Results 141 to 150 of about 197,871 (300)

The Maraca: a tool for minimizing resource conflicts in a non-periodic railway timetable [PDF]

open access: yes, 2011
While mathematical optimization and operations research receive growing attention in the railway sector, computerized timetabling tools that actually make significant use of optimization remain relatively rare. SICS has developed a prototype tool for non-
Aronsson, Martin   +3 more
core  

THE CONTESTED CITY OF VENICE: Caring for Commodified Common Infrastructures in a Touristified Environment

open access: yesInternational Journal of Urban and Regional Research, EarlyView.
Abstract In this essay I reveal contested common infrastructures in the interplay between vanishing public infrastructures in Venice and lack of care by governmental actors in a city with a shrinking number of inhabitants. I examine care and commodified public infrastructures in heritage cities facing mass tourism and climate change effects by zooming ...
Cornelia Dlabaja
wiley   +1 more source

Design and manufacture of a scaled railway track with mechanically variable geometry. [PDF]

open access: yesSci Rep, 2022
Chamorro R   +4 more
europepmc   +1 more source

Speed Increasing of the Střelice - Moravský Krumlov Section [PDF]

open access: yes, 2012
Tato práce si klade za cíl prověřit možnosti zvýšení rychlosti pro traťový úsek Střelice – Moravský Krumlov. Zvýšení rychlosti je posuzováno se současnými geometrickými parametry koleje.
Dvořák, Jiří
core  

WASTELAND ACTIVISM: Political Weeds and Ecological Imaginaries in Montreal

open access: yesInternational Journal of Urban and Regional Research, EarlyView.
Abstract Drawing on ethnographic fieldwork in Montreal, this article examines the ways in which urban dwellers and activists engage with the living materialities of wastelands to illuminate evolving ecological imaginaries and their political potentials.
Daniela Giudici
wiley   +1 more source

The Coloniality of Data: Police Databases and the Rationalization of Surveillance from Colonial Vietnam to the Modern Carceral State

open access: yesThe British Journal of Sociology, EarlyView.
ABSTRACT Tracing the early adoption of computer gang databases by the Los Angeles County Sheriff's Department and the Los Angeles Police Department in the 1980s to the deployment of computationally‐assisted surveillance during the Vietnam War, this paper uses a genealogical approach to compare surveillance technologies developed across the arc of ...
Christina Hughes
wiley   +1 more source

Network Structure and the Efficiency Gains from Mergers: Evidence from U.S. Freight Railroads

open access: yesThe RAND Journal of Economics, EarlyView.
ABSTRACT The trade‐off between market power and efficiency gains is central to antitrust analyses of mergers, but empirical evidence quantifying efficiencies remains limited. Using transaction‐level data from U.S. freight railroads (1985–2005), this article quantifies merger‐induced cost efficiencies, driven mainly by eliminating inter‐railroad ...
Yanyou Chen
wiley   +1 more source

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