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"The impact of pacemakers on the satisfaction and lifestyle of patients in the Dubrovnik-Neretva County"
No full textElektrostimulator je uređaj koji se koristi za ispravljanje provođenja srčanih električnih impulsa. Zadovoljstvo životom se utvrđuje kroz percepciju bolesnika o utjecaju ugradnje elektrostimulatora na njegovu radnu sposobnost, psihološko stanje i socijalno okruženje. Edukacija pacijenta nakon ugradnje, a prije odlaska kući ima znatni utjecaj na osjećaj sigurnosti i zadovoljstva pacijenta za nastavak života.
Cilj rada je utvrditi i istražiti je li se zadovoljstvo bolesnika promijenilo nakon postavljanja elektrostimulatora. Koliko je promjena zdravstvenog stanja utjecala na dnevne aktivnosti. Jesu li pacijenti i dalje u strahu nakon postavljanja elektrostimulatora. Smatraju li da je edukacija od strane medicinske sestre utjecala na smanjenje straha života pacijenata.
Hipoteza 1. Nakon postavljanja elektrostimulatora bolesnici ne osjećaju razliku prilikom obavljanja dnevnih aktivnosti u odnosu na život prije postavljanja elektrostimulatora
Hipoteza 2. Bolesnici nakon postavljanja elektrostimulatora i dalje osjećaju strah i uznemirenost
Hipoteza 3. Edukacija prije postavljanja elektrostimulatora je pozitivno utjecala na zadovoljstvo i povratak dnevnim aktivnostima
Ispitanici i metode: Ispitivanje će biti provedeno presječnom analizom između 120 bolesnika kojima je postavljen elektrostimulator na Odjelu kardiologije OB Dubrovnik u razdoblju od 1. 1. 2022. do 31. 12. 2023. Za ispitivanje je konstruiran anonimni anketni upitnik koji sadržava 20 pitanja. Četiri pitanja se odnose na sociodemografske podatke ispitanika kao što su dob, spol, radni status i stupanj obrazovanja, dok je 16 istraživačkih pitanja Lickertova tipa (1-loše, 2-dovoljan, 3-dobar, 4-vrlo dobar i 5-odličan), namijenjenih ispitivanju elemenata razine zadovoljstva bolesnika. Brojčani podatci opisani su aritmetičkom sredinom i standardnom devijacijom.
Rezultati rada: dokazuju da postoji statistički značajna razlika u zadovoljstvu bolesnika u dnevnim aktivnostima nakon ugradnje elektrostimulatora. Za hipoteze koje smo postavili vrijednost p iznosi manje od 5% (p<0,05) što potvrđuje da je ugradnja elektrostimulatora pozitivno utjecala na zadovoljstvo bolesnika.A pacemaker is a device used to correct the conduction of cardiac electrical impulses. Life satisfaction is determined through the patient's perception of the impact of pacemaker implantation on his or her ability to work, psychological state and social environment. Patient education after implantation, and before going home, has a significant impact on the patient's sense of security and satisfaction for the continuation of life.
The aim of this study is to determine and investigate whether patient satisfaction has changed after pacemaker placement. How much the change in health status affected daily activities. Are patients still in fear after the placement of pacemakers. Do they think that education by a nurse has had an impact on reducing the fear of patients' lives?
Hypothesis 1. patients do not feel the difference in daily activities compared to life earlier
Hypothesis 2. Patients, regardless of the implantation of pacemakers, are afraid and distracted
Hypothesis 3. Education has affected patients' satisfaction and return to daily activities
Subjects and methods: The study will be conducted by a cross-sectional analysis among 120 patients who were placed with a pacemaker at the Department of Cardiology of the Dubrovnik General Hospital in the period from 1.1.2022 to 31.12.2023. An anonymous questionnaire containing 20 questions was constructed for the survey. Four questions are related to sociodemographic data of respondents such as age, gender, employment status and level of education, while 16 research questions are of the Lickert type (1-poor, 2-sufficient, 3-good, 4-very good and 5-excellent), intended to examine the elements of the level of patient satisfaction. The numerical data are described by the arithmetic mean and standard deviation.
Results: prove that there is a statistically significant difference in patient satisfaction with daily activities after pacemaker implantation. For the hypotheses we have set, the p-value is less than 5% (p<0.05), which confirms that the implantation of the pacemaker is positive influenced for patient satisfaction
General characteristics of FPSO vessels
No full textFPSO brodovi (Floating Production Storage and Offloading) predstavljaju ključne plovne jedinice u industriji nafte i plina te igraju važnu ulogu u eksploataciji naftnih i plinskih nalazišta na moru. Njihova primarna funkcija je proizvodnja, skladištenje i prekrcaj ugljikovodika, a njihov dizajn omogućuje rad u udaljenim offshore područjima, često pod ekstremnim vremenskim uvjetima.
Ovaj rad analizira konstrukcijske karakteristike FPSO brodova s posebnim naglaskom na njihovu strukturalnu stabilnost, materijale gradnje, sigurnosne aspekte i primjenu suvremenih tehnologija u dizajnu i eksploataciji. Rad obuhvaća i pregled sigurnosnih standarda i regulatornih okvira koji se primjenjuju na FPSO jedinice, kao i analizu prednosti i izazova u odnosu na druge offshore proizvodne strukture. Također, analizirana su inovativna rješenja u kontekstu održivosti i smanjenja ekološkog otiska FPSO brodova, uključujući implementaciju automatiziranih sustava upravljanja i novih tehnoloških dostignuća za smanjenje emisija.
Kroz pregled recentnih istraživanja i stručne literature, rad pruža uvid u trenutne trendove i perspektive razvoja FPSO brodova, naglašavajući njihovu ključnu ulogu u budućnosti offshore industrije.FPSO (Floating Production Storage and Offloading) vessels represent key maritime units in the oil and gas industry, playing a crucial role in the exploitation of offshore oil and gas fields. Their primary function is the production, storage, and transfer of hydrocarbons, and their design enables operation in remote offshore areas, often under extreme weather conditions.
This work analyses the structural characteristics of FPSO vessels, with a particular focus on their structural stability, construction materials, safety aspects, and the application of modern technologies in design and operation. It also reviews safety standards and regulatory frameworks applicable to FPSO units, as well as an analysis of advantages and challenges compared to other offshore production structures. Furthermore, the paper explores innovative solutions in the context of sustainability and reducing the environmental footprint of FPSO vessels, including the implementation of automated management systems and new technological advancements for emission reduction.
Through a review of recent research and professional literature, the paper provides insight into current trends and future perspectives of FPSO vessel development, emphasizing their key role in the future of the offshore industry
Selective catalystic reduction (SCR) and it's application on ships for reduction of nox emissions
No full textU radu je analizirana primjena selektivnog redukcijskog katalizatora (SCR) u svrhu smanjenja emisije dušikovih oksida (NOx) iz brodskih motora s unutarnjim izgaranjem. Brodovi kao značajni izvori emisije NOx predstavljaju izazov za očuvanje okoliša i zdravlja ljudi, osobito u obalnim regijama i zaštićenim ekološkim zonama. Tehnologija SCR omogućuje kemijsku pretvorbu NOx u dušik i vodenu paru korištenjem reducirajućeg sredstva, najčešće ureje. Rad obuhvaća tehničke aspekte sustava, načela rada, kemijske reakcije, zahtjeve za ugradnju, prednosti, nedostatke te učinkovitost u stvarnim uvjetima pomorske plovidbe. Poseban naglasak stavljen je na regulativni okvir, tehničke izazove i buduće smjerove razvoja tehnologije, uključujući kompatibilnost s alternativnim gorivima i digitalizaciju upravljanja sustavom. Zaključuje se da SCR sustav predstavlja učinkovito i dugoročno održivo rješenje za ispunjavanje međunarodnih standarda o emisijama u pomorskom prometu.This paper analyses the application of Selective Catalytic Reduction (SCR) systems to reduce nitrogen oxides (NOx) emissions from marine internal combustion engines. Ships are among the major emitters of NOx, which poses a serious threat to environmental and human health, especially in coastal areas and Emission Control Areas (ECAs). The SCR technology enables the chemical conversion of NOx into harmless nitrogen and water vapour by injecting a reducing agent, typically urea, into the exhaust gas stream. The paper covers technical aspects of the system, operating principles, chemical reactions, installation requirements, advantages, disadvantages, and effectiveness under real maritime conditions. Special attention is given to the regulatory framework, technical challenges, and future development of the technology, including compatibility with alternative fuels and digitalisation of system control. It is concluded that SCR represents an efficient and long-term sustainable solution for meeting international emission standards in maritime transport
Shipwrecks of the wider Dubrovnik waters from the 20th century
No full textU ovom radu nabrojane su i opisane olupine koje se nalaze u širem dubrovačkom akvatoriju. Cilj ovoga rada je istraživanje aktivnosti potonulih brodova i njihovih posljednjih trenutaka.
Opisani su brodovi Tottono, S-57, I-BOOT, MAL -6, Baron Gautsch, Giosepe Garibaldi, Kaiser Franz Joseph I,T-8. Baron Gautsch. Kao najveća pomorska tragedija na Jadranu obrađena je i olupina broda Baron Gautsch.
Tijekom pisanja i istraživanja došao smo do nekih detalja sudbina ljudi i brodova. Pri zaronima na neke od tih olupina dokumentirao sam njihovo trenutno stanje.This paper lists and describes wrecks found in the wider Dubrovnik waters. The aim of this paper is to investigate the activities of sunken ships and their final moments.
The ships described are Totoono, S-57, I-BOOT, MAL -6, Baron Gautsch, Giosepe Garibaldi, Kaiser Franz Joseph I,T-8. Baron Gautsch. The wreck of the ship Baron Gautsch is also discussed as the greatest maritime tragedy in the Adriatic.
In the course of writing and research, we came to some details of the fate of people and ships. During dives on some of these wrecks, I documented their current condition
"The influence of stress in resuscitation on nursing students"
No full textUvod: Postupak kardiopulmonalne reanimacije (CPR) predstavlja jedan od najzahtjevnijih i najstresnijih postupaka vezanih uz bolničku, kao i izvanbolničku djelatnost. Sestrinstvo je, kao neizostavna sastavnica medicinskog tima u bazičnom i naprednom postupku oživljavanja, izloženo jačini popratnoga stresa reanimacije. Odgovor pojedinca na stres je subjektivan i individualan. Najčešće je praćen nizom emotivnih i somatskih reakcija koje proizlaze iz kompleksnosti samog događaja te dužini i učestalosti izloženosti CPR-u.
Cilj istraživanja: Utvrditi učestalost izloženosti studenata sestrinstva kardiopulmonalnoj reanimaciji, kao i jačinu doživljenoga stresa te faktore koji doprinose njegovom nastanku.
Ispitanici i metode istraživanja: Istraživanje je provedeno među 104 zdravstvena djelatnika (medicinske sestre i tehničari iz bolničkih i izvanbolničkih djelatnosti) koji su bili podijeljeni u dvije skupine: Skupinu I = sa višebrojnim iskustvom u CPR-u (CPR≥1) i Skupinu BI = sa prvim iskustvom u CPR-u (CPR=1). Anketni upitnik proveden je preko internetskog sučelja „Google Forms“, a rezultati statističke analize izraženi su numerički u obliku apsolutnih brojeva (n) i učestalosti (%) te prikazani u tablicama medijanom i interkvartilnim rasponom. Prisutnost razlika ispitana je Hi-kvadrat testom ili Fisherovim egzaktnim testom te Mann-Whitney U testom ili Kruskal-Wallis testom.
Rezultati istraživanja: Nakon provedenog istraživanja dobiveni rezultati mogu se podijeliti u pet skupina, a to su rezultati vezani uz sociodemografska obilježja ispitanika, opće parametre ocjene intenziteta stresa, objektivne čimbenike tijekom izvođenja CPR-a, subjektivne čimbenike tijekom izvođenja CPR-a te utjecaj edukacije iz CPR-a na smanjenje stresa. Ispitanici iz Skupine BI bili su mlađi (70% njih do 30 godina starosti, P<0.0001) te su imali većinom do 5 godina radnog iskustva (34%) za razliku od Skupine I u kojoj je bilo podjednako ispitanika mlađe (40%) te srednje životne dobi (40%) i gdje je čak 30% ispitanika imalo radno iskustvo duže od 16 godina. Također, ispitanici sa iskustvom su u značajno većem broju smatrali da stres ne utječe na njihove postupke tijekom reanimacije (83%) za razliku od ispitanika bez iskustva koji su bili uvjereni da stres bitno utječe na njihov rad (77%) (χ2=0.57; P=0.0001). Ispitanici iz obje skupine smatrali su da povećanju stresa tijekom izvođenja CPR-a najviše pridonosi kombinacija vanjskih i unutrašnjih (tj. osobnih) čimbenika te su reanimaciju mlade osobe ili djeteta naveli kao najjači osobni čimbenik koji pridonosi povećanju intenziteta stresa. Također, ispitanici sa iskustvom u značajno većem postotku osjećaju smirenost, bez promjena u svome radu tijekom sudjelovanja u CPR-u (57% Skupina I; P=0.035), dok ispitanici
sa jednim iskustvom u reanimaciji osjećaju i ubrzano lupanje srca, znojenje i glavobolju (32% Skupina BI; P=0.4457) koji se javljaju kao posljedica njihove nesigurnosti te manjka samopouzdanja. Obje ispitivane skupine smatrale su da bi organizacija dodatnih edukacija o kardiopulmonalnoj reanimaciji doprinijela smanjenju stresa tijekom njihovog sudjelovanja u samom postupku, kao i stalna dostupnost stručne osobe s kojom bi mogli otvoreno razgovarati.
Zaključak: Kardiopulmonalna reanimacija (CPR) predstavlja jedan od najstresnijih događaja za zdravstveno osoblje. Medicinske sestre i tehničari s višegodišnjim radnim iskustvom na radilištima gdje se učestalo susreću s postupkom kardiopulmonalne reanimacije mnogo bolje snalaze se u zadacima i izazovima koje izvođenje CPR-a stavlja pred njih zbog stečenog znanja i godina iskustva u kliničkoj praksi, a samim time, bolje se nose i sa stresom te njegovim posljedicama za razliku od zdravstvenog osoblja koje nema dovoljno iskustva u kliničkoj praksi.Introduction: The cardiopulmonary resuscitation (CPR) is one of the most demanding and stressful procedures inside and outside the hospital. Nursing, as an indispensable component of the medical team in basic and advanced resuscitation procedures, is exposed to the severity of the accompanying stress of resuscitation. An individual's response to stress is subjective and individual. It is most often accompanied by a series of emotional and somatic reactions resulting from the complexity of the event itself and the length and frequency of exposure to CPR.
Aim of the research: To determine the frequency of exposure of nursing students to cardiopulmonary resuscitation, as well as the intensity of the experienced stress and the factors that contribute to its occurrence.
Subjects and research methods: The study was conducted among 104 healthcare professionals (nurses and technicians from inside and outside the hospital) who were divided into two groups: Group I = with multiple experience in CPR (CPR≥1) and Group BI = with first experience in CPR (CPR=1). The survey questionnaire was administered via the online interface "Google Forms", and the results of the statistical analysis were expressed numerically in the form of absolute numbers (n) and frequencies (%) and presented in tables with median and interquartile range. The presence of differences was examined using the Chi-square test or Fisher's exact test and the Mann-Whitney U test or Kruskal-Wallis test.
Results: After conducting the research, the results can be divided into five groups, namely results related to the sociodemographic characteristics of the respondents, general parameters of stress intensity assessment, objective factors during CPR performance, subjective factors during CPR performance, and the impact of CPR education on stress reduction. The respondents from Group BI were younger (70% of them under 30 years of age, P<0.0001) and had mostly up to 5 years of work experience (34%), unlike Group I, which had an equal number of respondents of young age (40%) and middle age (40%) and where as many as 30% of the respondents had work experience longer than 16 years. Also, significantly more respondents with experience believed that stress did not affect their actions during resuscitation (83%) compared to respondents without experience who were convinced that stress significantly affected their work (77%) (χ2=0.57; P=0.0001). Respondents from both groups believed that the combination of external and internal (i.e. personal) factors contributed most to the increase in stress during CPR, and they cited resuscitation of a young person or child as the strongest personal factor contributing to the increase in stress intensity. Also, respondents with
experience were significantly more likely to feel calm, without changes in their work during participation in CPR (57% Group I; P=0.035), while respondents with one experience in resuscitation also felt a rapid heartbeat, sweating, and headache (32% Group BI; P=0.4457), which occurred as a result of their insecurity and lack of self-confidence. Both groups considered that the organization of additional education on cardiopulmonary resuscitation would contribute to the reduction of stress during their participation in the procedure itself, as well as the constant availability of a professional with whom they could talk openly.
Conclusion: Cardiopulmonary resuscitation (CPR) represents one of the most stressful events for healthcare personnel. Nurses and technicians with many years of work experience at workplaces where they often encounter the procedure of cardiopulmonary resuscitation are much better at handling the tasks and challenges that performing CPR puts before them due to the acquired knowledge and years of experience in clinical practice, and thus, they are better they also deal with stress and its consequences, unlike health personnel who do not have enough experience in clinical practice
The impact of a digital safety information system on passenger safety on cruise ships
No full textNapuštanje broda uslijed pomorske nesreće složen je i zahtjevan proces i kao takav može predstavljati značajan problem. Ključni elementi uspješnog napuštanja broda uključuju informiranost svih putnika o sigurnosnim postupcima, uvježbanost posade za postupanje u hitnim situacijama, jasno definirane uloge posade broda, spremnost posade na izvršavanje unaprijed dodijeljenih zadaća i pravovremeno djelovanje posade. Prije isplovljenja broda iz luke, svi putnici trebaju biti informirani o sigurnosnim postupcima koje trebaju poduzeti u slučaju opasnosti, odnosno potrebe za evakuacijom.
Kako bi se osigurala visoka razina spremnosti svih osoba na brodu na postupanje u hitnoj situaciji, potrebno je ispuniti zahtjeve koje pred brodarske kompanije stavlja Međunarodna pomorska organizacija kroz brojne propise, regulative i konvencije.
U ovom diplomskom radu je predstavljen međunarodni zakonodavni okvir kojim se regulira sigurnosni postupci, novi digitalni sustav informiranja putnika o sigurnosnim postupcima (Muster 2.0) te istraživanje o informiranosti putnika o sigurnosnim postupcima provedeno na jednom putničkom brodu.Abandoning ship due to a maritime accident is demanding process and as such can represent a significant problem. The key elements of a successful evacuation include informing all passengers about safety procedures, the crew being trained to deal with emergency situations, clearly defined roles of the crew, the crew's readiness to perform pre-assigned tasks and the timely action of the crew. Before the ship leaves the port, all passengers should be informed about the safety procedures they should take in case of emergency or the need for evacuation.
In order to ensure a high level of readiness of all persons on board to act in an emergency situation, it is necessary to fulfill the requirements set by the International Maritime Organization for shipping companies through numerous regulations, regulations and conventions.
This thesis present the international legislative framework that regulates safety procedures, a new digital system for informing passengers about safety procedures, and research on passenger information about safety procedures conducted on a passenger ship
EPIRB ( Emergency postition radio beacon)
No full textEPIRB (engl. Emergency Position Indicating Radio Beacon) je ključni sigurnosni uređaj u pomorskom prometu koji omogućuje brzo i učinkovito lociranje osoba ili plovila u pogibelji. U radu se analizira tehnička struktura, načini aktivacije, te uloga EPIRB-a u sustavu globalnog pomorskog spašavanja (GMDSS – Global Maritime Distress and Safety System). Poseban naglasak stavljen je na funkciju uređaja u hitnim situacijama, povezivanje sa satelitskim sustavima poput COSPAS-SARSAT, te zakonske obveze ugradnje na komercijalna plovila.
Kroz analizu stvarnih slučajeva spašavanja, prikazana je učinkovitost i pouzdanost ovog sustava. Rad također razmatra izazove u održavanju i pravilnoj upotrebi EPIRB-a, kao i nove tehnologije koje doprinose još preciznijem lociranju i kraćem vremenu odgovora. Cilj rada je istaknuti važnost EPIRB-a za sigurnost na moru te naglasiti potrebu za edukacijom i redovitom provjerom opreme.The Emergency Position Indicating Radio Beacon (EPIRB) is a vital safety device used in maritime navigation to enable rapid and accurate location of individuals or vessels in distress. This paper analyzes the technical features of EPIRB devices, activation methods, and their role within the Global Maritime Distress and Safety System (GMDSS). Special attention is given to the satellite-based COSPAS-SARSAT system, mandatory installation requirements on commercial vessels, and the overall importance of EPIRB in emergency response.
Through case studies of real rescue operations, the paper highlights the reliability and effectiveness of EPIRB in life-saving scenarios. Additionally, it examines current challenges related to equipment maintenance, user training, and emerging technologies that improve precision and response times. The aim of the paper is to emphasize the importance of EPIRB devices in ensuring maritime safety and the need for continuous awareness and technical readiness
"Gastrointestinal stromal tumors operated in the Dubrovnik general Hospital"
No full textGastrointestinalni stromalni tumori (GIST) su rijetki, ali najĉešći mezenhimalni tumori probavne cijevi. Porijekla su intersticijskih Cajalovih stanica i patogenetski povezani s mutacijom c-KIT gena u tim stanicama. Oko 60% tih tumora nastaje u želucu, 30% u tankom crijevu, a samo manji udio u ostalim dijelovima probavnog trakta. U radu je obrađena epidemiologija, klinička slika, patološka klasifikacija i osnovni modaliteti liječenja GIST-a. Prikupljeni su patohistološki nalazi ispitanika s operiranim GIST-om u Općoj bolnici Dubrovnik (OB Dubrovnik) u proteklih 15 godina i analizirani sljedeći pokazatelji: lokalizacija tumora, najveći promjer tumora, makroskopski izgled, histološka slika, podvrsta GIST-a, broj mitoza u 50 vidnih polja velikog povećanja, prisutnost nekroze i procjena rizika povrata bolesti. Istraživanje je provedeno na Odjelu za patologiju i citologiju prikupljanjem podataka iz elektroničke baze patoloških nalaza. Identitet ispitanika ostao je neotkriven i zaštićen, a odobrenje Etičkog povjerenstva OB Dubrovnik bilo zatraženo prije provedbe istraživanja. Podaci su analizirani metodom deskriptivne statistike i prikazani tablično i grafički.
Bilo je ukupno 19 ispitanika s operiranim GIST-om, više ženskog spola, a najčešće starijih, u dobnoj skupini 70-79 godina. U većine je GIST bio lokaliziran u želucu, a u većine ispitanika tumor je bio pomjera 2 - 5 cm. U gotovo svim sluĉajevima su u tumorskim stanicama imunohistokemijski izraženi CD117 i DOG1, što potvrđuje specifičnost i dijagnostičku vrijednost tih biljega. Rezultati doprinose razumijevanju morfoloških karakteristika GIST-a i unapređenju dijagnostičkih i terapijskih pristupa kod tog rijetkog tumora.Gastrointestinal stromal tumors (GIST) are rare but the most common mesenchymal tumors of the digestive tract. They originate from interstitial cells of Cajal and are pathogenetically associated with mutations in the c-KIT gene in these cells. Approximately 60% of these tumors arise in the stomach, 30% in the small intestine, and only a small proportion in other parts of the digestive tract.
The paper discusses the epidemiology, clinical picture, pathological classification and basic treatment modalities of GIST. Pathohistological findings of patients with GIST operated on Dubrovnik General Hospital over the past 15 years were collected and the following variables were analyzed: tumor localization, largest tumor diameter, macroscopic appearance, histological picture, GIST subtype, number of mitoses in 50 high power magnification fields, presence of necrosis and assessment of the risk of disease recurrence. The research was conducted at the Department of Pathology and Cytology by collecting data from the electronic database. The identity of the patients remained undisclosed and protected, and approval from the Ethics Committee of the Dubrovnik General Hospital was requested before conducting the research. The data were analyzed using descriptive statistics and presented in tables and graphs.
There were a total of 19 patients with operated GIST, mostly female, and in the age group of 70-79 years. In most cases, the GIST was localized in the stomach, and in most patients the tumor was 2 - 5 cm in diameter. In almost all cases, CD117 and DOG1 were immunohistochemically expressed in the tumor cells, which confirms the specificity and diagnostic value of these markers. The results contribute to the understanding of the morphological characteristics of GIST and the improvement of diagnostic and therapeutic approaches in this rare tumor
DESIGN AND EVALUATION OF BUSINESS PROCESS MODELS FOR THE OPTIMIZATION OF DATA SERVICE PACKAGES BASED ON A LOGARITHMIC DATA SET MODEL
No full textOvaj diplomski rad obrađuje temu procesnog rudarenja i evaluacije modela zapisa događaja (eng. event log model – log model). Njihova primjena je omogućena korištenjem Python biblioteke PM4Py. Cijeli rad se temelji na podacima korisnika koji koriste internetske usluge neke IT tvrtke. Uz korištenje PM4Py Python biblioteke korisne su Pandas i Matplotlib bibilioteke.
Glavni cilj je razviti model koji analizira aktivnosti korisnika. Npr. aktivnosti prijave usluge, plaćanje usluge, odjava, podnošenje zahtjeva za dodatne usluge. Da bi to bilo moguće model se treba proširiti dodatnim atributima npr. broj kvarova, potrošenog prometa u gigabajtima, tip usluge.
U prvom dijelu rada se obrađuju discipline i biblioteke potrebne za unaprjeđenje i proširenje modela. Kreiraju se potrebni podaci o korisnicima IT usluga koji se pretvaraju u oblik pogodan za PM4Py rad. U sklopu rada se odradila provjera evaluacije zapisa događaja preko heurističkog modela korištenjem metode usklađenosti reprodukcije procesa Replay Fitness-a, analize jednostavnosti, preciznosti, generalizacije i analizom temeljenom na Petrijevoj mreži (eng. Petri net) za prepoznavanje potencijalnih greški i analizatora za provjere ispravnosti rada modela (eng. WorkFlow Analyzer – WOFLAN). Svaka od tih analiza pokazuje kako model reagira na veći broj procesa i atributa i koliko je koristan za IT tvrtke ili neke druge grane.
Svaka analiza se prikazuje grafičkim prikazom koji prikazuje rezultat pojedine analize I olakšava svima bez obzira na struku i poziciju rada da s olakšanjem tumači model i potencijalne probleme koje model možda donosi.
Ovaj rad pruža detaljan uvid u razvoj logaritamskog modela skupa podataka. Predloženi model je spreman za korištenje jer se WOFLAN analizom dobije rezultat da je sustav 100% tehnički ispravan. Također je spreman za nadogradnju, prediktivne modele i prilagodbu drugim granama industrije koje imaju slične korisničke zahtjeve. Model omogućuje IT tvrtkama da steknu konkurentnu prednost i bolji odnos sa svojim korisnicima. Strojnim učenjem se razvija model koji može predvidjeti korisnička ponašanjaThis thesis investigates with the topic of process mining and the evaluation of event recording models (log model). The application is made possible by the use of the Python library PM4Py. The entire thesis is based on data from users who use the Internet services of an IT company. In addition to using the PM4Py Python library, the Pandas and Matplotlib libraries are also useful.
The main goal is to develop a model that analyzes the activities of users. For example, the activities of registering services, paying for services, unsubscribing from services and submitting requests for additional services. To enable this, additional attributes should be added to the model, e.g. number of outages, traffic consumed in GB, type of service.
The first part of the article deals with the disciplines and libraries required to improve and extend the model. The necessary data on the users of IT services is created and put into a form suitable for working with PM4Py. The work included a review of the evaluation of the protocol model by a heuristic model using replay fitness, an analysis of simplicity, precision and generalization, as well as an analysis based on a Petri net to identify potential errors and an analyzer to check the correctness of the model's operation WOFLAN). Each of these analyzes shows how the model responds to a larger number of processes and attributes and how useful it is for IT organizations or other industries.
Each analysis is presented with a graphical representation that shows the result of a particular analysis and makes it easier for anyone, regardless of their profession and working position, to interpret the model and possible problems that the model may entail.
This thesis gives a detailed insight into the development of a logarithmic model for a data set. The proposed model is ready for use as the WOFLAN analysis results in a system that is technically 100% correct. It is also ready for upgrades, predictive models and customization to other industries that have similar user requirements. The model enables IT organizations to gain a competitive advantage and build a better relationship with their users. Machine learning develops a model that can predict user behavior
Lobbying as a path to the legalization of cannabis - a comparison of Croatia, The Netherlands, Germany, Malta and Switzerland
No full textLobiranje se opisuje kao neformalna aktivnost usmjerena na utjecaj u procesu donošenja odluka među različitim vladinim razinama, s ciljem da se održe povlastice za određene interesne grupe. Iako se lobiranje smatra legitimnom praksom, postoji zabrinutost u vezi s mogućim sukobima interesa i neprimjerenim utjecajem, osobito u zemljama gdje zakonski okviri, uključujući Hrvatsku, često nedostaju. Ovaj rad analizira ulogu lobiranja u procesu legalizacije kanabisa, posebice u kontekstu pravnih i društvenih okvira zemalja kao što su Hrvatska, Nizozemska, Njemačka, Švicarska i Malta.
Iako postoji zabrinutost zbog sukoba interesa povezanim s lobiranjem, ono također može značajno utjecati na oblikovanje politika, posebno u kontroverznim pitanjima poput legalizacije kanabisa. Rad naglašava zdravstvene aspekte korištenja kanabisa i važnost postizanja ravnoteže između zaštite javnog zdravlja i komercijalnih pritisaka. Primjenom komparativne metode, rad će osvijetliti trenutne zakonske okvire i trendove u korištenju kanabisa te argumente za i protiv njegove legalizacije. Na kraju, rad ističe kako bi razvoj zakonodavnog okvira za legalizaciju kanabisa mogao donijeti ekonomske koristi i smanjiti negativne učinke povezane s crnim tržištem. Zaključuje se da lobiranje, uz odgovarajuće regulacije i pristup, može doprinijeti donošenju informiranih odluka o legalizaciji kanabisa.Lobbying is described as an informal activity aimed at influencing the decision-making process among various levels of government, with the objective of maintaining advantages for specific interest groups. Although lobbying is considered a legitimate practice, there are concerns regarding potential conflicts of interest and undue influence, particularly in countries where legal frameworks, including Croatia, are often lacking. This paper analyzes the role of lobbying in the legalization process of cannabis, especially within the legal and social frameworks of countries such as Croatia, the Netherlands, Germany, Switzerland, and Malta.
While concerns exist regarding conflicts of interest associated with lobbying, it can also significantly impact policy formulation, especially in controversial issues like cannabis legalization. The paper emphasizes the health aspects of cannabis use and the importance of achieving a balance between public health protection and commercial pressures. By employing a comparative method, the study will illuminate current legal frameworks and trends in cannabis use, as well as arguments for and against its legalization. Ultimately, the paper highlights how developing a legislative framework for cannabis legalization could yield economic benefits and reduce negative effects associated with the black market. It concludes that lobbying, with appropriate regulations and approaches, can contribute to informed decision-making regarding cannabis legalization