Essays about: "Vidar"

Showing result 1 - 5 of 31 essays containing the word Vidar.

  1. 1. Profit behind bars? : Prison privatization in South Africa

    University essay from Uppsala universitet/Statsvetenskapliga institutionen

    Author : Vidar Österlund; [2023]
    Keywords : prison privatization; private prisons; South Africa; public private partnerships; Global South;

    Abstract : Prison privatization has received notable attention in academic circles, but discussion has focused on the Global North, particularly the United States. On the other hand, little attention has been given to incarceration systems in general or prison privatization in the Global South. READ MORE

  3. 2. Re-ranking search results with KB-BERT

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Bjarki Viðar Kristjánsson; [2022]
    Keywords : Natural language processing; Information retrieval; BERT; KB-BERT; Search evaluation; Naturlig språkbehandling; Informationssökning; BERT; KB-BERT; Sökutvärdering;

    Abstract : This master thesis aims to determine if a Swedish BERT model can improve a BM25 search by re-ranking the top search results. We compared a standard BM25 search algorithm with a more complex algorithm composed of a BM25 search followed by re-ranking the top 10 results by a BERT model. READ MORE

  4. 3. The Value of AI Investments : An Event Study on Abnormalities in Risk and Return following AI Investment Announcements

    University essay from Linnéuniversitetet/Institutionen för ekonomistyrning och logistik (ELO)

    Author : Albin Henriksson; Vidar Nyqvist; [2022]
    Keywords : Artificial Intelligence; Financial markets; AI investments; abnormal returns; abnormal volatility;

    Abstract : Artificial intelligence (AI) is becoming smarter and faster and firms all over the world have entered a race to reap the benefits, investing in AI projects at an increasing rate. The benefits of AI are seemingly plenty and the value of AI in various business processes is often emphasized. READ MORE

  5. 4. Applying Interactive Machine Teaching to Conversational Agents in VR, and Mindbot: a Mindfulness Assistant in VR

    University essay from Umeå universitet/Institutionen för datavetenskap

    Author : Vidar Häggström Fordell; [2022]
    Keywords : Conversational Agents; Virtual Assistants; Virtual Reality; Mindfulness; Interactive machine Teaching;

    Abstract : Conversational agents and virtual reality are two emerging technologies that are increasingly being explored in mental health research. Although the combination of these technologies could provide easily accessible and cost-effective treatment for a wide range of health behaviors, use of this opportunity in healthcare has not yet been undertaken. READ MORE

  6. 5. Evaluating Markov Chain Monte Carlo Methods for Estimating Systemic Risk Measures Using Vine Copulas

    University essay from KTH/Matematisk statistik

    Author : Rasmus Guterstam; Vidar Trojenborg; [2021]
    Keywords : Systemic Risk; Value-at-risk; Risk allocation; Risk contributions; Markov Chain Monte Carlo; No-U-Turn Sampler; Metropolis-Hastings; Monte Carlo; Vine Copula; Systemisk Risk; Value-at-risk; Riskallokering; Riskbidrag; Markov Chain Monte Carlo; No-U-Turn Sampler; Metropolis-Hastings; Monte Carlo; Vine Copula;

    Abstract : This thesis attempts to evaluate the Markov Chain Monte Carlo (MCMC) methods Metropolis-Hastings (MH) and No-U-Turn Sampler (NUTS) to estimate systemic risk measures. The subject of analysis is an equity portfolio provided by a Nordic asset management firm, which is modelled using a vine copula. READ MORE