The Experts below are selected from a list of 74316 Experts worldwide ranked by ideXlab platform
Ashish Verma - One of the best experts on this subject based on the ideXlab platform.
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Activity based travel demand models as a tool for evaluating sustainable transportation policies
Research in Transportation Economics, 2013Co-Authors: Manoj Malayath, Ashish VermaAbstract:India is in the course of an economic transition. The economic growth nurtured the life in the cities and cities have become a major livelihood destination for everyone. This migration of people contributed to the increased urbanization of Indian cities. The booming economy fostered the well-being and shaped the lifestyle of people in such a way that the dependency on private vehicle has become an unavoidable affair. Along with population growth, the increased vehicle ownership gave rise to overall spurt in travel demand. But the supply side lagged behind the demand adding to many of the transport related externalities such as accidents, congestion, pollution, inequity etc. The importance of sustainability is understood in the current urban transport scenario leading to the development and promotion of sustainable transport polices. The core agenda of these polices is to target the travel behavior of people and change the way they travel by creating a different travel environment. However, the impacts of many such policies are either unknown or complex. Hence, before adopting and implementing such policies, it is important for the decision makers to be aware of the impacts of them. The role of travel demand models comes here as they predict the future travel demand under different policy scenarios. This paper reviews the ability of travel demand models applied in India in analyzing the sustainable transport policies. The study found that the conventional model system in India, which is trip based four step aggregate methodology, is inadequate in analyzing the sustainable transport policies. A review of alternative approach, known as Activity based travel demand modeling found that they are capable of handling such policies better than conventional models and are assistive to the decision makers in arriving at right mix of polices specific to the situations. Since there is no Operational Activity based travel demand model system developed in India, the study at the end envisaged a conceptual framework of an integrated Activity based travel demand model based on the requirements identified from the review. This can potentially replace the existing travel demand models and can be used for planning applications once the modification & validation have been done according to the existing Activity-travel behavior of individuals.
Yennike Tri Herawati - One of the best experts on this subject based on the ideXlab platform.
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cost benefit analysis antara pembelian alat ct scan dengan alat laser dioda photocoagulator di rsd balung jember
IKESMA, 2014Co-Authors: Nuryadi Nuryadi, Yennike Tri Herawati, Rafida TriwardhaniAbstract:Cost benefit analysis is an economic analysis that is used to evaluate economic resources usage so that the scarce economic resources can be used efficiently. In 2014, Balung General Hospital suggests some program to central government in order to support Operational Activity in Balung General Hospital. However, not all suggestions can be realized because the limitation of fund given by government. The purpose of the research is doing calculation of Cost benefit analysis between suggestion of CT-Scan device purchasing or suggestion of Laser dioda photocoagulator in Balung General Hospital of Jember. This research is quantitatif descriptive with analysis unit in Radiology Installation and Eye Poly. Based on the calculation of each step of Cost benefit analysis, we know that each suggestion has different Benefit-Cost Ratio (BCR) value where BCR value of Laser dioda photocoagulator device purchasing suggestion is 0,858 that is bigger than BCR value of CT-Scan device purchasing suggestion which is 0,078. Based on the BCR value, so the first prioritized suggestion is the Laser dioda photocoagulator that brings bigger benefit for Balung General Hospital of Jember. Keywords: Cost Benefit Analysis, BCR (Benefit Cost Ratio), CT-Scan, Laser dioda photocoagulator
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cost benefit analysis antara pembelian alat ct scan dengan alat laser dioda photocoagulator di rsd balung jember cost benefit analysis between ct scan device purchasing with laser dioda photocoagulator in balung general hospital of jember
2014Co-Authors: Yennike Tri Herawati, Rafida TriswardhaniAbstract:Cost benefit analysis is an economic analysis that is used to evaluate economic resources usage so that the scarce economic resources can be used efficiently. In 2014, Balung General Hospital suggests some program to central government in order to support Operational Activity in Balung General Hospital. However, not all suggestions can be realized because the limitation of fund given by government. The purpose of the research is doing calculation of Cost benefit analysis between suggestion of CT-Scan device purchasing or suggestion of Laser dioda photocoagulator in Balung General Hospital of Jember. This research is quantitatif descriptive with analysis unit in Radiology Installation and Eye Poly. Based on the calculation of each step of Cost benefit analysis, we know that each suggestion has different Benefit-Cost Ratio (BCR) value where BCR value of Laser dioda photocoagulator device purchasing suggestion is 0,858 that is bigger than BCR value of CT-Scan device purchasing suggestion which is 0,078. Based on the BCR value, so the first prioritized suggestion is the Laser dioda photocoagulator that brings bigger benefit for Balung General Hospital of Jember.
Rafida Triwardhani - One of the best experts on this subject based on the ideXlab platform.
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cost benefit analysis antara pembelian alat ct scan dengan alat laser dioda photocoagulator di rsd balung jember
IKESMA, 2014Co-Authors: Nuryadi Nuryadi, Yennike Tri Herawati, Rafida TriwardhaniAbstract:Cost benefit analysis is an economic analysis that is used to evaluate economic resources usage so that the scarce economic resources can be used efficiently. In 2014, Balung General Hospital suggests some program to central government in order to support Operational Activity in Balung General Hospital. However, not all suggestions can be realized because the limitation of fund given by government. The purpose of the research is doing calculation of Cost benefit analysis between suggestion of CT-Scan device purchasing or suggestion of Laser dioda photocoagulator in Balung General Hospital of Jember. This research is quantitatif descriptive with analysis unit in Radiology Installation and Eye Poly. Based on the calculation of each step of Cost benefit analysis, we know that each suggestion has different Benefit-Cost Ratio (BCR) value where BCR value of Laser dioda photocoagulator device purchasing suggestion is 0,858 that is bigger than BCR value of CT-Scan device purchasing suggestion which is 0,078. Based on the BCR value, so the first prioritized suggestion is the Laser dioda photocoagulator that brings bigger benefit for Balung General Hospital of Jember. Keywords: Cost Benefit Analysis, BCR (Benefit Cost Ratio), CT-Scan, Laser dioda photocoagulator
Nachiappan Nagappan - One of the best experts on this subject based on the ideXlab platform.
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Profiling the Operational behavior of OS device drivers
Empirical Software Engineering, 2010Co-Authors: Constantin Sârbu, Andréas Johansson, Neeraj Suri, Nachiappan NagappanAbstract:As the complexity of modern Operating Systems (OS) increases, testing key OS components such as device drivers (DD) becomes increasingly complex given the multitude of possible DD interactions. Currently, DD testing entails a broad spectrum of techniques, where static (requiring source code) and dynamic (requiring the executable image) and static-dynamic testing combinations are employed. Despite the sustained and improving test efforts in the field of driver development, DDs still represent a significant cause of system outages as the coverage is invariably limited by test resources and release time considerations. The basic factor is the inability to exhaustively assess and then cover the Operational states, leading to releases of inadequately tested DDs. Consequently, if representative Operational Activity profiles of DDs within an OS could be obtained, these could significantly improve the understanding of the actual Operational DD state space and help focus the test efforts. Focusing on characterizing DD Operational activities while assuming no access to source code, this paper proposes a quantitative technique for profiling the runtime behavior of DDs using a set of occurrence and temporal metrics obtained via I/O traffic characterization. Such profiles are used to improve test adequacy against real-world workloads by enabling similarity quantification across them. The profiles also reveal execution hotspots in terms of DD functionalities activated in the field, thus allowing for dedicated test campaigns. A case study on actual Windows XP and Vista drivers using various performance and stability benchmarks as workloads substantiates our proposed approach.
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profiling the Operational behavior of os device drivers
International Symposium on Software Reliability Engineering, 2008Co-Authors: Constantin Sârbu, Andréas Johansson, Neeraj Suri, Nachiappan NagappanAbstract:As the complexity of modern Operating Systems (OS) increases, testing key OS components such as device drivers(DD) becomes increasingly complex given the multitude of possible DD interactions. If representative Operational Activity profiles of DDs within an OS could be obtained, these could significantly improve the understanding of the actual Operational DD state space towards guiding the test efforts. Focusing on characterizing DD Operational activities, this paper proposes a quantitative technique for profiling the runtime behavior of DDs using a set of occurrence and temporal metrics obtained via I/O traffic characterization. Such profiles are used to improve test adequacy against real-world workloads by enabling similarity quantification across them. The profiles also reveal execution hotspots in terms of DD functionalities activated in the field, thus allowing for dedicated test campaigns. A case study on actual Windows drivers substantiates our proposed approach.
Rafida Triswardhani - One of the best experts on this subject based on the ideXlab platform.
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cost benefit analysis antara pembelian alat ct scan dengan alat laser dioda photocoagulator di rsd balung jember cost benefit analysis between ct scan device purchasing with laser dioda photocoagulator in balung general hospital of jember
2014Co-Authors: Yennike Tri Herawati, Rafida TriswardhaniAbstract:Cost benefit analysis is an economic analysis that is used to evaluate economic resources usage so that the scarce economic resources can be used efficiently. In 2014, Balung General Hospital suggests some program to central government in order to support Operational Activity in Balung General Hospital. However, not all suggestions can be realized because the limitation of fund given by government. The purpose of the research is doing calculation of Cost benefit analysis between suggestion of CT-Scan device purchasing or suggestion of Laser dioda photocoagulator in Balung General Hospital of Jember. This research is quantitatif descriptive with analysis unit in Radiology Installation and Eye Poly. Based on the calculation of each step of Cost benefit analysis, we know that each suggestion has different Benefit-Cost Ratio (BCR) value where BCR value of Laser dioda photocoagulator device purchasing suggestion is 0,858 that is bigger than BCR value of CT-Scan device purchasing suggestion which is 0,078. Based on the BCR value, so the first prioritized suggestion is the Laser dioda photocoagulator that brings bigger benefit for Balung General Hospital of Jember.