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Showing result 1 - 5 of 314 essays matching the above criteria.

  1. 1. Detecting Lithium Brine in Afghanistan Using Spaceborne Hyperspectral Data

    University essay from Göteborgs universitet/Institutionen för geovetenskaper

    Author : Torpikay Azizi; [2023-08-18]
    Keywords : PRISMA Hyperspectral data; lithium mineral deposits; lithium brine-rich deposits; Dashti-e- Nawar; boron deposits; Principal Component Analysis PCA ; supervised and unsupervised classification; spectral matching; spectral profile analysis; visible-near-infrared VNIR ; short-wave infrared SWIR Gypsum; Hectorite; Kaolinite; Lepidolite; lithium carbonate; lithium chloride;

    Abstract : The purpose of this thesis is to utilize hyperspectral remote sensing technology for the identification and evaluation of lithium mineral deposits in Afghanistan. Afghanistan boasts unique geological formations with substantial potential for lithium resources beneath its land crust. READ MORE

  3. 2. Optimising Machine Learning Models for Imbalanced Swedish Text Financial Datasets: A Study on Receipt Classification : Exploring Balancing Methods, Naive Bayes Algorithms, and Performance Tradeoffs

    University essay from Linnéuniversitetet/Institutionen för datavetenskap och medieteknik (DM)

    Author : Li Ang Hu; Long Ma; [2023]
    Keywords : Imbalanced datasets; Swedish text financial datasets; Accuracy; Matthews correlation coefficient; Recall; Multinomial Naive Bayes; SMOTE; TomekLinks; Performance optimization;

    Abstract : This thesis investigates imbalanced Swedish text financial datasets, specifically receipt classification using machine learning models. The study explores the effectiveness of under-sampling and over-sampling methods for Naive Bayes algorithms, collaborating with Fortnox for a controlled experiment. READ MORE

  4. 3. Hardware Subsystem Proposal of an Off-Vehicle Battery Analyzer from a Charging/Discharging Perspective

    University essay from Högskolan Väst/Institutionen för ingenjörsvetenskap

    Author : Rinor Gashi; Tim Johansson; [2023]
    Keywords : battery electric vehicles; power conversion module; off-vehicle battery packs;

    Abstract : Electric Vehicles (EVs) are seen as one of the solutions to some of the world’s global current problems, such as global warming and air pollution, due to non-existent operational emissions and increased efficiency. There are multiple types of EVs, one of them being Battery Electric Vehicles (BEVs) which in most cases utilizes a Li-Ion battery pack as energy storage. READ MORE

  5. 4. Improving land tenure security by increasing access?

    University essay from Lunds universitet/Statsvetenskapliga institutionen

    Author : Freeman Gunnell; [2023]
    Keywords : land tenure security; international institutions; World Bank; legal tenure systems; customary tenure; exclusion; access; policy discourse.; Social Sciences;

    Abstract : Securing access to land around the world is an issue that pervades many development agendas. Often promoted through legal and administrative systems, secure land tenure is used in the battle against poverty and to reduce land based conflict. Conceptualizations of secure tenure tend to differ between international institutions and academia. READ MORE

  6. 5. Digital media use towards relationship initiation in marketing : A qualitative study of Swedish Micro-firms in a B2B context

    University essay from Umeå universitet/Företagsekonomi

    Author : Xian Li; [2023]
    Keywords : Keywords: Digital media; Relationship marketing; Business-to-Business marketing; Trust; Customer relationship initiation;

    Abstract : This thesis aims to explore what and how Swedish micro firms use digital media towards relationship initiation in a Business-to-Business (B2B) context. Digital media has been increasingly studied in marketing over time, but it has been predominated by Business-to- Customer (B2C) context, while the Business-to-Business context lacks attention, micro B2B firms even less in particular. READ MORE