cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Spatial Competition and Farm Tourism - A Hedonic Pricing Model
Creators: name: Andersson, Hans
name: Hoffmann, Ruben
name: Andersson, Hans
name: Hoffmann, Ruben
Publisher: name: Unknown
Year: 2008
Subjects: Community/Rural/Urban Development

description: Changes in EU agricultural policies towards additional focus on rural development issues raise questions regarding the economic impact of local/spatial competition. Traditionally, farmers have typically been price takers in markets for major agricultural products. This is, however, not necessarily true in the case of local markets for “new enterprises”. This article examines local/and spatial competition for farm tourism services, specifically “Self catering” in Sweden. The results show that spatial dependences exist and have to be considered in the econometric estimation of the hedonic pricing model. Using spatial econometrics it is shown that the price is affected by the average price, the demand for and supply of lodging in the regional market. Notable is that the results indicate that local competition has a positive effect on the price while regional competition has a negative effect. Marketing channels used as well as size and ranking of the service were found to affect the price of lodging. Diversification does not seem to positively affect prices. The findings illustrate the potential importance of local competition for rural developments studies. It also raises questions concerning policies promoting diversification and multifunctionality as a way of revitalizing urban areas.
Ethanol: Implications for Rural Communities
Creators: name: Low, Sarah A.
name: Isserman, Andrew M.
name: Low, Sarah A.
name: Isserman, Andrew M.
Publisher: name: Unknown
Year: 2008
Subjects: Resource /Energy Economics and Policy

description: This paper presents an overview of the U.S. ethanol industry, its location, and the public policy umbrella that supports its growth. Then the paper analyzes what happens when a county adds an ethanol plant, demonstrates what must be done to modify input-output models to capture those effects realistically, and applies the approach to proposed plants in three counties.
Precision calculation of $γd\to π^+ nn$ within chiral perturbation theory
Creators: name: Lensky, V.
name: Baru, V.
name: Haidenbauer, J.
name: Hanhart, C.
name: Kudryavtsev, A. E.
name: Meißner, U. -G.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The reaction $γd\to π^+ nn$ is calculated up to order $χ^{5/2}$ in chiral perturbation theory, where $χ$ denotes the ratio of the pion to the nucleon mass. Special emphasis is put on the role of nucleon--recoil corrections that are the source of contributions with fractional power in $χ$. Using the known near threshold production amplitude for $γp\to π^+ n$ as the only input, the total cross section for $γd\to π^+ nn$ is described very well. A conservative estimate suggests that the theoretical uncertainty for the transition operator amounts to 3 % for the computed amplitude near threshold.
description: 28 pages
Lehmann, Karl / Pannenberg, Wolfgang: Glaubensbekenntnis und Kirchengemeinschaft
Creators: name: Vorster, Hans
Publisher: name: Ökumenische Rundschau
Year: 2025

description: Ökumenische Rundschau, Bd. 31 Nr. 4 (1982): Ökumenische Rundschau, Band 31, Heft 4
Colour perception and cognition in adults with autism spectrum disorders
Creators: name: Maule, John
name: Pellicano, Elizabeth
name: Franklin, Anna
Publisher: name: F1000Research
Year: 2016

description: Autism Spectrum Disorders (ASD) are associated with atypical visuo-cognitive processing. Weak central coherence (Happe & Frith, 2006) – the tendency for individuals with autism to employ locally-oriented cognition, with a reduced ability to extract global meaning – may help explain perceptual-cognitive differences in ASD. We present two experiments investigating colour perception and cognition in individuals with and without ASD. In Experiment 1, adults with ASD (n = 16) performed just as well as typical adults (n = 16) at averaging the colour of a rapidly-presented, colourful ensemble, despite this task requiring distributed attention to the holistic characteristics of the ensemble. However, the ASD group outperformed the typical group when evaluating whether a single colour was part of the ensemble – a task requiring more local attention. In Experiment 2, unexpectedly, there were no group differences in wholescene colour afterimages (‘‘Spanish Castle Illusion’’, Sadowski, 2006). For both groups (total n = 22), afterimages were stronger for scenes with diagnostic colour (natural scenes) than without diagnostic colour (man-made objects) for both up-right and upside-down images. Together, these findings suggest that the abilities to extract summary statistics from scenes and apply prior knowledge to current percepts is not disrupted in autism, contrary to prominent theoretical accounts.

Research supported by an Economic and Social Research Council studentship to JM (ES/J500173/1), a European Research Council funded project ‘CATEGORIES’ (283605) to AF and a Medical Research Council grant (MR/J013145/1) awarded to EP.
Transition from inspiral to plunge in precessing binaries of spinning black holes
Creators: name: Buonanno, Alessandra
name: Chen, Yanbei
name: Damour, Thibault
Publisher: name: arXiv
Year: 2005
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We investigate the non-adiabatic dynamics of spinning black hole binaries by using an analytical Hamiltonian completed with a radiation-reaction force, containing spin couplings, which matches the known rates of energy and angular momentum losses on quasi-circular orbits. We consider both a straightforward post-Newtonian-expanded Hamiltonian (including spin-dependent terms), and a version of the resummed post-Newtonian Hamiltonian defined by the Effective One-Body approach. We focus on the influence of spin terms onto the dynamics and waveforms. We evaluate the energy and angular momentum released during the final stage of inspiral and plunge. For an equal-mass binary the energy released between 40Hz and the frequency beyond which our analytical treatment becomes unreliable is found to be, when using the more reliable Effective One-Body dynamics: 0.6% M for anti-aligned maximally spinning black holes, 5% M for aligned maximally spinning black hole, and 1.8% M for non-spinning configurations. In confirmation of previous results, we find that, for all binaries considered, the dimensionless rotation parameter J/E^2 is always smaller than unity at the end of the inspiral, so that a Kerr black hole can form right after the inspiral phase. By matching a quasi-normal mode ringdown to the last reliable stages of the plunge, we construct complete waveforms approximately describing the gravitational wave signal emitted by the entire process of coalescence of precessing binaries of spinning black holes.
description: 31 pages, 7 tables, and 13 figures
The World bank’s experience with urban water sector reform : an institutional analysis
Creators: name: Bronsro, Allan
Publisher: name: University of British Columbia
Year: 2009

description: The urban water supply sector in the developing world is in crisis, partly because of failure to treat water as the scarce resource that it is. Reforming public water supply utilities has proved difficult, despite a focus by the World Bank on institutional reform and governance. This paper analyzes the Bank's experience with, and evolving approach to, urban water sector reform. It shows that a more comprehensive understanding of the bureaucratic aspects of institutional reform can help public water supply institutions to adopt more sustainable practices in cities that currently do not provide universally available, safe, and affordable water. The paper summarizes the theoretical approaches to institutional development, and sets out a practical framework for policy and project analysis and design. Using the World Bank's experience with urban development in Nairobi as a case example, it clearly shows why one city department succeeded, and another failed, to meet project objectives.
Heavy quark momentum diffusion from the lattice using gradient flow
Creators: name: Altenkort, Luis
name: Eller, Alexander M.
name: Kaczmarek, Olaf
name: Mazur, Lukas
name: Moore, Guy D.
name: Shu, Hai-Tao
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We apply the gradient flow on a color-electric two-point function that encodes the heavy quark momentum diffusion coefficient. The simulations are done on fine isotropic lattices in the quenched approximation at $1.5\,T_c$. The continuum extrapolation is performed at fixed flow time followed by a second extrapolation to zero flow time. Perturbative calculations of this correlation function under Wilson flow are used to enhance the extrapolations of the non-perturbative lattice correlator. The final estimate for the continuum correlator at zero flow time largely agrees with one obtained from a previous study using the multi-level algorithm. We perform a spectral reconstruction based on perturbative model fits to estimate the heavy quark momentum diffusion coefficient. The approach we present here yields high-precision data for the correlator and is also applicable for actions with dynamical fermions.
description: Published version, 14 pages, 15 figures
Ορθολογική Διαχείριση Υδρολογικών Λεκανών Απορροής Ν.Δράμας (Υφιστάμενη Κατάσταση – Μέτρα Προστασίας – Προοπτικές):
Creators: name: Κυρκενίδης, Χρήστος Βασιλείου
Publisher: name: Aristotle University of Thessaloniki
Year: 2004
Subjects: Χειμαρρικό Περιβάλλον
Ορθολογική Διαχείριση
Λεκάνες Απορροής Ν. Δράμας
Torrential Environment
Orthological Management
Hydrological basins of the prefecture of Drama

description: Στην εργασία αυτή παρουσιάζεται το χειμαρρικό περιβάλλον (δυναμικό) των ρευμάτων των τριών μεγάλων υδρολογικών λεκανών του νομού της Δράμας (Κάτω Νευροκοπίου , Νέστου και Δράμας). Αρχικά, γίνεται αποτύπωση των λεκανών απορροής των χειμάρρων της περιοχής και ο προσδιορισμός των μορφομετρικών και υδρογραφικών τους χαρακτηριστικών. Στη συνέχεια προσδιορίζεται το χειμαρρικό περιβάλλον (δυναμικό) με την ανάλυση των βασικών παραγόντων χειμαρρικότητας (κλίμα, γεωλογικό υπόθεμα, ανάγλυφο, βλάστηση). Ακολουθεί ο προσδιορισμός των μέγιστων αναμενόμενων πλημμυρικών υδατοπαροχών και στερεοπαροχών με τη βοήθεια εμπειρικών και αναλυτικών τύπων και περιγράφονται συνοπτικά τα κατασκευαστικά και λειτουργικά χαρακτηριστικά των σημαντικότερων υδραυλικών έργων της περιοχής. Με βάση τα στοιχεία αυτά παρουσιάζεται η υπάρχουσα κατάσταση του υδατικού δυναμικού της περιοχής και προτείνονται διάφορα περαιτέρω μέτρα για την καλύτερη δυνατή αξιοποίησή του. Τα συγκεκριμένα στοιχεία συγκεντρώθηκαν και ψηφιοποιήθηκαν σε βάση γεωγραφικών δεδομένων (GIS).
description: This paper presents the torrential environment of the torrents of the area of the prefecture of Drama. Firstly, the torrents of the area and their morphometrical and hydrological characteristics are imprinted. At the same time, the torrential environment (potential) is specified with the analysis of the basic torrential factors (climate, relief, geological base, vegetation). After that takes place the calculation of the maximum expected water discharge flow and debris flow with the use of empiric and analytical types. The constructive and operational characteristics of the most important hydrological constructions of the area are synoptically described. According to these data, the present situation is defined, the water potential of the area is evaluated and some further solutions are proposed for the best possible utilization of the water environment. These data were gathered and digitized in a geographical database.
Byzantine Resilient Distributed Multi-Task Learning
Creators: name: Li, Jiani
name: Abbas, Waseem
name: Koutsoukos, Xenofon
Publisher: name: arXiv
Year: 2020
Subjects: subject: Machine Learning (cs.LG)
subject: Machine Learning (stat.ML)
subject: FOS: Computer and information sciences

description: Distributed multi-task learning provides significant advantages in multi-agent networks with heterogeneous data sources where agents aim to learn distinct but correlated models simultaneously.However, distributed algorithms for learning relatedness among tasks are not resilient in the presence of Byzantine agents. In this paper, we present an approach for Byzantine resilient distributed multi-task learning. We propose an efficient online weight assignment rule by measuring the accumulated loss using an agent's data and its neighbors' models. A small accumulated loss indicates a large similarity between the two tasks. In order to ensure the Byzantine resilience of the aggregation at a normal agent, we introduce a step for filtering out larger losses. We analyze the approach for convex models and show that normal agents converge resiliently towards the global minimum.Further, aggregation with the proposed weight assignment rule always results in an improved expected regret than the non-cooperative case. Finally, we demonstrate the approach using three case studies, including regression and classification problems, and show that our method exhibits good empirical performance for non-convex models, such as convolutional neural networks.
RESULT SHEET - Identify the Current Demanded Knowledge, Skills, and Abilities (KSA) in IT through Analysis of Job Advertisements in Sri Lanka: A Framework Using Natural Language Processing Techniques.PDF
Creators: name: Gangodawila, Kosala
name: Asanka, PPG Dinesh
Publisher: name: figshare
Year: 2024
Subjects: classificationCode: 460208
subject: Natural language processing

description: This is the result sheet from the research conducted on "Identify the Current Demanded Knowledge, Skills, and Abilities (KSA) in IT through Analysis of Job Advertisements in Sri Lanka: A Framework Using Natural Language Processing Techniques". In the KSA, this paper has focused on professional qualifications and concepts, technical skills, and soft skills. Understanding the specific Knowledge, Skills, and Abilities demanded by industries is not only relevant to academics but also holds practical significance for job seekers, educational institutions, and employers. By employing Natural Language Processing techniques to analyze job advertisements, this research aims to bridge the skills gap, and support the relevant beneficiaries. This report includes the main areas in the IT sector according to ESCO (European Skills/Competences, Qualifications, and Occupations) classification-based customization and their specifically demanded KSAs for each domain.
The value of market uncertainty in a livestock epidemic
Creators: name: Niemi, Jarkko K.
name: Lehtonen, Heikki
name: Niemi, Jarkko K.
name: Lehtonen, Heikki
Publisher: name: Unknown
Year: 2008
Subjects: subject: International Relations/Trade
subject: Livestock Production/Industries
subject: Livestock epidemics
subject: dynamic programming
subject: demand
subject: supply
subject: export

description: Introduction of foot and mouth disease (FMD) into country typically initiates eradication procedures which remove animals from the market, and halts the export of livestock products from the infected country. The magnitude of these effects can be highly uncertain. This paper presents a stochastic dynamic programming model which simulates possible market implications of alternative FMD and export scenarios in the Finnish pig sector. It takes into account dynamics and adjustment of the animal stock, price movements and uncertainty related to the duration of the trade ban. Results suggest that losses to pig producers can increase considerably when the risk of prolonged export ban increases. Production adjustments also strengthen. Consumers can gain from a trade ban, because options to adjust supply in the short run are limited.
RESULT SHEET - Identify the Current Demanded Knowledge, Skills, and Abilities (KSA) in IT through Analysis of Job Advertisements in Sri Lanka: A Framework Using Natural Language Processing Techniques.PDF
Creators: name: Gangodawila, Kosala
name: Asanka, Dinesh
Publisher: name: figshare
Year: 2024
Subjects: classificationCode: 460208
subject: Natural language processing

description: This is the result sheet from the research conducted on "Identify the Current Demanded Knowledge, Skills, and Abilities (KSA) in IT through Analysis of Job Advertisements in Sri Lanka: A Framework Using Natural Language Processing Techniques". In the KSA, this paper has focused on professional qualifications and concepts, technical skills, and soft skills. Understanding the specific Knowledge, Skills, and Abilities demanded by industries is not only relevant to academics but also holds practical significance for job seekers, educational institutions, and employers. By employing Natural Language Processing techniques to analyze job advertisements, this research aims to bridge the skills gap, and support the relevant beneficiaries. This report includes the main areas in the IT sector according to ESCO (European Skills/Competences, Qualifications, and Occupations) classification-based customization and their specifically demanded KSAs for each domain.
A Census of the Carina Nebula. I: Cumulative Energy Input from Massive Stars
Creators: name: Smith, Nathan
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: (abridged) The Carina Nebula (NGC 3372) is our richest nearby laboratory in which to study feedback through UV radiation and stellar winds from very massive stars during the formation of an OB association before supernova explosions have influenced the environment. This paper takes inventory of the combined effect from all the known massive stars that power the Carina Nebula. The present-day total ionizing photon luminosity produced by the 65 O stars and 3 WNL stars in Carina is about 1e51/s, the total bolometric luminosity of all stars earlier than B2 is 2.5e7 Lsun, and the total mechanical luminosity of stellar winds is about 1e5 Lsun. The total ionizing flux was about 25 per cent higher when eta Car was on the main sequence, before it and its companion were surrounded by its obscuring dust shell, and when the 3 WNL stars were on the main sequence. For the first 3 Myr, the net ionizing flux of the 70 O-type stars in Carina was about 150 times greater than in the Orion Nebula. About 400-500 Msun has been contributed to the region by stellar wind mass loss during the past 3 Myr. The net ionizing flux and mechanical luminosity are also given for the individual clusters Tr14, 15, and 16, and Bo10 and 11, which are relevant on smaller spatial scales.
description: 10 pages, accepted to MNRAS
Productividad, disposicion al pago y eficiencia tecnica en el uso del agua: la horticultura intensiva de la Region de Murcia
Creators: name: Colino Sueiras, Jose
name: Martinez Paz, Jose Miguel
name: Colino Sueiras, Jose
name: Martinez Paz, Jose Miguel
Publisher: name: Unknown
Year: 2007
Subjects: subject: Resource /Energy Economics and Policy
subject: water
subject: intensive horticulture
subject: efficiency
subject: willigness to pay
subject: agua
subject: horticultura intensiva
subject: eficiencia tecnica
subject: disposicion al pago

description: RESUMEN Este trabajo presenta los resultados derivados de un estudio sobre eficiencia y productividad del agua en la horticultura intensiva litoral del sureste español. Tras la caracterización de esta actividad productiva, se analizan 230 encuestas directas a horticultores y 50 entrevistas a técnicos agrarios realizadas en la campaña 2004/2005, calculando la productividad aparente y los precios de nivelación y cierre para los cultivos más característicos. Seguidamente se estima la disposición al pago por el agua de los horticultores, la cual muestra una relación positiva con los niveles de eficiencia técnica previamente estimados para este sistema productivo. ABSTRACT This work presents some results derived from a study on efficiency and productivity of the water in the coastal intensive horticulture of the Spanish South-eastern. After the characterization of this productive activity, 230 direct surveys to horticulture's farmers and 50 interviews to agrarian technicians (made in campaign 2004/05) are analyzed, measuring the productivity and the levelling-prices and stop-price of water for the most characteristic productions. The paper finally analyzes the "willigness to pay" by the water revealed by the farmers, which shows a positive relation with the levels of technical efficiency at this productive system.
Bonding Configurations and Collective Patterns of Ge Atoms Adsorbed on Si(111)-7x7
Creators: name: Wang, Y. L.
name: Gao, H. -J.
name: Guo, H. M.
name: Wang, Sanwu
name: Pantelides, Sokrates T.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Other Condensed Matter (cond-mat.other)
subject: Chemical Physics (physics.chem-ph)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: We report scanning tunneling microscopy observations of Ge deposited on the Si(111)-7x7 surface for a sequence of sub-monolayer coverages. We demonstrate that Ge atoms replace so-called Si adatoms. Initially, the replacements are random, but distinct patterns emerge and evolve with increasing coverage, till small islands begin to form. Corner adatom sites in the faulted half unit cells are preferred. First-principles density functional calculations find that adatom substitution competes energetically with a high-coordination bridge site, but atoms occupying the latter sites are highly mobile. Thus, the observed structures are indeed more thermodynamically stable.
description: RevTex4, 4 pages, 4 figures, Fig. 2 of high quality available upon request, to appear in Phys. Rev. Lett
The Effects of Doubly Ionized Chemistry on SH+ and S^+2 Abundances in X-ray Dominated Regions
Creators: name: Abel, N. P.
name: Federman, S. R.
name: Stancil, P. C.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Recent laboratory measurements for the S^+2 + H2 reaction find a total rate coefficient significantly larger than previously used in theoretical models of X-ray dominated regions (XDRs). While the branching ratio of the products is unknown, one energetically possible route leads to the SH+ molecule, a known XDR diagnostic. In this work, we study the effects of S^+2 on the formation of SH+ and the destruction of S^+2 in XDRs. We find the predicted SH+ column density for molecular gas surrounding an Active Galactic Nucleus (AGN) increases by as much as 2 dex. As long as the branching ratio for S^+2 + H2 -> SH+ + H+ exceeds a few percent, doubly ionized chemistry will be the dominant pathway to SH+, which then initiates the formation of other sulfur-bearing molecules. We also find that the high rate of S^+2 + H2 efficiently destroys S^+2 once H2 forms, while the S^+2 abundance remains high in the atomic hydrogen region. We discuss the possible consequences of S^+2 in the atomic hydrogen region on mid-infrared diagnostics. The enhanced SH+ abundance has important implications in the study of XDRs, while our conclusions for S^+2 could potentially impact the interpretation of Spitzer and SOFIA observations.
description: 19 pages, 3 figures, Accepted for Publication in ApJ Letters
On the interaction between thermalized neutrinos and cosmological gravitational waves above the electroweak unification scale
Creators: name: Lattanzi, Massimiliano
name: Montani, Giovanni
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We investigate the interaction between the cosmological relic neutrinos, and primordial gravitational waves entering the horizon before the electroweak phase transition, corresponding to observable frequencies today nu_0 <= 10^-5 Hz. We give an analytic formula for the traceless transverse part of the anisotropic stress tensor, due to weakly interacting neutrinos, and derive an integro-differential equation describing the propagation of cosmological gravitational waves at these conditions. We find that this leads to a decrease of the wave intensity in the frequency region accessible to the LISA space interferometer, that is at the present the most promising way to obtain a direct detection of a cosmological gravitational wave. The absorbed intensity does not depend neither on the perturbation wavelength, nor on the details of neutrino interactions, and is affected only by the neutrino fraction f_nu. The transmitted intensity amounts to 88% for the standard value f_nu=0.40523. An approximate formula for non-standard values of f_nu is given.
description: 14 pages, 1 figure. Submitted to Modern Physics Letters A
MEIO AMBIENTE E ECOLOGIA HUMANA EM DIÁLOGO E  PERSPECTIVAS NO NORDESTE BRASILEIRO
Creators: name: TOMÁZ, Alzeni de Freitas
name: Rocha, Kilma Manso R.
name: Alves, Maria Rosa Almeida
name: Azevedo, Sérgio Luiz Malta de
name: Almeida, Maria do Socorro Pereira de
Publisher: name: SABEH
Year: 2023

description: O estudo apresenta um olhar panorâmico sobre alguns aspectos do Nordeste brasileiro no intuito de evidenciar perspectivas da Ecologia Humana de modo que se emerjam fatores essenciais dos espaços nordestinos sob o prisma da relação humano-natureza. Desse modo, traz-se uma breve explanação sobre os povos originários, especialmente dos estados BA, PE, AL; uma invocação ao olhar para espécies em extinção, a exemplo da arara−azul−de−lear e a concepção de ecopertencimento. O trabalho se fundamenta em narrativas do vivido e concebido pelos autores e de uma pesquisa bibliográfica, abrangendo nuances socioculturais, socioambientais e educativas. Ao longo da pesquisa foi possível observar que não é bastante o ser humano pensar em preservar, mas se inserir no contexto natural tal como ser que é parte desse todo, só a partir do sentimento de pertencimento ao meio ambiente é que pode pensar o outro humano e não-humano como a si mesmo e cuidar por empatia, amor e cuidado e não apenas por um dever.
Valoracion del agua de riego por el metodo de precios quasi-hedonicos: aplicacion al Guadalquivir
Creators: name: Berbel, Julio
name: Mesa, Pascual
name: Berbel, Julio
name: Mesa, Pascual
Publisher: name: Unknown
Year: 2007
Subjects: subject: Resource /Energy Economics and Policy
subject: irrigated agriculture
subject: hedonic price
subject: environmental valuation
subject: water value
subject: agricultura de riego
subject: precios hedónicos
subject: valoracion ambiental
subject: valor del agua

description: La estimación del valor del agua puede hacerse mediante diferentes métodos, de los cuales este trabajo propone el método de precios "quasi-hedónicos". El agua se considera en este trabajo como una variable externa que impacta en el precio diferencial de la tierra, y cuyo valor estimamos para la Cuenca del Guadalquivir. Los resultados nos muestran un valor capital del agua en el rango 2,8 €/m3 a 4,2 €/m3 con un valor más frecuente de 3,46 €/m3, que según el tipo de capitalización empleado nos daría un valor medio de renta del agua entre 0,14 €/m3 (para r=4%) a 0,35 €/m3 (para r=10%). ABSTRACT The valuation of natural resources is a tool used for improving allocation and management of water resources. This research proposes a quasi-hedonic approach as a simple way for estimating the value of irrigation water. Water is considered here as an exogenous variable impacting on land price, which is estimated for the Guadalquivir River Basin (Southern Spain). Results show a capitalized water value in the range 2,8 €/m3 to a 4,2 €/m3. The most frequent value is 3,46 €/m3 , resulting in a value of water rent between 0,14 €/m3 (r=4%) to 0,35 €/m3 (r=10%), depending upon the applied discount rate.
Natural orbitals for many-body expansion methods
Creators: name: Hoppe, J.
name: Tichai, A.
name: Heinz, M.
name: Hebeler, K.
name: Schwenk, A.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The nuclear many-body problem for medium-mass systems is commonly addressed using wave-function expansion methods that build upon a second-quantized representation of many-body operators with respect to a chosen computational basis. While various options for the computational basis are available, perturbatively constructed natural orbitals recently have been shown to lead to significant improvement in many-body applications yielding faster model-space convergence and lower sensitivity to basis set parameters in large-scale no-core shell model diagonalizations. This work provides a detailed comparison of single-particle basis sets and a systematic benchmark of natural orbitals in nonperturbative many-body calculations using the in-medium similarity renormalization group approach. As a key outcome we find that the construction of natural orbitals in a large single-particle basis enables for performing the many-body calculation in a reduced space of much lower dimension, thus offering significant computational savings in practice that help extend the reach of ab initio methods towards heavier masses and higher accuracy.
description: 15 pages, 9 figures, published version
Addendum to "Sufficient conditions for three-particle entanglement and their tests in recent experiments"
Creators: name: Toth, Geza
name: Guehne, Otfried
name: Seevinck, Michael
name: Uffink, Jos
Publisher: name: arXiv
Year: 2005
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: A recent paper [M. Seevinck and J. Uffink, Phys. Rev. A 65, 012107 (2002)] presented a bound for the three-qubit Mermin inequality such that the violation of this bound indicates genuine three-qubit entanglement. We show that this bound can be improved for a specific choice of observables. In particular, if spin observables corresponding to orthogonal directions are measured at the qubits (e.g., X and Y spin coordinates) then the bound is the same as the bound for states with a local hidden variable model. As a consequence, it can straightforwardly be shown that in the experiment described by J.-W. Pan et al. [Nature 403, 515 (2000)] genuine three-qubit entanglement was detected.
description: Two pages, no figures, revtex4; minor changes before publication
Defending the Food Supply Chain: Retail Food, Foodservice and their Wholesale Suppliers
Creators: name: Kinsey, Jean D.
name: Kaynts, Kateryna
name: Ghosh, Koel
name: Kinsey, Jean D.
name: Kaynts, Kateryna
name: Ghosh, Koel
Publisher: name: Unknown
Year: 2007
Subjects: subject: Agribusiness
subject: Food Defense
subject: Terrorism
subject: Benchmark Practices
subject: Diagnostic Tool

description: This report details the activities and findings of a three year research project funded by The National Center for Food Protection and Defense at the University of Minnesota, a Homeland Security Center of Excellence. The project was conducted by three universities each taking responsibility for collecting data on a different part of the food supply chain. The overall goal was to ascertain the food defense practices and readiness of food firms along the food supply chain to defend their food and other assets from a potential terrorist attack. David Closs in the Supply Chain Management Center at Michigan State University was the named leader of the overall project. Dr. Closs and his colleagues investigated the practices of food manufacturers and some wholesalers. Chip White and Alan Erera from the Georgia Institute of Technology investigated the practices of trucking companies and Jean Kinsey and colleagues at The Food Industry Center at the University of Minnesota investigated the food defense practices of retailers (grocers and foodservice) and wholesalers who supply both these channels. This report focuses on the work of The Food Industry Center and the benchmarks of the retail and wholesale food companies. This project addresses the need to increase awareness of food system vulnerabilities among retail and wholesale food companies and enhance their preparedness for catastrophic incidents. Initial interviews and pilot surveys established the management and operations practices at retail, wholesale, and food service companies that lead to tightened security at a variety of food companies. The lessons learned from the initial stage of the project were incorporated into a comprehensive survey to ascertain the best practices in management, employment, communication, and information preparedness among firms in the wholesale/retail end of the food supply chain. The project will produce a benchmark report against which food companies can judge their relative level of preparedness for prevention, detection, response, and recovery. Results will be used to develop a set of best practices, a benchmarking (diagnostic) software tool for food companies to use and recommendations on improving food security practices, protecting employees and consumers, reducing vulnerabilities, and enhancing consumer confidence in the safety of the food supply.
Perspectives on the process of recovery from depression by older adult clients : a grounded theory study
Creators: name: Unsworth, Elaine
Publisher: name: University of British Columbia
Year: 2009

description: Depression in the older adult remains a serious public health concern. An understanding of the process of recovery from depression from the older adults' perspective will assist care providers to plan strategies for the most effective treatment of depression. With effective treatment we would expect to see a lower suicide rate and lower demand for unnecessary resources which will both contribute to improve the quality of life for older adults. The purpose of this grounded theory study was to describe the process of recovery through the experience of depression from the perspective of older adults who were considered to have recovered from their depression. Open-ended interviews were conducted with seven older adults who had recovered from depression. Analysis of the interviews involved identification of a process of recovery that consisted of four phases: 1) Spiraling Down, 2) Changing Direction, 3) Working the Way Out, and 4) Staying Out. Older adults who had recovered from depression described a general sequential process while going through the phases. If a recurrence or relapse occurred, the same four phases were experienced again. A preliminary substantive theory of the process of recovery emerged from the findings. Triggers were experienced which led to increasing feelings of discomfort and distress. Older adults relied on their own strength as well as supports from others as they worked to implement strategies to achieve recovery. The process described in this study provides a beginning understanding of the experience of older adults as they recovery from depression. The findings of this study will help nurses and other health care professionals in providing care to older adults recovering from depression.
Estimating Urban Residential Water-Demand with Increasing Block Prices: The Case of Perth, Western Australia
Creators: name: Xayavong, Vilaphonh
name: Burton, Michael P.
name: White, Benedict
name: Xayavong, Vilaphonh
name: Burton, Michael P.
name: White, Benedict
Publisher: name: Unknown
Year: 2007
Subjects: subject: Resource /Energy Economics and Policy
subject: water demand
subject: water pricing
subject: block pricing
subject: water resource management
subject: household model

description: This study uses panel data at suburb level to estimates the elasticity water demands in Perth, Australia from 1995 to 2005. After deriving the consumer’s water demand under a non-linear budget constraint, we estimate the water demand model, which accounts for how water (and other purchased goods) is used to satisfy fundamental desires of the household. We have applied the specification of price that provided the correctly estimated marginal price from the block tariff structure, and employed a maximum likelihood estimation technique to tackle the endogeneity and heteroskedasticity issues. Our estimation of water demand price elasticities are slightly higher (more elastic) than previous study in Perth, but broadly in line with other estimates in the literature.
ByzRev 03.2021.010: Krystina Kubina, Die enkomiastische Dichtung des Manuel Philes. Form und Funktion des literarischen Lobes in der frühen Palaiologenzeit
Creators: name: Leonte, Florin
Publisher: name: The Byzantine Review
Year: 2021

description: Krystina Kubina, Die enkomiastische Dichtung des Manuel Philes. Form und Funktion des literarischen Lobes in der frühen Palaiologenzeit (Byzantinisches Archiv 38). Berlin – Boston: de Gruyter, 2020. 401 pp. – ISBN: 978-3-11-063549-2 (€ 119.95)
description: The Byzantine Review, Bd. 3 (2021)
Phase transitions in 2d orders coupled to the Ising model
Creators: name: Glaser, Lisa
Publisher: name: arXiv
Year: 2020
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: The $2$d orders are a sub class of causal sets, which is especially amenable to computer simulations. Past work has shown that the $2$d orders have a first order phase transition between a random and a crystalline phase. When coupling the $2$d orders to the Ising model, this phase transition coincides with the transition of the Ising model. The coupled system also shows a new phase, at negative $β$, where the Ising model induces the geometric transition. In this article we examine the phase transitions of the coupled system, to determine their order, as well as how they scale when the system size is changed. We find that the transition at positive $β$ seems to be of mixed order, while the two transitions at negative $β$ appear continous/ first order for the Ising model/ the geometry respectively. The scaling of the observables with the system size on the other hand is fairly simple, and does, where applicable, agree with that found for the pure $2$d orders. We find that the location of these transitions has fractional scaling in the system size.
description: 34 pages, 22 figures, v2 matches journal version, to appear in CQG
Classification of pseudo-symmetric simplicial reflexive polytopes
Creators: name: Nill, Benjamin
Publisher: name: arXiv
Year: 2005
Subjects: subject: Combinatorics (math.CO)
subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 52B20, 14M25, 14J45, 52B12

description: A reflexive polytope, respectively its associated Gorenstein toric Fano variety, is called pseudo-symmetric, if the polytope has a centrally symmetric pair of facets. Here we present a complete classification of pseudo-symmetric simplicial reflexive polytopes together with some applications. This generalizes a result of Ewald on pseudo-symmetric nonsingular toric Fano varieties.
description: AMS-LaTeX, 16 pages; references updated, introduction corrected
The Landscape of Galaxies Harboring Changing-Look Active Galactic Nuclei in the Local Universe
Creators: name: Dodd, Sierra A.
name: Law-Smith, Jamie A. P.
name: Auchettl, Katie
name: Ramirez-Ruiz, Enrico
name: Foley, Ryan J.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We study the properties of the host galaxies of Changing-Look Active Galactic Nuclei (CL AGNs) with the aim of understanding the conditions responsible for triggering CL activity. We find that CL AGN hosts primarily reside in the so-called green valley that is located between spiral-like star-forming galaxies and dead ellipticals, implying that CL AGNs are activated during distinct periods of quenching and galaxy transformation processes. CL AGN hosts have low galaxy asymmetry indicators, suggesting that secular evolutionary processes (the influence of bars and spirals, and possibly minor mergers) might be the primary mechanism for transporting gas to the vicinity of the supermassive black hole (SMBH) rather than major mergers. Similar to tidal disruption events (TDEs) and highly variable AGNs, we find that CL AGN hosts are associated with SMBHs residing in high density pseudo-bulges and appear to overlap most significantly with the population of low-ionization nuclear emission-line region (LINER) galaxies. As such, CL AGN are likely fueled by strong episodic bursts of accretion activity, which appear to take place preferentially as the amount of material accessible for star formation and accretion dwindles. We also identify that CL AGN hosts are characterized by either large Sérsic indices or high bulge fractions, which suggests a simple metric for identifying candidates for spectroscopic follow-up observations in forthcoming synoptic surveys.
description: 17 pages, 9 figures. Accepted to ApJ Letters. Revised version includes an expanded discussion on asymmetry measurements and galaxy disturbances
Evaluating Model Performance with Hard-Swish Activation Function Adjustments
Creators: name: Pydimarry, Sai Abhinav
name: Khairnar, Shekhar Madhav
name: Palacios, Sofia Garces
name: Sankaranarayanan, Ganesh
name: Hoagland, Darian
name: Nepomnayshy, Dmitry
name: Nguyen, Huu Phong
Publisher: name: arXiv
Year: 2024
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: In the field of pattern recognition, achieving high accuracy is essential. While training a model to recognize different complex images, it is vital to fine-tune the model to achieve the highest accuracy possible. One strategy for fine-tuning a model involves changing its activation function. Most pre-trained models use ReLU as their default activation function, but switching to a different activation function like Hard-Swish could be beneficial. This study evaluates the performance of models using ReLU, Swish and Hard-Swish activation functions across diverse image datasets. Our results show a 2.06% increase in accuracy for models on the CIFAR-10 dataset and a 0.30% increase in accuracy for models on the ATLAS dataset. Modifying the activation functions in architecture of pre-trained models lead to improved overall accuracy.
description: 2 pages
Preparation of nondegenerate coherent superpositions in a three-state ladder system assisted by Stark Shifts
Creators: name: Sangouard, N.
name: Yatsenko, L. P.
name: Shore, B. W.
name: Halfmann, T.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We propose a technique to prepare coherent superpositions of two nondegenerate quantum states in a three-state ladder system, driven by two simultaneous fields near resonance with an intermediate state. The technique, of potential application to enhancement of nonlinear processes, uses adiabatic passage assisted by dynamic Stark shifts induced by a third laser field. The method offers significant advantages over alternative techniques: (ı) it does not require laser pulses of specific shape and duration and (\ii) it requires less intense fields than schemes based on two-photon excitation with non-resonant intermediate states. We discuss possible experimental implementation for enhancement of frequency conversion in mercury atoms.
description: 22 pages, 8 figures, 1 table, submitted to PHys. Rev. A
Διαδικτυακή οκνηρία και εργασιακά αποτελέσματα
Creators: name: Σταύρας, Φανούριος Ελευθερίου
Publisher: name: Aristotle University of Thessaloniki
Year: 2019
Subjects: Διαδικτυακή οκνηρία
Αντιπαραγωγική εργασιακή συμπεριφορά
Εργασιακά αποτελέσματα
Cyberloafing
Counterproductive work behavior
Job related results

description: Η παρούσα εργασία ασχολείται με τη διαδικτυακή οκνηρία, ένα εργασιακό φαινόμενο το οποίο σχετίζεται με την αντιπαραγωγική χρήση του διαδικτύου κατά τη διάρκεια της εργασίας. Σκοπός της εργασίας είναι η ανάλυση της διαδικτυακής οκνηρίας και η διερεύνηση πιθανών αιτιών και αποτελεσμάτων στα πλαίσια της λειτουργίας των οργανισμών. Πιο συγκεκριμένα, ερευνάται η συσχέτιση της διαδικτυακής οκνηρίας με τα πρότυπα ομάδας, την εργασιακή ανία, την εργασιακή εμπλοκή και την εργασιακή απόδοση. Τα μεθοδολογικά εργαλεία που χρησιμοποιήθηκαν για την εκπόνηση της εργασίας είναι η βιβλιογραφική ανασκόπηση, η χρήση ερωτηματολογίου για τη συλλογή των δεδομένων και η χρήση λογισμικού (SPSS) για την επεξεργασία τους. Στην έρευνα συμμετείχαν 225 εργαζόμενοι του δημόσιου και ιδιωτικού τομέα στην Ελλάδα, χωρίς να ληφθεί υπόψη κάποιο άλλο δημογραφικό ή σχετικό με την εργασία κριτήριο. Η ανάλυση των δεδομένων έδειξε ότι η διαδικτυακή οκνηρία συσχετίζεται θετικά με τα πρότυπα ομάδας και την εργασιακή ανία, ενώ αρνητικά με την εργασιακή εμπλοκή και την εργασιακή απόδοση. Τα συμπεράσματα αυτά οδήγησαν με τη σειρά τους σε μια σειρά από πρακτικές μεθόδους, οι οποίες δύναται να περιορίσουν το φαινόμενο της διαδικτυακής οκνηρίας στους εργασιακούς χώρους
description: The present study focuses on cyberloafing, a work-related phenomenon that is related to the counterproductive use of internet during working hours. The purpose of this study is to analyze cyberloafing and to investigate possible antecedents and consequences of this phenomenon. More specifically, the study investigates the correlation between cyberloafing and group norms, work boredom, work engagement and job performance. The methodological tools used in this study are the literature review, the use of a questionnaire for data collection and the use of software (SPSS), in order to process the data. The survey involved 225 public and private sector employees in Greece, without taking into account any other demographic or labor-related criterion. Analysis of the data showed that cyberloafing is positively correlated with group norms and work boredom, while negatively with work engagement and job performance. These conclusions led to a number of practical methods, which can be used by the organizations in order to limit cyberloafing in workplaces
Large p-groups actions with a p-elementary abelian second ramification group
Creators: name: Rocher, Magali
Publisher: name: arXiv
Year: 2008
Subjects: subject: Algebraic Geometry (math.AG)
subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 14H10, 14H37, 20D15

description: Let $k$ be an algebraically closed field of characteristic $p>0$ and $C$ a connected nonsingular projective curve over $k$ with genus $g \geq 2$. Let $(C,G)$ be a "big action", i.e. a pair $(C,G)$ where $G$ is a $p$-subgroup of the $k$-automorphism group of $C$ such that$\frac{|G|}{g} >\frac{2 p}{p-1}$. We denote by $G_2$ the second ramification group of $G$ at the unique ramification point of the cover $C \to C/G$. The aim of this paper is to describe the big actions whose $G_2$ is $p$-elementary abelian. In particular, we obtain a structure theorem by considering the $k$-algebra generated by the additive polynomials. We more specifically explore the case where there is a maximal number of jumps in the ramification filtration of $G_2$. In this case, we display some universal families.
RepositoryForSPAROntologies
Creators: name: Duque-Ramos, Astrid
Publisher: name: Zenodo
Year: 2024

description: In this Repository there are a set of SPAR Ontologies mainly developed by David Shotton (University of Oxford) and Silvio Peroni (University of Bologna).  More information about SPAR Ontologies could be found in http://www.sparontologies.net. The version upload in this repository were downdload from the Github SPAROntologies in 2024-01-09.