نتایج جستجو برای: transportation mode selection

تعداد نتایج: 587206  

2015
Mihaela David

It seems more and more that we live in a society afraid of everything, where everything can be considered as risk taking. This feeling of uncertainty and fear leads many individuals to manifest a great interest for safety. In the context of a risky society, the requirement for insurances is becoming more and more pronounced, the main concerns of the insureds being the guarantee of financial saf...

2016
Xuan Song Hiroshi Kanasugi Ryosuke Shibasaki

Traffic congestion causes huge economic loss worldwide in every year due to wasted fuel, excessive air pollution, lost time, and reduced productivity. Understanding how humans move and select the transportation mode throughout a large-scale transportation network is vital for urban congestion prediction and transportation scheduling. In this study, we collect big and heterogeneous data (e.g., G...

2014
Bahri Sahin Huseyin Yilmaz Yasin Ust Ali Fuat Guneri Bahadir Gulsun Eda Turan

A different intermodal transportation model based on cost analysis considering technical, economical, and operational parameters is presented. The model consists of such intermodal modes as sea-road, sea-railway, road-railway, and multimode of sea-road-railway. A case study of cargo transportation has been carried out by using the suggested model. Then, the single road transportation mode has b...

Journal: :international journal of industrial mathematics 2015
s. sedehzadeh‎ r. tavakkoli-‎moghaddam‎‎ f. jolai‎

one main group of a transportation network is a discrete hub covering problem that seeks to minimize the total transportation cost. this paper presents a multi-product and multi-mode hub covering model, in which the transportation time depends on travelling mode between each pair of hubs. indeed, the nature of products is considered different and hub capacity constraint is also applied. due to ...

2010
Elizabeth J Wilson Julian Marshall Ryan Wilson Kevin J Krizek

Many school districts in the United States allow parents to choose which school their child attends (`school choice' or `magnet schools') while other school districts require students to attend their nearest (`neighborhood') school. Such policies influence children's transportation. We survey elementary-school parents in St. Paul and Roseville, Minnesota, to discover how children travel to scho...

Journal: :Studies in Regional Science 1972

2015
Christer Thrane

a r t i c l e i n f o Modeling of transportation mode choices has in the past primarily dealt with everyday short-distance travel and long-distance business travel. The present paper adds to this research in examining the long-distance transportation mode choices of tourists. The empirical setting is the domestic tourism market in Norway, and the analyses refer to Norwegians' winter vacation tr...

2017
Marija Nikolić Michel Bierlaire

The usage of smartphones has rapidly increased during the last years. In addition to communication capabilities, they are also equipped with several sensors, and are usually carried by people throughout the day. The data collected by the means of modern smartphones (e.g. location based, GSM, and other contextual data) are thus valuable source of information for transportation analysis. In this ...

Journal: :Journal of aging and health 2016
Anne Viljanen Tuija M Mikkola Merja Rantakokko Erja Portegijs Taina Rantanen

OBJECTIVE The aim of this study is to examine whether a persons' most frequently used mode of transportation is associated with life-space mobility and whether the association differs between persons with or without walking difficulties. METHOD Life-space mobility was measured with the Life-Space Assessment in 848 community-dwelling men and women aged 75 to 90 years. Six separate mobility gro...

2009
U. R. Tuzkaya

The increasing needs for transportation of freight and passengers causes environmental impacts. Preventing studies for these impacts should be considered by logistics firms and encouraged by the regulations of authorities. An important contribution can be provided by determining the environmental effects of the transportation modes in specific regions and using the most convenient ones. In this...

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