Miracle-dz/UniFAR-FTUs huggingface dataset:
Real-Time Rideshare Matching Problem

According to the Commuting in America report, more than 88% of American workers commute to work in private vehicles, which accounts for a daily sum of 166 million miles. The report also indicates that more than 76% of the commuters drive alone, resulting in inefficient use of the transportation infrastructure. Development of programs that encourage ridesharing can alleviate this problem; however, past efforts to promote ridesharing have not achieved full potential due to rigid spatial and temporal requirements of the travel schedules of participating parties. A dynamic rideshare system that takes advantage of real-time passenger demand, vehicle supply, and travel time information can overcome these issues. Real-time rideshare matching differs from the classical rideshare matching in two ways. First, traditional systems assume that the travelers have a fixed schedule and a fixed set of origins and destinations. Real-time systems must take into account each trip individually and be able to match the rides to arbitrary origins and destinations based on the passengers’ and drivers’ preferences. The second major difference is that real time rideshare systems must be able to respond to instant requests in a very short period of time. Numerous papers exist that deal with various aspects of ridesharing; however, few studies have considered the rideshare problem as an optimization problem. Recent technological advances in information technology, communication, and the improvements in the intelligent transportation system (ITS) infrastructure (i.e., availability of real time travel time information and live accident and congestion reports) have added a new dimension to the ridesharing problem. Motivated by the use of technology to improve mobility through efficient use of existing transportation capacity, this project proposes an optimization framework for Automated Real-Time Rideshare Network.
One Versus Two Stages Surgery of Secondary Cheilorhinoplasty and Alveolar Cleft Grafting

Purpose: This study was planned to evaluate clinically and radiographically, the outcomes of secondary cheilorhinoplastyeither simultaneously with or six months after alveolar cleft grafting for patients with unilateral cleft lip nose deformity.Materials and Methods: Interventional, comparative study carried out on twenty patients with unilateral cleft lip nosedeformity, were divided randomly into two groups, group I: secondary cheilorhinoplasty was performed simultaneously withalveolar cleft grafting, group II: secondary cheilorhinoplasty was performed six months after it. Patients were assessed bothclinically and radiographically.Results: Clinically, significant improvement in functional results regarding NOSE scale and in aesthetic results of nose and lip postoperatively in both groups with no significant difference between them. Radiographically, significant improvement in thenasal airway volume and septal deviation postoperatively in both groups with no significant differences between them.Conclusion: No significant differences clinically and radigraphically between one and two stages surgery. Standardizedphotographs are efficient and can be used for aesthetic evaluation of nose and lip. CBCT and computer software are reliabletools for measuring nasal airway volume and septal deviation for assessment of nasal obsruction. NOSE scale is a reliable toolfor nasal function evaluation and POSAS is an efficient tool for scar assessment.
Product lifecycle optimization by application of process mining

Purpose: Active product life cycle management contributes to supply chain optimization. However, in nowadays industry the high number of variants and backward loops complicate tracing the entire product lifecycle in an ERP system. Conse-quently, product lifecycle and corresponding process-organizational optimizations are difficult to implement using established analysis. The aim is to challenge process mining as an alternative to address these aspects. Methodology: This paper, therefore, applies process mining to the ERP data of a component manufacturer in the metalworking industry. For this purpose, optimization potentials are derived from a literature research and subsequently validated by the application of process mining. Thereby, the data sample comprises 202 products with 15,000 corresponding activities, which were accumulated in the period 2017 to 2019. Findings: Process mining reveals the product lifecycles and allows to take different analysis perspectives, such as a market or product category view. Firstly, potentials in a variant-driven business for PLM will be elaborated. Secondly, process-organiza-tional recommendations for the product management are developed. Thus, this paper offers a concrete approach to mapping and analyzing the product lifecycle by application of process mining. Originality: On the one hand, current analysis tools used in ERP systems merely as-sess the products actual status. On the other hand, PLM systems are regarded as costly due to the complexity but also a continuous process view is not its main focus. Nevertheless, there is little literature on alternatively using process mining in this context.
Méthode d'optimisation thermoéconomique appliquée aux centrales d'incinération d'ordures à cogénération avec appoint énergétique

These Ecole polytechnique federale de Lausanne EPFL, n° 1784 (1998)Laboratoire d'energetique industrielle Reference doi:10.5075/epfl-thesis-1784Print copy in library catalog Record created on 2005-03-16, modified on 2017-05-10
Postoperative Dissoziation nach Totalem Kniegelenkersatz und ihr Einfluss auf den Schmerzverlauf

Zusammenfassung Ziel der Studie Trotz erfolgreicher Operation klagt ungefähr jeder Fünfte Patient nach einem Kniegelenkersatz fortwährend über chronische Schmerzen. Vorangegangene Studien diskutieren in diesem Zusammenhang, dass operative Eingriffe bei einigen Patienten postoperativen traumatischen Stress auslösen. In dieser explorativen Untersuchung soll festgestellt werden, ob nach Totalem Kniegelenkersatz postoperative Dissoziation als Ausdruck von postoperativen traumatischem Stress (neu)auftritt. Außerdem soll untersucht werden, ob diese Patienten nach einem Jahr häufiger chronische postoperative Schmerzen aufweisen und inwiefern sich der Schmerzverlauf zu den anderen Patienten unterscheidet. Methodik Es wurden 201 Patienten untersucht, die eine primäre Knie-TEP erhielten. Sie beantworteten zu 3 Messzeitpunkten u. a. Fragebögen zu Knie-Schmerzen (WOMAC) und zur Feststellung von Dissoziation (FDS-20): 1 Tag präoperativ (T1), 10 Wochen postoperativ (T2) und 1 Jahr postoperativ (T3). Ergebnisse In die Analysen wurden 145 Patienten eingeschlossen. Die Inzidenz von postoperativer Dissoziation beträgt 8,3%. Dabei berichten die Patienten mit postoperativer Dissoziation nicht nur häufiger über chronische postoperative Schmerzen nach einem Jahr (p=0,016), sondern der Schmerz reduziert sich postoperativ auch in einem geringerem Maß als bei den Patienten ohne postoperative Dissoziation (p=0,025). Diskussion Die Befunde liefern Indizien dafür, dass postoperative Dissoziation als Ausdruck von postoperativem traumatischen Stress nach Totalem Kniegelenkersatz neuauftritt. Auch wenn Dissoziation kurzfristig ein Abwehrmechanismus zur Regulation von unerträglichen Affekten zu sein scheint, geht sie langfristig mit mehr chronischen postoperativen Schmerzen einher. Die Patienten mit postoperativer Dissoziation profitieren darüber hinaus weniger in einem 1-jährigen follow up von einem Totalem Kniegelenkersatz hinsichtlich der Schmerzreduktion. Schlussfolgerung Strategien zur Verringerung der Dissoziation könnten zu stärkerer Schmerzreduktion nach Knie-TEP Implementierung führen und sollten in zukünftigen Interventionsstudien untersucht werden.
Starcraft : Prima's Official Strategy Guide

From the Publisher: Complete stats for Terran, Protoss, and Zerg species Tactics for optimal use of all units Multiplayer strategies to devastate your opponents Detailed maps for all 30 missions Strategies for managing your resources and building your empire Terran, Zerg, and Protoss tech trees Advice on mastering the campaign editor About the Author Bart Farkas is the author of Star Wars: Shadows of the Empire Game Secrets for the N64, Wing Commander IV: Unauthorized Secrets & Solutions, Lords of the Realm II: The Official Strategy Guide, and other Prima titles. He is the editor-in-chief of Inside Mac Games.
Design Rules: The Power of Modularity Volume 1

From the Publisher: We live in a dynamic economic and commerical world, surrounded by objects of remarkable complexity and power. In many industries, changes in products and technologies have brought with them new kinds of firms and forms of organization. We are discovering news ways of structuring work, of bringing buyers and sellers together, and of creating and using market information. Although our fast-moving economy often seems to be outside of our influence or control, human beings create the things that create the market forces. Devices, software programs, production processes, contracts, firms, and markets are all the fruit of purposeful action: they are designed. Using the computer industry as an example, Carliss Y. Baldwin and Kim B. Clark develop a powerful theory of design and industrial evolution. They argue that the industry has experienced previously unimaginable levels of innovation and growth because it embraced the concept of modularity, building complex products from smaller subsystems that can be designed independently yet function together as a whole. Modularity freed designers to experiment with different approaches, as long as they obeyed the established design rules. Drawing upon the literatures of industrial organization, real options, and computer architecture, the authors provide insight into the forces of change that drive today's economy.
Risk factors for global longitudinal strain impairment in renal transplant recipients with preserved left ventricular ejection fraction

Background . Patients with chronic kidney disease, including these after kidney transplantation (KTx), have higher cardiovascular mortality. Global longitudinal strain (GLS) detects subtle changes in the left ventricle (LV) and is more sensitive predictor of cardiovascular mortality than the LV ejection fraction (LVEF). The aim of this study was to assess the prevalence of impaired GLS among kidney transplant recipients with preserved LVEF. We also aimed to identify possible clinical factors responsible for GLS impairment. Methods . A total of 79 patients following KTx with preserved LVEF and no history of cardiac disease were evaluated. We assessed echocardiogram parameters with the calculation of GLS, laboratory parameters, presence of diabetes, hypertension, duration of haemodialysis (HD) and time after KTx. An impaired GLS value was set on ≥-18%. The Classification and Regression Trees and stepwise logistic regression analysis were used to identify the factors related to impaired GLS. Results. Among 79 (42 females, mean age 60.3) kidney transplant recipients with preserved LVEF, 39% had impaired GLS. In stepwise logistic regression analysis, two variables related with GLS≥-18%: duration of HD before KTx longer than 27.5 months (OR 4.48, 95% CI 1.46-14.38, P=0.01), and eGFR greater than 60mL/min/1.73m2 (OR 0.155, 95% CI 0.024-0.967, P= 0.049). Conclusions. In our study group, a total of 39% of KTx patients with preserved LVEF had impaired GLS. The main risk factor of GLS impairment was the prolonged time of HD (>27.5 months) prior to KTx, whereas a good renal graft function (eGFR>60mL/min/1.73m2) only marginally proved to be a protective factor.
Wind-induced pressures on canopies attached to the walls of low-rise buildings

Current knowledge regarding wind-induced pressures on attached canopies is restricted to a limited number of studies. As a result, most wind standards and codes of practice do not provide guidelines for the design of such components. This thesis consists of a parametric study that expands current knowledge by providing a better understanding on the behavior of pressure coefficients acting on canopies attached to low rise buildings. All experimental results presented on this study have been carried out in the Building Aerodynamics Laboratory of Concordia University. Two canopy models have been fabricated for the purpose of this study in the form of rectangular thin plates with pressure taps equally distributed along both upper and lower faces. These canopy models were attached at different locations on an acrylic glass building model with a gable roof of 4:12 slope. A total of 63 geometrically unique configurations were selected for this parametric study. The experiments were performed in the boundary layer wind tunnel for a simulated open terrain exposure. The 63 configurations, as well as the location of pressure taps on both faces of the canopy allow a detailed investigation of the different wind loading patterns exhibited as a function of the changes in the building geometry. A total number of 28 different wind directions have been tested for every configuration. Local and area-averaged peak values of the induced pressures have been analyzed as a function of the different geometrical relationships, which are unique to each configuration. The experimental results indicate that a slight difference in the geometry of the attached canopy and the parent building can result in an 80% difference of the peak net pressure coefficient. It has also been noted that the most critical uplift forces occur in canopies located above the intermediate regions of the parent wall. In contrast, downward forces exhibit less sensitivity to changes in geometry. Following the analysis and observations of the experimental data, recommended design guidelines have been provided for implementation in wind standards and building codes of practice. Comparisons with previous experimental results and provisions of other international standards and codes of practice are provided.
ASPHALT MIXTURE BEHAVIOUR IN REPEATED FLEXURE (WITH DISCUSSION AND CLOSURE)

At the University of California, research has been ongoing on the behavior of asphalt paving mixtures in repeated flexure. Data has been presented illustrating effects of a number of mix variables on paving mixtures subjected to repeated bending. It is the aim of this paper to: 1) summarize the results of current studies on this subject; 2) attempt to define the effects of a number of mix variables on fatigue behavior in terms of the published data; and 3) present and discuss results of tests which explore 2 areas not usually covered in lab studies of repeated flexure. These deal with frequency of load application and reversal of stress and strain. Discussion and closure is also provided.
REDUCED 3D MARKER SET TRACKING OF ELITE SPRINT TRAINING

The purpose of this study was to develop a system to measure step length, step frequency and step velocity variations in elite athlete sprint running. Three CODA CX1 scanners were sited parallel to an indoor running track to record markers on each foot of an elite 400 m athlete sprinting in a straight line and around Lane 1 of a banked track. The goals were to produce a system which could be used routinely in training and would be accurate enough to detect small changes in step kinematics to enable variability in constant speed sprinting to be studied. The system developed was able to produce the desired data, was convenient and could be applied equally to straight and bend running.
A New Routing Algorithm for Hierarchical Wireless Sensor Networks

Wireless sensor networks (WSNs) have become an interesting area to researchers in recent years due to the low cost of sensor nodes, wide application areas and with low or no cost of maintenance after deployment in a target area. In some sensor system applications, the nodes are hard to reach and it is impossible to replace their batteries. So the nodes must operate without battery replacement for a long time. Such conditions make the system power consumption a very crucial parameter. Thus, Clustering is an energy efficient way that divides sensor nodes into many clusters, each of which has a cluster head. In this paper a new cluster-based routing algorithm for hierarchical WSNs has been proposed to select an alternative node to get replaced in place of node which loses its energy such that it extends the lifetime of entire network and avoids data loss. The simulation results show that, for large scale WSNs, our proposed algorithm performs better than the typical existing routing algorithms in terms of network lifetime
Market segmentation of cyclists: understanding attitudes toward safety

Cyclists are among the most vulnerable road users. Between 2006 and 2010 an average of 457 cyclists were seriously or fatally injured in Victoria each year. To address their vulnerability, VicRoads commissioned a research project on market segmentation of cyclists in Victoria, to inform the development of a communications strategy to cyclists and other road users to look out for each other. The project is consistent with the safe system category - safe road use, aiming to encourage safer use of the roads by cyclists, and by other road users when interacting with cyclists. Stage 1 identified segments through qualitative and quantitative research. Stage 2 was qualitative research involving focus groups with cyclists, in depth interviews with cycling organisations and ethnographies to identify messages, tone and communication channels/methods for each segment to influence safer cycling. Stage 1 identified three segments who differed by frequency of cycling, their motivations for cycling, how they cycled and their attitudes toward safety. Stage 2 results gave an indication of the type and tone of messaging as well as how to communicate these to cyclists. The paper will address in detail the key considerations for the three different segments which will be used to develop and implement a safe cycling campaign.
Structural Behaviour of Concrete Railway Sleepers

The railway concrete sleeper is an important part of the railway track structure. The sleeper member requires substantial engineering skills during the design and manufacturing process in order to fulfil the requirements set by modern train traffic. The irregularities of the train or the track generate dynamic loads that have to be accounted for during the design of sleepers. A static design system with a dynamic amplification factor is often used. However, the effects of rapid shifts in the motion of the sleeper are thereby difficult to capture. Coupling of a linear track model and a non-linear finite element sleeper model is presented in this work in order to examine the behaviour of a sleeper when subjected to dynamic loads. It was found that the inertial forces induced in the sleeper and the underlying ballast during a train passage result in an increased curvature of the sleeper, which may lead to increased crack propagation. An interactive use of both the track model and the sleeper model showed that a reduced sleeper flexural stiffness due to cracking had only a small influence on the global track response. Prestressed strands are used in sleepers to prevent cracking of the concrete. The prestress load is anchored through bond and fully transferred to the concrete prior to the rail seat position of the sleeper. In-depth knowledge concerning the bond mechanisms and the influencing parameters of strands is thus needed. Pull-through and push-in tests together with a developed numerical bond model were used in this work to determine the bond behaviour of different strands. It was found that three mechanisms - adhesion, friction and mechanical action - determines the bond at different stages of loading. The bond capacity of the three mechanisms can be improved by changing the properties of the strand surface or the surrounding concrete. Full-scale tests of sleepers in combination with finite element analysis showed that the anchorage capacity is to a large extent influenced by the initial bond behaviour of the strand, which is given by the adhesion between the strand and the concrete. The adhesion can be improved by increasing the micro roughness of the strand surface or by using additives, for instance silica, to the concrete that increase the density and the strength of the interfacial transition zone created between the strand and the surrounding concrete.
Some new insights about the accelerated failure time model

The semiparametric linear model is an important alternative to the Cox proportional hazards model for censored survival outcomes. In this dissertation, we provide some new insights for the parameter estimators and their asymptotic properties in the semiparametric linear model with censored data. In Chapter 2, we have shown that in a linear regression model, where the outcome variable is subject to right censoring and the error distribution is unspecified, the intercept parameter is consistent and asymptotically normal when the support of some covariates with nonzero coefficients is unbounded. This holds even with finite follow-up times. In a practical setting, it makes the prediction of survival time possible under a linear regression model when the covariate range is wide. Without the commonly assumed regularity condition of bounded covariates, we have also shown that the slope estimators obtained by solving the Gehan-weighted rank based estimating equation are consistent and asymptotically normal, which provides a crucial condition for the asymptotic properties of the intercept estimator. In Chapter 3, we have proposed a new approach to estimate the slope parameters in the semiparametric linear model by directly maximizing the log likelihood function in a sieve space, in which the log hazard function of the error term is approximated by B-splines. The maximization can be achieved through the gradient-based search algorithm over the sieve space. The resulting slope estimators have been shown to be consistent and asymptotically normal. In addition, the limiting covariance matrix
Τεχνικές χαμηλές κατανάλωσης ενέργειας για ανίχνευση προσώπων και κατηγοριοποίηση οχημάτων στα ασύρματα δίκτυα αισθητήρων

Περιγραφή διπλωματικής: Τα ασύρματα δίκτυα αισθητήρων αποτελούν μια νέα τεχνολογία στον χώρο των ασύρματων επικοινωνιών. Ένα δίκτυο αισθητήρων αποτελείται από έναν μεγάλο αριθμό αισθητήρων οι οποίοι κατανέμονται σε μία γεωγραφική περιοχή με σκοπό την συλλογή πληροφοριών και δεδομένων. Κάθε αισθητήρας συλλέγει δεδομένα από το φυσικό του χώρο και τα δρομολογεί σε ένα βασικό σταθμό (sink) ο οποίος επεξεργάζεται περαιτέρω τα δεδομένα.