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C

Costas Vassilakis

University of the Peloponnese

28H-index
272Paper Count
3.3KCitation Count
Published Papers 28
Publication Date
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The Evolution of SEO in the Era of Generative AI: A Business Intelligence Perspective
errElectronics
IF2.6
err2026-08-11
err0
errOAAI
errKonstantinos I. Roumeliotis; Dionisis Margaris; Dimitris Spiliotopoulos; Costas Vassilakis
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errSave
Optimizing Collaborative Filtering for Accurate Rating Predictions in Very Sparse Datasets
errFuture Internet
IF3.6
err2026-02-27
err0
errOAAI
errSofia-Anna Lapadaki; John Nanos; Dionisis Margaris; Costas Vassilakis; Dimitris Spiliotopoulos
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errSave
A Large-Scale Empirical Study of LLM Orchestration and Ensemble Strategies for Sentiment Analysis in Recommender Systems
errFuture Internet
IF3.6
err2026-02-27
err0
errOAAI
errKonstantinos I. Roumeliotis; Dionisis Margaris; Dimitris Spiliotopoulos; Costas Vassilakis
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errSave
Stitching History into Semantics: LLM-Supported Knowledge Graph Engineering for 19th-Century Greek Bookbinding
errmachine learning and knowledge extraction
IF0
err2025-07-26
err0
errOAAI
errDimitrios Doumanas; Efthalia Ntalouka; Costas Vassilakis; Manolis Wallace; Konstantinos Kotis
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errSave
Using Prediction Confidence Factors to Enhance Collaborative Filtering Recommendation Quality
errTECHNOLOGIES
IF3.6
err2025-05-02
err0
errOAAI
errMargaris, Dionisis; Spiliotopoulos, Dimitris; Sgardelis, Kiriakos; Vassilakis, Costas
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errSave
Cost-Efficient RSSI-Based Indoor Proximity Positioning, for Large/Complex Museum Exhibition Spaces
errSENSORS
IF3.5
err2025-04-25
err0
errOAAI
errPhilippopoulos, Panos I.; Koutrakis, Kostas N.; Tsafaras, Efstathios D.; Papadopoulou, Evangelia G.; Sigalas, Dimitrios; Tselikas, Nikolaos D.; Ougiaroglou, Stefanos; Vassilakis, Costas
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From Rating Predictions to Reliable Recommendations in Collaborative Filtering: The Concept of Recommendation Reliability Classes
errBIG DATA AND COGNITIVE COMPUTING
IF4.4
err2025-04-17
err0
errOAAI
errMargaris, D; Vassilakis, C; Spiliotopoulos, D
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errSave
A generalized, rule-based method for the detection of intermittent faults in software programs
errJOURNAL OF SYSTEMS AND SOFTWARE
IF4.1
err2025-01-01
err0
PREAI
errSotiropoulos, Panagiotis; Vassilakis, Costas
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errSave
Exploiting Rating Prediction Certainty for Recommendation Formulation in Collaborative Filtering
errBIG DATA AND COGNITIVE COMPUTING
IF4.4
err2024-05-27
err0
errOAAI
errMargaris, Dionisis; Sgardelis, Kiriakos; Spiliotopoulos, Dimitris; Vassilakis, Costas
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errSave
Blockchain meets Internet of Things (IoT) forensics: A unified framework for IoT ecosystems
errINTERNET OF THINGS
IF7.6
err2023-12-01
err7
PREAI
errBrotsis, Sotirios; Grammatikakis, Konstantinos P.; Kavallieros, Dimitrios; Mazilu, Antonio I.; Kolokotronis, Nicholas; Limniotis, Konstantinos; Vassilakis, Costas
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errSave
Rating Prediction Quality Enhancement in Low-Density Collaborative Filtering Datasets
errBIG DATA AND COGNITIVE COMPUTING
IF4.4
err2023-03-24
err1
errOAAI
errMargaris, Dionisis; Vassilakis, Costas; Spiliotopoulos, Dimitris; Ougiaroglou, Stefanos
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errSave
Multichannel Digital Marketing Optimizations through Big Data Analytics in the Tourism and Hospitality Industry
errJOURNAL OF THEORETICAL AND APPLIED ELECTRONIC COMMERCE RESEARCH
IF4.6
err2022-10-24
err13
errOAAI
errSakas, Damianos P.; Reklitis, Dimitrios P.; Terzi, Marina C.; Vassilakis, Costas
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errSave
What makes a review a reliable rating in recommender systems?
errINFORMATION PROCESSING & MANAGEMENT
IF6.9
err2020-11-01
err38
PREAI
errMargaris, Dionisis; Vassilakis, Costas; Spiliotopoulos, Dimitris
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errSave
Data-Assisted Persona Construction Using Social Media Data
errBIG DATA AND COGNITIVE COMPUTING
IF4.4
err2020-08-19
err23
errOAAI
errSpiliotopoulos, Dimitris; Margaris, Dionisis; Vassilakis, Costas
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errSave
Hydria: An Online Data Lake for Multi-Faceted Analytics in the Cultural Heritage Domain
errBIG DATA AND COGNITIVE COMPUTING
IF4.4
err2020-04-23
err12
errOAAI
errDeligiannis, Kimon; Raftopoulou, Paraskevi; Tryfonopoulos, Christos; Platis, Nikos; Vassilakis, Costas
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errSave
A Semantic Mixed Reality Framework for Shared Cultural Experiences Ecosystems
errBIG DATA AND COGNITIVE COMPUTING
IF4.4
err2020-04-20
err5
errOAAI
errVassilakis, Costas; Kotis, Konstantinos; Spiliotopoulos, Dimitris; Margaris, Dionisis; Kasapakis, Vlasios; Anagnostopoulos, Christos-Nikolaos; Santipantakis, Georgios; Vouros, George A.; Kotsilieris, Theodore; Petukhova, Volha; Malchanau, Andrei; Lykourentzou, Ioanna; Helin, Kaj Michael; Revenko, Artem; Gligoric, Nenad; Pokric, Boris
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errSave
An Adaptive Social Network-Aware Collaborative Filtering Algorithm for Improved Rating Prediction Accuracy
errIEEE ACCESS
IF3.6
err2020-01-01
err16
errOAAI
errMargaris, Dionisis; Kobusinska, Anna; Spiliotopoulos, Dimitris; Vassilakis, Costas
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errSave
Detection of intermittent faults in software programs through identification of suspicious shared variable access patterns
errJOURNAL OF SYSTEMS AND SOFTWARE
IF4.1
err2020-01-01
err4
PREAI
errSotiropolos, Panagiotis; Vassilakis, Costas
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errSave
exhiSTORY: Smart exhibits that tell their own stories
errFUTURE GENERATION COMPUTER SYSTEMS-THE INTERNATIONAL JOURNAL OF ESCIENCE
IF6.1
err2018-04-01
err20
errOAAI
errVassilakis, Costas; Poulopoulos, Vassilis; Antoniou, Angeliki; Wallace, Manolis; Lepouras, George; Nores, Martin Lopez
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errSave
Query personalization using social network information and collaborative filtering techniques
errFUTURE GENERATION COMPUTER SYSTEMS-THE INTERNATIONAL JOURNAL OF ESCIENCE
IF6.1
err2018-01-01
err42
PREAI
errMargaris, Dionisis; Vassilakis, Costas; Georgiadis, Panagiotis
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errSave

Research Directions

The data has not been retrieved yet.
Co-authors
Cooperation Journals
P
Panagiotis Georgiadis
H-index: 31 · Papers: 152
Ε
Ευγενία Γιαννοπούλου
H-index: 31 · Papers: 105
Δ
Δαμιανός Π. Σακάς
H-index: 30 · Papers: 194
C
Christos‐Nikolaos Anagnostopoulos
H-index: 29 · Papers: 289
G
George A. Vouros
H-index: 28 · Papers: 269
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