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» Distance Oracles for Spatial Networks
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WSDM
2010
ACM
199views Data Mining» more  WSDM 2010»
14 years 1 months ago
A Sketch-Based Distance Oracle for Web-Scale Graphs
We study the fundamental problem of computing distances between nodes in large graphs such as the web graph and social networks. Our objective is to be able to answer distance que...
Atish Das Sarma, Sreenivas Gollapudi, Marc Najork,...
GIS
2008
ACM
14 years 5 months ago
Computing isochrones in multi-modal, schedule-based transport networks
Isochrones are defined as the set of all points from which a specific point of interest is reachable within a given time span. This demo paper presents a solution to compute isoch...
Veronika Bauer, Johann Gamper, Roberto Loperfido, ...
GIS
2006
ACM
14 years 5 months ago
Distance join queries on spatial networks
The result of a distance join operation on two sets of objects R, S on a spatial network G is a set P of object pairs <p, q>, p R, q S such that the distance of an object ...
Jagan Sankaranarayanan, Houman Alborzi, Hanan Same...
SIGMOD
2008
ACM
124views Database» more  SIGMOD 2008»
13 years 4 months ago
Scalable network distance browsing in spatial databases
An algorithm is presented for finding the k nearest neighbors in a spatial network in a best-first manner using network distance. The algorithm is based on precomputing the shorte...
Hanan Samet, Jagan Sankaranarayanan, Houman Alborz...

Publication
172views
14 years 6 months ago
The Spatial Patterns Affecting Home to Work Distances of Two-Worker Households
Round-trips between home and work represent, for the majority of people, most of their daily commuting time; also, setting home and work places involves more constraints for two- ...
Surprenant-Legault, J and El-Geneidy A.