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Determination of produced and consumed electricity of a residential building using a graphical user interface
Eva Simonič, Iztok Brinovar, Sebastijan Seme, Klemen Sredenšek, 2021, strokovni članek

Opis: The primary objective of this paper is to present a graphical user interface for the calculation of electricity produced by a photovoltaic system and electricity consumed by a heat pump. The produced electricity is determined by a multi-year average of measurements of the global and diffuse power density of solar radiation for several places in Slovenia, while consumed electricity is determined based on the required heat for heating a residential building and domestic water. The calculation of produced and consumed electricity is validated by measurements on a real system. The developed graphical user interface enables simple user inputs of the photovoltaic system, heat pump, and the considered residential building, and provides a comprehensive technical analysis for installing both systems at the same location.
Ključne besede: graphical user interface, photovoltaic system, heat pump, production of electricity, consumption of electricity
Objavljeno v DKUM: 13.11.2023; Ogledov: 191; Prenosov: 8
.pdf Celotno besedilo (2,75 MB)
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User Experience and Interface Design for a Digital Platform to Support Pet Adoption From Animal Shelters and Animal Rescue Organisations in Europe : magistrsko delo
Špela Bricman, 2023, magistrsko delo

Opis: This thesis used design thinking to create a user-friendly digital platform named PetScout for adopting animals from European shelters and rescue groups. We conducted user interviews and an online survey and designed personas, empathy maps, and scenarios to understand user needs. As part of the design process, we defined the platform’s requirements and developed the information architecture. We identified two viable solutions for the project based on research findings: a web-based and a mobile-based solution. To visualize these ideas effectively, we developed prototypes at two different fidelities – low and high fidelity. The prototypes were tested in usability testing using the thinking-aloud method, which measured effectiveness, efficiency, and satisfaction. The usability testing results showed that our platform is visually appealing, user-friendly, intuitive, and easy to use. A vital finding was the platform’s effectiveness, as high-fidelity prototypes achieved a task completion rate of 100%. Moreover, the concept proved highly efficient since participants, on average, needed 166 seconds to finish vital tasks. Additionally, the SUS score of 97, supported by the positive qualitative user feedback, signifies outstanding user satisfaction and a high level of usability. Finally, this study highlights the importance of knowing and understanding user needs in design, and it provides recommendations to improve usability and potentially increase the number of successful adoptions on similar platforms.
Ključne besede: user experience design, user interface design, design thinking, user research, usability testing
Objavljeno v DKUM: 13.10.2023; Ogledov: 383; Prenosov: 24
.pdf Celotno besedilo (7,91 MB)

Smart unattended home delivery box : European patent specification EP 3 799 554 B1, 2023-07-12
Amor Chowdhury, Miloš Urbanija, Luka Gošte, Dalibor Igrec, 2023, patent

Opis: The invention refers to a secure locker box including a basic box (100) with a door enclosing a storage area, and a lock system for locking said door, said lock system including a processing unit (201), an electro mechanical door lock (202), and a wireless communication module (300). The processing unit (201) is adapted to receive a wakeup signal via said wireless communication module (300); send a request for unlocking said electro mechanical door lock (202) and opening said door; in response to receiving an unlock confirmation message, actuate said electro mechanical door lock (202) such that it opens said door; recognize closing of said door and locking said electro mechanical door lock (202) and in response sending a door closed and door lock locked confirmation message. A method for handling the secure locker box comprises receiving the confirmation message by a remote locker center (400) and writing a confirmation to a blockchain to ensure authenticity.
Ključne besede: user interfaces
Objavljeno v DKUM: 12.10.2023; Ogledov: 342; Prenosov: 6
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Intelligent user interfaces and their evaluation: a systematic mapping study
Saša Brdnik, Tjaša Heričko, Boštjan Šumak, 2022, izvirni znanstveni članek

Opis: Intelligent user interfaces (IUI) are driven by the goal of improvement in human–computer interaction (HCI), mainly improving user interfaces’ user experience (UX) or usability with the help of artificial intelligence. The main goal of this study is to find, assess, and synthesize existing state-of-the-art work in the field of IUI with an additional focus on the evaluation of IUI. This study analyzed 211 studies published in the field between 2012 and 2022. Studies are most frequently tied to HCI and SE domains. Definitions of IUI were observed, showing that adaptation, representation, and intelligence are key characteristics associated with IUIs, whereas adaptation, reasoning, and representation are the most commonly used verbs in their description. Evaluation of IUI is mainly conducted with experiments and questionnaires, though usability and UX are not considered together in evaluations. Most evaluations (81% of studies) reported partial or complete improvement in usability or UX. A shortage of evaluation tools, methods, and metrics, tailored for IUI, is noticed. Most often, empirical data collection methods and data sources in IUI evaluation studies are experiment, prototype development, and questionnaire.
Ključne besede: intelligent user interfaces, IUI, usability, user experience, evaluation
Objavljeno v DKUM: 01.08.2023; Ogledov: 422; Prenosov: 36
.pdf Celotno besedilo (4,53 MB)
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Analysis of two diverse nursing records applications : mixed methods approach
Marija Milavec Kapun, Vladislav Rajkovič, Uroš Rajkovič, 2022, izvirni znanstveni članek

Opis: Introduction: Poor adoption of electronic health records among healthcare workers can diminish their impact. Healthcare informatics solutions development should diligently acknowledge end-user needs.This study compares a user experience and perceived quality of the nursing process integration in two different applications for electronic documentation of the nursing care plan. Both applications were designed and tested in Slovenia. Methods: In the first phase, final year undergraduate nursing students were recruited (n=73) and randomly assigned into two groups. Each group used one of the applications for a duration of five hours. A survey among students was conducted. In the second phase, additional students were recruited (n=40) and invited to participate in qualitative analysis of the unfavourably rated application. Results: The modern, visually improved application was favourably rated by students in terms of all aspects of application usability. However, students reported a significant number of inadequacies regarding the nursing process methodology integration. On the contrary, the students using the poorly rated and visually outdated application reported no such concerns. Qualitative analysis of student reflections identified additional positive features of software design that were not detected in survey results analysis. Conclusion: This study showed that a user-centred approach can be used to compare diverse electronic solutions. Detected discrepancies in findings using qualitative and quantitative analysis show the importance of integrating diverse research approaches for adequate evaluation of software solutions. Furthermore, this study design promotes empowerment of healthcare workers to participate in the development and critical evaluations of software solutions.
Ključne besede: nursing process, information technology, documentation, user experience, quantitative/ qualitative approach
Objavljeno v DKUM: 12.07.2023; Ogledov: 367; Prenosov: 25
.pdf Celotno besedilo (484,28 KB)
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User Experience of Croatian National & Nature Parks’ Website – A Comparison : a comparison
Mihaela Franjić, 2022, magistrsko delo

Opis: We are not saying that tourism is a dynamic area for no reason, as the COVID–19 pandemic has shown us. Tourism is influenced by many external factors, and one of them is the development of digital technology, which must be monitored in parallel. We are currently in a historical period that is characterized by the fact that without the Internet there is no expansion into other markets. Digital technology covers all pores and activities of modern society, enables new ways for sales, development, distribution in the tourist market, which is full of opportunities and obstacles. Websites have evolved largely because they help, especially small and medium–sized organizations reduce costs, time, and help them market and present themselves to users. In this paper, we will deal with Croatian national and natural parks, which are a national treasure of exceptional importance for Croatian tourism, and which annually attract around 3.5 million tourists. For the first time, in 2017, the parks of Croatia integrated all the parks on one website through the PARCS project, as a basis for better informing users and promoting the parks as a brand on the tourist market. Precisely for this reason, we are interested in how users view the website www.parkovihrvatske.hr, since the appearance of the site has not been renewed since 2017. It is extremely important to know the opinion of potential users, because more than half of the time they plan and book their trip via the Internet with the help of a computer. This is one more reason to check the current situation and opinion of foreign and domestic citizens. The research enabled us to compare respondents, connect expectations and evaluations, and at the end provide an additional opinion of the respondents. In order to improve and improve the user experience according to the respondents, the website should work on its design, security, include all park offers together with tickets and update its information. Based on the analysis, we will try to present guidelines for upgrading the website if they want to be trendy, competitive and expand into the tourist market overwhelmed by digital transformation.
Ključne besede: Digital Tourism, Digital Transformation, User Interface, User Experience, Croatian National and Natural parks
Objavljeno v DKUM: 24.10.2022; Ogledov: 678; Prenosov: 114
.pdf Celotno besedilo (3,09 MB)

AI for optimizing analog RF parameters on NFC frontends : magistrsko delo
Matej Žnidarič, 2022, magistrsko delo

Opis: In this Master’s thesis, we study in detail NFC technology, NFC standardization, Artificial intelligence and GUI topics.Our goal is to optimize the measurement process of the FeliCa listener phase window in order to define the best analog parameters for the NFC IC. Namely, by combining machine learning and test automation, we want to achieve a faster validation time of the NFC IC under test. Firstly, we introduce the main topics related to NFC and present the thesis alongside specific goals. Next, we present the NFC technology on a fewuse cases. We also cover international standards, emphasizing sections that directly affect our validation and, therefore, the understanding of our solution. The NFC coverage is described alongside data representation used to interpret data used in proprietary software. Artificial intelligence is integrated into this software for multidimensional data interpolation task. We also cover the basics of deep neural networks and the most common architectures used in the DL field. The neural network training process is also covered to understand how we can optimize neural network global minimum convergence. In the last part of the thesis, we also explain how proprietary software tool actually works and how it can outperform previous processes. In the end, specific solutions related to the tool are described in more detail to understand our software development decisions better. Finally, we present measurement results and evaluate our goals.
Ključne besede: NFC wireless communication, artificial intelligence, test coverage, FeliCa, graphical user interface, analog parameter extraction
Objavljeno v DKUM: 08.06.2022; Ogledov: 1021; Prenosov: 0

Uporabniška vsebina kot orodje marketinških odnosov z javnostmi na spletu : magistrsko delo
Jakob Šuster, 2019, magistrsko delo

Opis: Magistrska naloga preučuje uporabniško vsebino na YouTube-u z vidika marketinških odnosov z javnostmi. Ugotovili smo, da video blog ali vlog, kot izrazit primer te vsebine, omogoča blagovnim znamkam in podjetjem številne priložnosti za oblikovanje mnenj njihovih ciljnih skupin. Izjemna gledanost in priljubljenost ustvarjalcev vlogov, t.i. vlogerjev, predstavljata njihovo izhodišče moči vplivanja. Plasiranje taktično usmerjenih sporočil skozi vloge je tako postalo del vsake gledalčeve izkušnje na YouTube-u, kar smo dokazali z analizo umeščanja izdelkov. Hkrati nas je zanimalo, ali obstaja podobnost v načinu ustvarjanja tovrstne vsebine in umeščanja izdelkov pri različnih vlogerjih. Odgovore in spoznanja na to smo našli v široki paleti preučenih sorodnih študij, ki smo jih povezali v splošen komunikacijski model vlogerja. Gre tudi za najpomembnejši rezultat našega raziskovanja, saj predstavlja osnovo za analizo vsakega vlogerja.
Ključne besede: družbeni mediji, marketinški odnosi z javnostmi, marketing, uporabniška vsebina, user-generated-content, YouTube, vlog, vloger, umeščanje izdelkov
Objavljeno v DKUM: 21.11.2019; Ogledov: 1402; Prenosov: 126
.pdf Celotno besedilo (4,72 MB)

Trends that will shape the professions of the future information society
Alenka Stanič, Tanja Urbančič, 2009, izvirni znanstveni članek

Opis: In this paper we discuss the trends in present society that will have the most important influence in shaping future jobs, with an emphasis on issues related to sustainable development and an information society. We point out that based on the requirements of educated end-users, companies will have to follow the principles of sustainable development and social responsibility. In future, due to technical development, natural resources, environmental issues and demographical trends in the developed western world, the most attractive jobs will be in high technology, health and medical care, as well as the pleasure and free time industry. The most important sectors will be informatics and telecommunication, logistics, safety, healthcare and life-long education.
Ključne besede: information society, knowledge management, end-user, sustainable development, socially responsible companies, jobs of the future
Objavljeno v DKUM: 22.01.2018; Ogledov: 1251; Prenosov: 352
.pdf Celotno besedilo (166,80 KB)
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Vpliv uporabnika na spletno marketinško platformo
Slavica Šuman, 2017, magistrsko delo

Opis: As a part of the Master thesis, we wanted to improve user experience, user interface and usability of Forsikringsportalen platform. Based on literature review and case studies conducted from the same or similar area of research, we redesigned certain elements of the platform. The performance of the redesigned elements was measured with Preference and Question tests as well as gathering of statistical data. With gathered results, we formed a conclusion that will help the company to engage users more. With the implemented improvements and increased percentage of first-time logins, the company can focus on the engagement after the login.
Ključne besede: Forsikringsportalen, usability, user experience, user interface, online platform
Objavljeno v DKUM: 06.10.2017; Ogledov: 1620; Prenosov: 41
.pdf Celotno besedilo (3,87 MB)

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