Search results for "sointi"
showing 10 items of 345 documents
Can visualization alleviate dichotomous thinking? Effects of visual representations on the cliff effect
2021
Common reporting styles for statistical results in scientific articles, such as $p$ p -values and confidence intervals (CI), have been reported to be prone to dichotomous interpretations, especially with respect to the null hypothesis significance testing framework. For example when the $p$ p -value is small enough or the CIs of the mean effects of a studied drug and a placebo are not overlapping, scientists tend to claim significant differences while often disregarding the magnitudes and absolute differences in the effect sizes. This type of reasoning has been shown to be potentially harmful to science. Techniques relying on the visual estimation of the strength of evidence have been recom…
A Feature Rich Distance-Based Many-Objective Visualisable Test Problem Generator
2019
In optimiser analysis and design it is informative to visualise how a search point/population moves through the design space over time. Visualisable distance-based many-objective optimisation problems have been developed whose design space is in two-dimensions with arbitrarily many objective dimensions. Previous work has shown how disconnected Pareto sets may be formed, how problems can be projected to and from arbitrarily many design dimensions, and how dominance resistant regions of design space may be defined. Most recently, a test suite has been proposed using distances to lines rather than points. However, active use of visualisable problems has been limited. This may be because the ty…
H-KPP : Hypervisor-Assisted Kernel Patch Protection
2022
We present H-KPP, hypervisor-based protection for kernel code and data structures. H-KPP prevents the execution of unauthorized code in kernel mode. In addition, H-KPP protects certain object fields from malicious modifications. H-KPP can protect modern kernels equipped with BPF facilities and loadable kernel modules. H-KPP does not require modifying or recompiling the kernel. Unlike many other systems, H-KPP is based on a thin hypervisor and includes a novel SLAT switching mechanism, which allows H-KPP to achieve very low (≈6%) performance overhead compared to baseline Linux.
Reputation-Based Blockchain for Spatial Crowdsourcing in Vehicular Networks
2022
The sharing of high-quality traffic information plays a crucial role in enhancing the driving experience and safety performance for vehicular networks, especially in the development of electric vehicles (EVs). The crowdsourcing-based real-time navigation of charging piles is characterized by low delay and high accuracy. However, due to the lack of an effective incentive mechanism and the resource-consuming bottleneck of sharing real-time road conditions, methods to recruit or motivate more EVs to provide high-quality information gathering has attracted considerable interest. In this paper, we first introduce a blockchain platform, where EVs act as the blockchain nodes, and a reputation-base…
Nanovised Control Flow Attestation
2022
This paper presents an improvement of control flow attestation (C-FLAT) for Linux. C-FLAT is a control attestation system for embedded devices. It was implemented as a software executing in ARM’s TrustZone on bare-metal devices. We extend the design and implementation of C-FLAT through the use of a type 2 Nanovisor in the Linux operating system. We call our improved system “C-FLAT Linux”. Compared to the original C-FLAT, C-FLAT Linux reduces processing overheads and is able to detect the SlowLoris attack. We describe the architecture of C-FLAT Linux and provide extensive measurements of its performance in benchmarks and real-world scenarios. In addition, we demonstrate the…
HyperIO: A Hypervisor-Based Framework for Secure IO
2023
Malware often attempts to steal input and output through human interface devices to obtain confidential information. We propose to use a thin hypervisor, called “HyperIO”, to realize a secure path between input and output devices using a partial implementation of device drivers. We apply our approach using two security systems built on HyperIO: FireSafe and ClipCrypt. FireSafe is a web browser extension which allows a remote web server to display and receive sensitive user information securely. ClipCrypt enables the user to securely enter and view their confidential information in commodity Windows applications.
Qualitative study about group music therapy experience of young musicians dealing with music performance anxiety
2015
Few studies have looked or presented the meaning of music performance anxiety from the viewpoint of young musician´s. Whereas most of the studies conducted were quantitative, this study used qualitative approach of phenomenology. The aim of this study was to investigate the experience of young musicians dealing with higher amount of music performance anxiety in clinical music therapy group. The study addressed questions about the role of the group, shared experiences in music and the role of free discussions in therapy. Free-flow musical improvisation was the most frequently used clinical technique. Five young musicians took part of 12-weekly group therapy sessions during 5 month period. Ba…
Toxicity of silver nanoparticles to Lumbriculus variegatus is a function of dissolved silver and promoted by low sediment pH
2017
Toxicity of silver nanoparticles (AgNPs) to benthic organisms is a major concern. The use of AgNPs in industry and consumer products leads to increasing release of AgNPs into the aquatic environment-sediments being the major sink. Effects of sediment pH on the toxicity of AgNPs to benthic oligochaeta Lumbriculus variegatus were studied in a 23-d toxicity test. Artificially prepared sediments (pH 5 and 7) were spiked with varying concentrations of uncoated AgNP, polyvinylpyrrolidone (PVP)-coated AgNP, and silver nitrate (AgNO3 ) as dissolved Ag reference. Number of individuals and biomass change were used as endpoints for the toxicity. The toxic effects were related to the bioaccessible conc…
Urheilujournalismi vallan vahtikoirana? : tapauskohtaisessa tarkastelussa huippu-urheilun muutostyötä käsittelevä uutisointi suomalaisissa sanomalehd…
2018
Artikkelin tutkimuskohteena on suomalaisen sanomalehdistön uutisointi vuosina 2010–2012 tehdystä huippu-urheilun muutostyöstä, jota opetus- ja kulttuuriministeriö rahoitti 2,6 miljoonalla eurolla. Tutkimuksen tavoitteena on selvittää, millainen vallan vahtikoira urheilujournalismi on. Tutkimusaineisto koostuu levikiltään kolmen Suomen suurimman päivälehden (Aamulehti, Helsingin Sanomat ja Turun Sanomat) ja maan molempien iltapäivälehtien (Iltalehti ja Ilta-Sanomat) kaikesta muutostyötä käsittelevästä uutisoinnista lehtien painetuissa versioissa. Tarkasteluajanjakso on rajattu Huippu-urheilun muutosryhmän (HuMu) loppuraportin julkistamista (5.12.2012) seuranneelle puolen vuoden ajalle (6.12.…
Internet on epäreilu, mutta näin uutismedia sinnittelee
2021
Arvio teoksesta: Hindman, Matthew. 2019. Internet-ansa: Kuinka digitaalinen talous synnyttää monopoleja ja rapauttaa demokratiaa. Suomentanut Kimmo Pietiläinen. [Alkuperäisteos: The Internet Trap, How the Digital Economy Builds Monopolies and Undermines Democracy, 2018]. Helsinki: Terra Cognita, 274 s.