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Visar resultat 1 - 5 av 577 avhandlingar som matchar ovanstående sökkriterier.

1. 1. Analysis of Attacks on Controlled Stochastic Systems

   Författare :Alessio Russo; Alexandre Proutiere; György Dán; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; reinforcement learning; markov decision process; attack; detection; data poisoning; online learning; Datalogi; Computer Science; Electrical Engineering; Elektro- och systemteknik;

   Sammanfattning : In this thesis, we investigate attack vectors against Markov decision processes anddynamical systems. This work is motivated by the recent interest in the researchcommunity towards making Machine Learning models safer to malicious attacks. LÄS MER

3. 2. On Adapting Data Collection to Intrusion Detection

   Författare :Ulf Larson; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; attack manifestation; data reduction; in-vehicle network; attack analysis; adaptation; intrusion detection; computer security; data collection; forensic investigation;

   Sammanfattning : Intrusion detection systems (IDSs) are capable of detecting both suspicious insider activity and attacks from external penetrators. They can also detect both known and previously unknown attacks. These capabilities make them valuableassets in the protection of computer systems and networks. LÄS MER

4. 3. (Photo)electrochemical Water Oxidation: From Catalysis to Functional Device

   Författare :Hao Yang; Licheng Sun; Marc Koper; KTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; artificial photosynthesis; solar fuels; water oxidation; nucleophilic attack; conjugated microporous polymer; host-guest chemistry; photoanode; perovskites; artificiell fotosyntes; solbränslen; vattenoxidation; nukleofil attack; konjugerad mikroporös polymer; värd-gästkemi; fotoanoder; perovskiter; Kemi; Chemistry;

   Sammanfattning : The key challenge within artificial photosynthesis is achieving efficient electro- or photo-driven water oxidation catalysis, a necessary process to supply the protons for the reduction reactions, thereby enabling solar fuel production. To facilitate efficient water (photo)electrolysis for solar fuel production, this thesis focuses on two aspects: 1) elucidating the O-O bond formation mechanism and developing efficient, stable, and economical water oxidation catalysts (WOCs); 2) exploring stable, low-cost, light-absorbing photoanode materials that have suitable band structures and excellent charge diffusion properties. LÄS MER

5. 4. Never Heard Before: A Musical Exploration of Organ Voicing

   Författare :João Segurado; Göteborgs universitet; []
   Nyckelord :HUMANIORA; HUMANITIES; voicing; voicing; sound; listening; pipe; organ; tone; musical composition; musical performance; experimental; collaboration; artistic research; ethnography; musique concrète; transient; attack; steady-state; ; harmonic spectrum; languid; toe-hole; mouth; flue; reed; Studio Acusticum; Gerald Woehl; Piteå;

   Sammanfattning : This study describes the role of organ sounds in musical performance and exa- mines the visions and artistic perspectives of the voicer, who creates the sounds, and the organist, who uses them in performance. Organ pipe sounds are shaped in a process of gradual transformation called voicing, to suit the practice of musical performance, and they influence that practice in significant ways. LÄS MER

7. 5. Attack Resilient Cloud-based Industrial Control Systems

   Författare :Fatemeh Akbarian; Bredbandskommunikation; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

   Sammanfattning : Industrial control systems (ICSs) are a significant part of industry and they play an important role in monitoring and controlling industrial processes. Traditionally, ICSs have been isolated from the Internet, and thereby secured from various Internet-based security threats. LÄS MER