Athena Vakali

According to our database1, Athena Vakali authored at least 186 papers between 1991 and 2020.

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Bibliography

2020
A Methodology for Runtime Detection and Extraction of Threat Patterns.
SN Comput. Sci., 2020

My tweets bring all the traits to the yard: Predicting personality and relational traits in Online Social Networks.
CoRR, 2020

On the Aggression Diffusion Modeling and Minimization in Online Social Networks.
CoRR, 2020

CityDNA Dynamics: A Model for Smart City Maturity and Performance Benchmarking.
Proceedings of the Companion of The 2020 Web Conference 2020, 2020

TRIAGE: Temporal Twitter attribute graph patterns.
Proceedings of the WIMS 2020: The 10th International Conference on Web Intelligence, Mining and Semantics, Biarritz, France, June 30, 2020

DeCStor: A Framework for Privately and Securely Sharing Files Using a Public Blockchain.
Proceedings of the Discovery Science - 23rd International Conference, 2020

2019
Detecting Cyberbullying and Cyberaggression in Social Media.
ACM Trans. Web, 2019

Introduction to the special issue on social data analytics in medicine and healthcare.
Int. J. Data Sci. Anal., 2019

Behind the cues: A benchmarking study for fake news detection.
Expert Syst. Appl., 2019

A Systematic Review for Smart City Data Analytics.
ACM Comput. Surv., 2019

TOMI: A Framework for Smart Tourism on the Move Innovation.
Proceedings of the Companion of The 2019 World Wide Web Conference, 2019

A Unified Deep Learning Architecture for Abuse Detection.
Proceedings of the 11th ACM Conference on Web Science, 2019

A crowdsourcing approach to advance collective awareness and social good practices.
Proceedings of the 2019 IEEE/WIC/ACM International Conference on Web Intelligence, 2019

Software technologies skills: A graph-based study to capture their associations and dynamics.
Proceedings of the 9th Balkan Conference on Informatics, 2019

2018
Flickr and Twitter Data Analysis.
Proceedings of the Encyclopedia of Social Network Analysis and Mining, 2nd Edition, 2018

Evolving Social Graph Clustering.
Proceedings of the Encyclopedia of Social Network Analysis and Mining, 2nd Edition, 2018

Security Services.
Proceedings of the Encyclopedia of Database Systems, Second Edition, 2018

Access Control Policy Languages.
Proceedings of the Encyclopedia of Database Systems, Second Edition, 2018

Smart Cities at Risk!: Privacy and Security Borderlines from Social Networking in Cities.
Proceedings of the Companion of the The Web Conference 2018 on The Web Conference 2018, 2018

LOCAST: Optimal Location Casting by Crowdsourcing and Open Data Integration.
Proceedings of the 2018 IEEE/WIC/ACM International Conference on Web Intelligence, 2018

Fake Review Detection via Exploitation of Spam Indicators and Reviewer Behavior Characteristics.
Proceedings of the SOFSEM 2018: Theory and Practice of Computer Science - 44th International Conference on Current Trends in Theory and Practice of Computer Science, Krems, Austria, January 29, 2018

Demo: Diligent - An OSN Data Integration System Based on Reactive Microservices.
Proceedings of the 2018 IEEE International Conference on Smart Computing, 2018

Demo: Bostonhood: A Multi-criteria Platform for Ranking City Neighborhoods.
Proceedings of the 2018 IEEE International Conference on Smart Computing, 2018

Large Scale Crowdsourcing and Characterization of Twitter Abusive Behavior.
Proceedings of the Twelfth International Conference on Web and Social Media, 2018

2017
DynamiCITY: Revealing city dynamics from citizens social media broadcasts.
Inf. Syst., 2017

Sentiment analysis leveraging emotions and word embeddings.
Expert Syst. Appl., 2017

Detecting variation of emotions in online activities.
Expert Syst. Appl., 2017

Experience of emotion in face to face and computer-mediated social interactions: An event sampling study.
Comput. Hum. Behav., 2017

Vol4All: A Volunteering Platform to Drive Innovation and Citizens Empowerment.
Proceedings of the 26th International Conference on World Wide Web Companion, 2017

CityDNA: Smart City Dimensions' Correlations for Identifying Urban Profile.
Proceedings of the 26th International Conference on World Wide Web Companion, 2017

Measuring #GamerGate: A Tale of Hate, Sexism, and Bullying.
Proceedings of the 26th International Conference on World Wide Web Companion, 2017

Detecting Aggressors and Bullies on Twitter.
Proceedings of the 26th International Conference on World Wide Web Companion, 2017

Mean Birds: Detecting Aggression and Bullying on Twitter.
Proceedings of the 2017 ACM on Web Science Conference, 2017

Hate is not Binary: Studying Abusive Behavior of #GamerGate on Twitter.
Proceedings of the 28th ACM Conference on Hypertext and Social Media, 2017

Class-based Prediction Errors to Detect Hate Speech with Out-of-vocabulary Words.
Proceedings of the First Workshop on Abusive Language Online, 2017

2016
PerSaDoR: Personalized social document representation for improving web search.
Inf. Sci., 2016

Early malicious activity discovery in microblogs by social bridges detection.
Proceedings of the 2016 IEEE International Symposium on Signal Processing and Information Technology, 2016

Smart Cities Tales and Trails.
Proceedings of the Internet Science - Third International Conference, 2016

A Distributed Framework for Early Trending Topics Detection on Big Social Networks Data Threads.
Proceedings of the Advances in Big Data, 2016

A multi-layer software architecture framework for adaptive real-time analytics.
Proceedings of the 2016 IEEE International Conference on Big Data, 2016

2015
User communities evolution in microblogs: A public awareness barometer for real world events.
World Wide Web, 2015

Harvesting Opinions and Emotions from Social Media Textual Resources.
IEEE Internet Comput., 2015

Exploriometer: Leveraging Personality Traits for Coverage and Diversity Aware Recommendations.
Proceedings of the 24th International Conference on World Wide Web Companion, 2015

Retweeting Activity on Twitter: Signs of Deception.
Proceedings of the Advances in Knowledge Discovery and Data Mining, 2015

ND-Sync: Detecting Synchronized Fraud Activities.
Proceedings of the Advances in Knowledge Discovery and Data Mining, 2015

MultiSpot: Spotting Sentiments with Semantic Aware Multilevel Cascaded Analysis.
Proceedings of the Big Data Analytics and Knowledge Discovery, 2015

2014
Contextual object category recognition for RGB-D scene labeling.
Robotics Auton. Syst., 2014

Collaborative event annotation in tagged photo collections.
Multim. Tools Appl., 2014

Smart Cities Data Streams Integration: experimenting with Internet of Things and social data flows.
Proceedings of the 4th International Conference on Web Intelligence, 2014

EmoTube: A Sentiment Analysis Integrated Environment for Social Web Content.
Proceedings of the 4th International Conference on Web Intelligence, 2014

Towards a Framework for Social Semiotic Mining.
Proceedings of the 4th International Conference on Web Intelligence, 2014

Foreword to 3M4City Workshop.
Proceedings of the 4th International Conference on Web Intelligence, 2014

Branty: A Social Media Ranking Tool for Brands.
Proceedings of the Machine Learning and Knowledge Discovery in Databases, 2014

A Conceptual Enterprise Architecture Framework for Smart Cities - A Survey Based Approach.
Proceedings of the ICE-B 2014, 2014

2013
Capturing Social Data Evolution Using Graph Clustering.
IEEE Internet Comput., 2013

Integrating similarity and dissimilarity notions in recommenders.
Expert Syst. Appl., 2013

Community Detection in Social Media by Leveraging Interactions and Intensities.
Proceedings of the Web Information Systems Engineering - WISE 2013, 2013

Using social annotations to enhance document representation for personalized search.
Proceedings of the 36th International ACM SIGIR conference on research and development in Information Retrieval, 2013

Requirements and architecture design principles for a smart city experiment with sensor and social networks integration.
Proceedings of the 17th Panhellenic Conference on Informatics, 2013

Semi-supervised Concept Detection by Learning the Structure of Similarity Graphs.
Proceedings of the Advances in Multimedia Modeling, 19th International Conference, 2013

Dissimilarity Features in Recommender Systems.
Proceedings of the 13th IEEE International Conference on Data Mining Workshops, 2013

Sensors talk and humans sense Towards a reciprocal collective awareness smart city framework.
Proceedings of the IEEE International Conference on Communications, 2013

Social Data Sentiment Analysis in Smart Environments - Extending Dual Polarities for Crowd Pulse Capturing.
Proceedings of the DATA 2013 - Proceedings of the 2nd International Conference on Data Technologies and Applications, Reykjavík, Iceland, 29, 2013

Compact and Distinctive Visual Vocabularies for Efficient Multimedia Data Indexing.
Proceedings of the Advances in Databases and Information Systems, 2013

New Trends in Databases and Information Systems: Contributions from ADBIS 2013.
Proceedings of the New Trends in Databases and Information Systems, 2013

Micro-blogging Content Analysis via Emotionally-Driven Clustering.
Proceedings of the 2013 Humaine Association Conference on Affective Computing and Intelligent Interaction, 2013

2012
Mani-Web: Large-Scale Web Graph Embedding via Laplacian Eigenmap Approximation.
IEEE Trans. Syst. Man Cybern. Part C, 2012

In & out zooming on time-aware user/tag clusters.
J. Intell. Inf. Syst., 2012

Community detection in Social Media - Performance and application considerations.
Data Min. Knowl. Discov., 2012

Social networking trends and dynamics detection via a cloud-based framework design.
Proceedings of the 21st World Wide Web Conference, 2012

Introduction to the Proceedings of the Workshop on Social Web Analytics for Trend Detection (SoWeTrend) 2012.
Proceedings of the Web Information Systems Engineering - WISE 2011 and 2012 Workshops, 2012

Evolving social data mining and affective analysis methodologies, framework and applications.
Proceedings of the 16th International Database Engineering & Applications Symposium, 2012

Towards a Narrative-Aware Design Framework for Smart Urban Environments.
Proceedings of the Future Internet, 2012

Urban Planning and Smart Cities: Interrelations and Reciprocities.
Proceedings of the Future Internet, 2012

2011
Innovations and Trends in Web Data Management.
Proceedings of the New Directions in Web Data Management 1, 2011

Leveraging Massive User Contributions for Knowledge Extraction.
Proceedings of the Next Generation Data Technologies for Collective Computational Intelligence, 2011

Massive Graph Management for the Web and Web 2.0.
Proceedings of the New Directions in Web Data Management 1, 2011

A Clustering-Driven LDAP Framework.
ACM Trans. Web, 2011

Cloud computing [Guest Editorial].
IEEE Netw., 2011

Cluster-Based Landmark and Event Detection for Tagged Photo Collections.
IEEE Multim., 2011

Editorial for special issue Internet-based Content Delivery.
Comput. Networks, 2011

Summarization Meets Visualization on Online Social Networks.
Proceedings of the 2011 IEEE/WIC/ACM International Conference on Web Intelligence, 2011

Towards a User-Aware Virtual Museum.
Proceedings of the Third International Conference on Games and Virtual Worlds for Serious Applications, 2011

Social Web Mashups Full Completion via Frequent Sequence Mining.
Proceedings of the World Congress on Services, 2011

City exploration by use of spatio-temporal analysis and clustering of user contributed photos.
Proceedings of the 1st International Conference on Multimedia Retrieval, 2011

CERTH @ MediaEval 2011 Social Event Detection Task.
Proceedings of the Working Notes Proceedings of the MediaEval 2011 Workshop, 2011

Utilization-Aware Redirection Policy in CDN: A Case for Energy Conservation.
Proceedings of the Information and Communication on Technology for the Fight against Global Warming, 2011

Detecting the long-tail of Points of Interest in tagged photo collections.
Proceedings of the 9th International Workshop on Content-Based Multimedia Indexing, 2011

Emotional Aware Clustering on Micro-blogging Sources.
Proceedings of the Affective Computing and Intelligent Interaction, 2011

Community Detection in Collaborative Tagging Systems.
Proceedings of the Community-Built Databases - Research and Development., 2011

Combining Multi-modal Features for Social Media Analysis.
Proceedings of the Social Media Modeling and Computing., 2011

2010
Harvesting Intelligence in Multimedia Social Tagging Systems.
Proceedings of the Emergent Web Intelligence: Advanced Information Retrieval, 2010

CDNsim: A simulation tool for content distribution networks.
ACM Trans. Model. Comput. Simul., 2010

The Dynamics of Content Popularity in Social Media.
Int. J. Data Warehous. Min., 2010

Clustering dense graphs: A web site graph paradigm.
Inf. Process. Manag., 2010

Exploring temporal aspects in user-tag co-clustering.
Proceedings of the 11th International Workshop on Image Analysis for Multimedia Interactive Services, 2010

Hydra: an open framework for virtual-fusion of recommendation filters.
Proceedings of the 2010 ACM Conference on Recommender Systems, 2010

Dynamic Code Generation for Cultural Content Management.
Proceedings of the 14th Panhellenic Conference on Informatics, 2010

ClustTour: city exploration by use of hybrid photo clustering.
Proceedings of the 18th International Conference on Multimedia 2010, 2010

Image clustering through community detection on hybrid image similarity graphs.
Proceedings of the International Conference on Image Processing, 2010

Automatic extraction of structure, content and usage data statistics of web sites.
Proceedings of the HT'10, 2010

Integrating Web 2.0 Data into Linked Open Data Cloud via Clustering.
Proceedings of the Workshop on Linked Data in the Future Internet at the Future Internet Assembly, 2010

A Graph-Based Clustering Scheme for Identifying Related Tags in Folksonomies.
Proceedings of the Data Warehousing and Knowledge Discovery, 12th International Conference, 2010

Tag Disambiguation through Flickr and Wikipedia.
Proceedings of the Database Systems for Advanced Applications, 2010

2009
Security Services.
Proceedings of the Encyclopedia of Database Systems, 2009

Access Control Policy Languages.
Proceedings of the Encyclopedia of Database Systems, 2009

CDNs Content Outsourcing via Generalized Communities.
IEEE Trans. Knowl. Data Eng., 2009

Cloud Computing: Distributed Internet Computing for IT and Scientific Research.
IEEE Internet Comput., 2009

A new approach to web users clustering and validation: a divergence-based scheme.
Int. J. Web Inf. Syst., 2009

Fuzzy lattice reasoning (FLR) type neural computation for weighted graph partitioning.
Neurocomputing, 2009

A fuzzy bi-clustering approach to correlate web users and pages.
Int. J. Knowl. Web Intell., 2009

Automating the manufacturing process under a web based framework.
Adv. Eng. Softw., 2009

Clustering of Social Tagging System Users: A Topic and Time Based Approach.
Proceedings of the Web Information Systems Engineering, 2009

Benchmark graphs for the evaluation of Clustering Algorithms.
Proceedings of the Third IEEE International Conference on Research Challenges in Information Science, 2009

Evaluating the utility of content delivery networks.
Proceedings of the 4th Workshop on the Use of P2P, 2009

Next generation content networks: trends and challenges.
Proceedings of the 4th Workshop on the Use of P2P, 2009

Mining the Community Structure of a Web Site.
Proceedings of the 2009 Fourth Balkan Conference in Informatics, 2009

2008
Prefetching in Content Distribution Networks via Web Communities Identification and Outsourcing.
World Wide Web, 2008

Time-Aware Web Users' Clustering.
IEEE Trans. Knowl. Data Eng., 2008

Non-linear correlation of content and metadata information extracted from biomedical article datasets.
J. Biomed. Informatics, 2008

Integrating Caching Techniques in CDNs using a Classification Approach.
Int. J. Bus. Data Commun. Netw., 2008

A clustering-based prefetching scheme on a Web cache environment.
Comput. Electr. Eng., 2008

Correlating Time-Related Data Sources with Co-clustering.
Proceedings of the Web Information Systems Engineering, 2008

Co-Clustering Tags and Social Data Sources.
Proceedings of the Ninth International Conference on Web-Age Information Management, 2008

SEMSOC: SEMantic, SOcial and Content-Based Clustering in Multimedia Collaborative Tagging Systems.
Proceedings of the 2th IEEE International Conference on Semantic Computing (ICSC 2008), 2008

A Structure-Based Clustering on LDAP Directory Information.
Proceedings of the Foundations of Intelligent Systems, 17th International Symposium, 2008

2007
Domain Knowledge Based Queries for Multimedia Data Retrieval.
J. Digit. Inf. Manag., 2007

Validation and interpretation of Web users' sessions clusters.
Inf. Process. Manag., 2007

Gene functional annotation by statistical analysis of biomedical articles.
Int. J. Medical Informatics, 2007

Clustering subjects in a credential-based access control framework.
Comput. Secur., 2007

2006
QoS-oriented negotiation in disk subsystems.
Data Knowl. Eng., 2006

Insight and perspectives for content delivery networks.
Commun. ACM, 2006

Credential-Based Policies Management in an Access Control Framework Protecting XML Resources.
Proceedings of the Computer and Information Sciences, 2006

A similarity based approach for integrated Web caching and content replication in CDNs.
Proceedings of the Tenth International Database Engineering and Applications Symposium (IDEAS 2006), 2006

Replication Based on Objects Load under a Content Distribution Network.
Proceedings of the 22nd International Conference on Data Engineering Workshops, 2006

A Divergence-Oriented Approach for Web Users Clustering.
Proceedings of the Computational Science and Its Applications, 2006

Integrating Caching Techniques on a Content Distribution Network.
Proceedings of the Advances in Databases and Information Systems, 2006

2005
XML Data Stores: Emerging Practices.
IEEE Internet Comput., 2005

XML Document Indexes: A Classification.
IEEE Internet Comput., 2005

PDetect: A Clustering Approach for Detecting Plagiarism in Source Code Datasets.
Comput. J., 2005

FRES-CAR: An Adaptive Cache Replacement Policy.
Proceedings of the 2005 International Workshop on Challenges in Web Information Retrieval and Integration (WIRI 2005), 2005

A Latency-Based Object Placement Approach in Content Distribution Networks.
Proceedings of the Third Latin American Web Congress (LA-Web 2005), 1 October, 2005

Model-Based Cluster Analysis for Web Users Sessions.
Proceedings of the Foundations of Intelligent Systems, 15th International Symposium, 2005

A Logic Based Approach for the Multimedia Data Representation and Retrieval.
Proceedings of the Seventh IEEE International Symposium on Multimedia (ISM 2005), 2005

Functional Annotation of Genes through Statistical Analysis of Biomedical Articles.
Proceedings of the 16th International Workshop on Database and Expert Systems Applications (DEXA 2005), 2005

Intrusion Detection in RBAC-administered Databases.
Proceedings of the 21st Annual Computer Security Applications Conference (ACSAC 2005), 2005

Storage and Access Control Issues for XML Documents.
Proceedings of the Encyclopedia of Information Science and Technology (5 Volumes), 2005

2004
A simulated annealing approach for multimedia data placement.
J. Syst. Softw., 2004

MPEG-7 based description schemes for multi-level video content classification.
Image Vis. Comput., 2004

LDAP: Framework, Practices, and Trends.
IEEE Internet Comput., 2004

A learning-automata-based controller for client/server systems.
Neurocomputing, 2004

Web-based delegation using XML.
Proceedings of the IEEE International Conference on Systems, 2004

A probabilistic validation algorithm for Web users' clusters.
Proceedings of the IEEE International Conference on Systems, 2004

Semantic retrieval of multimedia data.
Proceedings of the Second ACM International Workshop on Multimedia Databases, 2004

An XML-Based Bootstrapping Method for Pattern Acquisition.
Proceedings of the ICEIS 2004, 2004

An Overview of Web Data Clustering Practices.
Proceedings of the Current Trends in Database Technology - EDBT 2004 Workshops, 2004

XML-Based Revocation and Delegation in a Distributed Environment.
Proceedings of the Current Trends in Database Technology - EDBT 2004 Workshops, 2004

2003
Content Delivery Networks: Status and Trends.
IEEE Internet Comput., 2003

Hierarchical data placement for navigational multimedia applications.
Data Knowl. Eng., 2003

An XML-based language for access control specifications in an RBAC environment.
Proceedings of the IEEE International Conference on Systems, 2003

Knowledge Representation, Ontologies, and the Semantic Web.
Proceedings of the Web Technologies and Applications, 5th Asian-Pacific Web Conference, 2003

A Study on Workload Characterization for a Web Proxy Server.
Proceedings of the 21st IASTED International Multi-Conference on Applied Informatics (AI 2003), 2003

2002
Evolutionary Techniques for Web Caching.
Distributed Parallel Databases, 2002

Video data storage policies: an access frequency based approach.
Comput. Electr. Eng., 2002

A Distributed Database Server for Continuous Media.
Proceedings of the 18th International Conference on Data Engineering, San Jose, CA, USA, February 26, 2002

2001
Proxy Cache Replacement Algorithms: A History-Based Approach.
World Wide Web, 2001

Multimedia Data Storage and Representation Issues on Tertiary Storage Subssystems: An Overview.
ACM SIGOPS Oper. Syst. Rev., 2001

Internet based auctions: a survey on models and applications.
SIGecom Exch., 2001

A feedback-based model for I/O servicing.
Comput. Electr. Eng., 2001

Security Model for XML Data.
Proceedings of the International Conference on Internet Computing, 2001

Querying XML with Constraints.
Proceedings of the International Conference on Internet Computing, 2001

A QoS based disk subsystem.
Proceedings of the ISCA 16th International Conference Computers and Their Applications, 2001

2000
Data placement schemes in replicated mirrored disk systems.
J. Syst. Softw., 2000

Data block prefetching and caching in a hierarchical storage model.
Inf. Sci., 2000

Designing a learning-automata-based controller for client/server systems: a methodology.
Proceedings of the 12th IEEE International Conference on Tools with Artificial Intelligence (ICTAI 2000), 2000

A New Approach to the Design of High Performance Multiple Disk Subsystems: Dynamic Load Balancing Schemes.
Proceedings of the High-Performance Computing and Networking, 8th International Conference, 2000

LRU-based Algorithms for Web Cache Replacement.
Proceedings of the Electronic Commerce and Web Technologies, 2000

Evolutionary Prefetching and Caching in an Independent Storage Units Model.
Proceedings of the Advances in Information Systems, First International Conference, 2000

1999
Caching Techniques for Parallel I/O Servicing.
Proceedings of the International Conference on Parallel and Distributed Processing Techniques and Applications, 1999

A Web-Based Evolutionary Model for Internet Data Caching.
Proceedings of the 10th International Workshop on Database & Expert Systems Applications, 1999

1998
Replication in Mirrored Disk Systems.
Proceedings of the Advances in Databases and Information Systems, 1998

1997
An Exact Analysis on Expected Seeks in Shadowed Disks.
Inf. Process. Lett., 1997

Parallel data paths in two-headed disk systems.
Inf. Softw. Technol., 1997

1996
The Impact of Seeking in Partial Match Retrieval.
Proceedings of the Seventh International Workshop on Database and Expert Systems Applications, 1996

1995
Partial Match Retrieval in Two-Headed Disk Systems
Proceedings of the Database and Expert Systems Applications, 1995

1991
Seek Distances in Disks with Two Independent Heads Per Surface.
Inf. Process. Lett., 1991


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