Results 111 to 120 of about 558 (159)
Perspectives of healthcare providers on osteoporosis, falls and fracture risk: a systematic review and thematic synthesis of qualitative studies. [PDF]
Cho C +4 more
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Experience-based suggestions for improving accessibility of minibus taxis for wheelchair users. [PDF]
Fredericks JP, Visagie S, van Niekerk L.
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Outpatient care of adults with congenital heart disease in the UK: a qualitative appraisal of the clinician perspective. [PDF]
Chaudhry I +4 more
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COVID-19 vaccine hesitancy among Marshallese in Northwest Arkansas (USA).
Purvis RS +7 more
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Online multi-server dial-a-ride problems
Bonifaci, V., Lipmann, M., Stougie, L.
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A New Formulation for the Dial-a-Ride Problem
Transportation Science, 2021This paper proposes a new mixed integer programming formulation and branch and cut (BC) algorithm to solve the dial-a-ride problem (DARP). The DARP is a route-planning problem where several vehicles must serve a set of customers, each of which has a pickup and delivery location, and includes time window and ride time constraints.
Yannik Rist, Michael A. Forbes
exaly +4 more sources
The Dial-a-Ride Problem: Models and Algorithms
Annals of Operations Research, 2007zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Jean-François Cordeau, Gilbert Laporte
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Variable Neighborhood Search for the Dial-a-Ride Problem
Computers and Operations Research, 2010zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Karl Doerner +2 more
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A Matheuristic for the Dial-a-Ride Problem
2011The Dial-a-Ride is a transport system on demand. A fleet of vehicles, without fixed routes and schedules, carries people from their pickup points to their delivery points, during a pre-specified time interval. It can be modeled as an N P-hard routing and scheduling problem, with a suitable mixed integer programming formulation. Exact approaches to this
Roberto Wolfler Calvo +1 more
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