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Hjärnan i tanke & rörelse November 2008 Denna tidskrift ges ut av Medicinska fakulteten vid Lunds universitet och Universitetssjukhuset i Lund & Universitetssjukhuset MAS vid Region Skåne Aktuellt om Vetenskap & hälsa 2 a k t u el lt o m v e t ensk a p o ch hä l sa • n ov 20 0 8 Frontallobsdemens är en grupp sjukdomar som upp- täcktes i Lund på 1980-talet och som orsakas av sjukliga förändringar i
Gaussian process regression is widely applied in computational science and engineering for surrogate modeling owning to its kernel-based and probabilistic nature. In this work, we propose a Bayesian approach that integrates the variability of input data into the Gaussian process regression for function and partial differential equation approximation. Leveraging two types of observables—noise-corru
Universitetsgemensam satsning för jämställdhet och likabehandling Jimmie Kristensson Ellen Karlsson Dnr STYR 2021/568 2 Innehållsförteckning Innehållsförteckning ................................................................................................... 2 Sammanfattning .......................................................................................................... 3 Inledning ..
Idag säljs annonsplatser på hemsidor i allt större utsträckning via realtidsauktioner. Ofta tar det mindre än 100 millisekunder att auktionera ut en annonsplats från det att en användare besöker en hemsida. För någon som vill köpa annonsplatser innebär en effektiv köpstrategi således användandet av algoritmer; mer specifikt krävs snabba algoritmer. Under de senaste två, tre åren har försök gjorts Real-time bidding is getting increasingly popular for buying and selling online display advertisement. This has spurred a research interest into how to design optimal bidding algorithms, with advances during the last two to three years focusing heavily on reinforcement learning. This thesis focuses on creating bidding agent using recent innovations in combining reinforcement learning and deep lear
This paper describes how focus group interviews were used in a project on developing research support services. The object of the interviews was to understand the everyday lives of researchers and the obstacles they experience in their research process. Advantages and challenges of the method are discussed, e.g. the benefits of the interaction and the free form that the method allows for and the c
This thesis presents a new method for design of PI and PID controllers with the level of control signal activity taken into consideration. The main reason why the D-part is often disabled in industrial control loops is because it leads to control signal sensitivity of measurement noise. A frequently varying control signal with too high amplitude will very likely lead to actuator wear and tear. For
Environmental and process control applications have needs for sensors that operate continuously or repeatedly, making them applicable to batch measurement and flowing product stream measurement. Additionally, for lactose monitoring in dairy-processing plants, the sensors must have sufficient flexibility to handle a wide range of substrate concentration and be resilient to withstand wide pH excursi
Stochastic differential equations (SDEs) are established tools for modeling physical phenomena whose dynamics are affected by random noise. By estimating parameters of an SDE, intrinsic randomness of a system around its drift can be identified and separated from the drift itself. When it is of interest to model dynamics within a given population, i.e. to model simultaneously the performance of sev
This thesis deals with the development of simultaneous saccharification and fermentation (SSF) in order to improve the economy of the softwood-to-ethanol process. The effect of process stream recirculation on ethanol production from steam-pretreated softwood based on SSF was investigated for two process cases. In the first case, part of the stillage stream after distillation was recycled and in th
Background Carrying the cyclin-dependent kinase inhibitor 2A (CDKN2A) germline mutations is associated with a high risk for melanoma. Penetrance of CDKN2A mutations is modified by pigmentation characteristics, nevus phenotypes, and some variants of the melanocortin-1 receptor gene (MC1R), which is known to have a role in the pigmentation process. However, investigation of the associations of both
This thesis is about Y4CA, a youth organization in Korea for climate action. It discusses how non-teenagers support teenage activists for the sustained climate action by considering three factors for social movement: political opportunities, mobilizing structure and framing process by adding collective identity. By using mixed methodology, a survey about behavioral factors of teenagers, in-depth i
When an internet user opens a web page containing an advertising slot, how is it determined which ad is shown? Today, the most common software-based approach to trading advertising slots is real time bidding: as soon as the user begins to load the web page, an auction for the slot is held in real time, and the highest bidder gets to display their advertisement of choice. Auction bidding is perform
Medieevent har möjligheten att föra samman människor, men kan även leda till symboliska kamper mellan olika sociala grupper. Eurovision Song Contest är ett sådant event, där intresset för den europeiska sångtävlingen i sociala medier som Instagram är stort. Eftersom populärkultur och politik är svårt att särskilja i medieinnehåll som marknadsföring, och att fans dessutom kan engagera sig politiskt
Efterfrågan på förnybar energi är stor och samtidigt minskar den biologiska mångfalden i en aldrig tidigare skådad takt, med förlust av arter och livsmiljöer. Havsbaserad vindkraft ger förnybar energi och påverkar samtidigt lokal marin biologisk mångfald – negativt och positivt. Havsbaserade vindkraftsparker bidrar till effekter såsom undervattensbuller, resuspension och pålagring av sediment, förThe demand for renewable energy is extensive while biodiversity is reclining with unprecedented rates of species and habitat loss. Offshore wind power provides renewable energy while also affecting local marine biodiversity – negatively and positively. The offshore wind power plants contribute to effects such as underwater noise, resuspension and settling of sediment, seabed habitat loss, reef eff
A process of a random graph, that grows in a box [0,N]^2 ⊂ R^2 and yields a quadrangulation when it stops growing, is investigated in this work. The random components in this model come from the Poisson distributed number of points, the position of those, and the either horizontal or vertical direction in which lines grow from these points. The model finds inspiration in a cellular automata model
De senaste åren har den svenska juridiken satts under press då gängkriminaliteten i landet blomstrar. Inom det svenska rättssystemet är det särskilt bevisvärderingen som har varit en aspekt som föranlett debatter om huruvida svenska domstolar gör fullgoda värderingar. Av särskilt intresse inom bevisvärderingen är de alternativför- klaringar som presenteras i rätten och därigenom inverkar på domsluIn recent years, Swedish jurisprudence has been subject to ominous pressure parallel to the flourishing of as gang crime. Within the Swedish legal system, the evaluation of evidence has been a particular aspect that has sparked debates on whether Swedish courts make adequate assessments in such cases. Particularly, the evaluation of al- ternative explanations presented in court is of specific inte
Abstract Title: The Future of ABC at Sandvik Tooling – Incorporating ABC with information systems in order to drive business development from a cost point of view. Authors: Jenny Andersson and Camilla Salomonsson. Supervisor: Charlotta Johnsson – Department of Automatic Control, Lund University. Carl-Henric Nilsson – Department of Business Administration, Lund University. Mats Jacobsson – Tooling
Purpose: Contribution to the understanding of defensive routines within the context of Landora Färgindustri. Research question: What are the explanatory factors behind defensive routines facing an individual within the context of their situational environment at Landora. Methodology: Mixed methods with triangulation, deduction, qualitative and quantitative methods are used. Conceptual Framework: T
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