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The railway information system as a queueing system
statistics information systems failures queuing system railway frequency of failures
2010/11/1
The present article dwells upon the Information System (IS) of Latvian railways providing the analysis of the queuing system (QS) used to removing defects occurring in the infinite linear queuing syst...
Optimisation of railway terminal design and operations using Villon generic simulation model
simulation model simulation tool railway terminal design optimisation Villon
2010/11/1
Railway service terminals (nodes) are the places of a railway network equipped with costly technology based on high complexity technological procedures demanding a high degree of coordination and cont...
Improvement of railway topographic plans updating technologies
aerial photogrammetry railway stereo model digital aerial triangulation update
2010/11/2
Peculiar technologies on the update of topographic map linear objects to scale 1:500–1:2000 are presented. Due to that resulted peculiarities make aerial photographs, carrying out digital aerial trian...