BCS Sussex
Presentation
Presentation on
Visualization of Large Networks
MITHILEYSH SATHIYANARAYANAN
Email: m.sathiyanarayanan@brighton.ac.uk
Resea...
CONTENTS
 Aim of the Research
 Introduction
 Euler drawing method
 Graph drawing method
 Combining both Euler and Gra...
Aim of the Research
 The aim of the research is to significantly
improve the analysis of big network data
using Euler dia...
Introduction
 Euler diagrams are an attractive information
visualization tool which represent relationship
between the se...
Introduction (Contd.)
Euler diagram Properties
Introduction (Contd.)
Euler diagram Properties (contd.)
Introduction (Contd.)
Euler diagram Properties (contd.)
Introduction (Contd.)
 Graphs (often termed as network diagrams)
represent the relationship between the data
items.
Figur...
Introduction (Contd.)
Graph Properties
Introduction (Contd.)
Graph Properties (contd.)
Introduction (Contd.)
 Euler diagrams + graphs will represent the
relationship between the sets (categories) and
the data...
Introduction (contd.)
 Two important methods in developing Euler
diagrams and Graphs in combination are:
1. Euler drawing...
Euler Drawing Method
 The circle based drawing method for
producing Euler diagram was recently
devised by Stapleton et al...
Euler Drawing Method (contd.)
Remarks:
 Automatically draws Euler diagram using
only circles to represent any data set.
...
Graph Drawing Method
 One of the old and traditional graph
drawing method is Force-Directed
Layouts method [2].
 The for...
Graph Drawing Method (contd.)
Remarks:
 Optimal graph layouts are obtained.
 Avoids edge-crossings.
Combining both drawing Methods
 A relatively new method combining both
Euler drawing method and graph drawing
method will...
Expected Result
The below figure is an example of the expected result
(automatic visualization software) showing Euler dia...
Potential Applications
 Social Network Analysis
 Communication Network Analysis
 Research Network Analysis
 Medical An...
References
THANK YOU
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Visualisation of Large Networks - BCS Sussex Presentation

  1. 1. BCS Sussex Presentation
  2. 2. Presentation on Visualization of Large Networks MITHILEYSH SATHIYANARAYANAN Email: m.sathiyanarayanan@brighton.ac.uk Research Student, School of CEM University of Brighton Supervised by Dr Gem Stapleton, Prof John Howse, Dr Jim Burton
  3. 3. CONTENTS  Aim of the Research  Introduction  Euler drawing method  Graph drawing method  Combining both Euler and Graph drawing methods in the research  Applications  References
  4. 4. Aim of the Research  The aim of the research is to significantly improve the analysis of big network data using Euler diagrams with graphs by automated visualization (Software). Example: Facebook is a grouped network, which has millions of users. This big network needs to be analyzed using an automated tool.
  5. 5. Introduction  Euler diagrams are an attractive information visualization tool which represent relationship between the sets (categories). Figure: Relationship between the Universities
  6. 6. Introduction (Contd.) Euler diagram Properties
  7. 7. Introduction (Contd.) Euler diagram Properties (contd.)
  8. 8. Introduction (Contd.) Euler diagram Properties (contd.)
  9. 9. Introduction (Contd.)  Graphs (often termed as network diagrams) represent the relationship between the data items. Figure: Relationship between the researchers collaborating with different University researchers.
  10. 10. Introduction (Contd.) Graph Properties
  11. 11. Introduction (Contd.) Graph Properties (contd.)
  12. 12. Introduction (Contd.)  Euler diagrams + graphs will represent the relationship between the sets (categories) and the data items (people). Figure: Relationship between the Universities and the lecturers collaborating with the different University lecturers.
  13. 13. Introduction (contd.)  Two important methods in developing Euler diagrams and Graphs in combination are: 1. Euler drawing method 2. Graph drawing method >> Our goal is to combine both the methods successfully considering their properties.
  14. 14. Euler Drawing Method  The circle based drawing method for producing Euler diagram was recently devised by Stapleton et al. [1].  The three different colors are described as different zones as given by the abstract description: {A, B,AB, BC}. Figure: Euler diagram generated
  15. 15. Euler Drawing Method (contd.) Remarks:  Automatically draws Euler diagram using only circles to represent any data set.  Good layout is generated compared to other previous methods.
  16. 16. Graph Drawing Method  One of the old and traditional graph drawing method is Force-Directed Layouts method [2].  The force-directed algorithm is based on the physical model of attraction and repulsion. Figure: Left handed diagram has edge-crossings in graph and right handed diagram has avoided edge-crossings in graph.
  17. 17. Graph Drawing Method (contd.) Remarks:  Optimal graph layouts are obtained.  Avoids edge-crossings.
  18. 18. Combining both drawing Methods  A relatively new method combining both Euler drawing method and graph drawing method will be developed which will have benefits and impacts of Euler diagrams and graphs. Figure: Euler diagram and graph in combination
  19. 19. Expected Result The below figure is an example of the expected result (automatic visualization software) showing Euler diagrams and graph in combination for analyzing research network. Figure: Example shows how researchers are connected in computer field
  20. 20. Potential Applications  Social Network Analysis  Communication Network Analysis  Research Network Analysis  Medical Analysis
  21. 21. References
  22. 22. THANK YOU
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