default search action
Costas Vassilakis 0001
Person information
- affiliation: University of Peloponnese, Department of Informatics and Telecommunications, Tripoli, Greece
Other persons with the same name
- Constantinos Vassilakis (aka: Costas Vassilakis 0002) — National Technical University of Athens, School of Electrical and Computer Engineering, Athens, Greece (and 1 more)
Refine list
refinements active!
zoomed in on ?? of ?? records
view refined list in
export refined list as
Journal Articles
- 2024
- [j74]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) - [j73]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) - [j72]Ilias Papadogiannis, Costas Vassilakis, Manolis Wallace, Athanassios Katsis:
Challenges and Trends in Student Evaluation of Teaching: Analysis of SET Data from the University of Peloponnese. Inf. 15(9): 576 (2024) - 2023
- [j71]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) - [j70]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) - [j69]Dimitris Koryzis, Dionisis Margaris, Costas Vassilakis, Konstantinos Kotis, Dimitris Spiliotopoulos:
Disruptive Technologies for Parliaments: A Literature Review. Future Internet 15(2): 66 (2023) - [j68]Sotirios Brotsis, Konstantinos-Panagiotis Grammatikakis, Dimitrios Kavallieros, Antonio I. Mazilu, Nicholas Kolokotronis, Konstantinos Limniotis, Costas Vassilakis:
Blockchain meets Internet of Things (IoT) forensics: A unified framework for IoT ecosystems. Internet Things 24: 100968 (2023) - [j67]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) - 2022
- [j66]Panagiotis Sotiropoulos, Costas Vassilakis:
The additional testsuite framework: facilitating software testing and test management. Int. J. Web Eng. Technol. 17(3): 296-334 (2022) - [j65]Dionisis Margaris, Costas Vassilakis, Dimitris Spiliotopoulos:
On Producing Accurate Rating Predictions in Sparse Collaborative Filtering Datasets. Inf. 13(6): 302 (2022) - [j64]Dimitris Spiliotopoulos, Dionisis Margaris, Costas Vassilakis:
On Exploiting Rating Prediction Accuracy Features in Dense Collaborative Filtering Datasets. Inf. 13(9): 428 (2022) - [j63]Damianos P. Sakas, Dimitrios P. Reklitis, Marina C. Terzi, Costas Vassilakis:
Multichannel Digital Marketing Optimizations through Big Data Analytics in the Tourism and Hospitality Industry. J. Theor. Appl. Electron. Commer. Res. 17(4): 1383-1408 (2022) - 2021
- [j62]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) - 2020
- [j61]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) - [j60]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) - [j59]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) - [j58]Kimon Deligiannis, Paraskevi Raftopoulou, Christos Tryfonopoulos, Nikos Platis, Costas Vassilakis:
Hydria: An Online Data Lake for Multi-Faceted Analytics in the Cultural Heritage Domain. Big Data Cogn. Comput. 4(2): 7 (2020) - [j57]Dimitris Spiliotopoulos, Dionisis Margaris, Costas Vassilakis:
Data-Assisted Persona Construction Using Social Media Data. Big Data Cogn. Comput. 4(3): 21 (2020) - [j56]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) - [j55]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) - [j54]Dimitris Spiliotopoulos, Eleni Makri, Costas Vassilakis, Dionisis Margaris:
Multimodal Interaction: Correlates of Learners' Metacognitive Skill Training Negotiation Experience. Inf. 11(8): 381 (2020) - [j53]Dionisis Margaris, Costas Vassilakis, Dimitris Spiliotopoulos:
What makes a review a reliable rating in recommender systems? Inf. Process. Manag. 57(6): 102304 (2020) - [j52]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) - [j51]Panagiotis Sotiropolos, Costas Vassilakis:
Detection of intermittent faults in software programs through identification of suspicious shared variable access patterns. J. Syst. Softw. 159 (2020) - [j50]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) - 2019
- [j49]Angeliki Antoniou, Susana Maria Reboreda-Morillo, George Lepouras, Jason Diakoumakos, Costas Vassilakis, Martín López Nores, Catherine Emma Jones:
Bringing a peripheral, traditional venue to the digital era with targeted narratives. Digit. Appl. Archaeol. Cult. Heritage 14: 00111 (2019) - [j48]Costas Vassilakis, Dionisis Margaris:
Editorial for the Special Issue on "Modern Recommender Systems: Approaches, Challenges and Applications". Inf. 10(7): 230 (2019) - [j47]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) - 2018
- [j46]Dionisis Margaris, Costas Vassilakis, Panagiotis Georgiadis:
Query personalization using social network information and collaborative filtering techniques. Future Gener. Comput. Syst. 78: 440-450 (2018) - [j45]Costas Vassilakis, Vassilis Poulopoulos, Angeliki Antoniou, Manolis Wallace, George Lepouras, Martín López Nores:
exhiSTORY: Smart exhibits that tell their own stories. Future Gener. Comput. Syst. 81: 542-556 (2018) - [j44]Dionisis Margaris, Costas Vassilakis:
Exploiting Rating Abstention Intervals for Addressing Concept Drift in Social Network Recommender Systems. Informatics 5(2): 21 (2018) - [j43]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) - 2017
- [j42]Dionisis Margaris, Costas Vassilakis:
Using Time Clusters for Following Users' Shifts in Rating Practices. Complex Syst. Informatics Model. Q. 13: 22-42 (2017) - [j41]Costas Vassilakis, Angeliki Antoniou, George Lepouras, Vassilis Poulopoulos, Manolis Wallace, Stavroula Bampatzia, Ioannis Bourlakos:
Stimulation of reflection and discussion in museum visits through the use of social media. Soc. Netw. Anal. Min. 7(1): 40:1-40:12 (2017) - [j40]Dionisis Margaris, Costas Vassilakis:
Exploiting Internet of Things information to enhance venues' recommendation accuracy. Serv. Oriented Comput. Appl. 11(4): 393-409 (2017) - [j39]Dionisis Margaris, Costas Vassilakis:
Enhancing User Rating Database Consistency Through Pruning. Trans. Large Scale Data Knowl. Centered Syst. 34: 33-64 (2017) - 2016
- [j38]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) - 2015
- [j37]Akrivi Katifori, Costas Vassilakis, George Lepouras, Elena Torou:
Effectiveness of Visualization for Information Retrieval through Ontologies with Entity Evolution: The Impact of Ontology Modeling. Int. J. Inf. Retr. Res. 5(2): 66-91 (2015) - [j36]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) - 2013
- [j35]Dimitris C. Vasiliadis, George E. Rizos, Costas Vassilakis:
Modelling and performance study of finite-buffered blocking multistage interconnection networks supporting natively 2-class priority routing traffic. J. Netw. Comput. Appl. 36(2): 723-737 (2013) - 2012
- [j34]Poulcheria Benou, Costas Vassilakis:
A context management architecture for m-commerce applications. Central Eur. J. Comput. Sci. 2(2): 87-117 (2012) - [j33]Ioanna Lykourentzou, Foteini Dagka, Katerina Papadaki, Giorgos Lepouras, Costas Vassilakis:
Wikis in enterprise settings: a survey. Enterp. Inf. Syst. 6(1): 1-53 (2012) - [j32]Panagiotis Giannikopoulos, Costas Vassilakis:
A distributed recommender system architecture. Int. J. Web Eng. Technol. 7(3): 203-227 (2012) - [j31]Poulcheria Benou, Costas Vassilakis, Adam P. Vrechopoulos:
Context management for m-commerce applications: determinants, methodology and the role of marketing. Inf. Technol. Manag. 13(2): 91-111 (2012) - [j30]Dimitris C. Vasiliadis, George E. Rizos, Costas Vassilakis:
Class-Based Weighted Fair Queuing Scheduling on Dual-Priority Delta Networks. J. Comput. Networks Commun. 2012: 859694:1-859694:13 (2012) - [j29]Dimitris C. Vasiliadis, George E. Rizos, Costas Vassilakis:
Class-based weighted fair queuing scheduling on quad-priority Delta Networks. Int. J. Parallel Emergent Distributed Syst. 27(5): 435-457 (2012) - 2011
- [j28]Angeliki Antoniou, Dimitris Diakakis, George Lepouras, Costas Vassilakis:
Towards a methodological framework for the cognitive-behavioural evaluation of educational e-games. Int. J. Learn. Technol. 6(3): 263-287 (2011) - [j27]Dimitris C. Vasiliadis, George E. Rizos, Costas Vassilakis:
Performance Analysis of Multilayered Multipriority Asymmetric-Sized Delta Networks. J. Comput. Networks Commun. 2011: 723102:1-723102:12 (2011) - [j26]Dimitris C. Vasiliadis, George E. Rizos, Costas Vassilakis:
Performance Analysis of Dual-Priority Multilayer Multistage Interconnection Networks under Multicast Environment. J. Networks 6(6): 858-871 (2011) - [j25]Dimitris C. Vasiliadis, George E. Rizos, Costas Vassilakis, Euripidis Glavas:
Modelling and performance evaluation of a novel internal-priority routing scheme for finite-buffered multistage interconnection networks. Int. J. Parallel Emergent Distributed Syst. 26(5): 381-397 (2011) - 2010
- [j24]Akrivi Katifori, Costas Vassilakis, Alan J. Dix:
Ontologies and the brain: Using spreading activation through ontologies to support personal interaction. Cogn. Syst. Res. 11(1): 25-41 (2010) - [j23]Poulcheria Benou, Costas Vassilakis:
The conceptual model of context for mobile commerce applications. Electron. Commer. Res. 10(2): 139-165 (2010) - [j22]Alan J. Dix, Akrivi Katifori, Giorgos Lepouras, Costas Vassilakis, Nadeem Shabir:
Spreading Activation over Ontology-Based Resources: from Personal Context to Web Scale Reasoning. Int. J. Semantic Comput. 4(1): 59-102 (2010) - [j21]Dimitris C. Vasiliadis, George E. Rizos, Costas Vassilakis:
Performance Study of Multilayered Multistage Interconnection Networks under Hotspot Traffic Conditions. J. Comput. Networks Commun. 2010: 403056:1-403056:11 (2010) - [j20]Elena Torou, Akrivi Katifori, Costas Vassilakis, George Lepouras, Constantin Halatsis:
Historical research in archives: user methodology and supporting tools. Int. J. Digit. Libr. 11(1): 25-36 (2010) - [j19]Alan J. Dix, Giorgos Lepouras, Akrivi Katifori, Costas Vassilakis, Tiziana Catarci, Antonella Poggi, Yannis E. Ioannidis, Miguel Mora, Ilias Daradimos, Nazihah Md. Akim, Shah Rukh Humayoun, Fabio Terella:
From the web of data to a world of action. J. Web Semant. 8(4): 394-408 (2010) - 2009
- [j18]Christos Kareliotis, Costas Vassilakis, Efstathios Rouvas, Panagiotis Georgiadis:
IQoS-aware exception resolution for BPEL processes: a middleware-based framework and performance evaluation. Int. J. Web Grid Serv. 5(3): 284-320 (2009) - [j17]Costas Vassilakis, Giorgos Lepouras, Akrivi Katifori:
A heuristics-based approach to reverse engineering of electronic services. Inf. Softw. Technol. 51(2): 325-336 (2009) - 2007
- [j16]George Lepouras, Costas Vassilakis, Constantin Halatsis, Panagiotis Georgiadis:
Domain expert user development: the smartgov approach. Commun. ACM 50(9): 79-83 (2007) - [j15]Akrivi Katifori, Constantin Halatsis, George Lepouras, Costas Vassilakis, Eugenia G. Giannopoulou:
Ontology visualization methods - a survey. ACM Comput. Surv. 39(4): 10 (2007) - [j14]Costas Vassilakis, Giorgos Lepouras, Constantin Halatsis:
A knowledge-based approach for developing multi-channel e-government services. Electron. Commer. Res. Appl. 6(1): 113-124 (2007) - [j13]George D. Magoulas, Giorgos Lepouras, Costas Vassilakis:
Virtual reality in the e-Society. Virtual Real. 11(2-3): 71-73 (2007) - 2006
- [j12]Costas Vassilakis, George Lepouras:
Component reuse in electronic services development. J. Comput. Methods Sci. Eng. 6(5-6): 229-241 (2006) - 2005
- [j11]Costas Vassilakis, George Lepouras, Constantin Halatsis, Tomás Pariente Lobo:
An XML model for electronic services. Electron. Gov. an Int. J. 2(1): 41-55 (2005) - [j10]Michael Souillard, Carine Souveyet, Costas Vassilakis, Anya Sotiropoulou:
A flexible framework for managing temporal clinical trial data. Int. J. Electron. Heal. 1(4): 453-463 (2005) - [j9]Costas Vassilakis, George Lepouras, Stathis Rouvas, Panagiotis Georgiadis:
Exploiting form semantics and validation checks to improve e-form layout. Int. J. Web Eng. Technol. 2(1): 81-96 (2005) - 2004
- [j8]Costas Vassilakis, George Lepouras, Stathis Rouvas, Panagiotis Georgiadis:
Integrating e-government public transactional services into public authority workflows. Electron. Gov. an Int. J. 1(1): 49-60 (2004) - [j7]George Lepouras, Akrivi Katifori, Costas Vassilakis, Dimitrios Charitos:
Real exhibitions in a virtual museum. Virtual Real. 7(2): 120-128 (2004) - [j6]George Lepouras, Costas Vassilakis:
Virtual museums for all: employing game technology for edutainment. Virtual Real. 8(2): 96-106 (2004) - 2003
- [j5]Costas Vassilakis, Giorgos Laskaridis, Giorgos Lepouras, Stathis Rouvas, Panagiotis Georgiadis:
A framework for managing the lifecycle of transactional e-government services. Telematics Informatics 20(4): 315-329 (2003) - 2000
- [j4]László Kovács, Costas Vassilakis:
Function Oriented History Representation in Databases. Comput. Artif. Intell. 19(5): 417-444 (2000) - [j3]Costas Vassilakis:
An Optimisation Scheme for Coalesce/Valid Time Selection Operator Sequences. SIGMOD Rec. 29(1): 38-43 (2000) - 1998
- [j2]Costas Vassilakis, Nikos A. Lorentzos, Panagiotis Georgiadis:
Implementation of Transaction and Concurrency Control Support in a Temporal DBMS. Inf. Syst. 23(5): 335-350 (1998) - 1996
- [j1]Myra Spiliopoulou, Michael Hatzopoulos, Costas Vassilakis:
A Cost Model for the Estimation Query Execution Time in a Parallel Environment Supporting Pipeline. Comput. Artif. Intell. 15(4): 341-368 (1996)
Conference and Workshop Papers
- 2023
- [c103]Mihalis Tsoukalos, Nikos Platis, Costas Vassilakis:
Estimating iSAX Parameters for Efficiency. ADBIS (Short Papers) 2023: 3-12 - [c102]Sotirios Nikoletos, Stefanos Vlachos, Efstathios Zaragkas, Costas Vassilakis, Christos Tryfonopoulos, Paraskevi Raftopoulou:
RoG§: A Pipeline for Automated Sensitive Data Identification and Anonymisation. CSR 2023: 484-489 - [c101]Panagiotis Sotiropoulos, Christos-Minas Mathas, Costas Vassilakis, Nicholas Kolokotronis:
Minimizing Software-Rooted Risk through Library Implementation Selection. CSR 2023: 496-502 - [c100]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
- [c99]Dionisis Margaris, Dimitris Spiliotopoulos, Costas Vassilakis:
Anchoring Effect Mitigation for Complex Recommender System Design. HCI (41) 2022: 424-436 - [c98]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
- [c97]Konstantinos-Panagiotis Grammatikakis, Ioannis Koufos, Nicholas Kolokotronis, Costas Vassilakis, Stavros Shiaeles:
Understanding and Mitigating Banking Trojans: From Zeus to Emotet. CSR 2021: 121-128 - [c96]Nikolaos Koutsouris, Costas Vassilakis, Nicholas Kolokotronis:
Cyber-Security Training Evaluation Metrics. CSR 2021: 192-197 - [c95]Dionisis Margaris, Dimitris Spiliotopoulos, Dionysios Vasilopoulos, Costas Vassilakis:
A User Interface for Personalising WS-BPEL Scenarios. HCI (22) 2021: 399-416 - [c94]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 - [c93]Kimon Deligiannis, Paraskevi Raftopoulou, Christos Tryfonopoulos, Costas Vassilakis:
A System for Collecting, Managing, Analyzing and Sharing Diverse, Multi-Faceted Cultural Heritage and Tourism Data. SMAP 2021: 1-8 - 2020
- [c92]Christos-Minas Mathas, Konstantinos-Panagiotis Grammatikakis, Costas Vassilakis, Nicholas Kolokotronis, Vasiliki-Georgia Bilali, Dimitris Kavallieros:
Threat landscape for smart grid systems. ARES 2020: 111:1-111:7 - [c91]Dimitris Spiliotopoulos, Costas Vassilakis, Dionisis Margaris:
On Recommending Safe Travel Periods to High Attack Risk Destinations. ASONAM 2020: 854-861 - [c90]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 - [c89]Dionisis Margaris, Dimitris Spiliotopoulos, Costas Vassilakis:
Neighbourhood Aging Factors for Limited Information Social Network Collaborative Filtering. ASONAM 2020: 877-883 - [c88]Dimitris Spiliotopoulos, Vassilis Poulopoulos, Dionisis Margaris, Eleni Makri, Costas Vassilakis:
MOOC Accessibility from the Educator Perspective. HCI (44) 2020: 114-125 - [c87]Dimitris Spiliotopoulos, Konstantinos Kotis, Costas Vassilakis, Dionisis Margaris:
Semantics-Driven Conversational Interfaces for Museum Chatbots. HCI (35) 2020: 255-266 - [c86]Savvas Varitimiadis, Konstantinos Kotis, Dimitris Spiliotopoulos, Costas Vassilakis, Dionisis Margaris:
"Talking" Triples to Museum Chatbots. HCI (35) 2020: 281-299 - [c85]Dimitris Koryzis, Fotios Fitsilis, Dimitris Spiliotopoulos, Theocharis Theocharopoulos, Dionisis Margaris, Costas Vassilakis:
Policy Making Analysis and Practitioner User Experience. HCI (41) 2020: 415-431 - [c84]Dionisis Margaris, Dimitris Spiliotopoulos, Costas Vassilakis, Gregory Karagiorgos:
A User Interface for Personalized Web Service Selection in Business Processes. HCI (45) 2020: 560-573 - [c83]Christos-Minas Mathas, Costas Vassilakis, Nicholas Kolokotronis:
A Trust Management System for the IoT domain. SERVICES 2020: 183-188 - 2019
- [c82]Dimitris Spiliotopoulos, Costas Vassilakis, Dionisis Margaris:
Data-driven country safety monitoring terrorist attack prediction. ASONAM 2019: 1128-1135 - [c81]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 - [c80]Anastasios Theodoropoulos, Costas Vassilakis, Angeliki Antoniou, Manolis Wallace, George Lepouras:
ATMF: A Student-Centered Framework for the Effective Implementation of Alternative Teaching Methods for CSEd. I3E Workshops 2019: 116-127 - [c79]Ioanna Lykourentzou, Antonios Liapis, Costas Papastathis, Konstantinos Papangelis, Costas Vassilakis:
Exploring Self-organisation in Crowd Teams. I3E Workshops 2019: 164-175 - [c78]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 - [c77]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 - [c76]Dimitris Spiliotopoulos, Costas Vassilakis, Dionisis Margaris, Konstantinos Kotis:
A Methodology for Generated Text Annotation for High Quality Speech Synthesis. IISA 2019: 1-8 - [c75]Dimitris Spiliotopoulos, Dionisis Margaris, Costas Vassilakis:
Citizen Engagement for Transparent and Accountable Policy Modelling. MEDES 2019: 158-165 - [c74]Dimitris Spiliotopoulos, Dionisis Margaris, Costas Vassilakis, Volha Petukhova, Konstantinos Kotis:
A Mixed-reality Interaction-driven Game-based Learning Framework. MEDES 2019: 229-236 - [c73]Nicholas Kolokotronis, Sotirios Brotsis, Georgios Germanos, Costas Vassilakis, Stavros Shiaeles:
On Blockchain Architectures for Trust-Based Collaborative Intrusion Detection. SERVICES 2019: 21-28 - [c72]Vassilis Poulopoulos, Manolis Wallace, Costas Vassilakis, George Lepouras:
PaloAnalytics Project Concept, Scope and Outcomes: An Opportunity for Culture. CI@SMAP 2019 - [c71]Costas Vassilakis, Vassilis Poulopoulos, Manolis Wallace, Angeliki Antoniou, George Lepouras:
TripMentor Project: Scope and Challenges. CI@SMAP 2019 - [c70]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
- [c69]Christos M. Mathas, Olga E. Segou, Georgios Xilouris, Dimitris Christinakis, Michail-Alexandros Kourtis, Costas Vassilakis, Anastasios Kourtis:
Evaluation of Apache Spot's machine learning capabilities in an SDN/NFV enabled environment. ARES 2018: 52:1-52:10 - [c68]Dionisis Margaris, Costas Vassilakis:
Improving Collaborative Filtering's Rating Prediction Accuracy by Considering Users' Rating Variability. DASC/PiCom/DataCom/CyberSciTech 2018: 1022-1027 - [c67]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 - [c66]Angeliki Antoniou, Costas Vassilakis, Anastasios Theodoropoulos, George Lepouras:
The Human Computer Interaction and Virtual Reality Lab (University of Peloponnese): Overview and Current Challenges. CIRA@EuroMed 2018: 84-93 - [c65]Vassilis Poulopoulos, Costas Vassilakis, Angela Antoniou, George Lepouras, Manolis Wallace:
Personality Analysis of Social Media Influencers as a Tool for Cultural Institutions. EuroMed (1) 2018: 236-247 - [c64]Vassilis Poulopoulos, Costas Vassilakis, Angela Antoniou, Manolis Wallace, George Lepouras, Martín López Nores:
ExhiSTORY: IoT in the service of Cultural Heritage. GIIS 2018: 1-4 - [c63]Vassilis Poulopoulos, Costas Vassilakis, Manolis Wallace, Angela Antoniou, George Lepouras:
The Effect of Social Media Trending Topics Related to Cultural Venues' Content. SMAP 2018: 7-12 - 2017
- [c62]Ioannis Bourlakos, Manolis Wallace, Angeliki Antoniou, Costas Vassilakis, George Lepouras, Anna Vassiliki Karapanagiotou:
Formalization and Visualization of the Narrative for Museum Guides. International KEYSTONE Conference 2017: 3-13 - [c61]Spyros Boukoros, Anupiya Nugaliyadde, Angelos K. Marnerides, Costas Vassilakis, Polychronis Koutsakis, Kok Wai Wong:
Modeling Server Workloads for Campus Email Traffic Using Recurrent Neural Networks. ICONIP (5) 2017: 57-66 - [c60]Dionisis Margaris, Costas Vassilakis:
Improving collaborative filtering's rating prediction quality in dense datasets, by pruning old ratings. ISCC 2017: 1168-1174 - [c59]Marinos Theodorakopoulos, Nikos Papageorgopoulos, Andriana Mourti, Angeliki Antoniou, Manolis Wallace, George Lepouras, Costas Vassilakis, Nikos Platis:
Personalized augmented reality experiences in museums using Google Cardboards. SMAP 2017: 95-100 - [c58]Dionisis Margaris, Costas Vassilakis:
Improving Collaborative Filtering's Rating Prediction Quality by Considering Shifts in Rating Practices. CBI (1) 2017: 158-166 - 2016
- [c57]Stavroula Bampatzia, Omar Gustavo Bravo-Quezada, Angeliki Antoniou, Martín López Nores, Manolis Wallace, George Lepouras, Costas Vassilakis:
The Use of Semantics in the CrossCult H2020 Project. International KEYSTONE Conference 2016: 190-195 - [c56]Costas Vassilakis, Angeliki Antoniou, George Lepouras, Manolis Wallace, Ioanna Lykourentzou, Yannick Naudet:
Interconnecting Objects, Visitors, Sites and (Hi)Stories Across Cultural and Historical Concepts: The CrossCult Project. EuroMed (1) 2016: 501-510 - [c55]Stavroula Bampatzia, Ioannis Bourlakos, Angeliki Antoniou, Costas Vassilakis, George Lepouras, Manolis Wallace:
Serious Games: Valuable Tools for Cultural Heritage. GALA 2016: 331-341 - [c54]Dionisis Margaris, Costas Vassilakis, Panagiotis Georgiadis:
Improving QoS delivered by WS-BPEL scenario adaptation through service execution parallelization. SAC 2016: 1590-1596 - [c53]Stavroula Bampatzia, Angeliki Antoniou, George Lepouras, Costas Vassilakis, Manolis Wallace:
Using social media to stimulate history reflection in cultural heritage. SMAP 2016: 89-92 - [c52]Dionisis Margaris, Costas Vassilakis:
Pruning and aging for user histories in collaborative filtering. SSCI 2016: 1-8 - 2015
- [c51]Dionisis Margaris, Panagiotis Georgiadis, Costas Vassilakis:
A collaborative filtering algorithm with clustering for personalized web service selection in business processes. RCIS 2015: 169-180 - [c50]Dionisis Margaris, Costas Vassilakis, Panagiotis Georgiadis:
A hybrid framework for WS-BPEL scenario execution adaptation, using monitoring and feedback data. SAC 2015: 1672-1679 - [c49]Dionisis Margaris, Panagiotis Georgiadis, Costas Vassilakis:
On Replacement Service Selection in WS-BPEL Scenario Adaptation. SOCA 2015: 10-17 - 2014
- [c48]Jenny Rompa, Christos Tryfonopoulos, Costas Vassilakis, George Lepouras:
Mindmap-Inspired Semantic Personal Information Management. EDBT 2014: 608-611 - [c47]George Lepouras, Akrivi Katifori, Costas Vassilakis, Angeliki Antoniou, Nikos Platis:
Towards a learning analytics platform for supporting the educational process. IISA 2014: 246-251 - [c46]Akrivi Katifori, Costas Vassilakis, George Lepouras, Elena Torou, Constantin Halatsis:
Visualization Method Effectiveness in Ontology-Based Information Retrieval Tasks Involving Entity Evolution. SMAP 2014: 14-19 - 2013
- [c45]Angeliki Antoniou, Ioanna Lykourentzou, Jenny Rompa, Eric Tobias, George Lepouras, Costas Vassilakis, Yannick Naudet:
User Profiling: Towards a Facebook Game that Reveals Cognitive Style. GALA 2013: 349-353 - [c44]Ioanna Lykourentzou, Xavier Claude, Yannick Naudet, Eric Tobias, Angeliki Antoniou, George Lepouras, Costas Vassilakis:
Improving museum visitors' Quality of Experience through intelligent recommendations: A visiting style-based approach. Intelligent Environments (Workshops) 2013: 507-518 - [c43]Dionisis Margaris, Panagiotis Georgiadis, Costas Vassilakis:
Adapting WS-BPEL scenario execution using collaborative filtering techniques. RCIS 2013: 1-11 - [c42]Dionisis Margaris, Costas Vassilakis, Panagiotis Georgiadis:
An integrated framework for QoS-based adaptation and exception resolution in WS-BPEL scenarios. SAC 2013: 1900-1906 - 2011
- [c41]Poulcheria Benou, Costas Vassilakis:
A Software Architecture for Provision of Context-Aware Web-based m-Commerce Applications. CIT 2011: 344-349 - [c40]Manolis Wallace, Panos Alexopoulos, Ioannis Papafragkos, Costas Vassilakis:
Supporting User Roles in Ontology Fuzzification. SMAP 2011: 57-61 - 2009
- [c39]Dimitris C. Vasiliadis, George E. Rizos, Costas Vassilakis, Euripidis Glavas:
Performance Evaluation of Multicast Routing over Multilayer Multistage Interconnection Networks. AICT 2009: 395-403 - [c38]Christos Kareliotis, Costas Vassilakis, Stathis Rouvas, Panagiotis Georgiadis:
QoS-Driven Adaptation of BPEL Scenario Execution. ICWS 2009: 271-278 - [c37]Costas Vassilakis, Christos Kareliotis:
A Framework For Adaptation In secure Web Services. MCIS 2009: 104 - 2008
- [c36]Dimitris C. Vasiliadis, George E. Rizos, Costas Vassilakis:
Improving Performance of Finite-Buffered Blocking Delta Networks with 2-Class Priority Routing through Asymmetric-Sized Buffer Queues. AICT 2008: 23-29 - [c35]Victor A. Mateevitsi, Michael Sfakianos, George Lepouras, Costas Vassilakis:
A game-engine based virtual museum authoring and presentation system. DIMEA 2008: 451-457 - [c34]Dimitris C. Vasiliadis, George E. Rizos, Costas Vassilakis, Euripidis Glavas:
Routing and Performance Analysis of Double-Buffered Omega Networks Supporting Multi-class Priority Traffic. ICSNC 2008: 56-63 - [c33]Christos Kareliotis, Costas Vassilakis, Stathis Rouvas, Panagiotis Georgiadis:
Exception resolution for BPEL processes: a middleware-based framework and performance evaluation. iiWAS 2008: 248-256 - [c32]Akrivi Katifori, Costas Vassilakis, Alan J. Dix:
Using Spreading Activation through Ontologies to Support Personal Information Management. CSKGOI 2008 - [c31]Akrivi Katifori, Elena Torou, Costas Vassilakis, Constantin Halatsis:
Supporting Research in Historical Archives: Historical Information Visualization and Modeling Requirements. IV 2008: 32-37 - [c30]Maria Golemati, Akrivi Katifori, Eugenia G. Giannopoulou, Ilias Daradimos, Costas Vassilakis, George Lepouras, Constantin Halatsis:
An Interview-Based User Study on the use of Visualizations for Folder Browsing. IV 2008: 106-112 - [c29]Akrivi Katifori, Elena Torou, Costas Vassilakis, Giorgos Lepouras, Constantin Halatsis:
Selected results of a comparative study of four ontology visualization methods for information retrieval tasks. RCIS 2008: 133-140 - [c28]Ilias Daradimos, Akrivi Katifori, Costas Vassilakis:
WhereRU: GPS position reporting and a personal ontology as a virtual community utility. RCIS 2008: 141-146 - 2007
- [c27]Dimitris C. Vasiliadis, George E. Rizos, Costas Vassilakis:
Performance Analysis of dual priority single-buffered blocking Multistage Interconnection Networks. ICNS 2007: 60 - [c26]Christos Kareliotis, Costas Vassilakis, Panagiotis Georgiadis:
Enhancing BPEL scenarios with Dynamic Relevance-Based Exception Handling. ICWS 2007: 751-758 - [c25]Maria Golemati, Akrivi Katifori, Eugenia G. Giannopoulou, Ilias Daradimos, Costas Vassilakis:
Evaluating the Significance of the Windows Explorer Visualization in Personal Information Management Browsing tasks. IV 2007: 93-100 - [c24]Dimitris C. Vasiliadis, George E. Rizos, Costas Vassilakis, Euripidis Glavas:
Performance Evaluation of Two-Priority Network Schema for Single-Buffered Delta Networks. PIMRC 2007: 1-7 - [c23]Akrivi Katifori, Costas Vassilakis, Elena Torou, George Lepouras, Constantin Halatsis, Ilias Daradimos:
Historical Archive Ontologies Requirements, Modeling and Visualization. RCIS 2007: 401-406 - [c22]Akrivi Katifori, Maria Golemati, Costas Vassilakis, George Lepouras, Constantin Halatsis:
Creating an Ontology for the User Profile: Method and Applications. RCIS 2007: 407-412 - 2006
- [c21]Akrivi Katifori, Costas Vassilakis, George Lepouras, Ilias Daradimos, Constantin Halatsis:
Visualizing a temporally-enhanced ontology. AVI 2006: 488-491 - [c20]Elena Torou, Akrivi Katifori, Costas Vassilakis, George Lepouras, Constantin Halatsis:
Creating an Historical Archive Ontology: Guidelines and Evaluation. ICDIM 2006: 102-109 - [c19]Costas Vassilakis, George Lepouras, Akrivi Katifori:
Reverse engineering electronic services from e-forms to knowledge. ICSOFT (1) 2006: 273-278 - [c18]Maria Golemati, Constantin Halatsis, Costas Vassilakis, Akrivi Katifori, Giorgos Lepouras:
A Context-Based Adaptive Visualization Environment. IV 2006: 62-67 - [c17]Akrivi Katifori, Elena Torou, Constantin Halatsis, Giorgos Lepouras, Costas Vassilakis:
A Comparative Study of Four Ontology Visualization Techniques in Protege: Experiment Setup and Preliminary Results. IV 2006: 417-423 - 2004
- [c16]George R. S. Weir, George Lepouras, Costas Vassilakis:
Content Enrichment Through Dynamic Annotation. ICEIS (5) 2004: 152-157 - 2003
- [c15]Costas Vassilakis, George Lepouras, Stathis Rouvas, Panagiotis Georgiadis:
Improving e-Form Layout Through Analysis of Form Semantics and Validation Checks. CAiSE Short Paper Proceedings 2003 - [c14]George Lepouras, Akrivi Katifori, Costas Vassilakis, Anna Harissi:
Facilitating VR Museums Web Presence. HCI (4) 2003: 1143-1147 - 2002
- [c13]Costas Vassilakis, Giorgos Lepouras:
Controlled Caching of Dynamic WWW Pages. DEXA 2002: 9-18 - [c12]George Lepouras, Costas Vassilakis, George R. S. Weir:
Serving Enhanced Hypermedia Information. ECIR 2002: 86-92 - [c11]Costas Vassilakis, Giorgos Laskaridis, Giorgos Lepouras, Stathis Rouvas, Panagiotis Georgiadis:
Transactional e-Government Services: An Integrated Approach. EGOV 2002: 276-279 - [c10]Panagiotis Georgiadis, Giorgos Lepouras, Costas Vassilakis, G. Boukis, Efthimios Tambouris, Stelios Gorilas, Elisabeth Davenport, Ann Macintosh, John Fraser, Dave Lochhead:
SmartGov: A Knowledge-Based Platform for Transactional Electronic Services. EGOV 2002: 362-369 - [c9]Dimitris Gouscos, Stathis Rouvas, Costas Vassilakis, Panagiotis Georgiadis:
An Object-Oriented Approach for Designing Administrative E-forms and Transactional E-services. OOIS 2002: 19-30 - 2001
- [c8]Dimitrios Charitos, George Lepouras, Costas Vassilakis, Vivi Katifori, A. Charissi, L. Halatsi:
Designing a virtual museum within a museum. Virtual Reality, Archeology, and Cultural Heritage 2001: 284 - 1999
- [c7]Dimitrios Theotokis, Georgios-Dimitrios Kapos, Costas Vassilakis, Anya Sotiropoulou, Georgios Gyftodimos:
Distributed Information Systems Tailorability: A Component Approach. FTDCS 1999: 95-101 - 1998
- [c6]Costas Vassilakis, Panagiotis Georgiadis, Timos K. Sellis:
Implementing Embedded Valid Time Query Languages. DEXA 1998: 561-572 - [c5]Anya Sotiropoulou, Michael Souillard, Costas Vassilakis:
Temporal Extension to ODMG. IADT 1998: 304-311 - [c4]Michael Souillard, Costas Vassilakis, Anya Sotiropoulou:
TOOBIS: Application de la gestion de données temporelles dans le domaine de la recherche clinique. INFORSID 1998: 147-165 - 1996
- [c3]Costas Vassilakis, Panagiotis Georgiadis, Anya Sotiropoulou:
A Comparative Study of Temporal DBMS Architectures. DEXA Workshop 1996: 153-164 - 1995
- [c2]Costas Vassilakis, Nikos A. Lorentzos, Panagiotis Georgiadis:
Transaction Support in a Temporal DBMS. Temporal Databases 1995: 255-271 - 1992
- [c1]Myra Spiliopoulou, Michael Hatzopoulos, Costas Vassilakis:
Using Parallelism and Pipeline for the Optimisation of Join Queries. PARLE 1992: 279-294
Informal and Other Publications
- 2021
- [i5]Christos-Minas Mathas, Konstantinos-Panagiotis Grammatikakis, Costas Vassilakis, Nicholas Kolokotronis, Vasiliki-Georgia Bilali, Dimitris Kavallieros:
Threat Landscape for Smart Grid Systems. CoRR abs/2105.04264 (2021) - [i4]Christos-Minas Mathas, Costas Vassilakis, Nicholas Kolokotronis:
A Trust Management System for the IoT domain. CoRR abs/2109.01599 (2021) - [i3]Konstantinos-Panagiotis Grammatikakis, Ioannis Koufos, Nicholas Kolokotronis, Costas Vassilakis, Stavros Shiaeles:
Understanding and Mitigating Banking Trojans: From Zeus to Emotet. CoRR abs/2109.01610 (2021) - [i2]Nicholas Kolokotronis, Sotirios Brotsis, Georgios Germanos, Costas Vassilakis, Stavros Shiaeles:
On Blockchain Architectures for Trust-Based Collaborative Intrusion Detection. CoRR abs/2109.03635 (2021) - 2013
- [i1]Jenny Rompa, Giorgos Lepouras, Costas Vassilakis, Christos Tryfonopoulos:
OntoFM: A Personal Ontology-based File Manager for the Desktop. CoRR abs/1307.2018 (2013)
Coauthor Index
aka: Vivi Katifori
aka: George Lepouras
manage site settings
To protect your privacy, all features that rely on external API calls from your browser are turned off by default. You need to opt-in for them to become active. All settings here will be stored as cookies with your web browser. For more information see our F.A.Q.
Unpaywalled article links
Add open access links from to the list of external document links (if available).
Privacy notice: By enabling the option above, your browser will contact the API of unpaywall.org to load hyperlinks to open access articles. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Unpaywall privacy policy.
Archived links via Wayback Machine
For web page which are no longer available, try to retrieve content from the of the Internet Archive (if available).
Privacy notice: By enabling the option above, your browser will contact the API of archive.org to check for archived content of web pages that are no longer available. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Internet Archive privacy policy.
Reference lists
Add a list of references from , , and to record detail pages.
load references from crossref.org and opencitations.net
Privacy notice: By enabling the option above, your browser will contact the APIs of crossref.org, opencitations.net, and semanticscholar.org to load article reference information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Crossref privacy policy and the OpenCitations privacy policy, as well as the AI2 Privacy Policy covering Semantic Scholar.
Citation data
Add a list of citing articles from and to record detail pages.
load citations from opencitations.net
Privacy notice: By enabling the option above, your browser will contact the API of opencitations.net and semanticscholar.org to load citation information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the OpenCitations privacy policy as well as the AI2 Privacy Policy covering Semantic Scholar.
OpenAlex data
Load additional information about publications from .
Privacy notice: By enabling the option above, your browser will contact the API of openalex.org to load additional information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the information given by OpenAlex.
last updated on 2024-10-23 21:26 CEST by the dblp team
all metadata released as open data under CC0 1.0 license
see also: Terms of Use | Privacy Policy | Imprint