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Letteratura scientifica selezionata sul tema "Punctuality"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 28 luglio 2024

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Articoli di riviste sul tema "Punctuality"

Aveling, W. "Punctuality". BMJ 294, n. 6580 (2 maggio 1987): 1156–57. http://dx.doi.org/10.1136/bmj.294.6580.1156-a.

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Dorrington, K. L. "Punctuality". BMJ 294, n. 6580 (2 maggio 1987): 1157. http://dx.doi.org/10.1136/bmj.294.6580.1157.

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Antonios, W. R., I. J. Burns, H. B. Crum e I. H. Farquhar. "Punctuality". BMJ 294, n. 6580 (2 maggio 1987): 1157. http://dx.doi.org/10.1136/bmj.294.6580.1157-a.

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Fowler, Luke. "Paygo for punctuality". Journal of Public Budgeting, Accounting & Financial Management 28, n. 3 (1 marzo 2016): 265–98. http://dx.doi.org/10.1108/jpbafm-28-03-2016-b001.

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The federal budgeting process is wrought with conflict that makes it nearly impossible for the budget to be passed on time, or so it seems. One aspect overlooked is the effects of statutory Pay-As-You-Go (PAYGO) rules. The cursory evidence indicates PAYGO may be beneficial under certain circumstances. The analysis relies on an Autoregressive-Moving-Average (ARMA) time series model with data from appropriations bills signed into law from fiscal years 1994 to 2014. The findings indicate mixed effects for PAYGO statutes with a shorter budgeting timeline under the Budget Enforcement Act of 1990, but a longer timeline under the Statutory PAYGO Act of 2010. Additional findings suggest substantive relationships between the length of the budgeting process and party polarization, presidential leadership, and the economy.

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McGrouther, Duncan Angus. "Part 1: Punctuality". Bulletin of the Royal College of Surgeons of England 96, n. 2 (febbraio 2014): 54–55. http://dx.doi.org/10.1308/rcsbull.2014.96.2.54.

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C., Beauty, e Thomas K.T. "Disciplinary Procedures, Employee Punctuality and Employee Performance at Ndola City Council (Zambia)". African Journal of Social Sciences and Humanities Research 4, n. 2 (3 maggio 2021): 32–48. http://dx.doi.org/10.52589/ajsshr-lafoqgop.

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The purpose of the research was to assess the effect of disciplinary procedures on employee punctuality and performance at Ndola City Council. The research questions were: What is the relationship between disciplinary procedures, employee punctuality and performance? How have the institution’s disciplinary procedures influenced employees on their punctuality? In what ways have the institution’s disciplinary procedures influence employees’ performance? Four hypotheses, i.e., disciplinary procedures positively affect employee performance; disciplinary procedures positively affect employee punctuality; employee punctuality positively affects employee performance; disciplinary procedures and employee performance was moderated by employee punctuality were tested. The hypothesis, disciplinary procedures positively affect employee performance was supported. It was concluded that factors including organizational culture, public institutional entity, and delayed payment of employees’ motivational remunerations could possibly affect employee performance, hence punctuality not being a moderator. The main recommendation was that management should review issues related to organizational culture in relation to punctuality to improve performance.

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Dishon-berkovits, Miriam, e Meni Koslowsky. "Determinants of Employee Punctuality". Journal of Social Psychology 142, n. 6 (dicembre 2002): 723–39. http://dx.doi.org/10.1080/00224540209603932.

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Murtini, Umi, e Yusefin Puspa Tirtaningrum. "PENGARUH PROFITABILITAS, LIKUIDITAS, KEPEMILIKAN PUBLIK DAN REPUTASI KAP TERHADAP KETEPATAN WAKTU PELAPORAN". Jurnal Riset Akuntansi dan Keuangan 9, n. 1 (1 febbraio 2013): 59. http://dx.doi.org/10.21460/jrak.2013.91.174.

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Punctuality is important character in reporting the financial report besides main report and note of financial report. Delay of financial report publication will destract its user. Demand of its punctuality in delivering financial report of public enterprise in Indonesia is regulated on UU No. 8, 1995 on capital market and based on BAPEPAM chief’s decision No.36/PM/2003 on regular financial report obligation. This research aims to test the impact of profitability, liquidity, public ownership and KAP reputation towards punctuality on reporting the financial report. The test is using logistic regression analysis. The result shows that profitability, liquidity, and KAP reputation do not affect toward the punctuality on reporting the financial report, meanwhile the public ownership affects the punctuality on reporting the financial report. Keywords: punctuality, KAP reputation, financial report.

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GILLANI, SM, T. SAJJAD, F. TAYAB, MRQ RAO, MS RAO e F. SHAMS. "IMPACT OF PUNCTUALITY AND REGULARITY ON LEARNING BEHAVIORS AND CLINICAL SKILLS IN POST-GRADUATE RESIDENTS AT NISHTAR HOSPITAL MULTAN". Biological and Clinical Sciences Research Journal 2024, n. 1 (10 marzo 2024): 736. http://dx.doi.org/10.54112/bcsrj.v2024i1.736.

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: Punctuality and regularity are crucial traits in medical education that can significantly impact learning behaviors and clinical skills development. However, there is a lack of empirical evidence investigating their impact on postgraduate residents in the Pakistani healthcare system. This qualitative study aims to explore the experiences and perceptions of doctoral residents regarding punctuality and regularity in their clinical and learning activities at Nishtar Hospital Multan. The study also seeks to identify the perceived effects of punctuality and regularity on residents' learning behaviors and clinical skills development, highlight any barriers or facilitators to maintaining punctuality and regularity in the residency program, and provide insights to inform future interventions or policies aimed at promoting punctuality and regularity among postgraduate residents. The study found that punctuality and regularity significantly enhance postgraduate residents' learning behaviors and clinical skills. Punctual and regular residents reported better time management skills, increased exposure to different cases, and improved academic performance in their clinical and learning activities. However, some residents faced barriers to maintaining punctuality and regularity, such as long working hours and inadequate supervisor support. The study suggests that interventions aimed at promoting punctuality and regularity should consider the unique challenges and opportunities of the Pakistani healthcare system and prioritize the needs and experiences of postgraduate residents.

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Smith, Andrew J. F., Sean P. Ahern, Kenneth M. Shermock, Tara T. Feller e John D. Hill. "Assessment of impact of daily huddles and visual displays on medication delivery timeliness in a large academic medical center". American Journal of Health-System Pharmacy 77, n. 19 (4 luglio 2020): 1585–91. http://dx.doi.org/10.1093/ajhp/zxaa210.

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Abstract Purpose To evaluate the impact of pharmacy team huddles and near real-time performance dashboards on the punctuality of medication delivery departures from the adult inpatient pharmacy of a multihospital medical center. Methods Baseline delivery punctuality was established during a 2-week unannounced preintervention period, followed by the implementation of daily huddles focused on delivery timeliness along with visual displays of delivery performance metrics. The 5- to 15-minute huddles included pharmacy technicians, pharmacists, and managers. Printed visual displays that tracked hour-by-hour timeliness over the prior 24 hours were prominently displayed in the pharmacy. The primary outcome was the overall change in the percentage of punctual medication delivery departures (ie, deliveries leaving the pharmacy at the scheduled time) during the 2 weeks after implementation of huddles and visual displays (the postintervention period). Punctuality was assessed at both the day and shift levels using generalized estimating equations in a piecewise regression model. A multivariable model was constructed using a forward stepwise selection process to assess the potential impacts of workload drivers and staffing levels on medication delivery punctuality. Results During the pre- and postintervention periods, the punctuality of a total of 1,032 deliveries was recorded. Punctuality of deliveries across all shifts increased by 37% (95% confidence interval [CI], 18%-56% [P < 0.001]), from 50% to 87%, immediately following implementation of the huddle intervention. When punctuality was assessed by individual shift, we observed statistically significant increases for the day (35% [95% CI, 13%-57%], P = 0.002), evening (34% [95% CI, 12%-56%], P = 0.003) and night (57% [95% CI, 35%-79%], P < 0.001) shifts. During the forward stepwise multivariable model-building process, order volume, message volume, and technician staffing levels were not significantly correlated with delivery punctuality at the day or shift level. Conclusion Daily huddles with visual displays were successful in improving the punctuality of medication delivery departures from the pharmacy, independent of workload drivers and staffing levels.

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Più fonti

Tesi sul tema "Punctuality"

Nyström, Birre. "Punctuality and railway maintenance". Licentiate thesis, Luleå, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-26559.

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Long and frequent train delays, striking many periodically make headlines. The question is raised: what might be done about it? The on-going deregulation of the Swedish railway, with more actors entering the market, contributes to the question's topicality. In this thesis, problems and symptoms concerning punctuality are described and analysed. Herein, punctuality is defined as the extent to which an event takes place when agreed, for example the agreement between passengers and the company selling the ticket, considering the event that the train arrives at a certain time. The terminology in use on punctuality-related entities is floating. Causes for unpunctuality are related to the infrastructure, locomotives, wagons and personnel. Herein, primarily failures related to infrastructure are discussed. Maintenance, i.e. correcting and preventing failures, together with the track, rolling stock, weather, driver, other personnel and the timetable determine how good the punctuality will be. To the ore and steel transports studied it is more important to limit the lengths of the transport times, rather than having high punctuality, i.e. adherence to timetable. Generally, for freight transports it is difficult to give an estimation of the cost for unpunctuality. To find the root cause of a delay is vital, as is identification of symptoms and triggering events, in order to be able to carry out appropriate actions. Often the information needed to do so is lacking in the Ofelia database for infrastructure failures. Comparisons between regions or over time are complexified by the varying policies on how failure coding is to be performed. To improve punctuality by learning from others is made more difficult by e.g. different countries employing different ways of denoting punctuality. In the transport chain of post in Norway, terms related to punctuality varied even more among stakeholders. They considered being informed on estimated time of arrival as important, but getting this information was, despite this, not among the quantified goals. Few requirements were quantified, despite this often being simple to do. The consequences of failure are important to consider, not only e.g. the number of failures. Studying the variation in transport time on different line sections might help in identifying problems, because coding of delays shorter than five minutes is not carried out in the Swedish railway. Such causes of delay include low contact wire voltage, minor problems with locomotives and slippery rails due to leaves on the track. Disadvantageously, this variation is masked in the case of heavy trains or steep and curvy lines. In a studied maintenance organisation, the indicators of maintenance measured the result of the entire maintenance process. In order to manage each sub process better, it is more advantageous to measure the performance of them individually. Considering the specific sub process that decides which maintenance actions are to be carried out, it only uses expenses for the action itself when deciding, not resulting future costs and punctuality. The indicators focus on measuring past performance, not on facilitating planning for the future. A design of information systems facilitating information usage from different functions of the organisation would facilitate informed decisions. Information concerning technology, traffic and economy need to be integrated.
Godkänd; 2005; 20061218 (haneit)

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Nyström, Birre. "Punctuality and railway maintenance /". Luleå : Luleå University of Technology, 2005. http://epubl.luth.se/1402-1757/2005/41.

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Al-Haimi, Abdullah A. "Airline schedule punctuality management". Thesis, Cranfield University, 1991. http://dspace.lib.cranfield.ac.uk/handle/1826/9828.

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Airline schedule punctuality is a complex problem and one of the major concerns of the airline top management. Flight schedule disturbances may occur as delays and/or cancellations. There are many internal and external reasons for delays. These delays may propagate in the aircraft cycles and cause a large schedule disturbance. This may influences passenger satisfaction and airline resources. The objective of this research is to formulate a systematic approach for schedule punctuality which supports management decision making. The punctuality management system is structured to combine all schedule punctuality components, input and output variables. Five models are incorporated in this system. The first model is the disturbance model which generates random delays based on an estimated Lognormal delay distribution function. The delay analysis is carried out from a one year sample of delay statistics in which general, original , reactionary and other delay types are classified. The second model is the recovery model which incorporates the disturbance model with management strategies to determine delay propagation. A PC based simulation model (SKDMOD) is developed as a prototype which integrates disturbance and recovery models using SIMSCRIPT 11.5. 18 management strategies are simulated covering ground times (30, 40 and 50 minutes), maximum delay times to assign spare aircraft (1, 2, 3, 4, 5, and 6 hours) and spare aircraft using part of the domestic network of Saudi Arabia. The third model is the passengers' attitude model which determines the delay impact functions and the maximum passenger revenue loss based on 262 responses from a passenger interview survey. The fourth model is the revenue model which estimates the passengers' revenue loss. The fifth model is the cost model which estimates the extra cost resulting from implementation of the management strategies. All strategies are evaluated to determine the optimum based on profit and profit margin. OPTIM is the optimization program developed to find the optimum strategy(ies). This approach provides a guidelines for the management of punctuality. It integrates all the tools developed in a decision support system framework.

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Beyene, Mignote. "Effect of speed reductions for train punctuality". Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for bygg, anlegg og transport, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-18709.

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The rail way sector has been losing market, required increased subsidies and failed to generate anticipated rate of return. Therefore there has been a strong interest to measure the performance of railway operators in terms of punctuality. It is evident that In Norway punctuality shows considerable variation; most of the line being in non-optimal condition, speed is frequently reduced. Such speed reductions are often highlighted as major causes of delays. This master thesis studied the actual delays occurring on the parts of the line between Oslo and Trondheim which have speed restrictions. In doing actual time, travel times and speed restriction magnitudes data have been collected along the line. Combining both qualitative and quantitative approach to research the master thesis have mapped and analyzed speed restriction zones along the line. Using restriction mapping, statistical tools and curve fittings, the analysis revealed that as long as there is sufficient data, uniformity and regular fluctuation of the time magnitudes data there is an increasing effect caused and trend displayed on the actual time taken in the presence of the speed restrictions. Furthermore the research has looked in to the magnitude based relationship between the lost time due to restrictions and associated deviations in travel time. These resulted in a strong correlation between deviation of travel time and magnitude of lost time due to restrictions.

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Krane, Magnus. "Piloting map service for navigating in punctuality analyses for trains". Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for datateknikk og informasjonsvitenskap, 2014. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-27339.

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In a complex system such as the Norwegian railway network, there are much thatcan affect a trains punctuality. The undertakers strive to achieve higher and higherpunctuality, while the infrastructure owner, Jernbaneverket, strive for minimaldowntime on the railway network. There is collected much data for analysis aboutthe trains run and the infrastructure, in order to achieve higher punctuality and lessdowntime. The users are able to track down the source of delays and find possibleimprovements on the infrastructure, by analyzing and comparing the different datasets collected.There are many users across both different companies and internal divisionsin a company that need to cooperate, due to the size and complexity of a railwaynetwork. The different users have different needs when studying the data sets. Aarea director have the need to see the big picture over time, while a segment directorwants to see every detail within its segment.In this thesis we demonstrate a system that is aware of the different stakeholdersrequirements when presenting data. The system also takes into consideration thestakeholders need for analyzing different types of data, and comparing these.Finally, we conclude how users should be defined within a domain in order tobe aggregated over.

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Nyström, Birre. "Aspects of improving punctuality : from data to decision in railway maintenance". Doctoral thesis, Luleå, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-26620.

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The increasing demand for transportation and sustainability makes railways attractive. The ongoing deregulation of state-owned railways means that many new organisations are entering the railway sector. Hence, reducing railway delays is increasingly important to many stakeholders, including passengers, freight customers, train operating companies, railway infrastructure managers and society in general. Therefore, the study of punctuality and its improvement is essential. The purpose of the research presented in this thesis is to explore and describe information and requirements related to railway punctuality in order to support systematic improvements. The focus is on delay causes related to infrastructure maintenance. To fulfil the stated purpose, punctuality requirements, availability concepts, failure and delay data, as well as maintenance decisions, have been studied via theoretical and empirical approaches. Data was collected through interviews, document studies, archival analysis, observations and experiments. It is found that punctuality requirements and performance are currently expressed in many, hardly commensurable, ways. Hence, it is difficult to compare punctuality data from different railways. This is further complicated by the fact that delay attribution is inconsistently performed. It is also found that there is a lack of data on train traffic and infrastructure, for example, causes of delays. Although the consistency regarding ranking of decision-making criteria is rather high, the consistency of maintenance decisions is rather low. In addition, there are many interacting causes affecting punctuality, including infrastructure, timetable, rolling stock, weather and personnel. It is also found that even though unpunctuality might be explained by unavailability of some parts of the railway system, the concept of availability is not well-established and agreed upon within the railway sector. Based on the research findings, it is proposed that punctuality should be treated as the extent to which an event takes place when agreed, for example, the agreement between a passenger and a train operating company concerning the arrival of a train at a certain time. A number of availability measures for railway are also proposed, partly based on analogies to the power industry. Furthermore, the developed and applied methodologies, based on vignettes and the Analytic Hierarchy Process (AHP), are proposed to support punctuality improvements. To summarise, based on the results of this research, it is possible to improve data collection and recording, select suitable indicators and increase the awareness of the grounds on which decisions are made, all of which contribute to improved punctuality.
Den ökande efterfrågan på transporter, helst med låg miljöbelastning, gör järnvägen till ett attraktivt alternativ. I den pågående omregleringen av statliga järnvägar gör många nya aktörer entré i branschen. Att minska järnvägsförseningarna blir allt viktigare för många intressenter, som passagerare, godskunder, tågoperatörer, infrastrukturförvaltare och samhället i stort. Därför är det mycket viktigt att studera de faktorer som påverkar punktligheten.Syftet med forskningen som presenteras i denna avhandling är att undersöka och beskriva information och krav relaterade till punktlighet, i syfte att stödja systematiskt förbättringsarbete. Fokus ligger på förseningsorsaker relaterade till infrastrukturunderhåll. För att uppfylla syftet har punktlighetskrav, tillgänglighetskoncept, data för fel och förseningar, liksom underhållsbeslut, studerats teoretiskt och empiriskt. Datainsamling har skett med intervjuer, dokumentstudier, arkivmaterial, observationer och experiment.I avhandlingen visas att punktlighetsprestation och -krav idag uttrycks på många, knappast jämförbara, sätt. Således är det svårt att jämföra punktlighetsdata, eftersom olika järnvägar presenterar punktlighet på skilda sätt. Detta försvåras dessutom av att förseningsrapporteringen utförs inkonsistent. Det visas också att det saknas data om tågtrafik och infrastruktur som skulle kunna underlätta för förbättringar, även beträffande förseningsorsaker. Även om konsistensen för rangordning av kriterierna för beslutsfattande är god, är konsistensen för underhållsbeslut ganska låg. Dessutom påverkar många interagerande faktorer punktligheten, till exempel infrastruktur, tidtabell, rullande materiel, väder och personal. Det visas också att trots att opunktlighet kan förklaras av otillgänglighet hos enheter i järnvägssystemet, så saknar järnvägssektorn ett allmänt accepterat tillgänglighetsbegrepp.Baserat på forskningsresultaten föreslås att punktlighet definieras som i vilken utsträckning en händelse äger rum när det är överenskommet, till exempel överenskommelsen mellan en passagerare och en tågoperatör beträffande händelsen att ett tåg ankommer vid en viss tidpunkt. Ett antal tillgänglighetsmått för järnvägen föreslås också, delvis baserade på analogier med elkraftsindustrin. De arbetssätt som utvecklats och tillämpats, baserade på scenarier och AHP (Analytic Hierarchy Process), föreslås användas för att stödja punktlighetsförbättringar.Sammanfattningsvis, baserat på resultaten av denna forskning, är det möjligt att förbättra datainsamlingen och registreringen, välja lämpliga indikatorer och öka medvetenheten om använda beslutsgrunder, vilket bidrar till förbättrad punktlighet.
Godkänd; 2008; Bibliografisk uppgift: Förbättrad punktlighet : från data till beslut i järnvägsunderhåll; 20080314 (ysko)

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SANTOS, DANUSIA TORRES DOS. "INTERCULTURAL TIME: THE CONCEPT OF PUNCTUALITY IN THE BRAZILIAN CULTURE AND THE CONCEPT OF PUNCTUALITY IN THE BRAZILIAN CULTURE AND IN THE TEACHING/LEARNING OF PORTUGUESE AS A SECOND LANGUAGE". PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2007. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=10123@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO
Este trabalho investiga a questão do tempo na cultura brasileira, mais especificamente, o conceito de pontualidade. Identificaram- se e caracterizaram-se aspectos da (im)pontualidade como fenômeno social partilhado por brasileiros residentes na cidade do Rio de Janeiro. Dado o objetivo de se detectarem as regras implícitas do sistema temporal carioca, mostrou-se relevante o contraste entre a autopercepção e a heteropercepção dos informantes, na medida em que, na sua maioria, eles se percebem como individualmente pontuais, em oposição à imagem genérica de impontual que relacionam ao coletivo, aos brasileiros. Acredita-se que os resultados desse estudo possam oferecer subsídios para uma melhor compreensão a respeito da percepção de pontualidade dos brasileiros, fomentando a reflexão sobre esse tópico por parte do professor de português como segunda língua para estrangeiros e, conseqüentemente, sua discussão em sala de aula. Dada a natureza interdisciplinar do assunto, este estudo realizou-se à luz dos referenciais teóricos das seguintes áreas: Antropologia Lingüística, Antropologia Social, Sociologia, Psicologia Social, Interculturalismo e Cruzamento de Culturas.
This work investigates time in the Brazilian culture, more specifically, the concept of punctuality. The author identified and characterized aspects of (un)punctuality as a social phenomenon shared by Brazilians who live in the city of Rio de Janeiro. The aim of this work was to detect the implicit rules in the time marking system in the city of Rio de Janeiro. The contrast between the informants´ self-perception and perception of others proved to be quite relevant since most of them think of themselves as punctual, in opposition to the generic image of unpunctuality associated with the Brazilians collectively considered. The outcomes of this research work will most certainly offer subsidies to a better understanding of the perception of punctuality among Brazilians and will enhance the thinking of teachers of Portuguese as a second language about this topic and consequently foster discussion about it in classroom activities. Considering the interdisciplinary nature of this subject, the study was carried out in the light of theoretical references in the following areas: Linguistic Anthropology, Social Anthropology, Sociology, Social Psychology, Inter-Culturalism and Cultures Crossing.

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Granström, Rikard. "Maintenance for improved punctuality : a study of condition monitoring technology for the Swedish railway sector". Licentiate thesis, Luleå, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-25769.

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Banverket (‘the National Swedish Railway Administration') is responsible for management of the infrastructure in Sweden. The main objective of Banverket, stated by the Swedish government, is to assure a cost-effective and long-term provision of transportation for citizens and the business sector. In order to stay competitive with other forms of transportation, the railway needs to be cost-effective and provide reliable service. The reliable service is to a great extent reflected in terms of train punctuality. Railway components in general have a fairly long life, which means that the cost effectiveness of the transportation system is highly dependent on the effectiveness (doing the right things) and the efficiency (doing the things right) of its operation and maintenance process. The purpose of maintenance is to ensure business objectives through the assurance of required technical functions. Maintenance in the railway ensures the function of the systems that are es-sential for the operation of the transportation system. In other words, maintenance is a vital tool for achieving punctuality, which next to safety is Banverket's most important goal area. Developments in sensor technology and in the information and communication technology sector have provided new opportunities to use technology to assess infrastructural and rolling stock conditions. Decision support derived from condition monitoring systems can provide opportunities for improved maintenance management. In other words, condition monitoring can provide conditions for improved maintenance effectiveness and efficiency and hence punctuality. The thesis explores three areas. The first area is the exploration of current train delay statistics, performed in order to assess how the statistics can represent the influence of different factors on punctuality. The second is an exploration of the link between punctuality and maintenance and more specifically condition monitoring. The third area explores current condition monitoring applications at Banverket to form a knowledge foundation for further condition monitoring implementations intended to improve the reliability and hence the punctuality of the transportation system. In the perspective of the studies are important factors for successful applications of condition monitoring technology proposed. These are factors such as knowledge of problem characteristics, information accuracy, measurement limitations and ability to combine condition based maintenance objectives with business objectives etc. Furthermore, are recommendations for future condition monitoring implementations made. These are recommendations for enhancing the condition-based maintenance, which in turn is dependent on applications of condition monitoring. The final discussions are based upon overall experience from working with the material. The discussion links to the initial research problem, whose intension is to widen the horizon of possible condition monitoring applications.

Godkänd; 2005; 20061213 (haneit)

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Granström, Rikard. "Maintenance for improved punctuality : a study of condition monitoring technology for the Swedish railway sector /". Luleå : Luleå University of Technology, 2005. http://epubl.ltu.se/1402-1757/2005/88/.

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Forsberg, Lucas, e Anders Ström. "An analysis of schedule buffer time for increased robustness and cost efficiency in Scandinavian Airlines´traffic program". Thesis, Linköpings universitet, Kommunikations- och transportsystem, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-131768.

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The airline industry has become more competitive since the introduction of low fare airlines in the 1990s. Thus, requirement of optimized planning is nowadays essential in order to obtain high market shares. The planning behind an airworthy traffic program is complex and includes many different resources, as fleet, crew and maintenance, which have to be synchronized. With a constant risk of unforeseen disruptions and variances in the weather conditions, robustness in form of time buffers are necessary in order to give the system a chance of recovery. Generally, one delay often affects several flights due to the lack of time buffers. In order to achieve cost reductions and to maximize profit, airlines tends to create traffic programs maximizing airborne hours. This report culminates in a conclusion of where and when time buffers, in a cost efficient way, can be added in Scandinavian Airline´s traffic program in order to obtain a higher robustness. This is performed by analyzing historical flight data and by implementing a Monte Carlo simulation.

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Più fonti

Libri sul tema "Punctuality"

Addo, Kwaku. African punctuality and other stories. [cape Coast, Ghana]: K. Addo, 1999.

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Weigel, Hans. Ist Pünktlichkeit heilbar? Zürich: Kreuz, 1988.

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Basu, Kaushik. Punctuality: A cultural trait as equilibrium. Cambridge, MA: Massachusetts Institute of Technology, Dept. of Economics, 2002.

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Black, I. G. The management of train service punctuality. Cranfield: Centre for Transport Studies, Cranfield Institute of Technology, 1985.

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Karin, Maag, a cura di. On time, punctuality, and discipline in early modern Calvinism. New York: Cambridge University Press, 2009.

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Berenstain, Stan. The Berenstain Bears catch the bus: A tell the time story. New York: Random House, 1999.

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Berenstain, Stan. The Berenstain Bears catch the bus. New York: Random House, 1999.

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Bruce, Andy. Do it now. Hong Kong: Wan Li, 2002.

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Bruce, Andy. Do it Now! London: Dorling Kindersley UK, 2010.

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Ken, Langdon, a cura di. Do it now! New York: DK Pub., 2001.

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Più fonti

Capitoli di libri sul tema "Punctuality"

Clark, Adele, e Jacqui Blades. "Poor punctuality – the consequences". In Practical Ideas for Emotional Intelligence, 205–6. London: Routledge, 2021. http://dx.doi.org/10.4324/9781315169224-117.

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Ferrère, Thomas. "The Compound Interest in Relaxing Punctuality". In Formal Methods, 147–64. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95582-7_9.

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Hauck, Florian, e Natalia Kliewer. "A Data-Driven Optimization Approach to Improve Railway Punctuality". In Operations Research Proceedings, 539–45. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-18500-8_67.

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Brons, Martijn, e Piet Rietveld. "Beyond Punctuality: Appropriate Measures for Unreliability in Rail Passenger Transport". In Transitions Towards Sustainable Mobility, 175–92. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-21192-8_10.

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Reijsbergen, Daniël, e Stephen Gilmore. "Formal Punctuality Analysis of Frequent Bus Services Using Headway Data". In Computer Performance Engineering, 164–78. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-10885-8_12.

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Krishna, Shankara Narayanan, Khushraj Madnani, Manuel Mazo e Paritosh K. Pandya. "Generalizing Non-punctuality for Timed Temporal Logic with Freeze Quantifiers". In Formal Methods, 182–99. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-90870-6_10.

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Bhuiyan, Md Rifat Hossain, Shah Aymaan Ibtihal, Md Tanvirul Islam, Shanjidul Hassan Shakif e Kashfia Nahrin Nokshi. "Performance Evaluation of Different Intercity Trains of Bangladesh Based on Punctuality". In Lecture Notes in Civil Engineering, 59–71. Singapore: Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-3826-1_6.

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Yang, Yang, Fan Jian jun, Hong Yuan, Jin Shu xin e Yang Yu fei. "Research of Navigation Constellation Independent Punctuality Based on Different Configuration of Satellite Clocks". In Lecture Notes in Electrical Engineering, 369–78. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-46632-2_32.

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Pandya, Paritosh K., e Simoni S. Shah. "On Expressive Powers of Timed Logics: Comparing Boundedness, Non-punctuality, and Deterministic Freezing". In CONCUR 2011 – Concurrency Theory, 60–75. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-23217-6_5.

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Zakaria, Haziman, Diyana Kamarudin, Faiz Azizul, Mohammad Fitri Idrus, Nor Rokiah Hanum Md Haron e Norhana Mohd Aripin. "Automatic Vehicle Location (AVL): Evaluation on the Punctuality Index of City Public Bus Service". In Lecture Notes in Electrical Engineering, 75–86. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8703-8_7.

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Atti di convegni sul tema "Punctuality"

Bouyer, Patricia, Nicolas Markey, Joel Ouaknine e James Worrell. "The Cost of Punctuality". In 22nd Annual IEEE Symposium on Logic in Computer Science (LICS 2007). IEEE, 2007. http://dx.doi.org/10.1109/lics.2007.49.

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Alur, Rajeev, Tomás Feder e Thomas A. Henzinger. "The benefits of relaxing punctuality". In the tenth annual ACM symposium. New York, New York, USA: ACM Press, 1991. http://dx.doi.org/10.1145/112600.112613.

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Atkinson, Neil, Courteney Furzer, Naomi Lin e Latha Srinivasan. "690 The postnatal punctuality project". In Royal College of Paediatrics and Child Health, Abstracts of the RCPCH Conference, Glasgow, 23–25 May 2023. BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health, 2023. http://dx.doi.org/10.1136/archdischild-2023-rcpch.662.

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Veiseth, M., N. Olsson e I. A. F. Saetermo. "Infrastructure’s influence on rail punctuality". In URBAN TRANSPORT 2007. Southampton, UK: WIT Press, 2007. http://dx.doi.org/10.2495/ut070451.

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Loth, Steffen, e Stefanie M. Helm. "Punctuality as KPI for Performance Based Airport Management". In 15th AIAA Aviation Technology, Integration, and Operations Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2015. http://dx.doi.org/10.2514/6.2015-2593.

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Yuan, J., e I. A. Hansen. "Punctuality of Train Traffic in Dutch Railway Stations". In International Conference on Traffic and Transportation Studies (ICTTS) 2002. Reston, VA: American Society of Civil Engineers, 2002. http://dx.doi.org/10.1061/40630(255)73.

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Tomii, N. "How the punctuality of the Shinkansen has been achieved". In COMPRAIL 2010. Southampton, UK: WIT Press, 2010. http://dx.doi.org/10.2495/cr100111.

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Zhang, Jie, Hang Shi, Yong Cui, Feng Qian, Wei Wang, Kai Zheng e Jianping Wu. "To Punctuality and Beyond: Meeting Application Deadlines with DTP". In 2022 IEEE 30th International Conference on Network Protocols (ICNP). IEEE, 2022. http://dx.doi.org/10.1109/icnp55882.2022.9940391.

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Alla, Hajar, Lahcen Moumoun e Youssef Balouki. "Machine Learning-Based Prediction of Flight Punctuality and Delays". In 2023 7th IEEE Congress on Information Science and Technology (CiSt). IEEE, 2023. http://dx.doi.org/10.1109/cist56084.2023.10410021.

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Peng, Haorui, Fatemeh Akbarian, William Tärneberg e Maria Kihl. "Punctual Cloud: Achieving Punctuality for Time-Critical Cloud Control Systems". In 2023 IEEE 12th International Conference on Cloud Networking (CloudNet). IEEE, 2023. http://dx.doi.org/10.1109/cloudnet59005.2023.10490077.

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Rapporti di organizzazioni sul tema "Punctuality"

Jacobsen, Nils. Linjebussens vekst og fall i den voksende byen: en studie av bybussenes geografiske kvalitet Stavanger – Sandnes 1920 – 2010. University of Stavanger, novembre 2019. http://dx.doi.org/10.31265/usps.244.

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Abstract (sommario):

Linear city bus services are facing increased challenges from city growth. Increased number of inhabitants on increasing acres of built-up areas, makes it demanding to maintain adequate bus services within reasonable catchment areas. Number of departures per hour give a partial description of the bus service quality. Number of departures give reference to the time aspect of bus service quality, but say nothing about the geographical aspect. What part of the entire line network is within reach of direct bus service when frequencies are limited? To address the geographical aspect of bus service quality, the term network ratio is introduced. The term Network Ratio (NR) signifies what part of the entire line network is within reach of direct bus service to or from a certain place in the network. Network Ratio is given as a mathematical term whereby direct bus lines are calculated as a percentage of the entire network. The character and development of Network Ratio in a specific city is illustrated through an analysis of the urban growth of line network and built-up areas in the twin cities of Stavanger and Sandnes. The analysis is covering the period 1920 – 2000 in intervals of 20 years from the first bus lines were established in the urban area. Year 2010 is also included due to major changes implemented right after the turn of the millennium. Development show there is a close relation between bus network and built-up areas. When areas are being built, bus lines follow. The initial fase 1920 – 40 with extensive development of bus lines combined with some areal growth, is followed by a fase of consolidation 1940 – 60. The latter period is characterized by moderate areal growth, extended lines reducing network ratios, and increasing frequencies on the best bus lines. Extensive areal growth in the following period 1960 – 80, implies increased number of bus lines. As a consequence network ratios as well as frequencies are falling in the entire network. In 1960 certain lines had developed as much as 6 departures per hour, while maximum bus line frequency in 1980 has diminished to 2. New bus service development is introduced in the following period between 1980 and 2000. Numerous bus companies are united, and a more comprehensive planning of bus services are applied. The number of bus lines is stabilized at about 40, the fall in network ratio is reduced, and certain lines develop 4 departures per hour. Parallell to the bus development, growth of built-up areas is slowing down due to increased urban renewal with higher densities within built-up areas. In the period 2000 – 2010 new efforts are given to the development of bus services. Development of Network Ratio takes a new direction: The length of network links with high NR is increasing, while links with very low NR are diminishing. Number of bus lines is decreasing, and by 2010 almost 50% of the bus lines are served with 4 departures or more. Passenger comfort is improved in buses as well as on bus stops, and low floor buses are introduced to ease accessibility. Bus service quality is further developed after 2010. Digital services are introduced including digital ticketing, bus service information and real-time information on internet. In addition real-time information is presented at high frequency bus stops through visual screen and auditory speaker. Inside the buses name of next stop is given on screen and through loudspeaker. Further development of the bus services, should include improved Network Ratios in the entire network, as well as increased frequencies on major bus corridors. The latter is a task not only for the bus service planners, but just as well for the city planners and politicians in collaboration with the developers implementing urban density and allocation of important destinations. A last, but not least, objective for bus service development will be to improve punctuality and total travel time. Today a considerable proportion of city bus services are delayed in car traffic congestions. This is occurring especially on main streets and during rush hours. A set of different solutions are needed to address this question: 1. Dedicated bus streets (including car access to limited addresses) 2. Bus lines through local streets in concentrated housing, office and shopping areas. 3. Dedicated bus lane on main streets where possible. 4. Car traffic regulations on main streets without space for extra bus lane. As an overall vision, we need to cultivate the word of Flemming Larsen: urban growth as pearls on a string, as shown in fig. 13 and fig. 14.

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