全部文献期刊会议图书|学者科研项目
中外文文献  中文文献  外文文献
作者:Ahmed Abdelghany , Khaled Abdelghany , Farshid Azadian
来源:[J].Computers and Operations Research(IF 1.909), 2017, Vol.87, pp.20-39
摘要:Abstract(#br)This paper presents a modeling framework for airline flight schedule planning under competition. The framework generates an operational flight timetable that maximizes the airline's revenue, while ensuring efficient utilization of the airline's resources (e.g. aircra...
作者:Ahmed Abdelghany , Khaled Abdelghany , Hani Mahmassani
来源:[J].Transportation Research Part A(IF 2.725), 2016, Vol.86, pp.159-176
摘要:Abstract(#br)This paper presents a hybrid simulation-assignment modeling framework for studying crowd dynamics in large-scale pedestrian facilities. The proposed modeling framework judiciously manages the trade-off between ability to accurately capture congestion phenomena r...
作者:Ahmed Abdelghany , Khaled Abdelghany ...
来源:[J].European Journal of Operational Research(IF 2.038), 2014, Vol.237 (3), pp.1105-1118
摘要:Abstract(#br)The paper presents a simulation–optimization modeling framework for the evacuation of large-scale pedestrian facilities with multiple exit gates. The framework integrates a genetic algorithm (GA) and a microscopic pedestrian simulation–assignment model. The GA s...
作者:Ahmed Abdelghany , Vitaly S. Guzhva
来源:[J].Journal of Air Transport Management, 2009, Vol.16 (1), pp.20-25
摘要:Abstract(#br)Quarterly panel data covering the largest 10,000 city-pairs in the domestic US from 1998 are used to investigate airlines market entry and exit decisions. Several models are estimated looking at changes in the number of carriers serving in a market. The influence of ...
作者:Ahmed Abdelghany , Khaled Abdelghany , Ram Narasimhan
来源:[J].Journal of Air Transport Management, 2005, Vol.12 (2), pp.76-81
摘要:Abstract(#br)A model for scheduling baggage-handling facilities in congested airports is presented. The model assigns the baggage of departing flights to available piers in the baggage-handling facility. It adopts an activity selection algorithm that is generally used to assign l...
作者:Vitaly S. Guzhva , Ahmed Abdelghany , Tom Lipps
来源:[J].Journal of Air Transport Management, 2014, Vol.35, pp.108-116
摘要:Abstract(#br)The Next Generation Air Transportation System (NextGen) embraces multiple operational and technological improvements that enable efficiencies for users and service providers. In managing the development of NextGen, the Federal Aviation Administration (FAA) is assessi...
作者:Khaled Abdelghany , Ahmed Abdelghany , Tim Niznik
来源:[J].Journal of Air Transport Management, 2007, Vol.13 (6), pp.329-337
摘要:Abstract(#br)This paper presents a heuristic-based approach for minimizing airlines’ schedule disruptions and operation costs associated with severe airspace flow programs. It considers primary decisions made by flight dispatchers such as flight slot substitution and rerouti...
作者:Khaled Abdelghany , Ahmed Abdelghany , Sidhartha Raina
来源:[J].Journal of Air Transport Management, 2004, Vol.11 (4), pp.199-206
摘要:Abstract(#br)In this paper, a model for the airlines’ optimal fuel management strategies is presented. The model determines the optimal amount of ferry fuel to be loaded at each airport for a given aircraft route. The problem is formulated in the form of a mathematical progr...
作者:Ahmed Abdelghany , Amr Ali
来源:[J].Journal of the Egyptian Ophthalmological Society, 2019, Vol.112 (3), pp.67-77
摘要:Background Topical Mitomycin-C (MMC) can have a deleterious effect onto corneal endothelium in some ophthalmic surgeries.Aim To evaluate safety of intraoperative topical MMC in pterygium surgeries onto corneal endothelium.Design Prospective comparative cohort study.Subjects ...
作者:Ahmed Abdelghany , Ahmed Abdelhalim
来源:[J].Journal of the Egyptian Ophthalmological Society, 2019, Vol.112 (4), pp.117-121
摘要:Purpose To compare refractive and corneal structural stability after laser-assisted in situ keratomileusis (LASIK) with and without concurrent prophylactic high-fluence cross-linking in the treatment of hyperopia.Patients and methods In an interventional prospective nonrandomized...

我们正在为您处理中,这可能需要一些时间,请稍等。

资源合作:cnki.scholar@cnki.net, +86-10-82896619   意见反馈:scholar@cnki.net

×