Essays about: "catastrophe"

Showing result 1 - 5 of 48 essays containing the word catastrophe.

  1. 1. AI Safe Exploration: Reinforced learning with a blocker in unsafe environments

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

    Author : Marco Koivisto; Philip Crockett; Axel Spångberg; [2019-11-12]
    Keywords : Artificial Intelligence; Reinforcement learning; Safe exploration; Blocker; Machine Learning; Baby AI Game; Gym Mini Grid;

    Abstract : Artificial intelligence can be trained with a trial anderror based approach. In an environment where a catastrophecan not be accepted a human overseer can be used, but thismight lower the efficiency of the learning. READ MORE

  2. 2. Towards a Societal Transformation - a qualitative study of grassroots innovations within waste management in Zanzibar

    University essay from Göteborgs universitet/Graduate School

    Author : Victoria Rice; Johan Knape; [2019-07-09]
    Keywords : Grassroots innovations; evolution and development of grassroots innovations; social innovation; challenges and constraints of grassroots innovations; sustainability; waste management; scaling;

    Abstract : The issue of waste is an increasing global problem, affecting people, animals and ecosystems. Zanzibar has experienced a dramatic increase of incoming tourists, with a growing waste problem as a result. READ MORE

  3. 3. Resilience from within or without? : An ethnographic study of resilience mechanisms in southern Colombia

    University essay from Linnéuniversitetet/Institutionen för samhällsstudier (SS)

    Author : Amanda Amigues; [2019]
    Keywords : Resilience; recovery processes; peacebuilding; post-conflict; post-disaster reconstruction; Colombia;

    Abstract : The emergence of resilience in the peacebuilding field shows an important change of paradigm and turn to the local context. So far few ethnographic research has been done to understand how resilience works locally and what are the mechanisms helping individuals to cope and recover from a crisis. READ MORE

  4. 4. Characterization of Sealing Surface for Static Seals

    University essay from KTH/Skolan för industriell teknik och management (ITM); KTH/Skolan för industriell teknik och management (ITM)

    Author : Anandu Raja Mohan; Niranjan Sutar; [2019]
    Keywords : Ladder frame gasket; surface roughness parameters;

    Abstract : Leakages from seals are one of the important factors that are taken into consideration while designing any machining element. This is because leakages can affect the performance of any component and can also turn into a catastrophe. READ MORE

  5. 5. Portfolio Optimization with Catastrophe Bonds

    University essay from Handelshögskolan i Stockholm/Institutionen för finansiell ekonomi

    Author : Tianfang Zhang; [2019]
    Keywords : Catastrophe bonds; Poisson processes; Portfolio theory; Value-at-risk; Conditional value-at-risk;

    Abstract : This thesis investigates properties of the returns of catastrophe bonds and their risk diversification potential in portfolios. Ideas from existing literature, such as modeling the evolution of the outstanding principal as a compound Poisson process, are extended to take into account the times of occurrence of the loss events, which are important for the returns of catastrophe bonds with certain types of payment structure. READ MORE