Paraskevi Fragopoulou

According to our database1, Paraskevi Fragopoulou authored at least 67 papers between 1993 and 2020.

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In proceedings 
PhD thesis 





Unsupervised and supervised methods for the detection of hurriedly created profiles in recommender systems.
Int. J. Mach. Learn. Cybern., 2020

Understanding the online behavior and risks of children: results of a large-scale national survey on 10-18 year olds.
CoRR, 2020

Investigating the dynamics of illegal online activity: The power of reporting, dark web, and related legislation.
Comput. Law Secur. Rev., 2020

A User Training Error based Correction Approach combined with the Synthetic Coordinate Recommender System.
Proceedings of the Adjunct Publication of the 28th ACM Conference on User Modeling, 2020

Personalized Video Summarization Based Exclusively on User Preferences.
Proceedings of the Advances in Information Retrieval, 2020

Context-Driven Tour Planning Service: An Approach Based on Synthetic Coordinates Recommendation.
Proceedings of the 24th Conference of Open Innovations Association, 2019

Utilizing the average node degree to assess the temporal growth rate of Twitter.
Soc. Netw. Anal. Min., 2018

EL-SIC: Focus on Better and Safer Online Experiences for Kids.
ERCIM News, 2018

A Mobile Application for Personalized Movie Recommendations with Dynamic Updates.
Proceedings of the 9th IEEE International Conference on Intelligent Systems, 2018

Detection of Hurriedly Created Abnormal Profiles in Recommender Systems.
Proceedings of the 9th IEEE International Conference on Intelligent Systems, 2018

SCoR: A Synthetic Coordinate based Recommender system.
Expert Syst. Appl., 2017

Movie SCoRe: Personalized Movie Recommendation on Mobile Devices.
Proceedings of the 21st Pan-Hellenic Conference on Informatics, 2017

SAMPAC: Socially-Aware collaborative Multi-Party Access Control.
Proceedings of the Seventh ACM Conference on Data and Application Security and Privacy, 2017

Exploiting abused trending topics to identify spam campaigns in Twitter.
Soc. Netw. Anal. Min., 2016

Motivation Effect of Social Media Posts about Well-being and Healthy Living.
Proceedings of the 9th ACM International Conference on PErvasive Technologies Related to Assistive Environments, 2016

Usability Evaluation of Accessible Complex Graphs.
Proceedings of the Computers Helping People with Special Needs, 2016

Investigating the complete corpus of referendum and elections tweets.
Proceedings of the 2016 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining, 2016

Evolving Twitter: an experimental analysis of graph properties of the social graph.
CoRR, 2015

Social Forensics: Searching for Needles in Digital Haystacks.
Proceedings of the 4th International Workshop on Building Analysis Datasets and Gathering Experience Returns for Security, 2015

Local Community Detection via Flow Propagation.
Proceedings of the 2015 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining, 2015

Think Before RT: An Experimental Study of Abusing Twitter Trends.
Proceedings of the Social Informatics - SocInfo 2014 International Workshops, Barcelona, 2014

CoViFlowPro: A Community Visualization method based on a Flow Propagation Algorithm.
Proceedings of the 8th International Conference on Bio-inspired Information and Communications Technologies, 2014

ITA: Innocuous Topology Awareness for Unstructured P2P Networks.
IEEE Trans. Parallel Distributed Syst., 2013

Locating communities on graphs with variations in community sizes.
J. Supercomput., 2013

Interactive image segmentation based on synthetic graph coordinates.
Pattern Recognit., 2013

Interactive Image Segmentation via Graph Clustering and Synthetic Coordinates Modeling.
Proceedings of the Computer Analysis of Images and Patterns, 2013

Voting Clustering and Key Points Selection.
Proceedings of the Computer Analysis of Images and Patterns, 2013

A distributed algorithm for community detection in large graphs.
Proceedings of the Advances in Social Networks Analysis and Mining 2013, 2013

Locating Communities on Real Dataset Graphs Using Synthetic Coordinates.
Parallel Process. Lett., 2012

Guest Editors Note Special Issue on Community Structures in Networks: Methods and Applications.
Parallel Process. Lett., 2012

Topic 6: Grid, Cluster and Cloud Computing.
Proceedings of the Euro-Par 2012 Parallel Processing - 18th International Conference, 2012

Evolution of User Activity and Community Formation in an Online Social Network.
Proceedings of the International Conference on Advances in Social Networks Analysis and Mining, 2012

Community detection in collaborative environments: a comparative analysis.
Proceedings of the PETRA 2011, 2011

Distributed community detection: Finding neighborhoods in a complex world using synthetic coordinates.
Proceedings of the 16th IEEE Symposium on Computers and Communications, 2011

SafeLine: reporting illegal internet content.
Inf. Manag. Comput. Secur., 2010

2010 CoreGRID/ERCIM Workshop on Grids, Clouds and P2P Computing.
Proceedings of the Euro-Par 2010 Parallel Processing Workshops, 2010

Hash-Based Overlay Partitioning in Unstructured Peer-to-Peer Systems.
Parallel Process. Lett., 2009

Imbuing Unstructured P2P Systems with Non-Intrusive Topology Awareness.
Proceedings of the Proceedings P2P 2009, 2009

An Experimental Evaluation of the DQ-DHT Algorithm in a Grid Information Service.
Proceedings of the Grids, 2009

Self-* and Adaptive Mechanisms for Large Scale Distributed Systems.
Proceedings of the Grids, 2009

Cooperative Self-Composition and Discovery of Grid Services in P2P Networks.
Parallel Process. Lett., 2008

Topic 6: Grid and Cluster Computing.
Proceedings of the Euro-Par 2008, 2008

A Scalable Architecture For Discovery And Planning In P2P Service Networks.
Proceedings of the Grid Computing, 2008

Failure Management in Grids: the Case of the EGEE Infrastructure.
Parallel Process. Lett., 2007

Peer-to-Peer resource discovery in Grids: Models and systems.
Future Gener. Comput. Syst., 2007

Design and Implementation of a Hybrid P2P-based Grid Resource Discovery System.
Proceedings of the Making Grids Work: Proceedings of the CoreGRID Workshop on Programming Models Grid and P2P System Architecture Grid Systems, 2007

Approximation algorithms for the k-source multicast tree construction problem.
Networks, 2006

Divide et Impera: Partitioning Unstructured Peer-to-Peer Systems to Improve Resource Location.
Proceedings of the Achievements in European Research on Grid Systems: CoreGRID Integration Workshop 2006, 2006

The Complexity of the Maximal Requests Satisfaction Problem in Multipoint Communication.
Parallel Process. Lett., 2005

Multi-source Trees: Algorithms for Minimizing Eccentricity Cost Metrics.
Proceedings of the Algorithms and Computation, 16th International Symposium, 2005

Compact Multicast Algorithms on Grids and Tori Without Intermediate Buffering.
Parallel Process. Lett., 2002

Uniform emulations of Cartesian-product and Cayley graphs.
Discret. Appl. Math., 2002

Minimum Eccentricity Multicast Trees.
Discret. Math. Theor. Comput. Sci., 2001

Multi-Source Spanning Tree Problems.
J. Interconnect. Networks, 2000

Compact Multicast Algorithms on Grids Without Intermediate Buffering.
Proceedings of the International Conference on Parallel and Distributed Processing Techniques and Applications, 1999

Spanning subgraphs with applications to communication on a subclass of the Cayley-graph-based networks.
Discret. Appl. Math., 1998

Edge-Disjoint Spanning Trees on the Star Network with Applications to Fault Tolerance.
IEEE Trans. Computers, 1996

Spanning Subgraphs with Applications to Communication on the Multidimensional Torus Network.
Parallel Comput., 1996

Optimal Communication Primitives on the Generalized Hypercube Network.
J. Parallel Distributed Comput., 1996

Performance Evaluation and Modeling of Reduction Operations on the IBM RS/6000 SP Parallel Computer.
Proceedings of the Applied Parallel Computing, 1996

Optimal Communication algorithms on Star Graphs Using Spanning Tree Constructions.
J. Parallel Distributed Comput., 1995

Efficient algorithms for global data communication on the multidimensional torus network.
Proceedings of IPPS '95, 1995

Fault tolerant communication algorithms on the star network using disjoint paths.
Proceedings of the 28th Annual Hawaii International Conference on System Sciences (HICSS-28), 1995

A Parallel Algorithm for Computing Fourier Transforms on the Star Graph.
IEEE Trans. Parallel Distributed Syst., 1994

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

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

Optimal Communication Algorithms on the Star Interconnection Network.
Proceedings of the Fifth IEEE Symposium on Parallel and Distributed Processing, 1993