Quality assessment of Locata positioning system

2020 ◽  
Vol 14 (1) ◽  
pp. 95-112
Author(s):  
Igor Grgac ◽  
Rinaldo Paar

AbstractGNSS has limitations or cannot be applied in specific environments with poor geometry like city streets, tunnels, bridges, quarries, mines, ports or in indoor environment in general. In 2003 Locata Corporation from Australia began with the development of a new, completely independent technology called Locata, which was designed to overcome the limitations of GNSS. Within the project “Wearable Outdoor Augmented Reality System for the Enrichment of Touristic Content” Locata system was implemented for the first time in the Republic of Croatia. The quality of the established LocataNet network and the quality of the Locata positioning are presented in this paper as the basis for future research of possibilities to use Locata in displacement measurement. Achieved positioning precision is in a range of few mm in the horizontal direction and up to a couple of cm in the vertical direction. Although high level of precision is achieved, the accuracy, i. e. the errors of positioning solutions are up to several cm. Among other things, the research presented in this paper is focused on the reasons for achieved lower accuracy that probably have their roots in the instability of the LocataLite transmitting antennas in the established LocataNet. They namely affect the estimated float ambiguities of carrier phase measurements. Potential of relative positioning is another topic of this research, because it could allow the fixing of ambiguities to integer values and result in increase of accuracy and precision of positioning.

2020 ◽  
Vol 66 (4) ◽  
pp. 40-49
Author(s):  
Petar Vušković

AbstractThe ISO 9001:2015 certificate of quality is nowadays the most renowned quality standard in the world. Standardised quality has become an imperative competitive advantage on the market for all serious business organisations. The fluctuation of the number of certificates of quality indicates to what extent companies are willing to ensure the quality of their products and services to customers and clients, and how fast the domestic market is standardised and integrated into the global economy. This paper presents the results of two empirical studies. The first one focused on the analysis of the fluctuation in the number of ISO 9001:2015 certificates in the period from 2008 to 2018, while the second aimed to determine the satisfaction of leadership with the certificate. The study has shown that, during the observed period, the number of certificates of quality in Croatia fluctuated between – 18% and +22% annually. At the annual level, a certain number of companies lose their certificates or opt for decertification. For that reason, a study of the leadership’s level of satisfaction with the ISO 9001:2015 certificate was conducted using a sample of 296 certified business organisations. The study has proven that the leadership showed a high level of satisfaction with the certificate of quality and that they appreciate business organisations with certificates of quality. It demonstrates that the quality management certification has a bright future regardless of the annual fluctuation of the number of certificates.


Author(s):  
Vesna Konjevoda ◽  
Marko Zelić ◽  
Radenka Munjas Samarin ◽  
Davorina Petek

The aim of this study was to validate City of Hope Quality of Life-Ostomy Questionnaire (CoH-QoL-OQ) for assessing the quality of life (QoL) of ostomy patients in the Republic of Croatia. The CoH-QoL-OQ is widely used, but has not been translated or validated so it can be used in the Republic of Croatia. This cross-sectional study encompassed 302 surgery patients with colostomy, ileostomy, or urostomy (182 (60.3%) male and 120 (39.7%) female), whose average age is 59 (M = 59.3, SD = 15.8). The CoH-QoL-OQ was translated into Croatian language using accepted guidelines for translation. Patients were recruited in a telephone conversation, followed by mail containing the CoH-QoL–OQ delivered to the home addresses of the patients who agreed to participate. The collected data were analyzed to verify psychometric properties of the questionnaire on the Croatian sample. All subscales showed high level of internal consistency (Cronbach α = 0.73–0.89). The test-retest reliability indicated a very satisfactory temporal stability (r = 0.99). The Confirmatory Factor Analysis (CFA), showed that the originally established model was not adequate for the data (χ2 = 4237.88, p < 0.01, CFI = 0.540, NNFI = 0.481, RMSEA = 0.113). However, after modification that excluded problematic items, the data showed a better fit with the theoretical model (except for the LR chi-square test that remained statistically significant: χ2 = 1144.28, p < 0.01, CFI = 0.869, NNFI = 0.855 RMSEA = 0.077). We conclude that the CoH-QoL-OQ is a valid, reliable, and reducible instrument for measuring the health-related quality of life (HRQoL) among Croatian patients with ostomy in clinical research and clinical practice.


Author(s):  
George Gerapetritis

The chapter focuses on the Greek parliamentary system in a comparative perspective from a constitutional and political viewpoint. Main concerns are the constitutional doctrine of checks and balances, the level of parliamentary accountability and scrutiny, and the quality of the legislative process. The first section examines the Hellenic parliament within the constitutional architecture. Two key features are identified: the wide privilege and immunities enjoyed by the parliament, both as a constitutional agency and individually by parliamentarians; and the interpolarity of the parliament vis-à-vis the executive, the president of the republic, the judiciary, and international organizations. The second section examines parliament within political practice. Three key characteristics are identified thereof: majoritarian and divisive parliamentarism, clientelism and nepotism, and imbalanced parliamentarism. The chapter concludes that parliamentarism in Greece deteriorated, especially during the financial crisis, thus producing legal confusion and polynomy, a high level of party discipline and extreme accumulation of power to the executive, a very limited level of accountability and meritocracy, and the rise of extremist and populist parties in parliament.


InterConf ◽  
2021 ◽  
pp. 26-37
Author(s):  
Maria Hămuraru ◽  
Alina Cojocaru

This article reveals the comparative analysis of the tax system from Denmark and Norway which, although have a progressive tax system, also have a high level of social and economic well-being. The premise for the welfare state in Denmark and Norway lies in the awareness of all economic agents, including households, that taxes and fees contribute to ensuring sustainable development. Sustainable development represents all forms and methods of socio-economic development, focused on ensuring the balance between social, economic, ecological aspects and the elements of natural capital. Furthermore, there are researched ways to bond the tax system in the Republic of Moldova to international practices in order to ensure a high level of quality of life and sustainable development.


Author(s):  
Elizabeta Djambaska ◽  
Aleksandra Lozanoska ◽  
Vladimir Petkovski

This chapter considers the trend of human development in the RNM, presented through the HDI. The special focus would be the links with the problem of poverty and inequality in the economy, regarding the data for the GINI, IHDI, GDI, poverty line, MPI, vulnerable employment, and youth unemployment. The research subject is the period from 2010 to 2017, using the secondary statistical data. Comparative analysis, with the countries from the CESEE countries, further improve the quality of the chapter. The RNM is a country with a high level of human development, and it is relatively equally distributed among the population. There is a difference in the distribution of the achievements of HD and an intermediate level of equality in the distribution between the genders. Income inequality expressed with the GINI index shows increase. The results confirm that there is no automatic link between the economic growth and human development. Income and gender inequality regress the quality of life in Macedonia. Growth in RNM in the past period has failed to produce the expected positive effects.


10.12737/5928 ◽  
2014 ◽  
Vol 21 (3) ◽  
pp. 166-169
Author(s):  
Подсеваткин ◽  
D. Podsevatkin ◽  
Подсеваткин ◽  
V. Podsevatkin ◽  
Подсеваткина ◽  
...  

This article presents the analysis of the dynamics of primary morbidity and prevalence of psychic disorders among the adult and children&#180;s population of the Republic of Mordovia, according to registration form № 12 “Information about diseases, registered on the territory medical service organization&#34; and to registration form № 30, &#34;Information on the activities of the hospital&#34;. The list of possible causes and regularities of the dynamics of mental morbidity was identified. It is established that the level of mental disorders of non-psychotic character from 2007 to 2011, is higher by 1.5 times in the region than the average for the Russian Federation. There are breaches of the principle of continuity of outpatient and inpatient psychiatric services. The number of patients with first time diagnosed mental illness, taken on clinical supervision in the Republic of Mordovia, is lower by 2 times than in Russia on average. The authors note that the high level of neurotic in the region indicates a social determinism of non-psychotic mental disorders.


2011 ◽  
Vol 18 (2) ◽  
pp. 92-96
Author(s):  
Liubov KAVALIAUSKIENĖ ◽  
Rimantas PEČIŪRA ◽  
Virginija ADOMAITIENĖ

Background. The costs of depression treatment in Lithuania increase because of high depression relapse rates which indicate the necessity to evaluate first-time depression treatment rationality. The aim of this study was to evaluate the use of antidepressants according to the opinion of three groups of specialists (family doctors, psychiatrists and pharmacists) in order to assess the possibilities of a more rational use of depression treatment costs rationalizing opportunities. Materials and methods. Data on depression diagnoses were obtained from the Republic Psychiatric Health Centre. In 2009, 361 Lithuanian pharmacist, 317 family doctors and 280 psychiatrists were interviewed. The data were processed using the Statistical Package for the Social Sciences program. Results. In the study period (2004–2009), the volume of total depression diagnoses grew up by 12% and the number of relapsed depression diagnoses by 27%. Among family doctors, 13% still don’t launch depression treatment by themselves, and 62% of them refer patients to psychiatrists in cases of depression relapse. Those who prescribe a medicine all alone in most cases use sertraline, but even 38% of family doctors mention benzodiazepines. According to family doctors’ answers, 32% of them reevaluate the effect of medications in 4 weeks and 25% do not monitor it at all. More than 50% of pharmacists have noted that every day they are asked by patients for antidepressants without prescription. Conclusions. The abundance of cases of recurrent depression, recorded by family doctors, encourage to revise the preparedness of family doctors to treat this disease. The specialists’ opinion makes us to reevaluate and question the quality of depression treatment and to rationalize the efficiency of depression treatment in Lithuania as regards its both economic and social aspects. Keywords: depression treatment, antidepressants, depression relapse


Sensors ◽  
2020 ◽  
Vol 20 (21) ◽  
pp. 6288
Author(s):  
Durmus Umutcan Uguz ◽  
Rosalia Dettori ◽  
Andreas Napp ◽  
Marian Walter ◽  
Nikolaus Marx ◽  
...  

The capacitive electrocardiograph (cECG) has been tested for several measurement scenarios, including hospital beds, car seats and chairs since it was first proposed. The inferior signal quality of the cECG compared to the gold standard ECG guides the ongoing research in the direction of out-of-hospital applications, where unobtrusiveness is sought and high-level diagnostic signal quality is not essential. This study aims to expand the application range of cECG not in terms of the measurement scenario but in the profile of the subjects by including subjects with implanted cardiac pacemakers. Within this study, 20 patients with cardiac pacemakers were recruited during their clinical device follow-up and cECG measurements were conducted using a seat equipped with integrated cECG electrodes. The multichannel cECG recordings of active unipolar and bipolar pacemaker stimulation were analyzed offline and evaluated in terms of Fβ scores using a pacemaker spike detection algorithm. Fβ scores from 3652 pacing events, varying from 0.62 to 0.78, are presented with influencing parameters in the algorithm and the comparison of cECG channels. By tuning the parameters of the algorithm, different ranges of Fβ scores were found as 0.32 to 0.49 and 0.78 to 0.88 for bipolar and unipolar stimulations, respectively. For the first time, this study shows the feasibility of a cECG system allowing health monitoring in daily use on subjects wearing cardiac pacemakers.


2016 ◽  
Vol 17 (1) ◽  
pp. 43-47
Author(s):  
Dajana Nogo-Zivanovic ◽  
Ljiljana Kulic ◽  
Irena Tanaskovic ◽  
Vladimir Ristic ◽  
Tatjana Kanjevac

Abstract The aim of this study is to examine the technical quality of root canal fillings in an adult population in the Republic of Srpska, Bosnia and Herzegovina, who were treated in public dental institutions and private dental clinics. Radiographs of faculty patients, aged 25-60 years old, who came for the first time were examined for the technical quality of root canal fillings. Patients with endodonticallytreated teeth were invited for an interview to reveal the providers of the endodontic treatment. The percentages of teeth with adequate length (p<0.01) and taper (p<0.01) in institutions of public health cases were significantly greater than those in private clinic cases. In addition, the frequency of teeth with adequate root canal fillings in patients treated in public dental institutions was significantly greater than those treated in private dental clinics (p<0.01). A significantly higher percentage of adequate canal fillings is present in teeth where endodontic treatment was performed in public dental institutions compared to private dental clinics. This result indicates the need to improve the quality of endodontic treatment through more intensive training for dentists in private practice.


2021 ◽  
Vol 9 (4) ◽  
pp. 768-790
Author(s):  
Yusup M. Idrisov ◽  
◽  
Ismail I. Khanmurzaev ◽  

Research objectives: To conduct a detailed comparative analysis of the toponymic source known as “Hand Drawn Portolan of the Caspian Sea (1519)” by Vesconte Maggiolo, and ascertain the range and chronology of its sources. Research materials: At the turn of the fifteenth and sixteenth centuries, there were a few navigational maps – portolan charts – created in Italy which contained rather precise outlines of the coastline of the Caspian Sea. The present Portolan excels all earlier items in terms of precision of the depicted topographical realities of the region. The quality of the map we are examining was surpassed only in the seventeenth century after Peter I’s hydrographic expeditions. The high level of shoreline’s precision also strongly suggests that the map was based on authentic topographic input. Maggiolo’s map contains 136 geographical names. Results and novelty of the research: For the first time ever in domestic scholarship, we conducted a comparative historical analysis of the hand drawn portolan chart of the Caspian Sea. We also proved the correlation of some toponyms of the West Caspian region with the Timurid and local sources that covered the military campaigns of Amir Timur in the region. In our view, the “Hand Drawn Portolan Chart of the Caspian Sea (1519)” created by Vesconte Maggiolo is one of the most notable among similar works. It finds many common features with the portolan from the island of Lesina, but also contains some common elements with the Mallorca cartographic school and Fra Mauro, Egerton MS 73, and Egerton MS 2083. This research allows us to extend and systematize our understanding of Italian cartography in relation to the Caspian region. It also details or adds some facts about the presence of Europeans in this region during the Golden Horde era. Based on this topographic and toponymic analysis, we furthermore come to a conclusion that the portolan in question is derived from a protograph created in the first half of fifteenth century, reflecting the realities of the turn of the fourteenth and fifteenth centuries.


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