Essays about: "Knowledge Discovery from Data"

Showing result 1 - 5 of 42 essays containing the words Knowledge Discovery from Data.

  1. 1. Decay Chains of Fast Alpha Emitters in the Actinide Region

    University essay from Lunds universitet/Fysiska institutionen; Lunds universitet/Partikel- och kärnfysik

    Author : Tanvir Sayed; [2024]
    Keywords : alpha decay; alpha emissions; fine structure; decay chain; decay scheme; alpha spectrometry; actinide; nucleus; nuclear structure; nuclear states; energy levels; uranium isotopes; U310 experiment; parasitic runs; decay station; TASISpec ; moving window deconvolution; digitisers; alpha-gamma coincidence; 221-Th decay; fine structure of alpha decay to 217-Ra; GSI; Gamow s theory; Geiger-Nuttall; chain search; short half-lives; Physics and Astronomy;

    Abstract : With the advent of increasingly advanced spectroscopic instruments after the turn of the century, it has become accessible to unravel the structure of instantly ‘vanishing’ nuclei, with lifetimes as short as 1 μs, and responsible for pile-up events in analog electronics. Experimental data has been recorded by the Nuclear Structure Group at Lund University for 48Ca/50Ti + nat. READ MORE

  3. 2. Using Machine Learning to Optimize Near-Earth Object Sighting Data at the Golden Ears Observatory

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

    Author : Laura Murphy; [2023]
    Keywords : Near-Earth Object Detection; Machine Learning; Deep Learning; Visual Transformers;

    Abstract : This research project focuses on improving Near-Earth Object (NEO) detection using advanced machine learning techniques, particularly Vision Transformers (ViTs). The study addresses challenges such as noise, limited data, and class imbalance. READ MORE

  4. 3. Exploring information security culture within Swedish municipalities : A qualitative study

    University essay from Högskolan i Skövde/Institutionen för informationsteknologi

    Author : Haydar Ameri; [2023]
    Keywords : Municipality; security awareness; security culture; information security; cybersecurity;

    Abstract : The human aspect in the context of security has been a well-debated topic over the last two decades among researchers and practitioners. It has been recognized that technology alone cannot provide full protection, but should be combined with information security culture. READ MORE

  5. 4. Neural Networks for Predictive Maintenance on Highly Imbalanced Industrial Data

    University essay from Stockholms universitet/Institutionen för data- och systemvetenskap

    Author : Oscar Montilla Tabares; [2023]
    Keywords : Class Imbalance; Cost Sensitivity; Cost-Sensitive Learning; Focal Loss; Binary Classification; Machine Learning; Deep Learning;

    Abstract : Preventive maintenance plays a vital role in optimizing industrial operations. However, detecting equipment needing such maintenance using available data can be particularly challenging due to the class imbalance prevalent in real-world applications. READ MORE

  6. 5. From Growth to Profitability. A multiple case study on business model innovation among tech startups to meet changed investor preferences during an economic downturn.

    University essay from Handelshögskolan i Stockholm/Institutionen för företagande och ledning

    Author : Klas Andersson; Marcus Josefsson; [2023]
    Keywords : Business Model Innovation; Dynamic Capabilities; Investor Preferences; Profitability; Tech Startups;

    Abstract : Investors are fundamental stakeholders for most companies, particularly tech startups, as they often depend on external financing. With an economic downturn and increased interest rates during 2022, tech startups were significantly impacted by the dramatic shift in investor preferences from growth to profitability. READ MORE