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87
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DCG
2006
78views more  DCG 2006»
15 years 15 days ago
A Geometric Study of the Split Decomposition
This paper sheds a new light on the split decomposition theory and T-theory from the viewpoint of convex analysis and polyhedral geometry. By regarding finite metrics as discrete ...
Hiroshi Hirai
COMPLEXITY
2007
94views more  COMPLEXITY 2007»
15 years 14 days ago
Emergence is coupled to scope, not level
Since its application to systems, emergence has been explained in terms of levels of observation. This approach has led to confusion, contradiction, incoherence and at times mysti...
Alex J. Ryan
76
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CSDA
2007
85views more  CSDA 2007»
15 years 14 days ago
Markov models for digraph panel data: Monte Carlo-based derivative estimation
A parametric, continuous-time Markov model for digraph panel data is considered. The parameter is estimated by the method of moments. A convenient method for estimating the varian...
Michael Schweinberger, Tom A. B. Snijders
IJWIS
2007
117views more  IJWIS 2007»
15 years 12 days ago
Patterns and transitions of query reformulation during web searching
— Purpose: To investigate and identify the patterns of interaction between searchers and search engine during Web searching. Design: We examined 2,465,145 interactions from 534,5...
Bernard J. Jansen, Mimi Zhang, Amanda Spink
79
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CORR
2002
Springer
175views Education» more  CORR 2002»
15 years 9 days ago
A continuation semantics of interrogatives that accounts for Baker's ambiguity
Wh-phrases in English have two important properties: first, they can appear both raised and in-situ; second, while in-situ wh-phrases can take semantic scope beyond the immediately...
Chung-chieh Shan