Results 281 to 290 of about 276,249 (314)
Some of the next articles are maybe not open access.
Faster Customization of Road Networks
2013A wide variety of algorithms can answer exact shortest-path queries in real time on continental road networks, but they typically require significant preprocessing effort. Recently, the customizable route planning (CRP) approach has reduced the time to process a new cost function to a fraction of a minute.
Daniel Delling, Renato F. Werneck
openaire +1 more source
Obstacles on the road to global networking
Computer Networks and ISDN Systems, 1993Abstract Although many academic networks are organised primarily on a national basis, the flow of ideas has never recognised national boundaries. Whether they realise it or not, most researchers have access from their nearest computer to a huge global network, the Internet, connecting academic institutions and industrial research groups across the ...
openaire +1 more source
2008
Let $\mathcal{N}$ and $\mathcal{M}$ be two road networks represented in vector form and covering rectangular areas Rand R?, respectively, not necessarily parallel to each other, but with R? ? R. We assume that $\mathcal{N}$ and $\mathcal{M}$ use different coordinate systems at (possibly) different, but known scales.
Yago Diez +2 more
openaire +1 more source
Let $\mathcal{N}$ and $\mathcal{M}$ be two road networks represented in vector form and covering rectangular areas Rand R?, respectively, not necessarily parallel to each other, but with R? ? R. We assume that $\mathcal{N}$ and $\mathcal{M}$ use different coordinate systems at (possibly) different, but known scales.
Yago Diez +2 more
openaire +1 more source
Road safety performance indicators for the interurban road network
Accident Analysis & Prevention, 2013Various road safety performance indicators (SPIs) have been proposed for different road safety research areas, mainly as regards driver behaviour (e.g. seat belt use, alcohol, drugs, etc.) and vehicles (e.g. passive safety); however, no SPIs for the road network and design have been developed. The objective of this research is the development of an SPI
George, Yannis +6 more
openaire +2 more sources
Compression of Digital Road Networks
2007In the consumer market, there has been an increasing interest in portable navigation systems in the last few years. These systems usually work on digital map databases stored on SD cards. As the price for these SD cards heavily depends on their capacity and as digital map databases are rather space-consuming, relatively high hardware costs go along ...
Jonghyun Suh +5 more
openaire +1 more source
Fréchet-Distance on Road Networks
2011As a measure for the resemblance of tracks in a network graph, we consider the so-called Freechet-distance based on network distance. For paths P and Q consisting of p and q consecutive edges, an O((p2+q2)logpq) time algorithm measuring the Freechet-distance between P and Q is developed.
Chenglin Fan, Jun Luo 0008, Binhai Zhu
openaire +1 more source
On Balanced Separators in Road Networks
2015The following algorithm partitions road networks surprisingly well: i sort the vertices by longitude or latitude, or some linear combination and ii compute the maximum flow from the first $$k$$ nodes forming the source to the last $$k$$ nodes forming the sink.
Aaron Schild, Christian Sommer 0001
openaire +1 more source
Assessing and enhancing urban road network resilience under rainstorm waterlogging disasters
Transportation Research, Part D: Transport and Environment, 2023Yixin Wang, Haonan He
exaly