Optimal Communication Algorithms on the Star Interconnection Network. - Paraskevi Fragopoulou; Selim G. Akl (SPDP, 1993)

On the Efficient Summation of N Numbers on an N-Processor Reconfigurable Mesh. - Paraskevi Fragopoulou (Parallel Process. Lett., 1993)

On the Comparative Powers of the 2D-Parbs and the CRCW-Pram Models. - Paraskevi Fragopoulou (Parallel Process. Lett., 1993)

A Parallel Algorithm for Computing Fourier Transforms on the Star Graph. - Paraskevi Fragopoulou; Selim G. Akl (IEEE Trans. Parallel Distributed Syst., 1994)

Fault tolerant communication algorithms on the star network using disjoint paths. - Paraskevi Fragopoulou; Selim G. Akl (HICSS (2), 1995)

Efficient algorithms for global data communication on the multidimensional torus network. - Paraskevi Fragopoulou; Selim G. Akl (IPPS, 1995)

Optimal Communication algorithms on Star Graphs Using Spanning Tree Constructions. - Paraskevi Fragopoulou; Selim G. Akl (J. Parallel Distributed Comput., 1995)

Performance Evaluation and Modeling of Reduction Operations on the IBM RS/6000 SP Parallel Computer. - Paraskevi Fragopoulou; Ole H. Nielsen (PARA, 1996)

Optimal Communication Primitives on the Generalized Hypercube Network. - Paraskevi Fragopoulou; Selim G. Akl; Henk Meijer (J. Parallel Distributed Comput., 1996)

Spanning Subgraphs with Applications to Communication on the Multidimensional Torus Network. - Paraskevi Fragopoulou; Selim G. Akl (Parallel Comput., 1996)

Edge-Disjoint Spanning Trees on the Star Network with Applications to Fault Tolerance. - Paraskevi Fragopoulou; Selim G. Akl (IEEE Trans. Computers, 1996)

Spanning subgraphs with applications to communication on a subclass of the Cayley-graph-based networks. - Paraskevi Fragopoulou; Selim G. Akl (Discret. Appl. Math., 1998)

Compact Multicast Algorithms on Grids Without Intermediate Buffering. - Dominique Barth; Paraskevi Fragopoulou (PDPTA, 1999)

Multi-Source Spanning Tree Problems. - Arthur M. Farley; Paraskevi Fragopoulou; David W. Krumme; Andrzej Proskurowski; Dana Richards (J. Interconnect. Networks, 2000)

Minimum Eccentricity Multicast Trees. - David W. Krumme; Paraskevi Fragopoulou (Discret. Math. Theor. Comput. Sci., 2001)

Uniform emulations of Cartesian-product and Cayley graphs. - Dominique Barth; Paraskevi Fragopoulou; Marie-Claude Heydemann (Discret. Appl. Math., 2002)

Compact Multicast Algorithms on Grids and Tori Without Intermediate Buffering. - Dominique Barth; Paraskevi Fragopoulou (Parallel Process. Lett., 2002)

Multi-source Trees: Algorithms for Minimizing Eccentricity Cost Metrics. - Paraskevi Fragopoulou; Stavros D. Nikolopoulos; Leonidas Palios (ISAAC, 2005)

The Complexity of the Maximal Requests Satisfaction Problem in Multipoint Communication. - Dominique Barth; Pascal Berthomé; Paraskevi Fragopoulou (Parallel Process. Lett., 2005)

Divide et Impera: Partitioning Unstructured Peer-to-Peer Systems to Improve Resource Location. - Harris Papadakis; Paraskevi Fragopoulou; Evangelos P. Markatos; Marios D. Dikaiakos; Alexandros Labrinidis (CoreGRID Integration Workshop, 2006)

Approximation algorithms for the k-source multicast tree construction problem. - Paraskevi Fragopoulou (Networks, 2006)

Design and Implementation of a Hybrid P2P-based Grid Resource Discovery System. - Harris Papadakis; Paolo Trunfio; Domenico Talia; Paraskevi Fragopoulou (CoreGRID Workshop - Making Grids Work, 2007)

Peer-to-Peer resource discovery in Grids: Models and systems. - Paolo Trunfio; Domenico Talia; Harris Papadakis; Paraskevi Fragopoulou; Matteo Mordacchini; M. Pennanen; Konstantin Popov; Vladimir Vlassov; Seif Haridi (Future Gener. Comput. Syst., 2007)

Failure Management in Grids: the Case of the EGEE Infrastructure. - Kyriakos Neocleous; Marios D. Dikaiakos; Paraskevi Fragopoulou; Evangelos P. Markatos (Parallel Process. Lett., 2007)

A Scalable Architecture For Discovery And Planning In P2P Service Networks. - Agostino Forestiero; Carlo Mastroianni; Harris Papadakis; Paraskevi Fragopoulou; Alberto Troisi; Eugenio Zimeo (CoreGRID Integration Workshop, 2008)

Topic 6: Grid and Cluster Computing. - Marco Danelutto; Juan Touriño; Mark Baker; Rajkumar Buyya; Paraskevi Fragopoulou; Christian Pérez; Erich Schikuta (Euro-Par, 2008)

Cooperative Self-Composition and Discovery of Grid Services in P2P Networks. - Eugenio Zimeo; Alberto Troisi; Harris Papadakis; Paraskevi Fragopoulou; Agostino Forestiero; Carlo Mastroianni (Parallel Process. Lett., 2008)

Self-* and Adaptive Mechanisms for Large Scale Distributed Systems. - Paraskevi Fragopoulou; Carlo Mastroianni; Rubén Santiago Montero; Artur Andrjezak; Derrick Kondo (CoreGRID@Euro-Par, 2009)

An Experimental Evaluation of the DQ-DHT Algorithm in a Grid Information Service. - Harris Papadakis; Paolo Trunfio; Domenico Talia; Paraskevi Fragopoulou (CoreGRID@Euro-Par, 2009)

Imbuing Unstructured P2P Systems with Non-Intrusive Topology Awareness. - Harris Papadakis; Mema Roussopoulos; Paraskevi Fragopoulou; Evangelos P. Markatos (Peer-to-Peer Computing, 2009)

Hash-Based Overlay Partitioning in Unstructured Peer-to-Peer Systems. - Harris Papadakis; Paraskevi Fragopoulou; Evangelos P. Markatos; Marios D. Dikaiakos; Alexandros Labrinidis (Parallel Process. Lett., 2009)

2010 CoreGRID/ERCIM Workshop on Grids, Clouds and P2P Computing. - Marco Danelutto; Frédéric Desprez; Paraskevi Fragopoulou; Alan Stewart (Euro-Par Workshops, 2010)

SafeLine: reporting illegal internet content. - Meltini Christodoulaki; Paraskevi Fragopoulou (Inf. Manag. Comput. Secur., 2010)

Distributed community detection: Finding neighborhoods in a complex world using synthetic coordinates. - Harris Papadakis; Paraskevi Fragopoulou; Costas Panagiotakis (ISCC, 2011)

Community detection in collaborative environments: a comparative analysis. - Andreas Kalaitzakis; Harris Papadakis; Costas Panagiotakis; Paraskevi Fragopoulou (PETRA, 2011)

Evolution of User Activity and Community Formation in an Online Social Network. - Andreas Kalaitzakis; Harris Papadakis; Paraskevi Fragopoulou (ASONAM, 2012)

Topic 6: Grid, Cluster and Cloud Computing. - Erik Elmroth; Paraskevi Fragopoulou; Artur Andrzejak 001; Ivona Brandic; Karim Djemame; Paolo Romano 002 (Euro-Par, 2012)

Guest Editors Note Special Issue on Community Structures in Networks: Methods and Applications. - Paraskevi Fragopoulou; Artur Andrzejak 001; Carlo Mastroianni; Costas Panagiotakis (Parallel Process. Lett., 2012)

Locating Communities on Real Dataset Graphs Using Synthetic Coordinates. - Harris Papadakis; Costas Panagiotakis; Paraskevi Fragopoulou (Parallel Process. Lett., 2012)

A distributed algorithm for community detection in large graphs. - Harris Papadakis; Costas Panagiotakis; Paraskevi Fragopoulou (ASONAM, 2013)

Voting Clustering and Key Points Selection. - Costas Panagiotakis; Paraskevi Fragopoulou (CAIP (1), 2013)

Interactive Image Segmentation via Graph Clustering and Synthetic Coordinates Modeling. - Costas Panagiotakis; Harris Papadakis; Elias Grinias; Nikos Komodakis; Paraskevi Fragopoulou; Georgios Tziritas (CAIP (1), 2013)

Interactive image segmentation based on synthetic graph coordinates. - Costas Panagiotakis; Harris Papadakis; Ilias Grinias; Nikos Komodakis; Paraskevi Fragopoulou; Georgios Tziritas (Pattern Recognit., 2013)

Locating communities on graphs with variations in community sizes. - Harris Papadakis; Costas Panagiotakis; Paraskevi Fragopoulou (J. Supercomput., 2013)

ITA: Innocuous Topology Awareness for Unstructured P2P Networks. - Harris Papadakis; Paraskevi Fragopoulou; Evangelos P. Markatos; Mema Roussopoulos (IEEE Trans. Parallel Distributed Syst., 2013)

CoViFlowPro: A Community Visualization method based on a Flow Propagation Algorithm. - Paraskevi Fragopoulou; Costas Panagiotakis; Harris Papadakis (BICT, 2014)

Think Before RT: An Experimental Study of Abusing Twitter Trends. - Despoina Antonakaki; Iasonas Polakis; Elias Athanasopoulos; Sotiris Ioannidis; Paraskevi Fragopoulou (SocInfo Workshops, 2014)

Local Community Detection via Flow Propagation. - Costas Panagiotakis; Harris Papadakis; Paraskevi Fragopoulou (ASONAM, 2015)

Social Forensics: Searching for Needles in Digital Haystacks. - Iasonas Polakis; Panagiotis Ilia; Zacharias Tzermias; Sotiris Ioannidis; Paraskevi Fragopoulou (BADGERS@RAID, 2015)

Evolving Twitter: an experimental analysis of graph properties of the social graph. - Despoina Antonakaki; Sotiris Ioannidis; Paraskevi Fragopoulou (CoRR, 2015)

Investigating the complete corpus of referendum and elections tweets. - Despoina Antonakaki; Dimitris Spiliotopoulos; Christos V. Samaras; Sotiris Ioannidis; Paraskevi Fragopoulou (ASONAM, 2016)

Usability Evaluation of Accessible Complex Graphs. - Dimitris Spiliotopoulos; Despoina Antonakaki; Sotiris Ioannidis; Paraskevi Fragopoulou (ICCHP (1), 2016)

Motivation Effect of Social Media Posts about Well-being and Healthy Living. - Dimitris Spiliotopoulos; Despoina Antonakaki; Sotiris Ioannidis; Paraskevi Fragopoulou (PETRA, 2016)

Exploiting abused trending topics to identify spam campaigns in Twitter. - Despoina Antonakaki; Iasonas Polakis; Elias Athanasopoulos; Sotiris Ioannidis; Paraskevi Fragopoulou (Soc. Netw. Anal. Min., 2016)

SAMPAC: Socially-Aware collaborative Multi-Party Access Control. - Panagiotis Ilia; Barbara Carminati; Elena Ferrari 001; Paraskevi Fragopoulou; Sotiris Ioannidis (CODASPY, 2017)

Movie SCoRe: Personalized Movie Recommendation on Mobile Devices. - Harris Papadakis; Nikos Michalakis; Paraskevi Fragopoulou; Costas Panagiotakis; Athanasios G. Malamos (PCI, 2017)

SCoR: A Synthetic Coordinate based Recommender system. - Harris Papadakis; Costas Panagiotakis; Paraskevi Fragopoulou (Expert Syst. Appl., 2017)

Detection of Hurriedly Created Abnormal Profiles in Recommender Systems. - Costas Panagiotakis; Harris Papadakis; Paraskevi Fragopoulou (IEEE Conf. on Intelligent Systems, 2018)

A Mobile Application for Personalized Movie Recommendations with Dynamic Updates. - Harris Papadakis; Paraskevi Fragopoulou; Nikos Michalakis; Costas Panagiotakis (IEEE Conf. on Intelligent Systems, 2018)

EL-SIC: Focus on Better and Safer Online Experiences for Kids. - Evangelia Daskalaki; Katerina Psaroudaki; Paraskevi Fragopoulou (ERCIM News, 2018)

Utilizing the average node degree to assess the temporal growth rate of Twitter. - Despoina Antonakaki; Sotiris Ioannidis; Paraskevi Fragopoulou (Soc. Netw. Anal. Min., 2018)

Context-Driven Tour Planning Service: An Approach Based on Synthetic Coordinates Recommendation. - Alexey M. Kashevnik; Sergei Mikhailov; Harris Papadakis; Paraskevi Fragopoulou (FRUCT, 2019)

Personalized Video Summarization Based Exclusively on User Preferences. - Costas Panagiotakis; Harris Papadakis; Paraskevi Fragopoulou (ECIR (2), 2020)

A User Training Error based Correction Approach combined with the Synthetic Coordinate Recommender System. - Costas Panagiotakis; Harris Papadakis; Paraskevi Fragopoulou (UMAP (Adjunct Publication), 2020)

Investigating the dynamics of illegal online activity: The power of reporting, dark web, and related legislation. - Emmanouela Kokolaki; Evangelia Daskalaki; Katerina Psaroudaki; Meltini Christodoulaki; Paraskevi Fragopoulou (Comput. Law Secur. Rev., 2020)

Understanding the online behavior and risks of children: results of a large-scale national survey on 10-18 year olds. - Evangelia Daskalaki; Katerina Psaroudaki; Marieva Karkanaki; Paraskevi Fragopoulou (CoRR, 2020)

Unsupervised and supervised methods for the detection of hurriedly created profiles in recommender systems. - Costas Panagiotakis; Harris Papadakis; Paraskevi Fragopoulou (Int. J. Mach. Learn. Cybern., 2020)

A dual hybrid recommender system based on SCoR and the random forest. - Costas Panagiotakis; Harris Papadakis; Paraskevi Fragopoulou (Comput. Sci. Inf. Syst., 2021)

A survey of Twitter research: Data model, graph structure, sentiment analysis and attacks. - Despoina Antonakaki; Paraskevi Fragopoulou; Sotiris Ioannidis (Expert Syst. Appl., 2021)

Improving recommender systems via a Dual Training Error based Correction approach. - Costas Panagiotakis; Harris Papadakis; Antonis Papagrigoriou; Paraskevi Fragopoulou (Expert Syst. Appl., 2021)

DTEC: Dual Training Error based Correction approach for recommender systems. - Costas Panagiotakis; Harris Papadakis; Antonis Papagrigoriou; Paraskevi Fragopoulou (Softw. Impacts, 2021)

Personalized Itinerary Recommendation via Expectation-Maximization. - Costas Panagiotakis; Evangelia Daskalaki; Harris Papadakis; Paraskevi Fragopoulou (CSIT, 2022)

The Tourist Trip Design Problem with POI Categories via an Expectation-Maximization Based Method. - Costas Panagiotakis; Evangelia Daskalaki; Harris Papadakis; Paraskevi Fragopoulou (RecTour@RecSys, 2022)

Collaborative filtering recommender systems taxonomy. - Harris Papadakis; Antonis Papagrigoriou; Costas Panagiotakis; Eleftherios Kosmas; Paraskevi Fragopoulou (Knowl. Inf. Syst., 2022)

Discovery and Classification of Twitter Bots. - Alexander Shevtsov; Maria Oikonomidou; Despoina Antonakaki; Polyvios Pratikakis; Alexandros Kanterakis; Paraskevi Fragopoulou; Sotiris Ioannidis (SN Comput. Sci., 2022)

Visit planner: A personalized mobile trip design application based on a hybrid recommendation model. - Harris Papadakis; Costas Panagiotakis; Paraskevi Fragopoulou; Georgios Chalkiadakis; Errikos Streviniotis; Ioannis Panagiotis Ziogas; Michail Koutsmanis; Panagiotis Bariamis (Comput. Sci. Inf. Syst., 2024)

Navigating the Future of Education: Educators' Insights on AI Integration and Challenges in Greece, Hungary, Latvia, Ireland and Armenia. - Evangelia Daskalaki; Katerina Psaroudaki; Paraskevi Fragopoulou (CoRR, 2024)

Unveiling AI's Threats to Child Protection: Regulatory efforts to Criminalize AI-Generated CSAM and Emerging Children's Rights Violations. - Emmanouela Kokolaki; Paraskevi Fragopoulou (CoRR, 2025)