Results 121 to 130 of about 118,691,665 (153)
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Journal of Consumer Studies & Home Economics, 1983
One of the worst things about being disabled is the loneliness. Able‐bodied people do not have to wait for busy friends to find time to visit them. They can get on to a bus or a tube or a train and go visiting, or to the shops or a cinema or club, as the mood takes them. If you are in a wheelchair, you can't.
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One of the worst things about being disabled is the loneliness. Able‐bodied people do not have to wait for busy friends to find time to visit them. They can get on to a bus or a tube or a train and go visiting, or to the shops or a cinema or club, as the mood takes them. If you are in a wheelchair, you can't.
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International Disability Studies, 1987
ERICA (European Research Into Consumer Affairs) is engaged in research into problems faced, notably by the underprivileged, in the countries of the European Economic Community (EEC). An early project investigated dial-a-ride systems for the transport of disabled people in six EEC countries.
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ERICA (European Research Into Consumer Affairs) is engaged in research into problems faced, notably by the underprivileged, in the countries of the European Economic Community (EEC). An early project investigated dial-a-ride systems for the transport of disabled people in six EEC countries.
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Feasibility Testing for Dial-a-Ride Problems
2010Hunsaker and Savelsbergh have proposed an algorithm for testing feasibility of a route in the solution to the dial-a-ride problem. The constraints that are checked are load capacity constraints, time windows, ride time bounds and wait time bounds. The algorithm has linear running time.
Dag Haugland, Sin C. Ho
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The finite capacity dial-a-ride problem
Proceedings 39th Annual Symposium on Foundations of Computer Science (Cat. No.98CB36280), 2002We give the first non-trivial approximation algorithm for the Capacitated Dial-a-Ride problem: given a collection of objects located at points in a metric space, a specified destination point for each object, and a vehicle with a capacity of at most k objects, the goal is to compute a shortest tour for the vehicle in which all objects can be delivered ...
Moses Charikar, Balaji Raghavachari
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The rail-road Dial-a-Ride problem
European Journal of Operational ResearchzbMATH Open Web Interface contents unavailable due to conflicting licenses.
Jodeau, Jean +3 more
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Customers' satisfaction in a dial-a-ride problem
IEEE Intelligent Transportation Systems Magazine, 2009This paper presents a general model for a dial-a-ride problem and a Simulated Annealing approach to solve it focusing on the quality of service. The model includes several distinct cases of the real problems and an objective function that treats transportation costs and customer's inconveniences. The routes are clustered and scheduled in a separate way
G. Mauri, L. Antonio, N. Lorena
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An effective and fast heuristic for the Dial-a-Ride problem
4OR, 2006zbMATH Open Web Interface contents unavailable due to conflicting licenses.
COLORNI VITALE, ALBERTO, R. Wolfler
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Transportation Planning and Technology, 1980
Although as originally conceived demand responsive transport (drt) systems offered a many-to-many capability with complex computerised control, more recent developments have offered simpler, manually controlled, systems. From the introduction of the first UK drt systems in 1972 it is possible to observe three broad categories of drt: first generation ...
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Although as originally conceived demand responsive transport (drt) systems offered a many-to-many capability with complex computerised control, more recent developments have offered simpler, manually controlled, systems. From the introduction of the first UK drt systems in 1972 it is possible to observe three broad categories of drt: first generation ...
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Transportation Research Record: Journal of the Transportation Research Board, 2013
Accessibility of public transit is an important political and social objective for transit agencies across the world. To meet this objective, many transit agencies provide a specialized door-to-door transportation service, called “dial-a-ride” (DAR), for the elderly and disabled.
Marković, Nikola +3 more
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Accessibility of public transit is an important political and social objective for transit agencies across the world. To meet this objective, many transit agencies provide a specialized door-to-door transportation service, called “dial-a-ride” (DAR), for the elderly and disabled.
Marković, Nikola +3 more
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A Hard Dial-a-Ride Problem that is Easy on Average
Journal of Scheduling, 2005zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Amin Coja-Oghlan +2 more
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