Sökning: "Jan E Persson"

Visar resultat 1 - 5 av 14 avhandlingar innehållade orden Jan E Persson.

  1. 1. Kundupplevd kvalitet i tjänsteverksamheter: En analys och kritik av den företagsekonomiska dialogen

    Författare :Jan E Persson; Institutionen för tjänstevetenskap; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; economic theory; econometrics; Economics; Marknadsanalys; Market study; Reason; Meaning; Dialogue; Interaction; Perception; Expectation; Service Quality; Satisfaction; economic systems; economic policy; Nationalekonomi; ekonometri; ekonomisk teori; ekonomiska system; ekonomisk politik;

    Sammanfattning : The contemporary discussion about how to define and measure the quality of services is dominated by a subjective perspective and quality is usually grounded in the customers perception. This conceptualisation of quality (perceived service quality) is well established in business and research. LÄS MER

  3. 2. Algorithmic and Ethical Aspects of Recommender Systems in e-Commerce

    Författare :Dimitris Paraschakis; Jan Persson; Malmö universitet; []
    Nyckelord :recommender systems; e-commerce; recommendation ethics; collaborative filtering; thompson sampling; multi-arm bandits; reinforcement learning;

    Sammanfattning : Recommender systems have become an integral part of virtually every e-commerce application on the web. These systems enable users to quickly discover relevant products, at the same time increasing business value. Over the past decades, recommender systems have been modeled using numerous machine learning techniques. LÄS MER

  4. 3. Stream monitoring using near-infrared spectroscopy of epilithic material

    Författare :Jan Persson; Ingemar Renberg; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Streams; environmental monitoring; Water Framework Directive; water quality; biological impact; epilithic material; near-infrared spectroscopy; diatoms; Earth sciences; Geovetenskap;

    Sammanfattning : The European Union Water Framework Directive (WFD), with initiatives to manage surface water resources, has increased the need for fast and inexpensive methods for monitoring conditions in streams. The objective of this thesis is to assess the potential of near-infrared spectroscopy (NIRS) of epilithic material to become such method. LÄS MER

  5. 4. Methods for availability improvements of a scaling machine system

    Författare :Andi Rahadiyan Wijaya; Jan-Gunnar Persson; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Drift och underhållsteknik; Operation and Maintenance;

    Sammanfattning : Scaling is the process of cleaning loose material from the roof, face and wall of the mine room in underground mining. The purpose of scaling is to make the mine room safe for the next operation. Due to the nature of the task, scaling has been identified as an operation with a high number of accident occurrences. LÄS MER

  7. 5. Interactive Online Machine Learning

    Författare :Agnes Tegen; Paul Davidsson; Jan A. Persson; Georg Krempl; Malmö universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Interactive Machine Learning; Active Learning; Machine Teaching; Online Learning;

    Sammanfattning : With the Internet of Things paradigm, the data generated by the rapidly increasing number of connected devices lead to new possibilities, such as using machine learning for activity recognition in smart environments. However, it also introduces several challenges. The sensors of different devices might be mobile and of different types, i.e. LÄS MER