Miracle-dz/UniFAR-FTUs huggingface dataset:
A Petri Net Based Public-Key Cryptosystem

In this paper, we present a new method to build public-key Cryptosystem. The method is based on the state explosion problem occurred in the computing of average number of tokens in the places of Stochastic Petri Net (SPN). The reachable markings in the coverability tree of SPN are used as the encryption keys. Accordingly, multiple encryption keys can be generated, thus we can perform multiple encryption to get as strong security as we expect. The decryption is realized through solving a group of ordinary differential equations from Continuous Petri Net (CPN), which has the same underlying Petri net as that of SPN. The decipherment difficulty for attackers is in exponential order. The contribution of this paper is that we can use continuous mathematics to design cryptosystems instead of discrete mathematics.
TOUR PACKAGE PROPOSAL BASED ON USER INTERESTS IN ONLINE SOCIAL MEDIA

Location message still from peripatetic users, wittingly and unconsciously, can concede way over only a user’s ordinate and abscissa. Within this report, we survey bordering k nearest adjoin queries whither the peripatetic user queries the neighborhood positioned firm through bordering k nearest sights occupying on his stream whereabouts. To weigh the assurance in our solutions, we construe a safecracker create web hosting in queries. The security reasoning has proven our solutions ensures both scene penetralium sense the user doesn't expose any fine points roughly his neighborhood to the LBS worker and interrogate separateness spirit the user doesn't expose whichever kind of POIs he's excited to the LBS worker. We consider that the mobile user can buy his position from satellites unnamed, and the central administration and the LBS laborer taboo plot to involve the user scene concealment or competent is an unnamed siphon. RSA isn't a probabilistic file encryption plan. To transform RSA to some probabilistic file encryption plan, we behoove then add indiscriminate bits worldly the theme m previously encrypting m with RSA. The ambition of deed this enjoy approving that the peripatetic user can achieve just one in POIs per quiz. Additionally, when the locomotive user can have a chain of encrypted k nearest POIs in reach the reply in the LBS assistant, he incurs time and again run the RR form just with the LBS waiter to purchase a progression of k nearest POIs on the outside precondition of quiz crop and return step. Performance has proven our law contract performs much well than PIR planted LBS enquire obligations when it comes to both complementary reckoning and information overhead.
A multi-resolution approach for optimal mass transport

Optimal mass transport is an important technique with numerous applications in econometrics, fluid dynamics, automatic control, statistical physics, shape optimization, expert systems, and meteorology. Motivated by certain problems in image registration and medical image visualization, in this note, we describe a simple gradient descent methodology for computing the optimal L2 transport mapping which may be easily implemented using a multiresolution scheme. We also indicate how the optimal transport map may be computed on the sphere. A numerical example is presented illustrating our ideas.
Is sport dangerous for children

Daniel De Wolf Ghent University Hospital, Department of Pediatric Cardiology, De Pintelaan 185, 9000 Gent, Belgium Tel. : +32 9332 2421; Fax: +32 9332 3856; E-mail: daniel.dewolf@ ugent.be ‘The long-term beneficial effects of regular physical training by far outweigh the acute risk for sudden death in children. ’ Recently, promoting physical activity in children has received much emphasis. The medical community, but also the general population, has gained conscience that physical activity offers an important shortand long-term contribution to children’s health [1]. Even in high-risk groups, such as in children with congenital heart disease, the beneficial effects of a guided sports program have been proven [2]. Guidelines for safe participation of patients with congenital heart disease in competitive sports have been established [3]. The only real drawback to vigorously promoting exercise in all children is the constant sword of Damocles, the risk of sudden death during exercise. Although rare, every event of sudden death in an apparently healthy youngster during sports is a disaster to parents and friends, which is emphasized by the immediate and mostly spectacular media coverage, thus making a deep and frightening impression on the general public. Regularly, it is questioned as to why the thorough screening of young athletes, and especially children, is not recommended and the community calls for action. After such incidents, the amount of parents self-referred to pediatric cardiologists in order to obtain ‘complete’ reassurance that their child can safely practice sports, increases dramatically. But can we really prevent sudden death in children practicing sports? And if so, then how? And to what cost? Should we limit these efforts to those engaged in competitive sports? To answer these questions, one should be aware of the real importance of the problem. Although each sudden and unexpected death of a child is absolutely devastating to parents and the community, the real incidence appears to be low. The precise frequency of sudden cardiac death during competition or training is not known, but has been estimated to be between one per 200,000 and one per 300,000 high school and college-aged athletes per year [4]. The incidence in children below the age of 16 years participating in sports is probably even lower [5]. The most common causes of exercise-related cardiac death in individuals under 35 years of age are hypertrophic cardiomyopathy (HCM), arrhythmogenic right ventricular dysplasia (ARVD, especially in Italy), myocarditis, contusio cordis, abnormal coronary artery anatomy, toxic drugs and rhythm disturbances [6,7]. For the first two anomalies (HCM and ARVD), the incidence and mortality are lower in the pediatric population when compared with adults [6]. Although sudden deaths occur during or after exercise in these anomalies, this does not appear to be the most important trigger for sudden death in children overall [5,8].
Entornos Virtuales, Realidad Aumentada y DBR en el Contexto del Aprendizaje Situado: Intervenciones con Scratch, Aurasma y Kodu.

El presente proyecto de investigacion se basa en la implantacion de una serie de tecnologias relacionadas con la problematica del uso, y los limites y delimitaciones dentro del denominado Continuo de la Virtualidad -Realidad Virtual, Realidad Aumentada, Realidad Mixta- (Milgram y Kishino, 1994, Grasset, Mullony, Billinghurst, Schmalsteig, 2011, Carmigniani, Fuhrt, Anisetti, Ceravolo, Damiani, Ivkovik, 2011, Stapleton, Davies, 2011), y su importancia e implicacion en los entornos de aprendizaje situado. Partiendo del fenomeno cognitivo que engloba las metaforas, la narrativa, las construcciones mentales, la construccion del conocimiento, o las interacciones sociales (fenomeno descrito por Harrell (2013) como Phantasmal Media), se plantea el poder expresivo de los medios computacionales y electronicos digitales para la construccion de un imaginario o contexto socio-cultural ligado a estos medios. De este modo, los medios digitales presentan una oportunidad sin precedentes a la hora de proponer un modelo constructivista (Vygotsky, 1978, Kolb, 1976, 1984) basado en la implantacion de tecnologias interactivas que tienen relacion con el Continuo de la Virtualidad y su aplicacion a nivel narrativo en entornos de aprendizaje. El estudio realiza, a partir de una metodologia cuantitativo-cualitativa, una evaluacion de las mecanicas de aprendizaje y los resultados obtenidos a partir de la implantacion de instrumentos y recursos que permitirian a los alumnos construir e interactuar con su propio aprendizaje en el contexto del estudio del patrimonio historico. Las tecnologias usadas dentro de este contexto educativo son: Scratch (entorno de aprendizaje de lenguajes programacion), Aurasma (plataforma movil de realidad aumentada), y Kodu Game Lab (entorno de desarrollo integrado de programacion para la creacion de entornos virtuales).
Influencia de la duración y la frecuencia de muestreo en la medición ambulatoria de la presión arterial

Introduccion y objetivos. La mayoria de los estudios con medicion ambulatoria de la presion arterial se han basado en registros obtenidos cada 15-30 min durante 24 h. Hemos examinado el impacto de la duracion y la frecuencia de muestreo en la estimacion de parametros de diagnostico derivados de la medicion ambulatoria. Metodos. Estudiamos a 1.450 pacientes hipertensos y un grupo control de 378 voluntarios normotensos. La presion arterial se midio cada 20 min entre las 7.00 y las 23.00 y cada 30 min en la noche durante 48 h consecutivas. Los datos fueron divididos generandose distintas series con datos obtenidos a intervalos de 1, 2, 3 o 4 h durante 48 h. Tambien se crearon un par de series con la frecuencia de muestreo original para las primeras y ultimas 24 h. Se comparo la concordancia del valor medio de presion entre las series originales y cada grupo de series diezmadas. Resultados. La variabilidad en la estimacion de la media de presion aumenta de forma progresiva con la perdida de datos, con un rango de error creciente desde 11 mmHg con datos cada hora hasta 28 mmHg con datos cada 4 h. Este rango de error aumenta todavia mas (36 mmHg) cuando, a la frecuencia de muestreo original, se recorta la serie a 24 h. Conclusiones. Este estudio demuestra que la reproducibilidad de los valores medios de presion arterial depende mas de la duracion que de la frecuencia de muestreo. Los resultados indican que 24 h de medicion pueden ser insuficientes en el diagnostico de hipertension, la identificacion del patron dipper y la valoracion de la eficacia terapeutica.
Efectividad de la hidroterapia para disminuir el dolor y mejorar la calidad de vida y función física en adultos con osteoartritis de rodilla: revisión sistemática

espanolObjetivo: determinar la efectividad de la hidroterapia para disminuir el dolor, mejorar la calidad de vida y funcion fisica en adultos con osteoartritis de rodilla, mediante la recopilacion de los diferentes estudios cientificos de alta calidad metodologica publicados a la fecha. Material y metodos: se realizo una revision sistematica en las bases de datos de: PEDro y MEDLINE. Fueron incluidos ensayos controlados aleatorios con pacientes diagnosticados de osteoartritis de rodilla. Se seleccionaron articulos publicados entre el 1 de enero de 2004 hasta el 31 de julio de 2014 en lengua espanola e inglesa. Seleccion de estudios: se realizo de manera independiente, no cegada, por 2 revisores, y se llevo a cabo una clasificacion de los estudios mediante la escala PEDro. Resultados: se encontraron 119 articulos que potencialmente podrian incluirse a este trabajo. Al determinar los criterios de inclusion y exclusion solo se seleccionaron 6 articulos para su analisis. Conclusiones: existe evidencia solida que indica que el uso de hidroterapia es efectiva para el tratamiento de la osteoartritis de rodilla en adultos sobre 50 anos, con un seguimiento minimo de 6 semanas. EnglishObjective: To determine the effectiveness of hydrotherapy to reduce pain, improve quality of life and physical function in adults with knee osteoarthritis, by collecting the various scientific studies of high methodological quality on the date published. Material and methods: A systematic review of five computerized bibliographic databases was performed: PEDro and MEDLINE. We included randomized controlled trials with patients diagnosed with knee osteoarthritis trials. Articles publish-ed from January 1, 2004 to the July 31, 2014 in Spanish and English were selected. Study screening: Studies were independently selected, unblinded, by two reviewers. The PEDro scale was used to classify the studies. Results: Of the 119 studies that could potentially have been included. In determining the criteria for inclusion and exclusion only 6 items were selected for analysis. Conclusions: There is strong evidence that the use of hydrotherapy is effective in the treatment of osteoarthritis of the knee in adults over 50 years with a minimum follow up of 6 weeks.
Treatment of chronic osteomyelitis with locally made calcium sulfate bone cement pellets impregnated with antibiotics at University Teaching Hospital of Butare (CHUB), Rwanda

Background: Chronic osteomyelitis remains a challenging and potentially lifelong disease. Its treatment includes surgery, which is essential and consists of the removal of all dead bone and necrotic soft tissues, and systemic antibiotic administration. One excellent modality for antibiotic delivery is the use of antibiotic-impregnated bone cement. In this paper, we report our experience of operating-room-made antibiotic-impregnated bone cement at University Teaching Hospital of Butare (CHUB), Rwanda. Methods: Fifty-five patients with haematogenously spread chronic osteomyelitis were operated upon and benefited from our protocol between January 2015 and December 2016. Excluded from this study were cases in which we estimated that soft tissue bone coverage might have been a challenge. We mixed 300 g of calcium sulfate powder with 2 g of ceftriaxone and 480 mg of gentamicin to form pellets. To allow for drying, we prepared the mixture 2 hours before implantation into operated bone. Results: Thirty-one patients (56%) were children under 15 years of age, and 44 (80%) of the cases involved the tibia or the femur. After 12 months of follow-up, only 3 cases (5%) presented with complications that needed additional surgeries. All complications were related to the biodegradation of the calcium sulfate pallets. The rest of the patients in this study improved without complications. Conclusions: The locally made (within in the operating room) antibiotic-impregnated bone cement at CHUB was safe, effective, and of low cost. https://dx.doi. org/10.4314/ecajs.v23i1. 1 This work is licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source (including a link to the formal publication), provide a link to the Creative Commons license, and indicate if changes were made.
Advanced Engineering Thermodynamics

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A review of the nature, role, and function of dentin non‐collagenous proteins. Part 1: proteoglycans and glycoproteins

Dentin is a collagen-based mineralized tissue consisting of inorganic apatite crystallites embedded in an extracellular matrix. In addition to type I collagen, the dentin organic matrix contains several proteins and proteoglycans, collectively referred to as non-collagenous proteins, that play fundamental roles in actively promoting, controlling, and regulating fibrillogenesis, crystal growth, and mineralization during dentinogenesis. Similarly to collagen fibrils, non-collagenous proteins are synthesized and secreted by odontoblasts and some of them are detectable in both predentin and mineralized dentin while others are only within the dentin layer. Non-collagenous components include proteoglycans (such as decorin, biglycan, fibromodulin, lumican, osteoadherin, and versican) and several glycoproteins such as osteocalcin, osteonectin, and the SIBLING proteins (i.e. osteopontin, bone sialoprotein, dentin matrix protein-1, dentin sialophosphoprotein, and matrix extracellular phosphoglycoprotein). The first part of this review offers an overview of the nature of the above-mentioned non-collagenous proteins of the dentin organic matrix and their postulated functions, since a better understanding of the biological dynamics of the extracellular macromolecules is fundamental to clarifying the properties and function of the human mature sound dentin.
Toddler food and activity patterns and body composition: a study of the offspring of mothers treated for gestational diabetes mellitus

xi ABBREVIATIONS xiii GLOSSARY xiv CHAPTER 1: INTRODUCTION 1 1.1 The problem 1 1.1.1 The pathogenesis of childhood obesity 2 1.1.2 Gestational diabetes mellitus and childhood obesity 4 1.1.3 Study overview and population 5 1.2 Literature review 7 1.2. 1 Ethnic differences in obesity 7 1.2. 2 Food and activity patterns and childhood obesity 9 1.2. 3 Maternal diabetes and childhood obesity 29 1.2. 4 Review of methods 32 1.3 Aims 36 1.4 Hypotheses 36 1.5 Significance 37
The students' interest in introducing physical education classes at faculties.

Introduction. In the period from 1963 to 1998 regular PE classes were organized for all first year students at the universities in Serbia. At the University of Belgrade, non-swimmers attended compulsory swimming lesson, while the swimmers were given a choice of other activities such as skating, exercises accompanied with music, sports games, etc. The compulsory part of the course implied the weeks of preparation for cross country race and its realization and all students participated in it. We wanted to examine whether the students’ would be interested in attending PE classes as an optional course. Methods. A survey method was applied, i.e., we made the transversal cross section of the students’ attitudes and interests. Basic research technique was the survey carried out by the means of a standardized cloze-type questionnaire. The research was performed in May and November 2010, on the sample of 2160 students from Belgrade, plus 300 students from Novi Sad and 300 students from Niš. The average students’ age in this study was 21.5. Results. Belgrade university students were mostly interested in swimming (51.33%), then in basketball (48, 00%), mountaineering (40.00%), fitness (36.33%), volleyball (36%), etc. The students at the University of Novi Sad showed interest in almost the same sports and recreational activities. These students showed the greatest interest in swimming (44.21%), followed by volleyball (33.84%), basketball (27.04%), fitness (19.72%) etc. The students at the University of Niš also displayed the greatest interest in swimming (36.30%). About 42.5% of the respondents exercise at least once a week. It can be noticed that the frequency of doing physical exercises decreases with age. Over 56% of students exercise at least once a week, whereas this percentage reduces to 40% among the employed and among the retired it reduces to about 32%. On the basis of the obtained data it may be stated that a great number of students do not meet the minimum criterion of the weekly exercise frequency which should be at least three times a week. Conclusion. On the basis of the data obtained from the survey carried out on the sample of students at the universities of Belgrade, Novi Sad and Niš, we can conclude that the students at all three universities are largely interested in having organized regular PE classes at their universities. The survey confirmed that there is a variety of interests in particular sport-recreational activities among the students at different universities.
Specification and validation of telecommunications systems with use case maps and lotos

The functional modeling of telecommunications systems requires an early emphasis on behavioral aspects. In the first stages of common development processes, telecommunications features, services, and functionalities are defined in terms of informal requirements and visual descriptions. As these descriptions grow and evolve, they quickly become error-prone and difficult to understand. Consequently, designs can hardly be checked or validated against such descriptions. This thesis proposes an innovative methodology named Specification-Validation Approach with LOTOS and UCMs (SPEC-VALU E), which tackles these problems using two notations. The first notation, called Use Case Maps (UCMs), is used to capture and integrate functional requirements in terms of causal scenarios. Scenarios describing system views, uses, and services are becoming a common method of capturing functional requirements of reactive and distributed systems. They are particularly appropriate to represent behavioral aspects so that various stakeholders can understand them. In addition to these general properties of scenarios, UCMs can help reasoning about system-wide functionalities at a high level of abstraction. Integrating UCMs together also helps avoiding many undesirable interactions, usually resulting from the composition of different scenarios, before the generation of prototypes. The second notation is the formal specification language LOTOS . It will be shown that UCM scenarios bound to architectural components can be translated into high-level LOTOS specifications. In turn, these specifications can be used as prototypes to animate UCMs and to validate high-level designs against requirements systematically through numerous techniques, including functional testing based on UCMs. LOTOS possesses powerful testing concepts and tools that excel at detecting errors and undesirable interactions. LOTOS represents a judicious formalism here because it supports many UCM constructs directly, and it complements most of UCMs weak areas related to the analysis of systems. SPEC-VALUE introduces theories and techniques for constructing LOTOS specifications from UCMs, for deriving validation test cases from UCMs, and for measuring the structural coverage of LOTOS specifications achieved during validation. An ongoing example is used to illustrate these concepts: the Tiny Telephony System . The thesis validates the SPEC-VALUE methodology through its application to various telecommunications systems (Group Communication Server, Group-Call service of GPRS, feature interactions, agent-based simplified basic call, and GSM's MAP protocol), and concludes with an assessment of these experimental results.
On-line algorithms for blind deconvolution of multichannel linear time-invariant systems

Blind deconvolution and blind equalization have been important interesting topics in diverse fields including data communication, image processing and geophysical data processing. Inouye and Habe (1995) proposed a constrained multistage criterion for attaining blind deconvolution of multichannel linear time-invariant (LTI) systems. In this paper, based on their constrained criterion, we present an iterative algorithm for solving the blind deconvolution problem of multichannel LTI systems. Inouye and Sato (1996) proposed new unconstrained criteria for accomplishing the blind deconvolution of multichannel LTI systems. Based on their unconstrained criteria, we show iterative algorithms for solving the blind deconvolution of multichannel LTI systems. Simulation examples are included to examine the proposed algorithms.