Results 171 to 180 of about 2,081,195 (334)
The Maraca: a tool for minimizing resource conflicts in a non-periodic railway timetable [PDF]
, 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
WASTELAND ACTIVISM: Political Weeds and Ecological Imaginaries in Montreal
International 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
Automatic Defect Description of Railway Track Line Image Based on Dense Captioning. [PDF]
Sensors (Basel), 2022 Wei D, Wei X, Jia L.
europepmc +1 more source
The 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
The Influence of the Type of Fibers on the Reduction of the Threshold Effect in the Transition Zone of a Railway Track. [PDF]
Materials (Basel), 2022 Idczak W +4 more
europepmc +1 more source
Network Structure and the Efficiency Gains from Mergers: Evidence from U.S. Freight Railroads
The 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
Global Policy, EarlyView.ABSTRACT The European Union's proposed Space Law aims to establish a unified approach for sustainable space activities across the EU. While the EU's satellite constellations contribute to sustainability efforts, they can also have negative environmental impacts.
Elena Cirkovic, Vitali Braun
wiley +1 more source
Flexural band gaps and vibration control of a periodic railway track. [PDF]
Sci Rep, 2021 Iqbal M +3 more
europepmc +1 more source
The influence of support conditions on short- and long-term track behaviour [PDF]
Railway track support conditions are known to deeply affect the dynamic performance of vehicle-track interaction, influencing the state of the track system both in the short and in the long term.
Bezin, Yann, Grossoni, Ilaria
core
China's Strategic Approach to Tech Diplomacy in a Time of Global Uncertainty
Global Policy, EarlyView.ABSTRACT In the wake of U.S.‐China technological competition and the COVID‐19 pandemic, “tech diplomacy” has gained prominence in Chinese political and academic discourse. This concept is often ideologically framed to critique Western hegemonic narratives perceived as hindering China's technological advancement.
Zhao Alexandre Huang, Xiang Meng
wiley +1 more source