Social Networks and SNA Presenter: Abram Hindle, and others (such as - - PowerPoint PPT Presentation

Social Networks and SNA

Social Networks and SNA

Presenter: Abram Hindle, and others (such as Chris Bird who led the discussion)

Abram Hindle 1

Social Networks and SNA

SNA Workshop

• Why are they useful – not sure
• We wanted to know problems with mining them

Abram Hindle 2

Social Networks and SNA

Agreed Upon some general topics

• Multi-edge graphs - multiple purpose
• Large network analysis
• Longitudinal SNA

Abram Hindle 3

Social Networks and SNA

Most SNA is about

• Stability
• Centrality
• used for management
• find information and information dissemination
• validating Conway’s law
• trends and being trendy
• Crowston & Howison deal with “Validity Issues”

Abram Hindle 4

Social Networks and SNA

What is SNA good for?

• What to use
• Who uses it
• Who knows it
• Awareness

Abram Hindle 5

Social Networks and SNA

Longitudinal

• measure over time
• snapshots
• measure over snapshot
• metric deltas
• hard to map real world to these changing network

properties

Abram Hindle 6

Social Networks and SNA

Example issue

• The lynchpin, a bottleneck
• The pros and cons of bottlenecks

– Communication complexity – Value of lynchpin

• Social networks in ecologies of applications

Abram Hindle 7

Social Networks and SNA

Conclusions

• SN/SNA used to investigate social structures
• Useful for awareness and expertise
• Social structure is popular for management
• Longitudinal studies combined with SNA is a field ripe

for the picking

• Investigate outside the “box” (software ecologies)

Abram Hindle 8