Sökning: "evaluation of online sources"

Visar resultat 1 - 5 av 29 uppsatser innehållade orden evaluation of online sources.

  1. 1. An Empirical Survey of Bandits in an Industrial Recommender System Setting

    Master-uppsats, Göteborgs universitet/Institutionen för data- och informationsteknik

    Författare :Tobias Schwarz; Johan Brandby; [2023-09-21]
    Nyckelord :computer science; industrial application; machine learning; reinforcement learning; multi-armed bandits; MAB; contextual multi-armed bandits; survey; batch learning;

    Sammanfattning : In this thesis, the effects of incorporating unstructured data—images in the wild—in contextual multi-armed bandits are investigated, when used within a recommender system setting, which focuses on picture-based content suggestion. The idea is to employ image features, extracted by a pre-trained convolutional neural network, and study the resulting bandit behaviors when including respective excluding this information in the typical context creation, which normally relies on structured data sources—such as metadata. LÄS MER

  3. 2. KÖN SOM STRAFFSKÄRPNINGSGRUND – Bör kön som motiv till en brottslig gärning föranleda ett hårdare straff?

    Uppsats för yrkesexamina på avancerad nivå, Karlstads universitet/Handelshögskolan (from 2013)

    Författare :Martin Rudolfsson; [2023]
    Nyckelord :gender; gender-based act; motive; penalty value; aggravating circumstance; protected ground; hate crime; kön; könsrelaterad gärning; motiv; straffvärde; försvårande omständighet; straffskärpningsgrund; hatbrott;

    Sammanfattning : The increased digitalisation has resulted in a large portion of the population being connected in a digital environment and engaging with each other on digital platforms. A certain type of problem that has been addressed involves women being targeted by online abuse, because they are seen as group members that represent their gender and characteristics related to gender. LÄS MER

  4. 3. An Ontological Representation for the Real-Time Evaluation of Vaccine Coverage, Safety, and Effectiveness

    Master-uppsats, Linköpings universitet/Institutionen för datavetenskap

    Författare :Elise Lång; [2023]
    Nyckelord :Ontology; Vaccine evaluation; FAIR principles; Ontology evaluation;

    Sammanfattning : Data used when studying vaccination programs and vaccine evaluations are collectedfrom multiple, and constantly changing data sources. These data sources are often isolateddata silos, that are hard for researchers and public health organizations to connect, andthus hinders when researchers and public health organizations are conducting these studies. LÄS MER

  5. 4. Estimating the Impact of Website Changes on Conversion Rates

    Magister-uppsats, Lunds universitet/Nationalekonomiska institutionen; Lunds universitet/Statistiska institutionen

    Författare :Jan Jarco; [2023]
    Nyckelord :website design; causal inference; observational study; average treatment effects; double machine learning; Business and Economics;

    Sammanfattning : This study sought to evaluate the historical impact of changes to an ordering page of an online travel agency on its conversion rates. Data gathered from the website over a year, detailing aspects such as travel dates, prices, itineraries, number of passengers, travel time, and carriers, was analyzed. LÄS MER

  7. 5. Sociala mediers påverkan på köpbeslut bland konsumenter i åldern 40-60 år

    Kandidat-uppsats, Södertörns högskola/Företagsekonomi

    Författare :Andy Garcia; Isra Hallak; [2023]
    Nyckelord :Purchase decision process; electronic word of mouth; social media; generation X; Köpbeslutprocessen; elektronisk word of mouth; sociala medier; generation X;

    Sammanfattning : Purpose: The purpose of the study is to gain a deeper understanding of how Generation X perceive that their purchase decisions are influenced by their use of social media. Method: The study is based on a qualitative research strategy. A semi structured interview was applied. LÄS MER