1. Course Overview & Introduction to Social Network Analysis How to analyse social networks?

2. Introduction Social network is a social structure made up of individuals (or organizations) called “nodes”, which are connected by one or more types of relationships, represented by “links”.  Friendship  Kinship  Common Interest  …. Graph-based structures are very complex. 2 Source: http://followingfactory.com/

3. Introduction Various nature and society systems can be described as complex networks  social systems, biological systems, and communication systems. 3 By presented as a graph, vertices (nodes) represent individuals or organizations and edges (links) represent interaction among them Source: http://www.fmsasg.com/SocialNetworkAnalysis

4. Introduction Why is network anatomy so important to characterize?  Because structure always affects function. For instance, the topology of social networks affects the spread of information. 4

5. Course Overview Mathematics of Graph Measures in Social Networks Presentation of Existing Works Explore Social Network Analysis: Cliques and Sub-Groups Explore Social Network Analysis: Attributes and Relations Explore Social Network Analysis: Cohesion 5

6. Course Overview Explore Social Network Analysis: Sentiment and Friendship Explore Social Network Analysis: Center and Periphery Explore Social Network Analysis: Brokers and Bridges Explore Social Network Analysis: Ranking (Prestige) Explore Social Network Analysis: Genealogies and Citations Mini-Project Presentation 6

7. “Pajek”: Large Network Analysis Software

8. 8 8 Introduction to Slovenian Spider: PajekSlovenian Spider: Pajek  http://vlado.fmf.uni-lj.si/pub/networks/pajek/  Free software  Windows 32 bit Pajek 2.05 “Whom would you choose as a friend ?”

9. 9 9 Introduction to Slovenian Spider: PajekSlovenian Spider: Pajek

10. Social Network Analysis: Theory and Applications Pajek:  http://pajek.imfm.si/doku.php?id=download http://pajek.imfm.si/doku.php?id=download 10 References