Artículos de revistas: "Routines de mobilité"

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Grandinetti, Roberto. "A Routine-Based Theory of Routine Replication". Sustainability 14, n.º 14 (6 de julio de 2022): 8254. http://dx.doi.org/10.3390/su14148254.

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Organizational routines have been investigated by scholars from two opposite perspectives: the first is rooted in the evolutionary economics of Nelson and Winter; the second relies on the reconceptualization of routines proposed by Feldman and Pentland. The main reason that has kept the perspectives separated concerns the issue of routine replication, which found space in the former while it remained in the shadows in the latter. Studies that have dealt with this issue offer many clues on the one or other form that replication can take. What is lacking is a routine-based theory of routine replication capable of comparing their different forms. The paper pursues this goal in two stages. First, routines are reconceptualized as repetitive, recognizable patterns of interdependent actions, connected with the external environment, guided by specific knowledge and involving multiple, interacting actors and artifacts. Then, this reconceptualization leads to a discussion of the issue of routine replication and its forms. This way of conceiving routines leads to developing an original and unitary theoretical framework covering the different forms of routine replication. What lends intra-organizational replication a greater replicability than inter-organizational replication is the presence of a template and of actors specialized in planning the replication process. In its serial and routinized form, intra-organizational replication can potentially reach the highest level of replicability. The same results can be achieved by the routine replication that underlies franchise systems. In the two forms of inter-organizational replication—spin-offs and employee mobility—the template is replaced by a weaker knowledge repository consisting of the memory of individuals who leave one organization and try to replicate its routines at another. The disadvantage deriving from the lack of a template can be contained when specific factors are present that facilitate the work of replication actors.

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Hrabčák, Dávid, Martin Matis, L’ubomír Doboš y Ján Papaj. "Students Social Based Mobility Model for MANET-DTN Networks". Mobile Information Systems 2017 (2017): 1–13. http://dx.doi.org/10.1155/2017/2714595.

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In the real world, wireless mobile devices are carried by humans. For this reason, it is useful if mobility models as simulation tools used to test routing protocols and other MANET-DTN features follow the behaviour of humans. In this paper, we propose a new social based mobility model called Students Social Based Mobility Model (SSBMM). This mobility model is inspired by the daily routine of student’s life. Since many current social based mobility models give nodes freedom in terms of movement according to social feeling and attractivity to other nodes or places, we focus more on the mandatory part of our life, such as going to work and school. In the case of students, this mandatory part of their life is studying in university according to their schedule. In their free time, they move and behave according to attractivity to other nodes or places of their origin. Finally, proposed SSBMM was tested and verified by Tools for Evaluation of Social Relation in Mobility Models and compared with random based mobility models. At the end, SSBMM was simulated to examine the impact of social relations on routing protocols.

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He, Xingyu, Guisong Yang y Hao Zhang. "DRANS: Daily Routine Analysis for Node Searching in delay tolerant networks". International Journal of Distributed Sensor Networks 13, n.º 7 (julio de 2017): 155014771771810. http://dx.doi.org/10.1177/1550147717718105.

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In delay tolerant networks, the success rate and the transmission speed are restricted by limited social interaction and complex node mobility pattern analysis. To increase the success rate and reduce the transmission delay in delay tolerant networks, we propose Daily Routine Analysis for Node Searching in delay tolerant networks. In Daily Routine Analysis for Node Searching, each node is required to generate a Staying Probability Table and a Transiting Probability Table by analyzing its own daily routine, then to distribute its Staying Probability Table and Transiting Probability Table to the whole network with the help of other nodes having different mobility patterns. On the basis of the Staying Probability Table and Transiting Probability Table, Daily Routine Analysis for Node Searching further provides a node tracking strategy and an opportunistic routing strategy for delivering data from the source node to the destination node. Trace-driven experiments are performed to compare Daily Routine Analysis for Node Searching with previous node searching methods. The experimental results demonstrate that Daily Routine Analysis for Node Searching is able to promote the success rate and reduce the transmission delay effectively.

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Ernest, Petro Pesha, H. Anthony Chan, Jiang Xie y Olabisi Emmanuel Falowo. "Mobility management with distributed mobility routing functions". Telecommunication Systems 59, n.º 2 (7 de enero de 2015): 229–46. http://dx.doi.org/10.1007/s11235-014-9958-4.

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Ladru, Danielle Ekman y Katarina Gustafson. "‘Yay, a downhill!’: Mobile preschool children’s collective mobility practices and ‘doing’ space in walks in line". Journal of Pedagogy 9, n.º 1 (1 de junio de 2018): 87–107. http://dx.doi.org/10.2478/jped-2018-0005.

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Abstract In the field of early childhood research children’s mobility is usually discussed only in terms of physical activity in the preschool yard. More seldom is it discussed in terms of mobility practices and how young children move in public spaces. With unique detailed video-ethnographic data on mobile preschools and a new combination of theories on space, mobilities and peer culture this article analyses how young children negotiate mobility practices and engage in embodied learning in the collective preschool routine of walking in line. Two empirical examples of walking in line in contrasting public spaces show how the mobile preschool group moves in space as a collective body co-produced by children’s and teachers’ individual bodies. It is argued that walks in line are not merely a form of ‘transport’ between places but are important as social and learning spaces. While walking in line, children collectively ‘do’ space in diverse ways depending on where and how they move, and in relation to where and when teachers negotiate safety issues. In this process, the spaces, activities and routines alike are transformed.

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Wiles, Janine. "Daily geographies of caregivers: mobility, routine, scale". Social Science & Medicine 57, n.º 7 (octubre de 2003): 1307–25. http://dx.doi.org/10.1016/s0277-9536(02)00508-7.

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Penger, Susanne y Frank Oswald. "A New Measure of Mobility-Related Behavioral Flexibility and Routines in Old Age". GeroPsych 30, n.º 4 (diciembre de 2017): 153–63. http://dx.doi.org/10.1024/1662-9647/a000176.

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Abstract. Although daily out-of-home mobility is crucial for well-being in later life, the psychological determinants thereof are not yet fully understood. This study describes attitudes toward daily out-of-home mobility from a person-environment interaction perspective and develops an instrument to measure mobility-related behavioral flexibility and routines in old age. Data were drawn from 265 older adults (aged 65–99). An examination of the factorial structure using exploratory factor analysis revealed three main mobility-related factors: behavioral flexibility with regard to environmental challenges, behavioral flexibility with regard to personal challenges, and a preference for routines. The instrument demonstrated acceptable internal consistency and factorial validity. The study contributes toward a better understanding of the motivational aspects of daily out-of-home mobility in later life.

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Pereira, Denis Biolkino de Sousa y William Rodrigues Ferreira. "REFLEXOS DAS OCUPAÇÕES URBANAS NA MOBILIDADE ÀS MARGENS DA RODOVIA ESTADUAL GO-060 ENTRE GOIÂNIA (GO) E TRINDADE (GO)". Revista Cerrados 18, n.º 01 (19 de mayo de 2020): 189–219. http://dx.doi.org/10.22238/rc2448269220201801189219.

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O estudo pretende compreender a dinâmica dos diversos tipos de ocupações implantadas no entorno da Rodovia Estadual GO- 060, entre a cidade de Goiânia (GO) e Trindade (GO), e os seus reflexos na mobilidade urbana. O problema se identifica na relação causa e efeito no conflito entre o espaço urbano e o sistema de transportes, em áreas conurbadas da Região Metropolitana de Goiânia (GO). O objetivo consiste em analisar as áreas de ocupação do recorte espacial, o fluxo veicular dos modos de transportes e o índice de mobilidade, em função das tipologias de ocupação, caracterizadas como polos geradores de viagens (PGVs). Para se identificar tais ocorrências, foram utilizadas metodologias adaptadas para análise espaço-temporal e redes. Os resultados mostraram as diferenças em áreas de ocupação nos PGVs Tipo Comércio/Indústria 25,74% e 30,77% e Tipo Residencial 11,41% e 38,78% para as Regiões Oeste/Mendanha e Trindade 2, para os períodos (2011/2016) e (2009/2015), respectivamente. Essa dinâmica ocupacional gerou um aumento de +87% no total de viagens do fluxo dos diversos modos de transporte e um acréscimo de +79% no índice de mobilidade para o período de 2013 a 2016, mostrando a tendência de motorização das regiões e os reflexos na mobilidade urbana. Palavras-chave: Ocupação espacial. Sistema viário. Fluxo veicular. Transporte. Mobilidade. REFLEXES OF URBAN OCCUPATIONS ON MOBILITY TO THE MARGINS OF THE STATE ROAD GO-060 BETWEEN GOIÂNIA (GO) AND TRINDADE (GO) ABSTRACT The study aims to understand the dynamics of the various types of occupations implanted around the State Highway GO-060, between the city of Goiânia (GO) and Trindade (GO), and their reflexes on urban mobility. The problem is identified in the cause and effect relationship in the conflict between urban space and the transport system in conurbated areas of the Metropolitan Region of Goiânia (GO). The objective is to analyze the areas of occupation of the spatial area, the vehicular flow of the modes of transport and the mobility index, according to the types of occupation, characterized as travel generating poles (TGPs). To identify such occurrences, methodologies adapted for spatiotemporal analysis and networks were used. The results showed the differences in occupation areas in the Trade / Industry Type 25.74% and 30.77% and Residential Type 11.41% and 38.78% for the West / Mendanha and Trindade 2 Regions for the periods (2011/2016) and (2009/2015) respectively. This occupational dynamic generated an increase of + 87% in the total travel flow of the different modes of transport and an increase of + 79% in the mobility index for the period from 2013 to 2016, showing the trend of motorization in the regions and the reflexes in urban mobility. Keywords: Spatial occupation. Road system. Vehicular flow. Transport. Mobility. REFLETS DES OCCUPATIONS URBAINES SUR LA MOBILITÉ LE LONG DE LA ROUTE D’ÉTAT GO-60 ENTRE GOIANIA (GO) ET TRINDADE (GO) RÉSUMÉ L’étude prétend comprendre la dynamique des divers types d’occupations implantées le long de la Route d’État GO-060, entre les villes de Goiânia (GO) et Trindade (GO), et ses retombées sur la mobilité urbaine. Le problème s’identifie dans la relation de cause à effet dans le conflit entre espace urbain et système de transport, dans les aires urbanisées de la Région Métropolitaine de Goiânia (GO). L’objectif est d’analyser les zones d’occupation du découpage spatial, le flux routier des modes de transport et l’indice de mobilité selon les typologies d’occupation, caractérisées comme pôles générateurs de voyages (PGVs). L’identification de ces faits s’est réalisée par l’utilisation de méthodologies adaptées à l’analyse spatio-temporelle et de réseaux. Les résultats montrent des différences de PGVs dans les zones d’occupation du type Commerce/Industrie 25,74% et 30,77% et du type résidentiel 11,41% et 38,78% pour les régions Ouest/Mendanha et Trindade 2, respectivement pour les périodes (2011/2016) et (2009/2015). Cette dynamique d’occupation révèle une augmentation de +87% du total de voyages de flux des différents modes de transport et une croissance de +79% de l’indice de mobilité pour la période de 2013 à 2016, montrant la tendance de motorisation des régions et ses reflets sur la mobilité urbaine. Mots clés: Occupation spatial. Système routier. Flux de véhicules. Transport. Mobilité.

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Kumar, M. K. Jeya. "A Survey of Mobile Ad Hoc Reactive Routing Protocols in Two Different Mobility Models". International Journal of Engineering and Technology 1, n.º 1 (2009): 82–87. http://dx.doi.org/10.7763/ijet.2009.v1.15.

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Plantinga, Laura C., Courtney Hoge, Charmayne Dunlop-Thomas, Brad D. Pearce, S. Sam Lim, Cristina Drenkard y C. Barrett Bowling. "Association of COVID-19 pandemic-related concern and health routine changes with functioning among individuals with systemic lupus erythematosus". Lupus Science & Medicine 9, n.º 1 (febrero de 2022): e000658. http://dx.doi.org/10.1136/lupus-2022-000658.

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ObjectiveTo examine whether pandemic-related issues were associated with physical functioning, community mobility and cognition among individuals with SLE.MethodsParticipants were recruited (6 October 2020–11 November 2021) for this cross-sectional study from a population-based cohort of individuals with validated SLE in metropolitan Atlanta, as part of an ongoing ancillary study. Pandemic-related issues (concern about the pandemic (very vs somewhat/not at all concerned); changes in physical activity and sleep (less vs more/same); difficulty obtaining food and medications and accessing routine care (any vs none)) were self-reported. Self-reported physical functioning and episodic and working memory performance were reported as t-scores (such that a score of 50=population mean and a 10-point difference=1 SD) and community mobility scores ranged from 0 to 120, with higher scores representing better functioning for all domains. Differences in scores were assessed via t-tests and age-adjusted, sex-adjusted and race-adjusted linear regression.ResultsAmong 245 participants (mean age, 46 years; 95% female, 77% black), physical functioning t-scores (mean=44) were consistently lower (by 3–5 points) for those who reported concern about the pandemic, less physical activity and sleep, difficulty obtaining food and medications, and accessing routine care. Similarly, community mobility scores (mean=48) were lower (by 10–20 points) for these individuals. There were no substantial differences in episodic memory and working memory t-scores (mean=50 and 47, respectively) by pandemic-related issues.ConclusionWe found that physical functioning and community mobility, but not cognition, were lower among those who reported more concern about the pandemic or greater disruptions to health routines. Future studies should explore interventions among these vulnerable individuals with SLE, who already disproportionately suffer from functional impairment, to maintain functioning and prevent adverse outcomes during times of crisis.

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Pappalardo, Luca y Filippo Simini. "Data-driven generation of spatio-temporal routines in human mobility". Data Mining and Knowledge Discovery 32, n.º 3 (27 de diciembre de 2017): 787–829. http://dx.doi.org/10.1007/s10618-017-0548-4.

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Hoyer, Erik H., Daniel L. Young, Lisa Aronson Friedman, Daniel J. Brotman, Lisa M. Klein, Michael Friedman y Dale M. Needham. "Routine Inpatient Mobility Assessment and Hospital Discharge Planning". JAMA Internal Medicine 179, n.º 1 (1 de enero de 2019): 118. http://dx.doi.org/10.1001/jamainternmed.2018.5145.

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13

Wu Xiaohua y Li Jianping. "Routing Algorithm based on Mobility Prediction". INTERNATIONAL JOURNAL ON Advances in Information Sciences and Service Sciences 4, n.º 2 (15 de febrero de 2012): 218–26. http://dx.doi.org/10.4156/aiss.vol4.issue2.27.

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Kurdi, Shivan Fazil. "Mobility-Based Routing in Opportunistic Networks". International Journal of Technology Diffusion 3, n.º 2 (abril de 2012): 28–35. http://dx.doi.org/10.4018/jtd.2012040103.

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In Opportunistic Networks (OppNets) nodes are only intermittently connected. A complete path from the sender node to the receiver does not exist. Mobile objects exploit direct contact for message transmission without relying on an existing end to end infrastructure. In such networks, routing is a challenging issue. Nevertheless, routing protocols in the mobility-based class of OppNets exploit some context information such as node mobility information and patterns to make forwarding decision, since the effectiveness of routing depends on node mobility. The aim of this research is to identify, evaluate, and compare the mobility-based routing algorithms of OppNets based on the simulation results obtained from published literature. The research findings indicate that mobility-based algorithms are suitable for conditions where network bandwidth and devices are considered significant constraints. They provide average delivery ratio with less resource consumption. In brief, they are ideal when network traffic and resource consumption are taken into consideration.

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Arjunan, Prashanth Kolandaiswami, Saravanan Jayaram y Vignesh Swaminathan. "Low Mobility Based Geographic Routing Strategy". International Journal of Engineering Trends and Technology 8, n.º 8 (25 de febrero de 2014): 419–24. http://dx.doi.org/10.14445/22315381/ijett-v8p271.

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Rodrigues, Cláudia, Marco Veloso, Ana Alves y Carlos Bento. "Sensing Mobility and Routine Locations through Mobile Phone and Crowdsourced Data: Analyzing Travel and Behavior during COVID-19". ISPRS International Journal of Geo-Information 12, n.º 8 (28 de julio de 2023): 308. http://dx.doi.org/10.3390/ijgi12080308.

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The COVID-19 pandemic affected many aspects of human mobility and resulted in unprecedented changes in population dynamics, including lifestyle and mobility. Recognizing the effects of the pandemic is crucial to understand changes and mitigate negative impacts. Spatial data on human activity, including mobile phone data, has the potential to provide movement patterns and identify regularly visited locations. Moreover, crowdsourced geospatial information can explain and characterize the regularly visited locations. The analysis of both mobility and routine locations in the same study has seldom been carried out using mobile phone data and linked to the effects of the pandemic. Therefore, in this article we study human mobility patterns within Portugal, using mobile phone and crowdsourced data to compare the population’s mobility and routine locations after the pandemic’s peak. We use clustering algorithms to identify citizens’ stops and routine locations, at an antenna level, during the following months after the pandemic’s first wave and the same period of the following year. Results based on two mobile phone datasets showed a significant difference in mobility in the two periods. Nevertheless, routine locations slightly differ.

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Kumar, Subodh, G. S. Agrawal y Sudhir Kumar Sharma. "Impact of Mobility on MANETs Routing Protocols Using Group Mobility Model". International Journal of Wireless and Microwave Technologies 7, n.º 2 (8 de marzo de 2017): 1–12. http://dx.doi.org/10.5815/ijwmt.2017.02.01.

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Kang, Hyun-Jae, Sung-Gook Lim, Hahn-Earl Jeon, Jai-Yong Lee, Soo-Bum Park y Young-Bin You. "Mobility-Adaptive Routing Update Scheme for Wireless Networks with Group Mobility". Journal of Korea Information and Communications Society 37, n.º 1B (31 de enero de 2012): 39–49. http://dx.doi.org/10.7840/kics.2012.37b.1.39.

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Kim, Jong-Hum, Hahn-Earl Jeon, Jai-Yong Lee, Soo-Bum Park y Young-Bin You. "Mobility-Adaptive Routing Update Scheme for Wireless Networks with Group Mobility". Journal of Korea Information and Communications Society 37, n.º 2B (29 de febrero de 2012): 120–29. http://dx.doi.org/10.7840/kics.2012.37b.2.120.

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Gharebaghi, Amin, Mir-Abolfazl Mostafavi, Geoffrey Edwards y Patrick Fougeyrollas. "User-Specific Route Planning for People with Motor Disabilities: A Fuzzy Approach". ISPRS International Journal of Geo-Information 10, n.º 2 (3 de febrero de 2021): 65. http://dx.doi.org/10.3390/ijgi10020065.

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Mobility is fundamental for social participation. Everyone benefits from pedestrian networks for their mobility and daily activities. People without disabilities may have little difficulty walking on narrow sidewalks, over potholes, and so on. However, people with motor disabilities (PWMD) may find it more difficult to deal with such conditions. For PWMD, even routine trips are often fraught with problems, with many different obstacles restricting their mobility and consequently rendering their participation in social and recreational activities difficult. The potential problems and risks associated with mobility for PWMD could be significantly reduced if navigation systems provided them with appropriate accessible routes. These routes should consider PWMD’s personal capabilities as well as sidewalk-network conditions. In this paper, we propose a novel approach for computing a user-specific route for PWMD. Such a route is personalized based on the user’s confidence to deal with obstacles such as slopes, uneven pavement, etc. We show how user reported confidence levels could be used to aggregate sidewalk conditions in a routing model to offer user-specific routes. The proposed methodology was developed using a fuzzy approach and is evaluated by manual wheelchair users in Quebec City.

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Bharany, Salil, Sandeep Sharma, Surbhi Bhatia, Mohammad Khalid Imam Rahmani, Mohammed Shuaib y Saima Anwar Lashari. "Energy Efficient Clustering Protocol for FANETS Using Moth Flame Optimization". Sustainability 14, n.º 10 (19 de mayo de 2022): 6159. http://dx.doi.org/10.3390/su14106159.

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FANET (flying ad-hoc networks) is currently a trending research topic. Unmanned aerial vehicles (UAVs) have two significant challenges: short flight times and inefficient routing due to low battery power and high mobility. Due to these topological restrictions, FANETS routing is considered more complicated than MANETs or VANETs. Clustering approaches based on artificial intelligence (AI) approaches can be used to solve complex routing issues when static and dynamic routings fail. Evolutionary algorithm-based clustering techniques, such as moth flame optimization, and ant colony optimization, can be used to solve these kinds of problems with routes. Moth flame optimization gives excellent coverage while consuming little energy and requiring a minimum number of cluster heads (CHs) for routing. This paper employs a moth flame optimization algorithm for network building and node deployment. Then, we employ a variation of the K-Means Density clustering approach to choosing the cluster head. Choosing the right cluster heads increases the cluster’s lifespan and reduces routing traffic. Moreover, it lowers the number of routing overheads. This step is followed by MRCQ image-based compression techniques to reduce the amount of data that must be transmitted. Finally, the reference point group mobility model is used to send data by the most optimal path. Particle swarm optimization (PSO), ant colony optimization (ACO), and grey wolf optimization (GWO) were put to the test against our proposed EECP-MFO. Several metrics are used to gauge the efficiency of our proposed method, including the number of clusters, cluster construction time, cluster lifespan, consistency of cluster heads, and energy consumption. This paper demonstrates that our proposed algorithm performance is superior to the current state-of-the-art approaches using experimental results.

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Stanley, Kevin, Eun-Hye Yoo, Tuhin Paul y Scott Bell. "How many days are enough?: capturing routine human mobility". International Journal of Geographical Information Science 32, n.º 7 (25 de abril de 2018): 1485–504. http://dx.doi.org/10.1080/13658816.2018.1434888.

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Celhaiguibel, Claudine. "Claudine Celhaiguibel, Mobilité temporaire de temps libre : événement exceptionnel ou routine ?" Mondes du tourisme, n.º 8 (1 de diciembre de 2013): 70–74. http://dx.doi.org/10.4000/tourisme.92.

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Rappold, Daniela, Stefan Stättner y Elisabeth Nöhammer. "Patient-Reported Outcome and Experience Measures (PROM/PREM) in Patients Undergoing Liver Surgery with Enhanced Recovery after Surgery (ERAS®): An Exploratory Study". Healthcare 12, n.º 6 (11 de marzo de 2024): 629. http://dx.doi.org/10.3390/healthcare12060629.

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Background: ERAS® (Enhanced Recovery after Surgery) is an evidence-based multidisciplinary approach focusing on optimizing outcomes after surgery through structured clinical pathways. This study aimed to assess patient-reported outcome and experience measures (PROM/PREM), which are not routinely assessed after liver surgery within an ERAS® protocol. Methods: Routine outcome parameters were extracted from clinical documentation. Using qualitative content analysis, PROM and PREM were retrospectively identified in 13 case records. In a prospective survey of 10 participants, PROM was assessed at three timepoints using the EQ-5D-5L questionnaire. PREM were collected at discharge. Results: The following PROM categories occurred in the retrospective content analysis: appetite (84.6%), pain/discomfort (76.9%), mobility (69.2%), wound condition (69.2%), and weight (61.5%). The categories of continuity of care (92.0%) and information, communication, education (69.0%) emerged as PREM. Descriptive changes in health state were shown for all EQ-5D-5L dimensions and timepoints. At discharge, mobility, selfcare, usual activities, and pain/discomfort tended to be worse, whereas anxiety/depression decreased gradually from preoperatively to the 4 week follow-up. There was high satisfaction with interprofessional care services and experienced cooperation between professionals. Conclusions: PROM and PREM are helpful to incorporate patients’ perspectives after liver surgery within an ERAS® pathway and should be collected routinely in clinical practice.

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Purohit, Rakhi y Bright Keswani. "Node Mobility Impact on Zone Routing Protocol". International Journal of Computer Applications 118, n.º 18 (20 de mayo de 2015): 29–32. http://dx.doi.org/10.5120/20847-3534.

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Cadger, Fraser, Kevin Curran, Jose A. Santos y Sandra Moffett. "Mobility and delay in greedy geographic routing". International Journal of Satellite Communications Policy and Management 1, n.º 2/3 (2012): 106. http://dx.doi.org/10.1504/ijscpm.2012.049547.

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Zhang, Lichen, Zhipeng Cai, Junling Lu y Xiaoming Wang. "Mobility-aware routing in delay tolerant networks". Personal and Ubiquitous Computing 19, n.º 7 (23 de agosto de 2015): 1111–23. http://dx.doi.org/10.1007/s00779-015-0880-x.

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Zimmermann-Janschitz, Susanne, Bettina Mandl y Antonia Dückelmann. "Clustering the Mobility Needs of Persons with Visual Impairment or Legal Blindness". Transportation Research Record: Journal of the Transportation Research Board 2650, n.º 1 (enero de 2017): 66–73. http://dx.doi.org/10.3141/2650-08.

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An important goal on the way to an inclusive society is to achieve a self-determined and independent daily life for persons with vision impairment or legal blindness. Mobility research for this target group mainly focuses on technological (assistive) devices, navigation, and routing tools. Less attention is paid to mobility behavior, mobility needs and prerequisites such as obstacles and barriers, orientation features and landmarks, and daily routine information. However, these aspects are essential for the design and implementation of supporting software tools. The research design of this study exemplifies a new approach by classifying persons with vision impairment or legal blindness into five target groups, with a hierarchical cluster analysis. The cluster analysis, which uses Ward’s method, was conducted with the results of a nationwide online survey in Austria. The survey encompassed detailed information about mobility barriers, landmarks and orientation cues, information needs, and technology use. The cluster results provided the basis for designing and developing a geographic information system (GIS)–based online information platform to support persons with vision impairment or blindness. The platform ( a) presents accessibility information and points of interest; ( b) presents the results of GIS-based analyses, like closest facilities, including navigation guidelines for pretrip planning; and (c) is designed with an accessible user interface.

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Munjal, Aarti, Tracy Camp y Nils Aschenbruck. "Changing Trends in Modeling Mobility". Journal of Electrical and Computer Engineering 2012 (2012): 1–16. http://dx.doi.org/10.1155/2012/372572.

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A phenomenal increase in the number of wireless devices has led to the evolution of several interesting and challenging research problems in opportunistic networks. For example, the random waypoint mobility model, an early, popular effort to model mobility, involves generatingrandommovement patterns. Previous research efforts, however, validate that movement patterns are not random; instead, human mobility is predictable to some extent. Since the performance of a routing protocol in an opportunistic network is greatly improved if the movement patterns of mobile users can be somewhat predicted in advance, several research attempts have been made to understand human mobility. The solutions developed use our understanding of movement patterns to predict the future contact probability for mobile nodes. In this work, we summarize the changing trends in modeling human mobility asrandommovements to the current research efforts that model human walks in a more predictable manner. Mobility patterns significantly affect the performance of a routing protocol. Thus, the changing trend in modeling mobility has led to several changes in developing routing protocols for opportunistic networks. For example, the simplest opportunistic routing protocol forwards a received packet to a randomly selected neighbor. With predictable mobility, however, routing protocols can use the expected contact information between a pair of mobile nodes in making forwarding decisions. In this work, we also describe the previous and current research efforts in developing routing protocols for opportunistic networks.

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Oxford, Christopher R., Rajan K. Chakrabarty y Brent J. Williams. "Evaluation of assumptions made by Hygroscopic Tandem Differential Mobility Analyzer inversion routines". Journal of Aerosol Science 162 (mayo de 2022): 105955. http://dx.doi.org/10.1016/j.jaerosci.2022.105955.

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ELLIOTT, AME y BRINDA DALAL. "Design for Healthy Living: Mobility and the Disruption of Daily Healthcare Routines". Ethnographic Praxis in Industry Conference Proceedings 2006, n.º 1 (septiembre de 2006): 19–28. http://dx.doi.org/10.1111/j.1559-8918.2006.tb00032.x.

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Yoo, Eun-hye, Qiang Pu, Youngseob Eum y Xiangyu Jiang. "The Impact of Individual Mobility on Long-Term Exposure to Ambient PM2.5: Assessing Effect Modification by Travel Patterns and Spatial Variability of PM2.5". International Journal of Environmental Research and Public Health 18, n.º 4 (23 de febrero de 2021): 2194. http://dx.doi.org/10.3390/ijerph18042194.

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The impact of individuals’ mobility on the degree of error in estimates of exposure to ambient PM2.5 concentrations is increasingly reported in the literature. However, the degree to which accounting for mobility reduces error likely varies as a function of two related factors—individuals’ routine travel patterns and the local variations of air pollution fields. We investigated whether individuals’ routine travel patterns moderate the impact of mobility on individual long-term exposure assessment. Here, we have used real-world time–activity data collected from 2013 participants in Erie/Niagara counties, New York, USA, matched with daily PM2.5 predictions obtained from two spatial exposure models. We further examined the role of the spatiotemporal representation of ambient PM2.5 as a second moderator in the relationship between an individual’s mobility and the exposure measurement error using a random effect model. We found that the effect of mobility on the long-term exposure estimates was significant, but that this effect was modified by individuals’ routine travel patterns. Further, this effect modification was pronounced when the local variations of ambient PM2.5 concentrations were captured from multiple sources of air pollution data (‘a multi-sourced exposure model’). In contrast, the mobility effect and its modification were not detected when ambient PM2.5 concentration was estimated solely from sparse monitoring data (‘a single-sourced exposure model’). This study showed that there was a significant association between individuals’ mobility and the long-term exposure measurement error. However, the effect could be modified by individuals’ routine travel patterns and the error-prone representation of spatiotemporal variability of PM2.5.

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Serhani, Abdellatif, Najib Naja y Abdellah Jamali. "AQ-Routing: mobility-, stability-aware adaptive routing protocol for data routing in MANET–IoT systems". Cluster Computing 23, n.º 1 (10 de mayo de 2019): 13–27. http://dx.doi.org/10.1007/s10586-019-02937-x.

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Penger, S., K. Conrad y F. Oswald. "THE ROLE OF MOBILITY-RELATED BEHAVIORAL FLEXIBILITY AND ROUTINES FOR OUT-OF-HOME MOBILITY IN AN URBAN SETTING". Innovation in Aging 2, suppl_1 (1 de noviembre de 2018): 10–11. http://dx.doi.org/10.1093/geroni/igy023.035.

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Yu, Ruiyun, Xingyou Xia, Shiyang Liao y Xingwei Wang. "A Location Prediction Algorithm with Daily Routines in Location-Based Participatory Sensing Systems". International Journal of Distributed Sensor Networks 2015 (2015): 1–12. http://dx.doi.org/10.1155/2015/481705.

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Mobile node location predication is critical to efficient data acquisition and message forwarding in participatory sensing systems. This paper proposes a social-relationship-based mobile node location prediction algorithm using daily routines (SMLPR). The SMLPR algorithm models application scenarios based on geographic locations and extracts social relationships of mobile nodes from nodes’ mobility. After considering the dynamism of users’ behavior resulting from their daily routines, the SMLPR algorithm preliminarily predicts node’s mobility based on the hidden Markov model in different daily periods of time and then amends the prediction results using location information of other nodes which have strong relationship with the node. Finally, the UCSD WTD dataset are exploited for simulations. Simulation results show that SMLPR acquires higher prediction accuracy than proposals based on the Markov model.

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Sapori Toledo Roquette, Maria Luiza y Antônio Dimas Cardoso. "A MOBILIDADE SÓCIOESPACIAL VIA TRANSPORTE RODOVIÁRIO INFORMAL". Revista Cerrados 14, n.º 01 (19 de marzo de 2020): 215–44. http://dx.doi.org/10.22238/rc24482692v14n12016p215a244.

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A promoção de encontros e a busca pela satisfação de direitos fundamentais (saúde, trabalho, educação, lazer etc.) que não podem ser supridos num mesmo local faz surgir uma necessidade de locomoção cada vez maior entre os indivíduos, realidade esta que é facilmente percebida no dia-a-dia dos espaços sociais do Norte de Minas Gerais, Brasil. Esse fluxo migratório humano, além de introduzir novos comportamentos e modos de relações sociais, modifica a maneira pela qual os deslocamentos ocorrem. Atualmente, 2016, a migração de pessoas entre as cidades na região do Norte de Minas Gerais se dá, em grande número, através do transporte informal, que atua à margem do sistema legal brasileiro. A proposta do presente artigo é fazer uma análise da mobilidade sócioespacial no Norte de Minas Gerais, através da utilização do transporte rodoviário informal, levando-se em consideração a cidade polo de Montes Claros (MG). Para a produção deste artigo, utilizou-se a revisão bibliográfica, análise de dados secundários extraídos de instituições públicas e privadas, além de reportagem em revistas, jornais e redes sociais (facebook), coleta de dados nas fontes primárias através de observação e entrevistas abertas. Palavras-chave: Fluxo; Mobilidade; Transporte. SOCIOSPATIAL MOBILITY THROUGH INFORMAL ROAD TRANSPORT Abstract The promotion of meetings and the search for the satisfaction of fundamental rights (health, work, education, leisure etc.) that can’t be supplied in one place gives rise to a need for increased mobility among people, a reality which is easily perceived day by day in the social spaces of the North of Minas Gerais, Brazil. This human migration, as well as introducing new behaviors and social relations, changes the way in which displacements occur. Currently, 2016, the migration of people from the cities in the northern region of Minas Gerais takes place in large numbers through the informal transport, which operates outside the Brazilian legal system. The proposal of this article is to analyze the socio-spatial mobility in the North of Minas Gerais, using the informal road transport, taking into account the pole city of Montes Claros (MG). For the production of this article, we used the literature review, analysis of secondary data drawn from public and private institutions, as well as magazines articles, newspapers and social networks (facebook), data collection on primary sources through observation and open interviews . Keywords: Flow; Mobility; Transport. LA MOBILITÉ SOCIOSPATIALE VIA LE TRANSPORT ROUTIER INFORMEL Résumé La promotion des réunions et la recherche de la satisfaction des droits fondamentaux (santé, travail, éducation, sports, etc.) qui ne peuvent pas être fournis au même endroit donne lieu à un besoin de mobilité accrue entre les individus, réalité qui est facilement perceptible tous des jours dans les espaces sociaux du les Norte de Minas Gerais, Brésil. Cette migration humaine, ainsi que l'introduction de nouveaux comportements et les relations sociales, change la façon dont les déplacements se produisent. À l'heure actuelle, 2016, la migration des populations des villes de la région du Norte de Minas Gerais a lieu en grand nombre par le transport informel, qui opère en dehors du système juridique brésilien. Le but de cet article est d'analyser la mobilité socio-spatiale dans le Norte de Minas Gerais, en utilisant le transport routier informel, en tenant compte de la ville pôle de Montes Claros-MG. Pour la production de cet article, a été fait la révision de la littérature, l'analyse des données secondaires extraites des institutions publiques et privées, ainsi que les recherches des magazines, des journaux et des réseaux sociaux (facebook), e obtention de données dans les sources primaires par le biais de l'observation in loco et des entretiens ouverts. Mots-clés: Flux; Mobilité ; Transport.

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De Andrade, Nayanne Paula, Ricardo Kenji Nawa, Eliane Maria De Carvalho y Valdeci Carlos Dionísio. "Short-term effect of active lower limb cycle ergometry on mobility and muscle strength in critically ill patients: a randomized blinded clinical trial". OBSERVATÓRIO DE LA ECONOMÍA LATINOAMERICANA 21, n.º 10 (23 de octubre de 2023): 18093–108. http://dx.doi.org/10.55905/oelv21n10-193.

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Background: The effects of in-bed cycling on mobility and muscle strength is not well established, in parts due to the difficulty of measuring mobility. Objective: Investigate the effect of active lower limb cycle ergometry on mobility and muscle strength in critically ill patients evaluated by the Perme Intensive Care Unit Mobility Score and Medical Research Council, respectively. Methods: Critically ill patients dependent on mechanical ventilation were randomized, determining the control group and the experimental group. A intervention was applied for eight consecutive days and a blind physiotherapists assessed mobility before and after interventions. The experimental group (EG) was an active lower limb in-bed cycle ergometry by 15 minutes (once a day), associated with routine physiotherapy intervention (twice a day). The control group (CG) had routine physiotherapy intervention. The two-factor mixed ANOVA with Bonferroni correction tested the mobility status and muscle strength, evaluated by Perme Intensive Care Unit Mobility Score and Medical Research Council, respectively. Results: Thirty-seven patients were eligible, but 24 completed the study (12 each group). There was an interaction between interventions (before and after) and groups for mobility (F=59.513, p=0.006). But there was no interaction for muscle strength (F=4.097 p=0.055). The groups were similar before intervention for mobility [(p=0.343); confidence interval: (CG: 8.239 to 10.761) and (EG: 7.405 to 9.928)], but only the experimental group demonstrated improvement in mobility post-intervention [(p=0.017); confidence interval: (15.807 to 21.193)]. Conclusion: Compared to routine physiotherapy, in-bed cycling improved the mobility level, but not in muscle strength. Perme score was sensible to measure the mobility evolution in critical patients.

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Shi, Wenxiao, Yuan Chai y Danni Liu. "Regional energy- and mobility-aware routing protocol for hybrid wireless mesh network". International Journal of Distributed Sensor Networks 13, n.º 1 (enero de 2017): 155014771668203. http://dx.doi.org/10.1177/1550147716682039.

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Existing routing protocols for hybrid wireless mesh network neglect the negative impact on network lifetime and route stability caused by energy constraints and mobility of mesh clients. To solve this issue, a regional energy- and mobility-aware routing protocol is proposed in this article. Both energy and mobility features in hybrid wireless mesh network are considered in this routing protocol. On one hand, within the communication transmission range, the intensity and degree of dispersion in energy consumption can be perceived. The node whose neighbor area has sufficient energy can be selected for network services, which can balance energy and extend the network lifetime. On the other hand, the mobility of clients is considered to enhance the stability and reduce network overhead. Therefore, regional energy- and mobility-aware routing protocol can balance network energy consumption, prolong network lifetime, and improve route stability. Simulation results via NS2 show that regional energy- and mobility-aware routing protocol can achieve better performance significantly.

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Macdonald, Kenneth y Margaret Grieco. "Accessibility, Mobility and Connectivity: The Changing Frontiers of Everyday Routine". Mobilities 2, n.º 1 (marzo de 2007): 1–14. http://dx.doi.org/10.1080/17450100601106153.

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Martins, Leandro do C., Rafael D. Tordecilla, Juliana Castaneda, Angel A. Juan y Javier Faulin. "Electric Vehicle Routing, Arc Routing, and Team Orienteering Problems in Sustainable Transportation". Energies 14, n.º 16 (19 de agosto de 2021): 5131. http://dx.doi.org/10.3390/en14165131.

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The increasing use of electric vehicles in road and air transportation, especially in last-mile delivery and city mobility, raises new operational challenges due to the limited capacity of electric batteries. These limitations impose additional driving range constraints when optimizing the distribution and mobility plans. During the last years, several researchers from the Computer Science, Artificial Intelligence, and Operations Research communities have been developing optimization, simulation, and machine learning approaches that aim at generating efficient and sustainable routing plans for hybrid fleets, including both electric and internal combustion engine vehicles. After contextualizing the relevance of electric vehicles in promoting sustainable transportation practices, this paper reviews the existing work in the field of electric vehicle routing problems. In particular, we focus on articles related to the well-known vehicle routing, arc routing, and team orienteering problems. The review is followed by numerical examples that illustrate the gains that can be obtained by employing optimization methods in the aforementioned field. Finally, several research opportunities are highlighted.

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Jayakumar, Geetha y Gopinath Ganapathi. "Reference Point Group Mobility and Random Waypoint Models in Performance Evaluation of MANET Routing Protocols". Journal of Computer Systems, Networks, and Communications 2008 (2008): 1–10. http://dx.doi.org/10.1155/2008/860364.

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Ad hoc networks are characterized by multihop wireless connectivity, frequently changing network topology and the need for efficient dynamic routing protocols plays an important role. We compare the performance of two prominent on-demand routing protocols for mobile ad hoc networks: dynamic source routing (DSR), ad hoc on-demand distance vector routing (AODV). A detailed simulation model with medium access control (MAC) and physical layer models is used to study the interlayer interactions and their performance implications. We demonstrate that even though DSR and AODV share similar on-demand behavior, the differences in the protocol mechanisms can lead to significant performance differentials. In this paper, we examine both on-demand routing protocols AODV and DSR based on packet delivery ratio, normalized routing load, normalized MAC load, average end-to-end delay by varying the node density, network loading, and mobility variations for reference point group mobility and random waypoint models. This framework aims to evaluate the effect of mobility models on the performance of mobile ad hoc networks (MANETs) routing protocols. Our results show that the protocol performance may vary drastically across mobility models and performance rankings of protocols may vary with the mobility models used. This effect can be explained by the interaction of the mobility characteristics with the connectivity graph properties.

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Parsons, Nick R., Matthew L. Costa, Juul Achten y Xavier L. Griffin. "Baseline quality of life in people with hip fracture: results from the multicentre WHiTE cohort study". Bone & Joint Research 9, n.º 8 (agosto de 2020): 468–76. http://dx.doi.org/10.1302/2046-3758.98.bjr-2019-0242.r1.

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Aims To assess the variation in pre-fracture quality of life (QoL) within the UK hip fracture population, and quantify the nature and strength of associations between QoL and other routinely collected patient characteristics and treatment choices. Methods The World Hip Trauma Evaluation (WHiTE) study, an observational cohort study of UK hip fracture patients, collects a range of routine data and a health-related QoL score (EuroQol five-dimension questionnaire (EQ-5D)). Pre-fracture QoL data are summarized and statistical models fitted to understand associations between QoL, patient characteristics, fracture types, and operations. Results Fitting a multiple linear regression model indicated that 36.5% of the variance in pre-fracture EQ-5D scores was explained by routinely collected patient characteristics: sex (0.14%), age (0.17%), American Society of Anesthesiologists (ASA) score (0.73%), Abbreviated Mental Test Score (AMTS; 1.3%), pre-fracture mobility (11.2%), and EQ-5D respondent (participant, relative, or carer; 23.0%). There was considerable variation in pre-fracture EQ-5D scores between operations within fracture types. Participants with trochanteric fractures reported statistically significant but not clinically relevant lower pre-fracture QoL than those with intracapsular fractures. Participants with intracapsular fractures treated with internal fixation or total hip arthroplasty (THA) reported better QoL than those treated with hemiarthroplasty with the overall fittest group receiving THA. Conclusion Pre-fracture QoL varies considerably between hip fracture patients; it is generally higher in younger than older patients, patients with better mobility, and those patients who live more independently. Pre-fracture QoL is significantly associated with a range of patient characteristics (e.g. age, mobility, residency). These data explain ~35% of the variation in QoL. Cite this article: Bone Joint Res 2020;9(8):468–476.

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Wahid, Ishtiaq, Ata Ul Aziz Ikram, Masood Ahmad y Fasee Ullah. "An improved supervisory protocol for automatic selection of routing protocols in environment-aware vehicular ad hoc networks". International Journal of Distributed Sensor Networks 14, n.º 11 (noviembre de 2018): 155014771881505. http://dx.doi.org/10.1177/1550147718815051.

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With resource constraint’s distributed architecture and dynamic topology, network issues such as congestion, latency, power awareness, mobility, and other quality of service issues need to be addressed by optimizing the routing protocols. As a result, a number of routing protocols have been proposed. Routing protocols have trade-offs in performance parameters and their performance varies with the underlying mobility model. For designing an improved vehicular ad hoc network, three components of the network are to be focused: routing protocols, mobility models, and performance metrics. This article describes the relationship of these components, trade-offs in performance, and proposes a supervisory protocol, which monitors the scenario and detects the realistic mobility model through analysis of the microscopic features of the mobility model. An analytical model is used to determine the best protocol for a particular mobility model. The supervisory protocol then selects the best routing protocol for the mobility model of the current operational environment. For this, EstiNet 8.1 Simulator is used to validate the proposed scheme and compare its performance with existing schemes. Simulation results of the proposed scheme show the consistency in the performance of network throughout its operation.

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Batabyal, Suvadip y Parama Bhaumik. "Mobility Models, Traces and Impact of Mobility on Opportunistic Routing Algorithms: A Survey". IEEE Communications Surveys & Tutorials 17, n.º 3 (2015): 1679–707. http://dx.doi.org/10.1109/comst.2015.2419819.

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Yan, Gongjun, Stephan Olariu y Shaharuddin Salleh. "A Probabilistic Routing Protocol in VANET". International Journal of Mobile Computing and Multimedia Communications 2, n.º 4 (octubre de 2010): 21–37. http://dx.doi.org/10.4018/jmcmc.2010100102.

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The key attribute that distinguishes Vehicular Ad hoc Networks (VANET) from Mobile Ad hoc Networks (MANET) is scale. While MANET networks involve up to one hundred nodes and are short lived, being deployed in support of special-purpose operations, VANET networks involve millions of vehicles on thousands of kilometers of highways and city streets. Being mission-driven, MANET mobility is inherently limited by the application at hand. In most MANET applications, mobility occurs at low speed. By contrast, VANET networks involve vehicles that move at high speed, often well beyond what is reasonable or legally stipulated. Given the scale of its mobility and number of actors involved, the topology of VANET is changing constantly and, as a result, both individual links and routing paths are inherently unstable. Motivated by this latter truism, the authors propose a probability model for link duration based on realistic vehicular dynamics and radio propagation assumptions. The paper illustrates how the proposed model can be incorporated in a routing protocol, which results in paths that are easier to construct and maintain. Extensive simulation results confirm that this probabilistic routing protocol results in more easily maintainable paths.

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Rehman, Amjad, Khalid Haseeb, Tanzila Saba, Jaime Lloret y Zara Ahmed. "Mobility Support 5G Architecture with Real-Time Routing for Sustainable Smart Cities". Sustainability 13, n.º 16 (13 de agosto de 2021): 9092. http://dx.doi.org/10.3390/su13169092.

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The Internet of Things (IoT) is an emerging technology and provides connectivity among physical objects with the support of 5G communication. In recent decades, there have been a lot of applications based on IoT technology for the sustainability of smart cities, such as farming, e-healthcare, education, smart homes, weather monitoring, etc. These applications communicate in a collaborative manner between embedded IoT devices and systematize daily routine tasks. In the literature, many solutions facilitate remote users to gather the observed data by accessing the stored information on the cloud network and lead to smart systems. However, most of the solutions raise significant research challenges regarding information sharing in mobile IoT networks and must be able to stabilize the performance of smart operations in terms of security and intelligence. Many solutions are based on 5G communication to support high user mobility and increase the connectivity among a huge number of IoT devices. However, such approaches lack user and data privacy against anonymous threats and incur resource costs. In this paper, we present a mobility support 5G architecture with real-time routing for sustainable smart cities that aims to decrease the loss of data against network disconnectivity and increase the reliability for 5G-based public healthcare networks. The proposed architecture firstly establishes a mutual relationship among the nodes and mobile sink with shared secret information and lightweight processing. Secondly, multi-secured levels are proposed to protect the interaction with smart transmission systems by increasing the trust threshold over the insecure channels. The conducted experiments are analyzed, and it is concluded that their performance significantly increases the information sustainability for mobile networks in terms of security and routing.

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Pandith, Mamtha M., Nataraj Kanathur Ramaswamy, Mallikarjunaswamy Srikantaswamy y Rekha Kanathur Ramaswamy. "A Comprehensive Review of Geographic Routing Protocols in Wireless Sensor Network". Information Dynamics and Applications 1, n.º 1 (27 de diciembre de 2022): 14–25. http://dx.doi.org/10.56578/ida010103.

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To analyses the impact of high mobility, dynamic topologies, scalability and routing due to the more dynamic changes in network. To enhance mobile Ad-hoc network (MANET) self-organization capabilities by geographical routing algorithm during mobility. In this paper, a survey has been carried out on geographic routing protocols, such as hybrid routing, Greedy Routing, face-2 Algorithm, Perimeter Routing, quasi random deployment (QRD) techniques and time of arrival (TOA). An optimized multipath routing in wireless sensor network (WSN), energy utilization, detection of anonymous routing, node mobility prediction, data packet distribution strategies in WSN is analyzed. Geographic routing offers previous data packet information such as physical locations, packet elimination dependencies, storage capacity of topology, Associate costs and also identifies the dynamic behavior of nodes with respect to packets frequencies.

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K., V. y Sanjay Kumar. "Evaluation of Mobility Model with MANET Routing Protocols". International Journal of Computer Applications 152, n.º 8 (17 de octubre de 2016): 8–12. http://dx.doi.org/10.5120/ijca2016911904.

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Natarajan, K. y G. Mahadevan. "Mobility based performance analysis of MANET routing protocols". International Journal of Computer Applications 163, n.º 10 (17 de abril de 2017): 37–43. http://dx.doi.org/10.5120/ijca2017913759.

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Lenin, J., X. S. Asha Shiny, K. Vanisree y P. Sivakumar. "Connectivity and Mobility Awake Efficient Routing In MWSN". Journal of Physics: Conference Series 1964, n.º 4 (1 de julio de 2021): 042034. http://dx.doi.org/10.1088/1742-6596/1964/4/042034.

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