The Thirteenth International Conference on Pervasive Patterns and Applications


April 18, 2021 to April 22, 2021 - Porto, Portugal



Feb 05, 2021


Feb 28, 2021


Mar 11, 2021

Camera ready

Mar 16, 2021


Published by IARIA XPS Press

Archived in the free access ThinkMind Digital Library

Prints available at Curran Associates, Inc.

Authors of selected papers will be invited to submit extended versions to a IARIA Journal

Indexing Procedure

Affiliated Journals

PATTERNS 2021 - The Thirteenth International Conference on Pervasive Patterns and Applications

April 18, 2021 - April 22, 2021

Onsite and Online Options: In order to accommodate a large number of situations, we are offering the option for either physical presence or virtual participation (pdf slides or pre-recorded videos).

ISSN: 2308-3557
ISBN: 978-1-61208-850-1

PATTERNS 2021 is colocated with the following events as part of ComputationWorld 2021 Congress:

  • SERVICE COMPUTATION 2021, The Thirteenth International Conference on Advanced Service Computing
  • CLOUD COMPUTING 2021, The Twelfth International Conference on Cloud Computing, GRIDs, and Virtualization
  • FUTURE COMPUTING 2021, The Thirteenth International Conference on Future Computational Technologies and Applications
  • COGNITIVE 2021, The Thirteenth International Conference on Advanced Cognitive Technologies and Applications
  • ADAPTIVE 2021, The Thirteenth International Conference on Adaptive and Self-Adaptive Systems and Applications
  • CONTENT 2021, The Thirteenth International Conference on Creative Content Technologies
  • PATTERNS 2021, The Thirteenth International Conference on Pervasive Patterns and Applications
  • COMPUTATION TOOLS 2021, The Twelfth International Conference on Computational Logics, Algebras, Programming, Tools, and Benchmarking
  • BUSTECH 2021, The Eleventh International Conference on Business Intelligence and Technology

PATTERNS 2021 Steering Committee


Patrick Siarry
Université Paris-Est Créteil


Alexander Mirnig
University of Salzburg


Wladyslaw Homenda
Warsaw University of Technology


Herwig Manaert
University of Antwerp


Yuji Iwahori
Chubu University


George A. Papakostas
International Hellenic University - Kavala


Adel Al-Jumaily
University of Technology



Special tracks:

EMPAT-2021: Evolvable Modularity Patterns
Chair and Coordinator: Prof. Dr. Herwig Mannaert, University of Antwerp, Belgium


PATTERNS 2021 conference tracks:

Basics on patterns

Design patterns; Static and dynamic patterns; Pattern identification and extraction; Validate patterns; Patterns’ accuracy; Incomplete patterns; Patterns and noise

Patterns at work

Pattern logics and algebras; Pattern recognition; Pattern matching; Pattern languages; Patterns languages/models pitfalls; Pattern specification/modeling; Pattern validation; Pattern composition; Pattern reuse; Testing in pattern-based designed systems; Manageability and maintenance of pattern-based designed systems; Architecture, architectural design and the built environment

Classification patterns

Dynamic ensemble selection; Diversity-based ensemble; Ensemble Classification; Ensemble Clustering; Active Learning from video streams patterns; Geodesic-based similarities; Leaf species classification; Clothing image characterization; Mountain drainage patterns; Texture classification; Large scale image categorization; Clustering Web search frequency; Descriptors for food recognition; Signal patterns; High-speed video patterns

Medical and facial image patterns

Global similarities; Image quality assessment; Discovering images ROI (Regions of Interest); Features semantic relations; Lesion detection; 3D Face structures; Facial expression recognition; Shared feature learning; Video-to-Video face recognition; Learning patterns of disabled/elderly; Using therapeutic data; Malignancy-oriented patterns; Detection of misalignment; Image-based navigation systems

Tracking human patterns

Tracking Multiple Persons; Tracking in Crowded situations; Tracking by adapting detectors; Part-based appearance; Structure-constrained motion; Structure sparsity-based representation; Dominant colors patterns; Population drift-based features; Drivers face detection; Authentication via pore patterns; Iris segmentation systems; Rapid facial movements systems; Appearance-based feature analysis; Sketch recognition patterns; Mobile devices adaptive classification; Direction change patterns; Human action recognition; Appearance-based gaze tracking patterns; Free head movement patterns; Pattern-based locaization

Action recognition patterns

Pre-classification of handwritten characters; Action classification; Classification of human actions; Activity recognition in Smart homes; Learning for activity representation; Bag-of-Words for action recognition; Room occupancy patterns

Color and texture patterns

Texture classification; Extracting texture features; Texture-based descriptors; Color image patterns; Shape co-occurrence patterns; Fluorescence microscopy images; Texture defect detection patterns

Ubiquity patterns

User mobility patterns; Social networking patterns; Content dependency patterns; Content accessing patterns; Behavioral autonomy patterns; Prediction patterns /behavioral, structure, environment/; Patterns of discovery

Software patterns

Software design patterns; Software reuse patterns; Software quality patterns; Software testing patterns; Software performance, security, and safety patterns; Software management patterns; Patterns for evolving software elements

Security patterns

Security patterns; Patterns of trust; Attack patterns; Authorization patterns; Failed access patterns; Intrusion attempt patterns; Local malware patterns; Distributed malware patterns; Predictive patterns; Mobility patterns; Tracking patterns

System management patterns

Management and control patterns; Monitoring patterns; Correlation patterns; Event patterns; Visualization patterns

Discovery and decision patterns

Search patterns; Data mining for patterns; Query patterns; Knowledge patterns; Behavioral patterns; Reasoning patterns; Decision patterns; Patterns in WWW; Predictive patterns; Mobility patterns; Tracking patterns

Communications patterns

Communication patterns; Propagation patterns; Traffic/routing patterns; P2P and P4P patterns; Configuration change patterns; System abnormal behavior patterns

Domain-oriented patterns

Forensic patterns; Genomic patterns; Image patterns; Voice patterns; Speech patterns; Hand writing patterns; Text-embedded sentiment patterns; Emotion recognition patterns; Site access patterns; Service orchestration; Keyboard typing patterns; Financial/stock patterns; Shopping patterns; Dietary patterns; Global warming patterns; Job market patterns; Stock movement patterns; Investing patterns

Antipatterns and lessons learned

Architectural; Design; Development; People and project management; Social



Feb 05, 2021


Feb 28, 2021


Mar 11, 2021

Camera ready

Mar 16, 2021

Technical Co-Sponsors and Logistic Supporters