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In the framework of robotics, Reinforcement Learning (RL) deals with the learning of a task by the robot itself. This paper presents a hierarchical planning approach in which the robot learns the optimal behavior for different levels. For high-level discrete actions, Q-learning was chosen, whereas for the low level we utilize Policy Improvement with Path Integrals (PI^2) algorithm to learn the par
The impact of soil metal pollution on plant communities has been studied extensively in the past.However, very little is known about the fungal species that co-occur with these plant communities onmetal polluted soils.We characterized the belowground fungal community in a heavy metal polluted anda non-polluted soil using 454 pyrosequencing. The fungal communities at both study sites were shown toc
Objectives: To analyze the clinicopathological characteristics and prognostic factors associated with survival in patients with central nervous system (CNS) metastases from epithelial ovarian cancer. Methods: Twenty patients with CNS involvement from ovarian carcinoma were evaluated in this retrospective study; their features and survivals were analyzed using Kaplan-Meier and log-rank test methods
Objectives: The aim of this study was to evaluate our experience with patients affected by ovarian carcinosarcoma. Patients and Methods: During a 16-year period, data on 13 patients with ovarian carcinosarcoma were collected. They were obtained from hospital charts and follow-up visits. Survival curves were estimated by the Kaplan-Meier method and compared using the log-rank test. All tests were t
Det här är en avhandling om livsstilsbutiker och de handlare som driver dem. Livsstilsbutiker är affärer där olika produkter och tjänster erbjuds och gestaltas som helhetskoncept, ofta med hjälp av atmosfärskapande estetik. Med syftet att förstå hur livsstil görs till handelsföretagande beskriver och analyserar denna narrativa etnografi berättelser om och från livsstilsbutiker. Med utgångspunkt i This is a dissertation about life style boutiques and the shopkeepers who operate them. Lifestyle boutiques are shops where a variety of goods and services is offered and staged as an overall concept, often targeted to specific groups and tastes with atmosphere-creating aesthetics. Aiming to understand how lifestyle is made into retail enterprising, this narrative ethnography describes and analyse
In this article, we describe a new command, xtbcfe, that performs the iterative bootstrap-based bias correction for the fixed-effects estimator in dynamic panels proposed by Everaert and Pozzi (2007, Journal of Economic Dynamics and Control 31: 1160–1184). We first simplify the core of their algorithm by using the invariance principle and subsequently extend it to allow for unbalanced and higher o
Observational learning has shown to be a successful intervention for writing. Up until now, however, studies have only been performed with normal-hearing participants, usually highschool or university students. Additionally, there have been conflicting results in whether subjective text quality correlates with one or more objectively measured text characteristics. In this study, we measured the ef
Behandlar gipsavgjutningarnas ställning och roll i konstutbildningen och på konstmuseerna från 1700-talet till 1914.
Two novel human papillomaviruses (HPVs), HPV93 and HPV96, with genomes of 7450 and 7438 bp, respectively, are described. The Ll open reading frame of HPV93 showed highest identity to HPV24 (79%) and that of HPV96 had highest identity to HPV92 (71 %). Real-time PCR for HPV92, 93 and 96 on stripped biopsies from tumours and healthy skin from 269 immunocompetent patients found HPV DNA in 2.6 % of tum
The influences on gene expression by codons at positions +2, +3, +5 and +7 downstream of the initiation codon have been compared. Most of the +2 codons that are known to give low gene expression are associated with a higher expression if placed at the later positions. The NGG codons AGG, CGG, UGG and GGG, but not GGN or GNG (where N is non-G), are unique since they are associated with a very low g
We describe two unrelated cases of ornithine aminotransferase (OAT) deficiency with rare neonatal presentation of hyperammonaemia. The diagnosis in the neonatal presentation of OAT deficiency is hampered as hyperornithinaemia is absent. Enzyme and mutation studies confirmed the diagnosis. OAT deficiency should be included in differential diagnosis of neonatal hyperammonaemia.
The new luminescent carbonyl compounds [Mn(Oxa-H)(CO)3Br] (1) and [Mn(Oxa-NMe2)(CO)3Br] (2) were synthesized and fully characterized. Complexes 1 and 2 showed CO release under blue light (λ453). Spectroscopic techniques and TD-DFT and SOC-TD-DFT calculations indicated that 1 and 2 release the Oxa-H and Oxa-NMe2 coligands in addition to the carbonyl ligands, increasing the luminescence during photo
Background: There is growing evidence that the neuropsychiatric and neurological disorders depression, ataxia and dystonia share common biological pathways. We therefore aimed to increase our understanding of their shared pathophysiology by investigating their shared biological pathways and molecular networks. Methods: We constructed gene sets for depression, ataxia, and dystonia using the Human P
The present study examines in a quantitative manner the relationship between the attitudes toward gender equality and those toward gender-inclusive language. It also studies how a text written with gender-inclusive language is evaluated and observes what factors can act thereupon. Firstly, statistical analyses show that women have more positive attitudes than men, and that residents in a French-sp
Diffusion tensor distribution (DTD) imaging builds on principles from diffusion, solid-state and low-field NMR spectroscopies, to quantify the contents of heterogeneous voxels as nonparametric distributions, with tensor “size”, “shape” and orientation having direct relations to corresponding microstructural properties of biological tissues. The approach requires the acquisition of multiple images
