Sökning: "Long Tail"

Visar resultat 1 - 5 av 59 uppsatser innehållade orden Long Tail.

  1. 1. Longtail-fenomenet i svenskdagligvaruhandel : En kvantitativ studie av försäljningskoncentrationen i den svenska dagligvaruhandelns e-handel jämfört med fysisk handel.

    Kandidat-uppsats, Linnéuniversitetet/Institutionen för marknadsföring och turismvetenskap (MTS)

    Författare :Martin Amrén; Albin Nilsson; [2023]
    Nyckelord :Long tail; Pareto; superstars; grocery; e-commerce; omni-channel; multi-channel; sales concentration; Longtail; pareto; superstars; dagligvaror; e-handel; omni-channel; multi-channel; försäljningskoncentration;

    Sammanfattning : Bakgrund: Med digital utveckling ökar användandet av digitala kanaler för att köpa produkter. Utvecklingen sätter ökad press på handeln att utveckla sitt digitala erbjudande. Problemformulering: Förutsättningarna att driva handel skiljer sig åt online jämfört med offline, sett både ur perspektiv från återförsäljare och köpare. LÄS MER

  3. 2. Enhancing Neural Network Accuracy on Long-Tailed Datasets through Curriculum Learning and Data Sorting

    Master-uppsats, KTH/Matematik (Avd.)

    Författare :Daniel Barreira; [2023]
    Nyckelord :Machine Learning; Neural Network; CORAL-framework; Long-Tailed Data; Imbalance Metrics; Teacher-Student models; Curriculum Learning; Training Scheme; Maskininlärning; Neuralt Nätverk; CORAL-ramverk; Long-Tailed Data; Imbalance Metrics; Teacher-Student modeler; Curriculum Learning; Tränings- scheman;

    Sammanfattning : In this paper, a study is conducted to investigate the use of Curriculum Learning as an approach to address accuracy issues in a neural network caused by training on a Long-Tailed dataset. The thesis problem is presented by a Swedish e-commerce company. LÄS MER

  4. 3. Heat recovery from low emission steel production through electrolysis and hydrogen reduction

    Master-uppsats, Lunds universitet/Institutionen för energivetenskaper

    Författare :Sofia Kongshöj; [2023]
    Nyckelord :Electrolysis; H2 Green Steel H2GS ; waste heat recovery; district heating.; Earth and Environmental Sciences;

    Sammanfattning : The steel industry is a large emitter of carbon dioxide and uses a lot of energy. Because of an increased awareness of the detrimental effects of climate change, research in alternative ways to operate steel plants have been made. It is now possible to build plants with far less emissions by using electrolysis and hydrogen reduction. LÄS MER

  5. 4. Driving Changes Through Podcasting : an Analysis on the Use of Podcasting by French Activists

    Master-uppsats, Malmö universitet/Institutionen för konst, kultur och kommunikation (K3)

    Författare :Tanguy Le Meur; [2022]
    Nyckelord :Podcasting; Activism; France; Niche-Communities; Echo-Chambers; Affordance; Capital Theory; Participatory Culture; Semi-Structured Interviews; Autoethnography; Active Listening;

    Sammanfattning : Through discontinuous growth and its use in multiple sectors the podcasting established itself as a medium to be reckoned with in the future. Recently, the mainstream scene of French podcasting has seen, among its usual professionally produced shows, the presence of a few podcasts involving a clear and subjective message of activism. LÄS MER

  7. 5. Backtesting Expected Shortfall : A qualitative study for central counterparty clearing

    Uppsats för yrkesexamina på avancerad nivå, Umeå universitet/Institutionen för matematik och matematisk statistik

    Författare :Emil Berglund; Albin Markgren; [2022]
    Nyckelord :Expected Shortfall; Value-at-Risk; Initial Margin; Backtesting; Central Counterparty Clearing;

    Sammanfattning : Within Central Counterparty Clearing, the Clearing House collects Initial Margin from its Clearing Members. The Initial Margin can be calculated in many ways, one of which is by applying the commonly used risk measure Value-at-Risk. However, Value-at-Risk has one major flaw, namely its inability to encapsulate Tail Risk. LÄS MER