bluuebunny/crossref_metadata_2025_split huggingface dataset:
Evaluation metrics for anomaly detection algorithms in time-series
Authors: Kovács György , Sebestyen Gheorghe , Hangan Anca 
Published: January 2020

Abstract
Time-series are ordered sequences of discrete-time data. Due to their temporal dimension, anomaly detection techniques used in time-series have to take into consideration time correlations and other time-related particularities. Generally, in order to evaluate the quality of an anomaly detection technique, the confusion matrix and its derived metrics such as precision and recall are used. These metrics, however, do not take this temporal dimension into consideration. In this paper, we propose three metrics that can be used to evaluate the quality of a classification, while accounting for the temporal dimension found in time-series data.
On some L(2, 1)-coloring parameters of certain graph classes
Authors: Anjali G. , Sudev N. K. 
Published: January 2020

Abstract
Graph coloring can be considered as a random experiment with the color of a randomly selected vertex as the random variable. In this paper, we consider the L(2, 1)-coloring of G as the random experiment and we discuss the concept of two fundamental statistical parameters – mean and variance – with respect to the L(2, 1)-coloring of certain fundamental graph classes.
Students’ Beliefs on Classroom Didactics of Second Language Teaching in the 21st Century
Authors: Sántha-Malomsoki Ágnes , Sántha Kálmán 
Published: January 2020

Abstract
This paper is about the views and beliefs of students, participating in technology-enhanced CLIL (content and language integrated learning) teaching in the senior section of a Hungarian primary school, about the English language, language learning, English classes, and the activities of their teachers. The study is based on mixed methods and a verbal fluency test as well as structured interviews. This paper presents the findings of the structured interview in the case of N = 7 students. The processing of the structured interviews was done using qualitative content analysis, combining deductive and inductive logic. During deductive content analysis, a code list was set up, followed by an inductive exploration of text segments. The reliability of coding was ensured by intercoding. According to the results, students taking part in technology-enhanced CLIL teaching saw language learning as a speech-based process. As for teaching activities, it was found that there were differences between problem-centred and activity-based technology-enhanced teaching and traditional methods based on a classical methodology. 1
Preschoolers’ Metaphor Comprehension. Methodological Issues in Experimental Pragmatics
Authors: Babarczy Anna , Balázs Andrea , Krizsai Fruzsina 
Published: January 2020

Abstract
There exists a variety of theoretical frameworks attempting to account for the nature, comprehension, and use of everyday metaphor. Since these frameworks use different operational definitions of metaphor, they tend to view the psycholinguistic process of comprehending metaphorical language and the various factors that may play a role in metaphor processing from different perspectives. The first part of the paper briefly summarizes four of these theoretical approaches to everyday metaphor (Conceptual Metaphor Theory, Similarity Theory, Relevance Theory, and the Optimal Innovation Hypothesis) and discusses some consequences of the diversity of theories that present a puzzle or prove to be undesirable for empirical research. The areas discussed include the various dimensions of metaphor categorization, the role of linguistic context, and the effects of linguistic and non-linguistic cognitive skills of the comprehender. Drawing on the discussion in the first part, the second part of the paper outlines an experiment designed with reference to Giora’s Optimal Innovation Hypothesis in which preschoolers’ metaphor comprehension is explored as a function of the familiarity of the expression’s literal meaning and the perceived creativity of the metaphorical use. This experiment further explores the relationship between children’s metaphor comprehension and other cognitive abilities such as intention attribution. This method allows us to quantify metaphor comprehension and preference in the context of pragmatic development and general cognitive skills.
In between Language Teaching Methods: Do We Need (to Know About) Methods at All?
Authors: Nagy Imola Katalin 
Published: January 2020

Abstract
In this study, we attempt to approach the problem of foreign language teaching from the viewpoint of language pedagogy development in different historical periods: from the grammar translation method through the audio-lingual approaches and up to communicative and post-communicative methods. We have come today to reconsider the role and status of language teaching not only because globalization has produced an increase in the number of speakers of English all around the world but also due to the fact that the issue of localization (of language teaching methods and techniques) has also come to the fore. This meta-analytical article circumscribes a number of popular methods amongst which teachers can choose, and we also try to summarize the most important foreign language teaching methods that can be spotted in the era of what is presently called the post-method condition.
Border Crossing of an Educational Policy Towards an Analytical Framework to Study Educational Transfer
Authors: Hangyál Zsófia 
Published: January 2020

Abstract
This paper aims to better understand the process of educational transfer from Western countries to developing ones by proposing an analytical framework. The framework, besides counting for the major challenges of a specific educational transfer, also proposes to analyse some of the factors of different cultural-educational contexts that may help or burden institutional innovation. The framework had been tested by case study research focusing on the educational transfer of liberal arts colleges from the Netherlands to China. In the cities of Chongqing and Taigu, two undergraduate colleges grounded the case of investigation in order to study the experiential perceptions of stakeholders shortly after the implementation of liberal arts programmes (2012). Meanwhile, the data revealed different interest groups and particular institutional constrains, and the analytical framework greatly helped to understand and illustrate issues of compatibility, acceptance, mobilization of different stakeholders, and strategies for both individual and institutional agency. As the research contributed to a dissertation essay completed in 2016 at Beijing Normal University, the present study’s objective is to highlight the importance of analytical framework(s) in the process of interpreting data into research findings.
Influence of the Structure of Seersucker Woven Fabrics on their Friction Properties
Authors: Frącczak Łukasz , Matusiak Małgorzata 
Published: January 2020

Abstract
Friction is defined as a force resisting a relative motion between two bodies in contact. The friction of a fabric on itself or on another fabric influences significantly a fabric’s performance and user’s utility comfort, especially the so-called sensorial comfort. Generally, the coefficient of friction is determined for a given pair of materials. The aim of the present work was to investigate the influence of the structure of the seersucker woven fabrics on their frictional properties. Three variants of the seersucker woven fabrics of different repeat of the seersucker effect were the objects of the investigations. Three measuring elements were applied: made of aluminum and steel and covered with silicone. The obtained results confirmed the influence of the pattern of the seersucker effect on the values of friction coefficient. It was also stated that there are differences between the friction coefficients measured in the warp and weft directions of the seersucker woven fabrics. Values of friction coefficient between the seersucker woven fabrics and measuring elements were the highest for the measuring element covered by silicone. These values were several times higher than the values of friction coefficient measured using the measuring elements made of aluminum and steel.
Spin Coating Method Fabricated of In2O3 Thin Films
Authors: Benramache Said , Aoun Yacine 
Published: January 2020

Abstract
In this work, the In2O3 thin films have been fabricated using a spin coating technique; this technique was prepared in our laboratory. The effect of the layer times (3, 5, 7 and 9 times) on optical and structural properties was investigated. In2O3 thin films were fabricated by dissolving 0.2 M of the indium chloride dehydrate InCl3.2H2O in the absolute H2O. The In2O3 thin films were crystallized at a temperature of 600 °C with pending time of 1 hour. The optical property shows that the prepared In2O3 thin films for 3 and 5 times have a transmission of about 85 %. The maximum bandgap energy was 3.69 eV for 5 times and the lowest Urbach energy was 0.47 eV for 9 times. From XDR all fabricated In2O3 thin films having one diffraction crystal plan is (222) peak intensity, this attribution have good crystalline structure with minimum crystallite size of the (222) plan is 59.69 nm. The prepared In2O3 thin films can be used in photovoltaic applications due to the existing phase and higher transmission.
Comparison study between SVPWM and FSVPWM strategy in fuzzy second order sliding mode control of a DFIG-based wind turbine
Authors: Benbouhenni Habib 
Published: January 2020

AbstractIn this work, we present a new fuzzy second-order sliding mode controller (FSOSMC) for wind power transformation system based on a doubly-fed induction generator (DFIG) using intelligent space vector pulse width modulation (SVPWM). The proposed command strategy combines a fuzzy logic and a second order sliding mode control (SOSMC) for the DFIG command. This strategy presents attractive features such as chattering-free, compared to the conventional first and second order sliding mode techniques. The use of this method provides very satisfactory performance for the DFIG command. The effectiveness of this command strategy is proven through the simulation results.
EEG data processing with neural network
Authors: Majoros Tamás , Ujvári Balázs , Oniga Stefan 
Published: January 2020

Abstract
Machine-learning techniques allow to extract information from electroencephalographic (EEG) recordings of brain activity. By processing the measurement results of a publicly available EEG dataset, we were able to obtain information that could be used to train a feedforward neural network to classify two types of volunteer activities with high efficiency.
A Reconfigurable High-Q Antenna for Automotive Applications
Authors: Crișan Nicolae 
Published: January 2020

Abstract
This paper is a review of the way in which the high-quality factor antennas can be used to integrate the VHF and HF car’s antennas in one device. The usage of the citizen band (CB) antennas in an HF band extends the environmental awareness of the driver and could increase the safety of the traffic. Usually, the citizen band transceiver with its antenna isn’t installed in a brand new car but the FM radio receiver it is. The main constraints that are related to the size difference between the two antennas (in FM and CB) make the main car manufacturers let the matter regarding the CB usage, open, at the choice of the buyer. The paper analyzes the technological advancements in the field and investigates some alternatives to the issue that will allow an opening through a single antenna usage for both radio bands.
Modeling and Electrical Characterization of Josephson Junction Using Approximation in the sense of Least Squares
Authors: Mostefai Abdelkrim 
Published: January 2020

Abstract
In order to be able to realize out the mixing detection or harmonic generation functions, a non-linear circuit is necessary for different existing devices and for performing these types of operation, in the submillimetric and / or far-infrared domains (10 μm ≤ λ ≤ 1 mm), the spectral margin covered by this radiation ranging from 300 GHz to 30 THz. In these frequency domains, non-linear point devices are often used, unlike the optical domain where massive devices are widely used, among them the Josephson Junction (JJ) is mainly used in the case where low noise is desired. This paper present electrical characteristic of Josephson Junction (JJ) using Approximation in the sense of Least Squares, for different value of Cj, T, Rj.
Modelling walking accessibility: A case study of Ljubljana, Slovenia
Authors: Tiran Jernej , Lakner Mitja , Drobne Samo 
Published: January 2020

Abstract
Walkable access is recognised as one of the most important factors for deciding to walk instead of using other modes of transport. Distance has been less accurately taken into consideration in previous walking accessibility measures, however, as they are often based on an isotropic approach or on a fixed distance threshold. The objective of this paper is to present a method of modelling continuous walking accessibility to different amenities in a city, with an integrated network-based and distance-decay approach, applied to a case study of the city of Ljubljana, Slovenia. The approach is based on a web survey to obtain data on acceptable walking distances to different types of amenities. Several distance decay functions were analysed for each type of amenity from the cumulative frequency of responses. The best fitting functions were used to model the walking accessibility surfaces for individual amenities in the network, representing five domains (retail, services, recreation, education and transportation) and an overall walking accessibility index. Despite certain limitations and a further need to assess the validity of the methods, our distance-decay network-based approach is more accurate than the isotropic or even network-based modelling of walking distances in continuous or threshold approaches, as it enables the researcher to take into account the differences in propensities to walk to different amenities. The results can be used by city authorities and planners for implementing actions to improve walking accessibility in the most problematic areas.
Citizen science as a new approach in Geography and beyond: Review and reflections
Authors: Trojan Jakub , Schade Sven , Lemmens Rob , Frantál Bohumil 
Published: January 2020

Abstract
Issues related to the evolving role of citizen science and open science are reviewed and discussed in this article. We focus on the changing approaches to science, research and development related to the turn to openness and transparency, which has made science more open and inclusive, even for non-researchers. Reproducible and collaborative research, which is driven by the open access principles, involves citizens in many research fields. The article shows how international support is pushing citizen science forward, and how citizens’ involvement is becoming more important. A basic scientometric analysis (based on the Web of Science Core Collection as the source of peer reviewed articles) provides a first insight into the diffusion of the citizen science concept in the field of Geography, mapping the growth of citizen science articles over time, the spectrum of geographical journals that publish them, and their citation rate compared to other scientific disciplines. The authors also discuss future challenges of citizen science and its potential, which for the time being seems to be not fully utilized in some fields, including geographical research.
Gender and Overconfidence in the Kauffman Firm Survey
Authors: Young Baek , Florence Neymotin 
Published: January 2020

Abstract
While an emerging line of research has begun to examine how firm survival correlates with the psychological trait of overconfidence, almost none of this work looks at how this relationship is mediated or modified by the minority status of the individual within the area of entrepreneurship. We employ a proportional hazard survival model and analyze the Kauffman Firm Survey (KFS) of entrepreneurs during the period of 2004-2012. We find that, while overconfidence relates to firm survival, it is more strongly related to survival for female than for male entrepreneurs. Our analysis is unique in examining the trait of overconfidence for small firm survival, and it is the first that we know of to stratify the effects of this overconfidence by gender. The present work has implications for possible methods and strategies to promote the entrepreneurship of individuals from underrepresented groups, with an eye towards owner-overconfidence helping female-led firms to survive the first few years of a firm’s existence.
The Role of Cohesion Policy in the Development of Romania
Authors: Paul Lucian 
Published: January 2020

Abstract
Cohesion is a common European value. The E.U.’s cohesion policy is and will remain an essential financing instrument for various multiannual development programs, for both member states and regions. This policy contributes to the development of the European Union, by reducing disparities between regions, generating jobs and increasing GDP per capita. The current paper aims to highlight several accomplishments and failings of the current cohesion policy, with a particular focus on post-2007 Romania, as well as taking a look at the future policy, envisioned for 2021 - 2027. The cohesion fund is making investments in areas such as digital infrastructure, innovation, combating climate change, ecological transition, energy, health and others. The main criterion on which this kind of financing is made is GDP per capita; however, other criteria have been added as well: youth unemployment, level of education, climate change and likely, migrant integration, in the near future. The European Commission proposes that, for the next multiannual financial framework, namely 2021 - 2027, local authorities become more involved in managing E.U. funds, particularly cohesion funds. Several new elements have been identified, for this following time frame, which will contribute to the modernization of the cohesion policy; they include investments across all regions, making them more accessible to E.U. citizens, making it more adapted to regional development and linking it to the European semester.
The Effect of Credit Collection Policy on Portfolio at Risk of Microfinance Institutions in Tanzania
Authors: Danstun Ngonyani , Harun Mapesa 
Published: January 2020

Abstract
This paper presents the results of the study on the effect of credit collection policy on portfolio at risk of microfinance institutions in Tanzania. The study used cross-sectional survey data of microfinance institutions in three regions of Dar es salaam, Morogoro and Dodoma. Random sampling was employed to obtain a sample of 219 respondents in all three regions. Multiple linear regression analysis was used to determine the effect of credit collection policy on portfolio at risk of microfinance institutions. Results show that, there is a positive relationship between interest rates charged and portfolio at risk of microfinance institutions. On the other hand, the variable for grace period on loans and loan sizes to borrowers had a negative relationship with portfolio at risk of microfinance institutions. The study recommends that, microfinance institutions in Tanzania need to reconsider the interest rates charged to their clients to enhance sustainability of their loan portfolios. Moreover, microfinance institutions need to enhance provision of grace period to their customers. Also, establish efficient loan product sizes which suffice diverse client’s needs. That would encourage and broaden client repayments, contribute to financial performance and reduced risk of portfolio of microfinance institutions.
Bitcoin in the Scientific Literature – A Bibliometric Study
Authors: Ramona Orăștean , Cristina Mărginean Silvia , Raluca Sava 
Published: January 2020

Abstract
Since 2012, there has been growing interest in bitcoin scientific research from different fields, including computer science and engineering, economics, business and finance, law and regulatory. The purpose of this paper is to evaluate bitcoin literature based on the structures and networks of science, as a first step in the research of this new phenomenon. Analysing the growing scientific literature on bitcoin published between 2012 and 2019, we provided useful insights on academic research in this field regarding publication year, type and category, authors, journals and citations. The source of the 887 documents which support the study was Web of Science Core Collection. Using VOSviewer software we have designed bibliometric maps based on text and bibliographic data. Our study provides a knowledge area map that identifies and evaluates the links between authors and countries distribution, the conceptual structure of the field, the structure and connections of most cited papers and journals. Resuming our findings, we note a concentration of the interest on some keywords (bitcoin, cryptocurrency, blockchain) and on some influential authors (with more than 100 citations per article). As a pure expression of digital economy, the research on bitcoin as an economic concept counts only 33.5% from the total contributions in the field.
Development of EST microsatellite markers for the Tasmanian palaeoendemic conifer Lagarostrobos franklinii (Hook. f.) Quinn (Podocarpaceae)
Authors: Marthick James R. , Larcombe Matthew J. , Worth James R. P. 
Published: January 2020

Abstract
Nuclear Expressed Sequence Tag (EST) microsatellite markers were developed for the Tasmanian palaeoendemic conifer Lagarostrobos franklinii (Hook.-f.) Quinn for genetic studies. RNAseq data was mined for EST microsatellites, and primer pairs were synthesised from 70 contigs with 50 producing amplification products. Of these 50, 10 reliably amplified and displayed polymorphism across 8 samples representing the entire species range. The genetic diversity of these 10 loci was then examined in three wild populations (84 samples). The number of alleles varied from two to thirteen per locus with the average number of alleles per population ranging between 3.0 – 4.7. Observed and expected heterozygosity ranged from 0.34 – 0.42 and 0.37 – 0.44, respectively. Marker cross-amplification was tested in the New Zealand sister species Manoao colensoi (Hook. f.) Molloy, but no markers amplified reliably, which possibly reflects the age of divergence between these species (~64 million years). These are the first microsatellite markers developed for the monotypic genus Lagarostrobos. They will be valuable for assessing the species extant genetic diversity, the impact of past climatic perturbations and human disturbance and the role of clonal propagation in recruitment.