70 likes | 266 Views
Emergence of new objects. Peter Bearman Columbia University. Emergence, composition, the right object, temporal bounding,, catenating multiple views, history as a a series of moments experienced from multiple points of view simultaneously .
E N D
Emergence of new objects Peter Bearman Columbia University Emergence, composition, the right object, temporal bounding,, catenating multiple views, history as a a series of moments experienced from multiple points of view simultaneously
There are a number of “open problems” w. dynamic networks. 1) Observation window lengths Source: Bender-deMoll & McFarland “The Art and Science of Dynamic Network Visualization” JoSS Forthcoming
Complete Network Analysis Network Connections: Role Positions Padgett, J. F. and Ansell, C. Just . Robust action and the rise of the Medici, 1400-1434. American Journal of Sociology. 1993; 981259-1319. This is the block reduction of the full 92 family network.
The Temporal Bounding Problem Years are arbitrary delimiters
Using Moving Windows to Freeze Dynamic Process A moving window where the network structure ‘evolves’ as the window moves across the series of killing events
Fecundity and the opportunity for something new Brooke-Mayhew talks, 1991 Sunningdale Agreement, 1973 Anglo-Irish Agreement, 1985 November, 1973 Belfast Agreement, 1998 May 29, 1972 December 25, 1975 1977?? December 24, 1991 June 26, 1972 December 24, 1990 August 31, 1994 Level of exposure 10 5 0 0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2294 1969 1972 1975 1977 1983 1991 1998 2001 Killing events (top), Years (bottom)