cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Intelligente Assistenzsysteme. Prozessorientierte Produktionsplanung
Creators: name: Waldburger, Raoul
name: Specker, Adrian
Publisher: name: Swiss Association for Quality
Year: 2021
Subjects: subject: Produktionsplanung
subject: Taktfertigung
subject: PPS
subject: Process Mining
subject: Business Engineering
subject: 670 - Industrielle und handwerkliche Fertigung

description: Auf Basis einer exakten und lückenlosen Betriebsdatenerfassung von real ablaufenden Produktionsprozessen lässt sich mithilfe statistischer Auswertungen ein digitaler Zwilling des Produktionssystems erstellen. Er bildet die Realität besser ab als Schätzungen von Produktionszeiten durch die Arbeitsvorbereitung. Mit dem digitalen Zwilling eröffnen sich neue Perspektiven für Planungssysteme, welche die Planenden interaktiv und präziser bei ihren Entscheiden zur Auftragsfreigabe unterstützen. Ein solches Planungskonzept hat zudem das Potenzial, die Durchlaufzeiten um über 50 Prozent zu reduzieren, falls durch eine stark erhöhte Genauigkeit der Vorgabezeiten gar die Umstellung auf eine getaktete Fertigung ermöglicht wird. Die durchschnittlichen Durchlaufzeiten der Fertigungsaufträge lassen sich mit der beschriebenen Methode von ursprünglich 19,5 auf 9,7 Kalendertage reduzieren.
LMMS Reloaded: Transformer-based Sense Embeddings for Disambiguation and Beyond
Creators: name: Loureiro, Daniel
name: Jorge, Alípio Mário
name: Camacho-Collados, Jose
Publisher: name: arXiv
Year: 2021
Subjects: subject: Computation and Language (cs.CL)
subject: Artificial Intelligence (cs.AI)
subject: FOS: Computer and information sciences

description: Distributional semantics based on neural approaches is a cornerstone of Natural Language Processing, with surprising connections to human meaning representation as well. Recent Transformer-based Language Models have proven capable of producing contextual word representations that reliably convey sense-specific information, simply as a product of self-supervision. Prior work has shown that these contextual representations can be used to accurately represent large sense inventories as sense embeddings, to the extent that a distance-based solution to Word Sense Disambiguation (WSD) tasks outperforms models trained specifically for the task. Still, there remains much to understand on how to use these Neural Language Models (NLMs) to produce sense embeddings that can better harness each NLM's meaning representation abilities. In this work we introduce a more principled approach to leverage information from all layers of NLMs, informed by a probing analysis on 14 NLM variants. We also emphasize the versatility of these sense embeddings in contrast to task-specific models, applying them on several sense-related tasks, besides WSD, while demonstrating improved performance using our proposed approach over prior work focused on sense embeddings. Finally, we discuss unexpected findings regarding layer and model performance variations, and potential applications for downstream tasks.
description: Accepted to Artificial Intelligence Journal (AIJ)
Gestaltung eines Mitarbeitendengesprächs bei der Stiftung Solina - weniger bewerten, mehr fördern
Creators: name: Wölfli, Carole
Publisher: name: Hochschule für Angewandte Psychologie FHNW
Year: 2022
Subjects: Mitarbeitendengespräch
Feedback
Förderung
Potenzialbeurteilung
Zielsetzung
Performance Management

description: Die vorliegende Bachelorarbeit befasst sich mit der Gestaltung einer neuen Form des Mitarbeitendengesprächs (MAG) bei der Stiftung Solina. Das Ziel ist, dass die Mitarbeitenden das MAG in Zukunft als fördernd und positiv erleben. Zu diesem Zweck wurden 14 halbstrukturierte Interviews mit Mitarbeitenden aus diversen Bereichen geführt, welche anhand einer inhaltlich strukturierten Inhaltsanalyse ausgewertet wurden. Dadurch konnten Bedürfnisse, Erwartungen und Wünsche der Befragten, betreffend der neuen Form des MAG, erfasst werden. Die Ergebnisse zeigen, dass die Zielsetzung, das Feedback, konkrete Verbesserungsvorschläge, Weiterbildungsmöglichkeiten und das Allgemeinbefinden aufgegriffen werden sollen. Des Weiteren soll auf die Mitarbeitenden eingegangen werden, zudem soll das Gespräch gekürzt werden.
Self-similar mechanisms in wall turbulence studied using of resolvent analysis
Creators: name: Karban, U.
name: Martini, E.
name: Cavalieri, A. V. G.
name: Lesshafft, L.
name: Jordan, P.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: Self-similarity of wall-attached coherent structures in a turbulent channel at $Re_τ=543$ is explored by means of resolvent analysis. In this modelling framework, coherent structures are understood to arise as a response of the linearised mean-flow operator to generalised, frequency-dependent Reynolds stresses, considered to act as an endogenous forcing. We assess the self-similarity of both the wall-attached flow structures and the associated forcing. The former are educed from direct numerical simulation data by finding the flow field correlated with the wall shear, whereas the latter is identified using a frequency space version of Extended Proper Orthogonal Decomposition (Borée, J. 2003 Extended proper orthogonal decomposition: a tool to analyse correlated events in turbulent flows. Experiments in fluids 35 (2), 188-192). The forcing structures identified are compared to those obtained using the resolvent-based estimation introduced by Towne \emph{et al}. (Towne, A., Lozano-Durán, A. & Yang, X. 2020 Resolvent-based estimation of space-time flow statistics. Journal of Fluid Mechanics 883, A17). The analysis reveals self-similarity of both wall-attached structures$-$in quantitative agreement with Townsend's hypothesis of self-similar attached eddies$-$and the underlying forcing, at least in certain components.
description: 30 pages, 18 figures
Efficient synthesis of N-oxysulfonyl formamidines via thionyl chloride-promoted reaction of sulfamates with formamides
Creators: name: Abudureheman Wusiman
name: Ruzeahong Hudabaierdi
Publisher: name: Taylor & Francis
Year: 2017
Subjects: subject: Biophysics
subject: Biochemistry
subject: Space Science
subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 69999 Biological Sciences not elsewhere classified

description: N-oxysulfonyl formamidine derivatives have been efficiently synthesized under mild conditions through direct condensation of various sulfamates and formamides in the presence of thionyl chloride. The scope of this reaction was investigated, and a plausible mechanism was proposed. The resulting N-oxysulfonyl formamidines can be converted to sulfamates via appropriate deprotection.
Digitally Savvy at the Home Office. Computer Skills of Older Workers During the COVID-19 Pandemic Across Europe
Creators: name: König, Ronny
name: Seifert, Alexander
Publisher: name: Frontiers
Year: 2022
Subjects: subject: home office
subject: Corona
subject: COVID-19
subject: digital skills
subject: Europe
subject: older adults
subject: SHARE
subject: 004 - Computer Wissenschaften, Internet

description: Digital skills can be a valuable resource in work life, especially in such times as the current COVID-19 pandemic, during which working from home has become new reality. Although increasing numbers of older employees (aged 50 years and above) are using digital technologies to work remotely, many of these older adults still have generally lower digital skills. Whether the pandemic will be a push factor for the acquisition of computer skills in late working life remains unclear. This study investigated the explanatory factors of the computer skills gained by older workers who were working from home during the COVID-19 pandemic, using representative data for 28 countries from the Survey of Health, Aging and Retirement in Europe (SHARE). The analysis of the survey responses of 11,042 employed persons aged 50 years and older revealed that, 13% worked only at home due to the pandemic, while 15% said they worked at home and in their usual workplace. The descriptives indicate that full-time homeworking is more of an option among those with tertiary education and who already have some computer skills. Of the older employees who worked only at home, 36% reported an improvement in their computer skills, whereas of the older workers who worked at home and at their usual workplaces, only 29% reported such an improvement. Our results based on logistic regressions suggest that significantly more women, younger employees, respondents with tertiary educational qualifications, and those whose work was not affected by unemployment or even business closure acquired new computer skills, regardless of whether they were working permanently or only partly from home. The study underlines the importance of investigating the possible digital skills gained from the home office situation resulting from the pandemic.
Neural Network Repair of Lossy Compression Artifacts in the September 2015 to March 2016 Duration of the MMS/FPI Data Set
Creators: name: Da Silva, Daniel
name: Barrie, A.
name: Gershman, D.
name: Elkington, S.
name: Dorelli, J.
name: Giles, B.
name: Patterson, W.
Publisher: name: AGU
Year: 2020
Subjects: Image Processing
Neural Networks
Magnetic Reconnection
Magnetosphere

description: During the September 2015 to March 2016 duration (sometimes referred to as Phase 1A) of the Magnetospheric Multiscale Mission, the Dual Electron Spectrometers (DES) were configured to generously utilize lossy compression. While this maximized the number of velocity distribution functions downlinked, it came at the expense of lost information content for a fraction of the frames. Following this period of lossy compression, the DES was reconfigured in a way that allowed for 95% of the frames to arrive to the ground without loss. Using this high-quality set of frames from on-orbit observations, we compressed and decompressed the frames on the ground to create a side-by-side record of the compression effect. This record was used to drive an optimization method that (a) derived basis functions capable of approximating the lossless sample space and with nonnegative coefficients and (b) fitted a function which maps the lossy frames to basis weights that recreate the frame without compression artifacts. This method is introduced and evaluated in this paper. Data users should expect a higher level of confidence in the absolute scale of density/temperature measurements and notice less sinusoidal bias in the velocity X and Y components (GSE)
The spectral radius of graphs with no intersecting odd cycles
Creators: name: Li, Yongtao
name: Peng, Yuejian
Publisher: name: arXiv
Year: 2021
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics

description: Let $H_{s,t_1,\ldots ,t_k}$ be the graph with $s$ triangles and $k$ odd cycles of lengths $t_1,\ldots ,t_k\ge 5$ intersecting in exactly one common vertex. Recently, Hou, Qiu and Liu [Discrete Math. 341 (2018) 126--137], and Yuan [J. Graph Theory 89 (1) (2018) 26--39] determined independently the maximum number of edges in an $n$-vertex graph that does not contain $H_{s,t_1,\ldots ,t_k}$ as a subgraph. In this paper, we determine the graphs of order $n$ that attain the maximum spectral radius among all graphs containing no $H_{s,t_1,\ldots ,t_k}$ for $n$ large enough.
description: 25 pages. This is the Journal Version. The problem raised at the end of our paper was recently solved by Chen, Liu and Zhang; see arXiv:2108.03895. The extremal spectral problem involving the intersecting cliques was also solved in another paper; see the joint work arXiv:2108.03587v2. arXiv admin note: text overlap with arXiv:1911.13082 by other authors
A Generalized Framework for Joint Dynamic Optimal RF Interface Setting and Next-Hop Selection in IoT networks with Similar Requests
Creators: name: Ghasri, Monireh Allah Gholi
name: Hemmatyar, Ali Mohammad Afshin
Publisher: name: arXiv
Year: 2021
Subjects: subject: Networking and Internet Architecture (cs.NI)
subject: Signal Processing (eess.SP)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Many applications which run on the Internet-of-Things machines require similar bandwidths. These machines are equipped with multiple Radio Frequency (RF) interfaces for machine-to-machine or machine-to-Base Station(BS) communications. Joint dynamic optimal RF interface setting and next-hop selection in data transmission can maximize the network data rate. For this purpose, we propose a generalized framework for simultaneous selection of these components according to the required bandwidth of machines. This framework is suitable for networks with multiple BSs and sources with similar bandwidth requests. Simulation results show that using the proposed framework, the average data rate of network sources increases up to 117%.
title: Συνομιλία κτιρίων και τοπίου, κατοικίες και ξενοδοχεία του Νίκου Βαλσαμάκη
title: Building-Scenery interaction: Nikos Valsamakis’ residences and hotels
Creators: name: Μπραζα Ευθυμια-Μαρια
Publisher: name: Technical University of Crete
Year: 2024

description: Η παρούσα ερευνητική εργασία αναζητά τη σχέση του ελληνικού φυσικού τοπίου με την αρχιτεκτονική του Νίκου Βαλσαμάκη μέσω της διερεύνησης των αρχιτεκτονικών περιόδων του και έργων που ανήκουν σε κάθε μια από αυτές. Ειδικότερα, η ανάλυση επικεντρώνεται σε κατοικίες, όπως την κατοικία Παράσχη στην Ανάβυσσο (1963), την κατοικία Λογοθέτη στο Σούνιο (1976), την κατοικία Καρακώστα στην Κηφισιά (1978) , καθώς και στις κατοικίες στο Πόρτο Χέλι (2002) και Αντίπαρο (2013). Επιπλέον αναλύονται και τα ξενοδοχεία “Αμαλία” στους Δελφούς (1965), στην Ολυμπία (1979) και στο Ναύπλιο (1983). Το τελικό στάδιο της έρευνας περιλαμβάνει την σύγκριση μεταξύ των αναλυθέντων περιόδων, αποκαλύπτοντας έτσι τις διαφορές στις προσεγγίσεις που χαρακτηρίζουν τα κτίσματα του Βαλσαμάκη όσον αφορά τη σχέση τους με το φυσικό τοπίο και το περιβάλλον ένταξης τους. Με αυτήν την σύγκριση αναδύονται οι εξελίξεις και οι διακυμάνσεις που συμβαίνουν κατα τη διάρκεια της πορείας του αρχιτέκτονα, ενώ παράλληλα αναδεικνύεται η δυναμικότητα του έργου του.
COVID-19 Vaccine Misinformation Campaigns and Social Media Narratives
Creators: name: Sharma, Karishma
name: Zhang, Yizhou
name: Liu, Yan
Publisher: name: arXiv
Year: 2021
Subjects: subject: Social and Information Networks (cs.SI)
subject: Computers and Society (cs.CY)
subject: Machine Learning (cs.LG)
subject: Physics and Society (physics.soc-ph)
subject: FOS: Computer and information sciences
subject: FOS: Physical sciences

description: COVID-19 vaccine hesitancy has increased concerns about vaccine uptake required to overcome the pandemic and protect public health. A critical factor associated with anti-vaccine attitudes is the information shared on social media. In this work, we investigate misinformation communities and narratives that can contribute to COVID-19 vaccine hesitancy. During the pandemic, anti-science and political misinformation/conspiracies have been rampant on social media. Therefore, we investigate misinformation and conspiracy groups and their characteristic behaviours in Twitter data collected on COVID-19 vaccines. We identify if any suspicious coordinated efforts are present in promoting vaccine misinformation, and find two suspicious groups - one promoting a 'Great Reset' conspiracy which suggests that the pandemic is orchestrated by world leaders to take control of the economy, with vaccine related misinformation and strong anti-vaccine and anti-social messages such as no lock-downs; and another promoting the Bioweapon theory. Misinformation promoted is largely from the anti-vaccine and far-right communities in the 3-core of the retweet graph, with its tweets proportion of conspiracy and questionable sources to reliable sources being much higher. In comparison with the mainstream and health news, the right-leaning community is more influenced by the anti-vaccine and far-right communities, which is also reflected in the disparate vaccination rates in left and right U.S. states. The misinformation communities are also more vocal, either in vaccine or other discussions, relative to remaining communities, besides other behavioral differences.
Media Labs – Medienlabore als gestalterische Experimentier- und Forschungsräume
Creators: name: Mareis, Claudia
name: Allen, Jamie
Publisher: name: Christoph Merian Verlag
Year: 2017
Subjects: subject: media labs
subject: artistic research
subject: knowledge production
subject: 700 - Künste und Unterhaltung

description: The contribution deals with ongoing research projects and methods being employed at the Academy of Art and Design’s Critical Media Lab and puts them into the context of current Media-Lab discussions such as the recently launched initiative “What’s a Media Lab” by Darren Wershler, Jussi Parikka and Lori Emerson, or the recently published book “New Laboratories” (De Gruyter 2016) by Charlotte Klonk of the BWG Cluster of Excellence in Berlin. These discourses at the interface of scholarly, scientific-technical and, above all, artistic research, focus, on the one hand, on situated practices and methods of experimentation and, on the other, address the hybridization and problematization of disciplinary and institutional knowledge and production spaces.
Estimation of Population Abundance for Multiple Line-Transect Using Histogram Method
Creators: name: Al-Shbool, Fadia
Publisher: name: Zenodo
Year: 2012

description: In this research, we used the line transect method to estimate the population abundance (density)   by combining the estimators of each line transect instead of combining the data of all transect lines. We employ two different histogram estimators to obtain an estimated value for the population abundance. The statistical properties of these estimators are derived and the corresponding optimal weights and optimal bins width are also derived based on minimizing the asymptotic mean square error. The derived properties lead us to detect the cases where the histogram estimator based on combining the data from   lines are equivalent to that based on combining the estimators of each line. Also, we performed a simple comparison between the weighted classical histogram estimator and the weighted additive frequency histogram estimator. This comparison lead to the result that if the shoulder condition is valid, then the weighted classical histogram estimator is better than the weighted additive frequency histogram estimator. Another comparison between different estimators of the population abundance have been done based on the simulation study. At this part, we find that it is better to estimate the population abundance based on combining the estimators from individual transects than to estimate it based on combining the data of all lines.
CAN-Catalyzed microwave promoted reaction of indole with betti bases under solvent-free condition and evaluation of antibacterial activity of the products
Creators: name: Choitanya Dev Pegu
name: Sheikh Benazir Nasrin
name: Mohit L. Deb
name: Das, Deep Jyoti
name: Kandarpa K. Saikia
name: Pranjal K. Baruah
Publisher: name: Taylor & Francis
Year: 2017
Subjects: subject: Biochemistry
subject: Microbiology
subject: FOS: Biological sciences
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: CAN-catalyzed reaction of Betti bases with indoles under microwave irradiation gives 3-(α,α-diarylmethyl)indoles. Better yield of the products, especially when one of the aryl ring is phenol were achieved. The reaction is performed in solvent-free condition. The antibacterial studies of the synthesized compounds were performed and some of the compounds showed good activity against Methicillin-resistant Staphylococcus aureus bacteria.
Temperature and Pressure-driven Spin transitions and Piezochromism in a Mn-based Hybrid Perovskite
Creators: name: Banerjee, Hrishit
name: Rittsteuer, Angela
name: Aichhorn, Markus
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Hybrid perovskites have been at the forefront of condensed matter research particularly in context of device applications primarily in relation to applications in the field of solar cells. In this article, we demonstrate that several new functionalities may be added to the arsenal of hybrid perovskites, in terms of external stimuli driven spin transitions as well as piezochromism. As an example, we study Dimethylammonium Manganese Formate (DMAMnF), a hybrid perovskite investigated quite extensively experimentally. We show by employing first principles DFT+U calculations with the aid of ab initio molecular dynamics calculations that DMAMnF shows temperature and pressure driven spin transitions, from a low spin $S=1/2$ to a high spin $S=5/2$ state. This transition is accompanied by a hysteresis, and we find that this hysteresis and the transition temperature are quite close to room temperature, which is desirable for device applications particularly in memory, display, and switching devices. The operating pressure is a few GPa, which is accessible in standard laboratory settings. We find that the cooperative behaviour showing up as hysteresis accompanying the transition is driven primarily by elastic interactions, assisted by magnetic superexchange between Mn atoms. Last but not least we demonstrate that the spin transition is associated with piezochromism which could also be important for applications.
Interests and intelligence: A meta-analysis
Creators: name: Pässler, Katja
name: Beinicke, Andrea
name: Hell, Benedikt
Publisher: name: IEEE
Year: 2015
Subjects: subject: 150 - Psychologie

description: The purpose of this article is to examine the nature and magnitude of the relationship between cognitive abilities and vocational interests — two important measures of individual differences. Our meta-analysis of 27 studies with 29 independent samples and an overall sample size of 55,297 participants demonstrated meaningful relations between cognitive abilities and vocational interests. Meta-analytic coefficients ranged from −0.29 to 0.47; their strength and direction were comparable for females and males. Furthermore, we established both age and birth cohort as moderators of the relation between interests and cognitive abilities. Limitations and implications for future research are discussed.
Interactions between cadmium and zinc in uptake, accumulation and bioavailability for Salix integra with respect to phytoremediation
Creators: name: Yang, Weidong
name: Wang, Yuyan
name: Liu, Di
name: Hussain, Bilal
name: Ding, Zheli
name: Zhao, Fengliang
name: Yang, Xiaoe
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Biochemistry
subject: Microbiology
subject: FOS: Biological sciences
subject: Environmental Sciences not elsewhere classified
subject: Chemical Sciences not elsewhere classified
subject: Ecology
subject: Biological Sciences not elsewhere classified
subject: Inorganic Chemistry
subject: FOS: Chemical sciences
subject: Hematology
subject: Plant Biology

description: The willow (Salix spp.) is a potential accumulator of cadmium (Cd)/zinc (Zn), and the interaction between Cd and Zn is an important factor influencing their phytoextraction potentials. In this study, interactions between Cd and Zn in uptake, accumulation and bioavailability for Salix integra clone SI63 were investigated through nutrient solution and soil culture methods. The result of the soil culture showed that Cd had additive effects for Zn-caused biomass reduction. The result from nutrient solution indicated that added Zn showed antagonistic (low Cd level) or synergistic (moderate and high Cd levels) effects on shoot Cd accumulation and antagonistic effects on root Cd accumulation. Irrespective of nutrient solution or soil culture experiment, Cd addition always had antagonistic effects on Zn accumulation in both shoots and roots. Under Cd10Zn50 condition, the clone accumulated higher Cd and Zn concentrations (95 μg g−1 Cd and 165 μg g−1 Zn) in shoots. Cd slightly increased bioavailable Zn in the rhizosphere, and EDTA well predicted bioavailable Cd and Zn in the rhizosphere. Interactions of Cd–Zn markedly changed their respective phytoextraction potentials, especially for Zn. This result will provide a new insight into improving phytoextraction potentials of both Cd and Zn using willows through applying metal interactions.
Automatic Region Identification over the MMS Orbit by Partitioning n-T space
Creators: name: Da Silva, Daniel
name: Barrie, A.
name: Shuster, J.
name: Schiff, C.
name: Attie, R.
name: Gershman, D. J.
name: Giles, B.
Publisher: name: Maryland Shared Open Access Repository
Year: 2020
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics
Physics - Space Physics

description: Space plasma data analysis and mission operations are aided by the categorization of plasma data between different regions of the magnetosphere and identification of the boundary regions between them. Without computerized automation this means sorting large amounts of data to hand-pick regions. Using hand-labeled data created to support calibration of the Fast Plasma Instrument, this task was automated for the MMS mission with 99.9% accuracy. The method partitions the number density and ion temperature plane into sub-planes for each region, fitting boundaries between the sub-planes using a machine learning technique known as the support vector machine. This method presented in this paper is novel because it offers both statistical automation power and interpretability that yields scientific insight into how the task is performed.
Il Summit delle Nazioni Unite sui Sistemi Alimentari nella Governance Globale dell’Agricoltura
Creators: name: Conti, Mauro
Publisher: name: JUNCO | Journal of UNiversities and international development COoperation
Year: 2024

description: La 47esima assemblea Generale delle Nazioni Unite (1992) ha indicato il ruolo centrale del “policy dialogue” con le organizzazioni contadine nella definizione ed implementazione delle politiche di sviluppo rurale. Queste indicazioni sono state riprese dalla dichiarazione finale del Rio Earth Summit (1992). In questo quadro, la Fao ha approvato nuovi strumenti internazionali basati sui diritti collettivi alle risorse naturali. Nel 2021 è stato convocato il Summit delle Nazioni Unite sui Sistemi Alimentari (UNFSS) sovrascrivendo i processi partecipativi e multilaterali consolidati nei decenni precedenti, e promuovendo di fatto una contro-riforma del sistema di governance mondiale dell’agricoltura e delle risorse naturali.
description: JUNCO | Journal of UNiversities and international development COoperation, Vol. 6 No. 1 (2022): La Cooperazione Universitaria nelle Nuove Sfide per lo Sviluppo Sostenibile - Atti del VII Congresso CUCS, Napoli 21-23 Aprile 2022
Jet tomography in heavy ion collisions with deep learning
Creators: name: Du, Yi-Lun
name: Pablos, Daniel
name: Tywoniuk, Konrad
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Deep learning techniques have the power to identify the degree of modification of high energy jets traversing deconfined QCD matter on a jet-by-jet basis. Such knowledge allows us to study jets based on their initial, rather than final energy. We show how this new technique provides unique access to the genuine configuration profile of jets over the transverse plane of the nuclear collision, both with respect to their production point and their orientation. Effectively removing the selection biases induced by final-state interactions, one can in this way analyse the potential azimuthal anisotropies of jet production associated to initial-state effects. Additionally, we demonstrate the capability of our new method to locate with precision the production point of a dijet pair in the nuclear overlap region, in what constitutes an important step forward towards the long term quest of using jets as tomographic probes of the quark-gluon plasma.
description: 9 pages, 7 figures. Updated version for the publication in Phys. Rev. Lett
What about young adults’ photo manipulation activity? The predictive role of body shame and the mediating effect of body esteem
Creators: name: Gioia, F
name: McLean, Sian
name: Rega, V
name: Boursier, V
Publisher: name: La Trobe
Year: 2024
Subjects: classificationCode: 5205
subject: Social and personality psychology
classificationCode: 52
subject: Psychology
subject: FOS: Psychology
classificationCode: 3605
subject: Screen and digital media
classificationCode: 5201
subject: Applied and developmental psychology

description: In recent years, the centrality of photos on Social Networking Sites (SNSs) dramatically increased among young adults. The particular attention addressed to visual self-presentation might lead to body shame, influencing individuals’ body esteem and, likely, promoting photo manipulation (PM). Indeed, manipulating photos to alter how the body appears might be driven by the need to improve self-esteem and reduce body shame, albeit by digitally modified body image. Consequently, two studies were conducted. Study1 psychometrically evaluated the PM scale in a sample of Italian young adults (N = 922). Study2 verified the direct and indirect effect of body shame on PM, testing the mediating effect of body esteem and the moderating effect of gender (N = 595). The PM scale for young adults showed good psychometric properties. The tested mediation model revealed that body shame was both directly and indirectly associated with PM, via body esteem appearance in both male and female participants and via body esteem attribution among young men (R2 = 0.204; p <.001). Implications for young adults’ appearance-related issues are discussed.
TIB-FIS-Discovery - VIVO at the German National Library of Science and Technology (TIB)
Creators: name: Hauschke, Christian
name: Walther, Tatiana
name: Barber, Martin
Publisher: name: figshare
Year: 2017
Subjects: subject: 80610 Information Systems Organisation
subject: FOS: Computer and information sciences
subject: Information Systems
subject: Library and Information Studies
subject: FOS: Media and communications

description: Poster at VIVO Conference 2017 at Weill Cornell, New York.
Network of Star Formation: Fragmentation controlled by scale-dependent turbulent pressure and accretion onto the massive cores revealed in the Cygnus-X GMC complex
Creators: name: Li, Guang-Xing
name: Cao, Yue
name: Qiu, Keping
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Molecular clouds have complex density structures produced by processes including turbulence and gravity. We propose a triangulation-based method to dissect the density structure of a molecular cloud and study the interactions between dense cores and their environments. In our {approach}, a Delaunay triangulation is constructed, which consists of edges connecting these cores. Starting from this construction, we study the physical connections between neighboring dense cores and the ambient environment in a systematic fashion. We apply our method to the Cygnus-X massive GMC complex and find that the core separation is related to the mean surface density by $Σ_{\rm edge} \propto l_{\rm core }^{-0.28 }$, which can be explained by {fragmentation controlled by a scale-dependent turbulent pressure (where the pressure is a function of scale, e.g. $p\sim l^{2/3}$)}. We also find that the masses of low-mass cores ($M_{\rm core} < 10\, M_{\odot}$) are determined by fragmentation, whereas massive cores ($M_{\rm core} > 10\, M_{\odot}$) grow mostly through accretion. The transition from fragmentation to accretion coincides with the transition from a log-normal core mass function (CMF) to a power-law CMF. By constructing surface density profiles measured along edges that connect neighboring cores, we find evidence that the massive cores have accreted a significant fraction of gas from their surroundings and thus depleted the gas reservoir. Our analysis reveals a picture where cores form through fragmentation controlled by scale-dependent turbulent pressure support, followed by accretion onto the massive cores, {and the method can be applied to different regions to achieve deeper understandings in the future.
description: Accepted by ApJ
Corrected trapezoidal rules for singular implicit boundary integrals
Creators: name: Izzo, Federico
name: Runborg, Olof
name: Tsai, Richard
Publisher: name: arXiv
Year: 2021
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics
subject: 65D32, 65R20

description: We present new higher-order quadratures for a family of boundary integral operators re-derived using the approach introduced in [Kublik, Tanushev, and Tsai - J. Comp. Phys. 247: 279-311, 2013]. In this formulation, a boundary integral over a smooth, closed hypersurface is transformed into an equivalent volume integral defined in a sufficiently thin tubular neighborhood of the surface. The volumetric formulation makes it possible to use the simple trapezoidal rule on uniform Cartesian grids and relieves the need to use parameterization for developing quadrature. Consequently, typical point singularities in a layer potential extend along the surface's normal lines. We propose new higher-order corrections to the trapezoidal rule on the grid nodes around the singularities. This correction is based on local decompositions of the singularity and is dependent on the angle of approach to the singularity relative to the surface's principal curvature directions. The proposed decomposition, combined with the volumetric formulation, leads to a special quadrature error cancellation.
description: 44 pages, 13 figures, 2 tables
Das Yi Jing – Das Buch der Wandlung. Ein chinesisches Weisheitsbuch im Spiegel der Naturwissenschaften
Creators: name: Felley, Gabriel
name: Frisch, Evelyn C.
Publisher: name: Filosofica
Year: 2018

description: Das Yi Jing oder „Buch der Wandlungen“ ist eine Art Katalog der archetypischen Fragestellungen der Menschheit und ein einzigartiges philosophisches System, dessen Genesis im alten China mehr als 3.500 Jahre zurückliegt. Ein theoretischer Physiker deckt originelle Parallelen zur Quantenphysik und anderen Konzepten der Wissenschaft auf.
I Nuovi Equilibri della Cooperazione Internazionale: Politiche, Partenariati e Saperi oltre l’Asse Nord-Sud
Creators: name: Bini, Valerio
name: Caria, Sara
name: Giunta, Isabella
Publisher: name: JUNCO | Journal of UNiversities and international development COoperation
Year: 2024

description: La sessione “I nuovi equilibri della cooperazione internazionale: politiche, partenariati e saperi oltre l’asse Nord-Sud”, tenutasi nella seconda giornata del VII Congresso Cucs, ha permesso un nutrito dialogo tra studiosi e studiose afferenti a università italiane e straniere, oltre che con rappresentanti di Ong. Questo testo è l’introduzione in tre sezioni dei contributi raccolti. La prima presenta gli obiettivi che hanno animato il dibattito, la seconda introduce tre interventi focalizzati su alcune delle trasformazioni in atto nel sistema della cooperazione internazionale (governance globale dell’agricoltura, dinamiche della cooperazione cinese e sfide in agenda a fronte degli squilibri globali e locali), mentre la terza evidenzia alcune questioni al centro del dibattito sulla cooperazione.
description: JUNCO | Journal of UNiversities and international development COoperation, Vol. 6 No. 1 (2022): La Cooperazione Universitaria nelle Nuove Sfide per lo Sviluppo Sostenibile - Atti del VII Congresso CUCS, Napoli 21-23 Aprile 2022
JS Fake Chorales: a Synthetic Dataset of Polyphonic Music with Human Annotation
Creators: name: Peracha, Omar
Publisher: name: arXiv
Year: 2021
Subjects: subject: Sound (cs.SD)
subject: Audio and Speech Processing (eess.AS)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: High-quality datasets for learning-based modelling of polyphonic symbolic music remain less readily-accessible at scale than in other domains, such as language modelling or image classification. Deep learning algorithms show great potential for enabling the widespread use of interactive music generation technology in consumer applications, but the lack of large-scale datasets remains a bottleneck for the development of algorithms that can consistently generate high-quality outputs. We propose that models with narrow expertise can serve as a source of high-quality scalable synthetic data, and open-source the JS Fake Chorales, a dataset of 500 pieces generated by a new learning-based algorithm, provided in MIDI form. We take consecutive outputs from the algorithm and avoid cherry-picking in order to validate the potential to further scale this dataset on-demand. We conduct an online experiment for human evaluation, designed to be as fair to the listener as possible, and find that respondents were on average only 7% better than random guessing at distinguishing JS Fake Chorales from real chorales composed by JS Bach. Furthermore, we make anonymised data collected from experiments available along with the MIDI samples. Finally, we conduct ablation studies to demonstrate the effectiveness of using the synthetic pieces for research in polyphonic music modelling, and find that we can improve on state-of-the-art validation set loss for the canonical JSB Chorales dataset, using a known algorithm, by simply augmenting the training set with the JS Fake Chorales.
Extremely low-energy collective modes in a quasi-one-dimensional system
Creators: name: Wei, Z. X.
name: Zhang, S.
name: Su, Y. L.
name: Cheng, L.
name: Zhou, H. D.
name: Jiang, Z.
name: Weng, H.
name: Qi, J.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We have investigated the quasiparticle dynamics and collective excitations in the quasi-one-dimensional material ZrTe$_5$ using ultrafast optical pump-probe spectroscopy. Our time-domain results reveal two coherent oscillations having extremely low energies of $\hbarω_1\sim$0.33 meV (0.08 THz) and $\hbarω_2\sim$1.9 meV (0.45 THz), which are softened as the temperature approaches two different critical temperatures ($\sim$54 K and $\sim$135 K). We attribute these two collective excitations to the amplitude mode of charge density wave instabilities in ZrTe$_5$ with tremendously small nesting wave vectors. Furthermore, scattering with the $\hbarω_2$ mode may result in a peculiar quasiparticle decay process with a timescale of $\sim$1-2 ps below the transition temperature $T^*$ ($\sim$135 K). Our findings provide pivotal information for studying the fluctuating order parameters and their associated quasiparticle dynamics in various low-dimensional topological systems and other materials.
ICT4DEV for the social and economic development of Mozambique
Creators: name: Archetti, Antonio
name: Baresi, Luciano
name: Bruschi, Francesca
name: Cadir, Roxan
name: Domingos, Luis
name: Jamal, Daud
Publisher: name: JUNCO | Journal of UNiversities and international development COoperation
Year: 2024

description: This paper introduces ICT4Dev (Information and Communication Technologies for Development), a joint project between Politecnico di Milano and Universidade Eduardo Mondlane in Maputo (Mozambique), funded by the Italian Agency for Development Cooperation. The project aims to: (i) improve the ICT-related skills of students and faculty members at the Universidade Eduardo Mondlane, (ii) strengthen the development of innovative IT applications in the context of development initiatives, (iii) support the birth and development of new entrepreneurship, and (iv) help develop a knowledge network among research centers. ICT4Dev also wants to contribute to the reduction of the gender gap in Mozambique.
description: JUNCO | Journal of UNiversities and international development COoperation, Vol. 5 No. 2 (2021): ICT, sviluppo e cooperazione: ricerca visuale e partecipazione
Energy and Momentum Distribution of Surface Plasmon-induced Hot Carriers Isolated via Spatiotemporal Separation
Creators: name: Hartelt, Michael
name: Terekhin, Pavel N.
name: Eul, Tobias
name: Mahro, Anna-Katharina
name: Frisch, Benjamin
name: Prinz, Eva
name: Rethfeld, Baerbel
name: Stadtmüller, Benjamin
name: Aeschlimann, Martin
Publisher: name: arXiv
Year: 2021
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Understanding the differences between photon-induced and plasmon-induced hot electrons is essential for the construction of devices for plasmonic energy conversion. The mechanism of the plasmonic enhancement in photochemistry, photocatalysis, and light-harvesting and especially the role of hot carriers is still heavily discussed. The question remains, if plasmon-induced and photon-induced hot carriers are fundamentally different, or if plasmonic enhancement is only an effect of field concentration producing these carriers in greater numbers. For the bulk plasmon resonance, a fundamental difference is known, yet for the technologically important surface plasmons this is far from being settled. The direct imaging of surface plasmon-induced hot carriers could provide essential insight, but the separation of the influence of driving laser, field-enhancement, and fundamental plasmon decay has proven to be difficult. Here, we present an approach using a two-color femtosecond pump-probe scheme in time-resolved 2-photon-photoemission (tr-2PPE), supported by a theoretical analysis of the light and plasmon energy flow. We separate the energy and momentum distribution of the plasmon-induced hot electrons from the one of photoexcited electrons by following the spatial evolution of photoemitted electrons with energy-resolved Photoemission Electron Microscopy (PEEM) and Momentum Microscopy during the propagation of a Surface Plasmon Polariton (SPP) pulse along a gold surface. With this scheme, we realize a direct experimental access to plasmon-induced hot electrons. We find a plasmonic enhancement towards high excitation energies and small in-plane momenta, which suggests a fundamentally different mechanism of hot electron generation, as previously unknown for surface plasmons.
Constraining modified gravity with quantum optomechanics
Creators: name: Qvarfort, Sofia
name: Rätzel, Dennis
name: Stopyra, Stephen
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We derive the best possible bounds that can be placed on Yukawa- and chameleon-like modifications to the Newtonian gravitational potential with a cavity optomechanical quantum sensor. By modelling the effects on an oscillating source-sphere on the optomechanical system from first-principles, we derive the fundamental sensitivity with which these modifications can be detected in the absence of environmental noise. In particular, we take into account the large size of the optomechanical probe compared with the range of the fifth forces that we wish to probe and quantify the resulting screening effect when both the source and probe are spherical. Our results show that optomechanical systems in high vacuum could, in principle, further constrain the parameters of chameleon-like modifications to Newtonian gravity.
description: Main text: 21 pages, Appendices: 20 pages, 4 figures
Additional file 1 of Engineering endogenous ABC transporter with improving ATP supply and membrane flexibility enhances the secretion of β-carotene in Saccharomyces cerevisiae
Creators: name: Bu, Xiao
name: Lin, Jing-Yuan
name: Cheng, Jing
name: Yang, Dong
name: Duan, Chang-Qing
name: Koffas, Mattheos
name: Yan, Guo-Liang
Publisher: name: figshare
Year: 2020
Subjects: subject: Biophysics
subject: Biochemistry
subject: Space Science
subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Molecular Biology
subject: Pharmacology
subject: Biotechnology
subject: Chemical Sciences not elsewhere classified
subject: Ecology
subject: Biological Sciences not elsewhere classified
subject: Inorganic Chemistry
subject: FOS: Chemical sciences
subject: Hematology

description: Additional file 1: Fig. S1. Changes in intracellular β-carotene content (A) and specific β-carotene production rate (B) in YBX-01. Fig. S2. β-Carotene secretion in additional ABC transporter overexpression strains. Fig. S3. Promoter replacement plasmid construction schematic (A) and yeast transformation schematic (B). Fig. S4. Genome PCR confirmation of ABC transporter overexpression strains. Fig. S5. The relative expression level of over-expressed ABC transporter genes. Fig. S6. Cell growth, glucose concentration and intracellular β-carotene concentration of YBX-01with or without dodecane. Fig. S7. Changes of gene expression level of the five transporters (A) and exported β-carotene level (B) in YBX-01 throughout the cell growth period. Fig. S8. Intracellular ROS determination in YBX-B and YBX-01 at 36 h. Fig. S9. The cell growth of YBX-SNQ2 with different ATP supply strategies. Fig. S10. The spectral characteristics (A) and standard curve of β-carotene in dodecane (B). Table S1. Comparative proteome analysis between YBX-01 and YBX-B. Table S2. Plasmids used in this study. Table S3. Primers used in this study.
Pro-zirkuläres-Verhalten bei Eltern
Creators: name: Erne, Nando
Publisher: name: Hochschule für Angewandte Psychologie FHNW
Year: 2022
Subjects: Pro-Circular Change Model
Verhaltensänderung
Kreislaufwirtschaft
Werte
Theory of Planned Behaviour
Verhaltensänderungsinterventionen
Nudging

description: Kreislaufwirtschaft ist ein in der Fachwelt viel diskutiertes Thema. Dabei stellt sich immer wieder heraus, dass für einen Wandel hin zu einer kreislauffähigen und damit zukunftsfähigen Wirtschaft Konsumierende eine zentrale Rolle einnehmen. Gerade bei diesen ist aber das Bewusstsein gering und es wird eher wenig Verhalten im Sinne der Kreislaufwirtschaft – sogenanntes Pro-zirkuläres- Verhalten – gezeigt. Diese Arbeit untersucht deshalb, wie Pro-zirkuläres-Verhalten gefördert werden kann und was mögliche Prädiktoren für dieses Verhalten sind. Dazu wird mittels halbstrukturierten Interviews die Zielgruppe der Eltern untersucht. Hierbei dient das Pro-Circular Change Model als Basis. Um Pro-zirkuläres-Verhalten bei Eltern zu fördern werden in dieser Arbeit drei Handlungsempfehlungen vorgestellt, welche auf dem Prinzip des Nudgings beruhen.
Le dinamiche della cooperazione sud-sud della Cina in America Latina nel XXI secolo
Creators: name: Garcìa, Ada Celsa Cabrera
name: Minutti, Eduardo Crivelli
name: Lo Brutto, Giuseppe
Publisher: name: JUNCO | Journal of UNiversities and international development COoperation
Year: 2024

description: Nel XXI secolo, il governo cinese è stato in grado di consolidare partenariati strategici con la regione dell'America Latina, nell'ambito di un complesso asse politico che vede nella complementarità e nella cooperazione Sud-Sud gli elementi centrali di una strategia che aspira a integrare i Paesi in via di sviluppo nella crescita economica cinese. L'ipotesi avanzata da questo articolo è che la Cina contribuisce a sostenere i fragili equilibri politici, commerciali e finanziari latinoamericani. L'obiettivo dell’articolo è presentare una riflessione aggiornata sulle dinamiche della cooperazione Sud-Sud, strategica tra la Cina e l'America Latina nel XXI secolo.
description: JUNCO | Journal of UNiversities and international development COoperation, Vol. 6 No. 1 (2022): La Cooperazione Universitaria nelle Nuove Sfide per lo Sviluppo Sostenibile - Atti del VII Congresso CUCS, Napoli 21-23 Aprile 2022