Sciweavers

479 search results - page 36 / 96
» Distances between Data Sets Based on Summary Statistics
Sort
View
BMCBI
2010
124views more  BMCBI 2010»
15 years 2 months ago
Estimating time since infection in early homogeneous HIV-1 samples using a poisson model
Background: The occurrence of a genetic bottleneck in HIV sexual or mother-to-infant transmission has been well documented. This results in a majority of new infections being homo...
Elena E. Giorgi, Bob Funkhouser, Gayathri Athreya,...
TSP
2010
14 years 8 months ago
Testing stationarity with surrogates: a time-frequency approach
An operational framework is developed for testing stationarity relatively to an observation scale, in both stochastic and deterministic contexts. The proposed method is based on a ...
Pierre Borgnat, Patrick Flandrin, Paul Honeine, C&...
PAMI
2012
13 years 4 months ago
Image Signature: Highlighting Sparse Salient Regions
—We introduce a simple image descriptor referred to as the image signature. We show, within the theoretical framework of sparse signal mixing, that this quantity spatially approx...
Xiaodi Hou, Jonathan Harel, Christof Koch
VLDB
2004
ACM
187views Database» more  VLDB 2004»
15 years 7 months ago
Voronoi-Based K Nearest Neighbor Search for Spatial Network Databases
A frequent type of query in spatial networks (e.g., road networks) is to find the K nearest neighbors (KNN) of a given query object. With these networks, the distances between ob...
Mohammad R. Kolahdouzan, Cyrus Shahabi
IMC
2003
ACM
15 years 7 months ago
Constructing internet coordinate system based on delay measurement
In this paper, we consider the problem of how to represent the locations of Internet hosts in a Cartesian coordinate system to facilitate estimate of the network distance between ...
Hyuk Lim, Jennifer C. Hou, Chong-Ho Choi