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  1. 1. Quantum Optical Description of High-order Harmonic Generation

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

    Author : Isabel Moreno; [2024]
    Keywords : Physics and Astronomy;

    Abstract : High-order Harmonic Generation (HHG) is a highly non-linear process in which an atom interacts with a strong laser field. The laser field lowers the atomic potential barrier allowing bound electrons to escape into the continuum through tunnel ionization, propagate, and, with some probability, recombine with the parent ion. READ MORE

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

    University essay from Göteborgs universitet/Institutionen för data- och informationsteknik

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

    Abstract : 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. READ MORE

  4. 3. Multilingual Text Robots for Abstract Wikipedia – Using Grammatical Framework to generate multilingual articles on Swedish localities

    University essay from Göteborgs universitet/Institutionen för data- och informationsteknik

    Author : Omar Diriye; Filip Folkesson; Erik NIlsson; Felix NIlsson; William NIlsson; Dylan Osolian; [2023-03-03]
    Keywords : Text robot; Natural Language Generation; Grammatical Framework; Multilingual Natural Language Generation; Abstract Wikipedia; Wikidata;

    Abstract : The vast amount of Wikipedia articles and languages has resulted in a high cost of Wikipedia, i.e. the required time and dedication for making every article available in every language. READ MORE

  5. 4. Integrating Waste Heat from Hydrogen Production Into District Heating

    University essay from Lunds universitet/Institutionen för energivetenskaper

    Author : Fawzi Kayali; [2023]
    Keywords : Hydrogen; Electrolysis; Waste Heat Recovery; Combined Heat and Power Plant; District Heating; Simulation; Sustainable Heating Systems; Technology and Engineering;

    Abstract : The aim of this research is to explore the feasibility of the integration of waste heat from electrolyzers within a Combined Heat and Power (CHP) plant and district heating (DH) network and suggest a practical setup for integration. With the escalating emphasis on the development of green hydrogen through electrolysis powered by renewable energy, a substantial amount of waste heat is generated, typically left unused. READ MORE

  6. 5. Understanding the Relationship between Sustainability and Technology: Perspectives of Young Sustainability Practitioners in For-Profit Organizations

    University essay from Malmö universitet/Institutionen för Urbana Studier (US)

    Author : Anna Pauline Hehl; [2023]
    Keywords : Sociomateriality; Organisational Sustainability; Triple Bottom Line; Techno Optimism;

    Abstract :  One of the most critical issues of our time is sustainability. Simultaneously, techno optimism is prevailing in public discourse suggesting that technology will create a sustainable future without requiring drastic changes. READ MORE