منابع مشابه
A Random Walk with Exponential Travel Times
Consider the random walk among N places with N(N - 1)/2 transports. We attach an exponential random variable Xij to each transport between places Pi and Pj and take these random variables mutually independent. If transports are possible or impossible independently with probability p and 1-p, respectively, then we give a lower bound for the distribution function of the smallest path at point log...
متن کاملa random walk with exponential travel times
consider the random walk among n places with n(n - 1)/2 transports. we attach an exponential random variable xij to each transport between places pi and pj and take these random variables mutually independent. if transports are possible or impossible independently with probability p and 1-p, respectively, then we give a lower bound for the distribution function of the smallest path at point log...
متن کاملEstimating Travel Times to Forest-Fires Using Resistance Surfaces
The time between when a fire crew is dispatched to a fire and when it arrives is an important factor in determining the size of a forest-fire and the resources required to put the fire out. Traditionally, travel time has been looked at as a point-to-point network problem. In this case, travel (by vehicle and by foot) may start and end at an infinite number of locations across the landscape. A r...
متن کاملValidation of travel times to hospital estimated by GIS
BACKGROUND An increasing number of studies use GIS estimates of car travel times to health services, without presenting any evidence that the estimates are representative of real travel times. This investigation compared GIS estimates of travel times with the actual times reported by a sample of 475 cancer patients who had travelled by car to attend clinics at eight hospitals in the North of En...
متن کاملThe major determinants of Korean outbound travel to Australia
The aims of the paper are two-fold, namely to analyse the seasonal patterns of tourist arrivals from South Korea to Australia, and to use econometric time series modelling to quantify the factors affecting the flow of international tourists between Australia and Korea. Estimates of the effects of changes in income, relative prices, exchange rates, seasonality and other factors are provided, and...
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ژورنال
عنوان ژورنال: Scientific Data
سال: 2019
ISSN: 2052-4463
DOI: 10.1038/s41597-019-0266-4