Emergence of new objects Peter Bearman Columbia University

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 a number of “open problems” w. dynamic networks. 1) Observation window lengths Source: Bender-de. Moll & Mc. Farland “The Art and Science of Dynamic Network Visualization” Jo. SS 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; 9812591319. 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

SEQUENCES OF DIFFERENT LENGTHS ARISE

Fecundity and the opportunity for something new Brooke-Mayhew talks, 1991 Sunningdale Agreement, 1973 Anglo-Irish Agreement, 1985 November, 1973 May 29, 1972 December 25, 1975 1977? ? June 26, 1972 December 24, 1991 December 24, 1990 Level of exposure August 31, 1994 10 5 0 0 1969 200 400 1972 600 800 1975 1000 1200 1977 1400 1600 1983 1800 2000 1991 Killing events (top), Years (bottom) Belfast Agreement, 1998 2200 1998 2294 2001