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  1. 1. Control system and simplified timesynchronization for heterogenous IoT systems with medium time requirements

    University essay from KTH/Hälsoinformatik och logistik

    Author : Jemma Touma; Simon Hejdenberg; [2024]
    Keywords : Internet of Things; time synchronization; wireless sensor networks; network time protocol; Android; Bluetooth; WiFi Direct;

    Abstract : The company QTPIE conducts research on drivers and their unconscious reactions when driving. To help, they use smart devices that today must be individually handled at the start and end of a run, and have individually set timestamps, which can lead to differences between the units when data is entered and collation of the units' data after a run. READ MORE

  3. 2. Structural analysis of HZO thin film and electrode using X-ray diffraction

    University essay from Lunds universitet/Synkrotronljusfysik; Lunds universitet/Fysiska institutionen

    Author : Elliot Winsnes; [2024]
    Keywords : HZO; hafnia; hafnium dioxide; zirconium dioxide; ferroelectricity; ferroelectric; synchrotron radiation; X-ray diffraction; Physics and Astronomy;

    Abstract : Since its discovery in 2011, the ferroelectricity of thin films based on HfO2 has been studied intensively. In particular, thin films with a 1:1 ratio of HfO2 and ZrO2 (HZO) has been of great interest. The ferroelectricity arises from a non-centrosymmetric orthorhombic (o) phase of HZO whose prevalence is dependent on the processing conditions. READ MORE

  4. 3. Navigating the Risks of Dark Data : An Investigation into Personal Safety

    University essay from Linnéuniversitetet/Institutionen för informatik (IK)

    Author : Anshu Gautam; [2023]
    Keywords : Dark data; Hidden data; Big data; Unstructured data; Missing data; Privacy; Cybersecurity; Personal data; Data storage; Consumer protection;

    Abstract : With the exponential proliferation of data, there has been a surge in data generation fromdiverse sources, including social media platforms, websites, mobile devices, and sensors.However, not all data is readily visible or accessible to the public, leading to the emergence ofthe concept known as "dark data. READ MORE

  5. 4. Performance analysis: CNN model on smartphones versus on cloud : With focus on accuracy and execution time

    University essay from Linnéuniversitetet/Institutionen för datavetenskap och medieteknik (DM)

    Author : Stegmayr Klas; Johansson Edwin; [2023]
    Keywords : CNN; Deep learning; iOS; Core ML; CIFAR-10;

    Abstract : In the modern digital landscape, mobile devices serve as crucial data generators.Their usage spans from simple communication to various applications such as userbehavior analysis and intelligent applications. However, privacy concerns associatedwith data collection are persistent. READ MORE

  6. 5. Parents’ perceptions about preschool children’s use of mobile devices and experiences at art museums

    University essay from Stockholms universitet/Institutionen för data- och systemvetenskap

    Author : Sooyoun Kim; [2023]
    Keywords : preschool children; mobile devices; tablets; educational apps; child-computer interaction; art museums; museum learning;

    Abstract : The child–environment interaction type, which involves touching and handling part of collections and displays, is less common in art museums. In addition, art museums demand many behavioural rules from their visitors. The adult caregivers, therefore, prefer that their preschool children participate in child-friendly activity programmes. READ MORE