Dimitris Spiliotopoulos

Publication Activity (10 Years)

Years Active: 2002-2024
Publications (10 Years): 51

Top Topics

Dialogue System

Ontology Engineering

Rating Prediction

Top Venues

Big Data Cogn. Comput.

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)
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)
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)
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)
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)
Sotiris Angelis, Konstantinos Kotis, Dimitris Spiliotopoulos
Semantic Trajectory Analytics and Recommender Systems in Cultural Spaces. Big Data Cogn. Comput. 5 (4) (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 Koryzis, Apostolos Dalas, Dimitris Spiliotopoulos, Fotios Fitsilis
ParlTech: Transformation Framework for the Digital Parliament. Big Data Cogn. Comput. 5 (1) (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)
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)
Pepi Stavropoulou, Dimitris Spiliotopoulos, Georgios Kouroupetroglou
Voice User Interfaces for Service Robots: Design Principles and Methodology. HCI (8) (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, Anna Kobusinska, Dimitris Spiliotopoulos, Costas Vassilakis
An Adaptive Social Network-Aware Collaborative Filtering Algorithm for Improved Rating Prediction Accuracy. IEEE Access 8 (2020)
Konstantinos I. Kotis, George A. Vouros, Dimitris Spiliotopoulos
Ontology engineering methodologies for the evolution of living and reused ontologies: status, trends, findings and recommendations. Knowl. Eng. Rev. 35 (2020)
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)
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)
Volha Petukhova, Andrei Malchanau, Youssef Oualil, Dietrich Klakow, Saturnino Luz, Fasih Haider, Nick Campbell, Dimitris Koryzis, Dimitris Spiliotopoulos, Pierre Albert, Nicklas Linz, Jan Alexandersson
The Metalogue Debate Trainee Corpus: Data Collection and Annotations. LREC (2018)
Fotios Fitsilis, Dimitris Koryzis, Vasilios Svolopoulos, Dimitris Spiliotopoulos
Implementing Digital Parliament Innovative Concepts for Citizens and Policy Makers. HCI (23) (2017)
Markos Aivazoglou, Orestis Roussos, Sotiris Ioannidis, Dimitris Spiliotopoulos, Jason Polakis
Reveal: Fine-grained Recommendations in Online Social Networks. ASONAM (2017)
Dimitris Spiliotopoulos, Despoina Antonakaki, Sotiris Ioannidis, Paraskevi Fragopoulou
Motivation Effect of Social Media Posts about Well-being and Healthy Living. PETRA (2016)
Despoina Antonakaki, Dimitris Spiliotopoulos, Christos V. Samaras, Sotiris Ioannidis, Paraskevi Fragopoulou
Investigating the complete corpus of referendum and elections tweets. ASONAM (2016)
Dimitris Koryzis, Vasileios Svolopoulos, Dimitris Spiliotopoulos
Metalogue: A Multimodal Learning Journey. PETRA (2016)
Dimitris Spiliotopoulos, Despoina Antonakaki, Sotiris Ioannidis, Paraskevi Fragopoulou
Usability Evaluation of Accessible Complex Graphs. ICCHP (1) (2016)
Christos V. Samaras, Ageliki Tsioliaridou, Christos Liaskos, Dimitris Spiliotopoulos, Sotiris Ioannidis
Enhancing the Trustworthiness of Service On-Demand Systems via Smart Vote Filtering. TRUST (2015)
Dimitris Spiliotopoulos, Athanasios Dalianis, Dimitris Koryzis
Speech Enabled Ontology Graph Navigation and Editing. HCI (7) (2015)
Jan Alexandersson, Maria Aretoulaki, Nick Campbell, Michael Gardner, Andrey Girenko, Dietrich Klakow, Dimitris Koryzis, Volha Petukhova, Marcus Specht, Dimitris Spiliotopoulos, Alexander Stricker, Niels Taatgen
Metalogue: A Multiperspective Multimodal Dialogue System with Metacognitive Abilities for Highly Adaptive and Flexible Dialogue Management. Intelligent Environments (2014)
Elena Demidova, Nicola Barbieri, Stefan Dietze, Adam Funk, Helge Holzmann, Diana Maynard, Nikolaos Papailiou, Wim Peters, Thomas Risse, Dimitris Spiliotopoulos
Analysing and Enriching Focused Semantic Web Archives for Parliament Applications. Future Internet 6 (3) (2014)
Dimitris Spiliotopoulos, Athanasios Dalianis, Dimitris Koryzis
Need Driven Prototype Design for a Policy Modeling Authoring Interface. HCI (9) (2014)
Thomas Risse, Elena Demidova, Stefan Dietze, Wim Peters, Nikolaos Papailiou, Katerina Doka, Yannis Stavrakas, Vassilis Plachouras, Pierre Senellart, Florent Carpentier, Amin Mantrach, Bogdan Cautis, Patrick Siehndel, Dimitris Spiliotopoulos
The ARCOMEM Architecture for Social- and Semantic-Driven Web Archiving. Future Internet 6 (4) (2014)
Dimitris Spiliotopoulos, Athanasios Dalianis, Georgios Kouroupetroglou
Accessibility Driven Design for Policy Argumentation Modelling. HCI (7) (2014)
Dimitris Spiliotopoulos, Olga Petukhova, Dimitris Koryzis, Maria Aretoulaki
Pilot Scenario Design for Evaluating a Metacognitive Skills Learning Dialogue System. HCI (27) (2014)
Georgios Petasis, Dimitris Spiliotopoulos, Nikos Tsirakis, Panayotis Tsantilas
Sentiment Analysis for Reputation Management: Mining the Greek Web. SETN (2014)
Robert J. Hendley, Russell Beale, Chris P. Bowers, Christos Georgousopoulos, Charalampos Vassiliou, Sergios Petridis, Ralf Möller, Eric Karstens, Dimitris Spiliotopoulos
CASAM: collaborative human-machine annotation of multimedia. Multim. Tools Appl. 70 (2) (2014)
Dimitris Spiliotopoulos, Ruben Bouwmeester, Georgios Kouroupetroglou, Pepi Stavropoulou, Dimitrios Tsonos
Usability Design and Testing of an Interface for Search and Retrieval of Social Web Data. HCI (12) (2013)
Nikolaos Papatheodorou, Pepi Stavropoulou, Dimitrios Tsonos, Georgios Kouroupetroglou, Dimitris Spiliotopoulos, Charalambos C. Papageorgiou
On the Identification and Annotation of Emotional Properties of Verbs. OTM Workshops (2013)
Dimitris Spiliotopoulos, Efstratios Tzoannos, Cosmin Cabulea, Dominik Frey
Digital Archives: Semantic Search and Retrieval. CHI-KDD (2013)
Dimitris Spiliotopoulos, Pepi Stavropoulou, Georgios Kouroupetroglou, Dimitrios Tsonos
User Perception Knowledge for Socially-Aware Web Document Accessibility. HCI (7) (2013)
Dimitris Spiliotopoulos, Thomas Risse, Nina Tahmasebi
SMS 2013 PC Co-Chairs Message. OTM Workshops (2013)
Dimitris Spiliotopoulos, Efstratios Tzoannos, Pepi Stavropoulou, Georgios Kouroupetroglou, Alexandros Pino
Designing User Interfaces for Social Media Driven Digital Preservation and Information Retrieval. ICCHP (1) (2012)
Pepi Stavropoulou, Dimitris Spiliotopoulos, Georgios Kouroupetroglou
Resource Evaluation for Usable Speech Interfaces: Utilizing Human-Human Dialogue. LREC (2012)
Pepi Stavropoulou, Dimitris Spiliotopoulos, Georgios Kouroupetroglou
Acoustic Modeling of Dialogue Elements for Document Accessibility. HCI (8) (2011)
Pepi Stavropoulou, Dimitris Spiliotopoulos, Georgios Kouroupetroglou
Integrating Contrast in a Framework for Predicting Prosody. CICLing (2010)
Alexandros Pino, Georgios Kouroupetroglou, Hernisa Kacorri, Anna Sarantidou, Dimitris Spiliotopoulos
An Open Source / Freeware Assistive Technology Software Inventory. ICCHP (1) (2010)
Dimitris Spiliotopoulos, Gerasimos Xydas, Georgios Kouroupetroglou, Vassilis Argyropoulos, Kalliopi Ikospentaki
Auditory universal accessibility of data tables using naturally derived prosody specification. Univers. Access Inf. Soc. 9 (2) (2010)
Dimitris Spiliotopoulos, Pepi Stavropoulou, Georgios Kouroupetroglou
Spoken Dialogue Interfaces: Integrating Usability. USAB (2009)
Dimitris Spiliotopoulos, Panagiota Stavropoulou, Georgios Kouroupetroglou
Acoustic Rendering of Data Tables Using Earcons and Prosody for Document Accessibility. HCI (7) (2009)
Georgios Kouroupetroglou, Dimitris Spiliotopoulos
Usability Methodologies for Real-Life Voice User Interfaces. Int. J. Inf. Technol. Web Eng. 4 (4) (2009)
Dimitris Spiliotopoulos, Georgios Petasis, Georgios Kouroupetroglou
A Framework for Language-Independent Analysis and Prosodic Feature Annotation of Text Corpora. TSD (2008)
Dimitris Spiliotopoulos, Gerasimos Xydas, Georgios Kouroupetroglou
Diction Based Prosody Modeling in Table-to-Speech Synthesis. TSD (2005)
Gerasimos Xydas, Dimitris Spiliotopoulos, Georgios Kouroupetroglou
Modeling Improved Prosody Generation from High-Level Linguistically Annotated Corpora. IEICE Trans. Inf. Syst. (3) (2005)
Gerasimos Xydas, Dimitris Spiliotopoulos, Georgios Kouroupetroglou
Modeling Prosodic Structures in Linguistically Enriched Environments. TSD (2004)
Ion Androutsopoulos, Dimitris Spiliotopoulos, Konstantinos Stamatakis, Aggeliki Dimitromanolaki, Vangelis Karkaletsis, Constantine D. Spyropoulos
Symbolic Authoring for Multilingual Natural Language Generation. SETN (2002)