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DM
2006
86views more  DM 2006»
15 years 2 months ago
Minimal rankings and the arank number of a path
Given a graph G, a function f : V (G) {1, 2, . . . , k} is a k-ranking of G if f (u) = f (v) implies every u - v path contains a vertex w such that f (w) > f (u). A k-ranking ...
Victor Kostyuk, Darren A. Narayan, Victoria A. Wil...
SIAMDM
2000
159views more  SIAMDM 2000»
15 years 1 months ago
Approximating Fractional Multicommodity Flow Independent of the Number of Commodities
Abstract. We describe fully polynomial time approximation schemes for various multicommodity flow problems in graphs with m edges and n vertices. We present the first approximation...
Lisa Fleischer
HICSS
2008
IEEE
156views Biometrics» more  HICSS 2008»
15 years 8 months ago
A Centrality Measure for Electrical Networks
—We derive a measure of “electrical centrality” for AC power networks, which describes the structure of the network as a function of its electrical topology rather than its p...
Paul Hines, Seth Blumsack
GLOBECOM
2007
IEEE
15 years 8 months ago
Analysis of the Contention Access Phase of a Reservation MAC Protocol for Wide-Area Data Intensive Sensor Networks
— We propose a contention based reservation MAC protocol for a collaborative sensing scenario involving a set of surveillance UAVs communicating with a hub. Data transmission rig...
Arindam Kumar Das, Sumit Roy, Abhijit Mahalanobis
EGOV
2003
Springer
15 years 7 months ago
A Methodological Approach for Defining One-Stop e-Government Service Offerings
Abstract. In the CB-BUSINESS project (IST-2001-33147, http://www.cbbusiness.com/), a number of administrative services from public agencies and professional chambers in different c...
Dimitris Gouscos, Maria A. Lambrou, Gregoris Mentz...