018) - [j6]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: 151-191 (2018) - [c12]Dionisis Margaris, Costas Vassilakis:
Improving Collaborative Filtering's Rating Prediction Accuracy by Considering Users' Rating Variability. DASC/PiCom/DataCom/CyberSciTech 2018: 1022-1027 - [c11]Dionisis Margaris, Costas Vassilakis:
Improving Collaborative Filtering's Rating Prediction Coverage in Sparse Datasets by Exploiting User Dissimilarity. DASC/PiCom/DataCom/CyberSciTech 2018: 1054-1059 - 2017
- [j5]Dionisis Margaris, Costas Vassilakis:
Using Time Clusters for Following Users' Shifts in Rating Practices. Complex Syst. Informatics Model. Q. 13: 22-42 (2017) - [j4]Dionisis Margaris, Costas Vassilakis:
Exploiting Internet of Things information to enhance venues' recommendation accuracy. Serv. Oriented Comput. Appl. 11(4): 393-409 (2017) - [j3]Dionisis Margaris, Costas Vassilakis:
Enhancing User Rating Database Consistency Through Pruning. Trans. Large Scale Data Knowl. Centered Syst. 34: 33-64 (2017) - [c10]Dionisis Margaris, Costas Vassilakis:
Improving collaborative filtering's rating prediction quality in dense datasets, by pruning old ratings. ISCC 2017: 1168-1174 - [c9]Dionisis Margaris, Costas Vassilakis:
Improving Collaborative Filtering's Rating Prediction Quality by Considering Shifts in Rating Practices. CBI (1) 2017: 158-166 - 2016
- [j2]Dionisis Margaris, Costas Vassilakis, Panagiotis Georgiadis:
Recommendation information diffusion in social networks considering user influence and semantics. Soc. Netw. Anal. Min. 6(1): 108:1-108:22 (2016) - [c8]Dionisis Margaris, Costas Vassilakis, Panagiotis Georgiadis:
Improving QoS delivered by WS-BPEL scenario adaptation through service execution parallelization. SAC 2016: 1590-1596 - [c7]Dionisis Margaris, Costas Vassilakis:
Pruning and aging for user histories in collaborative filtering. SSCI 2016: 1-8 - 2015
- [j1]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: 707-734 (2015) - [c6]Dionisis Margaris, Panagiotis Georgiadis, Costas Vassilakis:
A collaborative filtering algorithm with clustering for personalized web service selection in business processes. RCIS 2015: 169-180 - [c5]Dionisis Margaris, Costas Vassilakis, Panagiotis Georgiadis:
A hybrid framework for WS-BPEL scenario execution adaptation, using monitoring and feedback data. SAC 2015: 1672-1679 - [c4]Dionisis Margaris, Panagiotis Georgiadis, Costas Vassilakis:
On Replacement Service Selection in WS-BPEL Scenario Adaptation. SOCA 2015: 10-17 - 2013
- [c3]Dionisis Margaris, Panagiotis Georgiadis, Costas Vassilakis:
Adapting WS-BPEL scenario execution using collaborative filtering techniques. RCIS 2013: 1-11 - [c2]Dionisis Margaris, Costas Vassilakis, Panagiotis Georgiadis:
An integrated framework for QoS-based adaptation and exception resolution in WS-BPEL scenarios. SAC 2013: 1900-1906 - 2010
- [c1]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: 62-67
Coauthor Index
[j32] [j31] [c39] [c38] [j30] [j29] [j28] [j26] [c36] [j25] [j24] [c34] [c33] [j22] [c32] [c31] [j21] [j20] [j19] [j18] [j17] [j16] [j14] [j13] [j12] [j11] [c29] [c28] [c27] [c26] [c25] [c24] [c23] [c22] [j10] [j9] [c21] [c20] [c19] [c18] [c17] [c16] [c15] [c13] [j8] [j7] [j6] [c12] [c11] [j5] [j4] [j3] [c10] [c9] [j2] [c8] [c7] [j1] [c6] [c5] [c4] [c3] [c2]
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