bluuebunny/crossref_metadata_2025_split huggingface dataset:
Monitoring electrical energy in electronic energy audits through internet of things technology
Authors: Sulistyanto M P T , Pranata K B , Afandi A N , Sendari S , Sulistiyowati I 
Published: December 2019

Abstract
Energy conservation, especially electricity, can be done by conducting an energy audit. Energy audit activities can analyse and find energy-saving opportunities from energy use. This study developed a prototype of a wireless electrical energy monitoring system on a laboratory scale to monitor the use of electrical energy from both electrical equipment using a microcontroller as a sensor node. These nodes have installed several sensors, namely the current sensor, humidity sensor, temperature sensor and light sensor. The protocol used in communication between nodes and servers is the HTTP protocol in the Internet of Things design that can communicate using internet network intermediaries. Data on the server can be monitored in real time using the application on the client side.
Digitalisation trend in education during industry 4.0
Authors: Muktiarni M , Widiaty I , Abdullah A G , Ana A , Yulia C 
Published: December 2019

Abstract
This study synthesizes the findings of a study of the trend of digitalization of the education world in the face of the industrial revolution 4.0. The researched journal starts from 2015 to 2019. This paper focuses on the challenges and opportunities of industry 4.0, the development of industry 4.0 is characterized by the development of big data and artificial intelligence. Skills needed in this era or called big data and artificial intelligence, including advanced analytics, Internet of Things, and digital security. All fields of both education and industry in the world will be affected by the development of industrial revolution 4.0, a new pattern when disruptive technology is present so quickly that all circles especially education must be able to immediately adjust to industrial development 4.0. Therefore, the world of education and industry must be able to develop industrial transformation strategies by considering the human resources sector that has competence in their field. This is a challenge for the world of education in preparing the quality of human resources in order to adapt to industry 4.0. From several studies that have been carried out the trend of digitalization in the world of education as one of the dominant solutions carried out in the face of the industrial revolution 4.0, this is in line with the new pattern found in industry 4.0 namely disruptive technology.
Developing smartphone-based laboratory manual as a learning media
Authors: Suryanda A , Sartono N , Sa’diyah H 
Published: December 2019

Abstract
The purpose of this study was to develop a smartphone based laboratory manual as learning media for biology learning. This research was conducted using the ADDIE model (Analysis, design, development, implementation, and evaluation). The media feasibility test obtained an assessment of 90.28%, material experts 87.75%, biology teachers 91.37% and 88.46% students with very good interpretations. The increase in psychomotor ability test obtained a gain value of 0.49, which means there is an increase in psychomotor abilities of students with a moderate category. The conclusion obtained is that the smartphone-based laboratory manual has been successfully developed and is suitable for use in learning.
Locomotor basic movement skill instruments through games for elementary school
Authors: Sari E F N 
Published: December 2019

Abstract
The instrument of locomotor basic movement skills for elementary school students based game is a measurement tool to determine the eight learning outcomes of locomotor basic movement in early level students an age where fun activities are essential to them. This study aims to develop the instrument by identifying the characteristics of children generally at their age besides to analyse the current methods that have been used by teachers in elementary school. Literature review method was used in this research through pre-survey activities. The survey was carried out in 17 public elementary schools in Ciracas sub-district, East Jakarta. Early research results in, the indicator of locomotor basic movement’s scoring add up to 8, making test scoring form with scoring range 1 until 4 with observation test of locomotor basic movement skill which is conducted through playing puzzle activity. The results of this preliminary study recommended that puzzle games can be applied as an assessment tool for the locomotor basic movement of low-grade students in the elementary school, but with revisions to improve the final blueprint/prototype.
Investigating the effect of multimedia-based interactive basic techniques on futsal exercise variations
Authors: Iqbal M , Asmawi M , Tangkudung J 
Published: December 2019

Abstract
Futsal at a glance is similar to football. Likewise with variations when planning, when leading, shooting, and passing the ball. The choice is different between soccer and futsal which is located on a wide field between them. Extensive futsal fields are much smaller than a soccer field. This research was conducted in the area of Kusuma Cijantung, East Jakarta, Jakarta. This research was conducted in March-April. The research in this study discusses. About testing the effectiveness of variations of futsal training based on interactive multimedia. The population in this study were first semester students of STKIP Kusuma Negara Jakarta with one hundred twenty people. The part in this study was semester students from forty people randomly. The results of the study show that this variation is effective for use in futsal training or school learning.
Improving concept comprehension ability in mathematics by using mathematical model: Think-pair-share approach
Authors: Asria V Z 
Published: December 2019

Abstract
This study aims to investigate whether or not there the difference between students’ mathematics concept comprehension ability by using Think Pair Share (TPS) approach and by using direct learning reviewed based on their preliminary ability (high, medium, and low level). This research was a quasi experiment by using post-test only control group design that aimed to investigating the cause and effect by treating one of classes, and comparing the result of the class that was treated differently. Methods of data collection in this study through observation, documentation and test, involving 42 students of senior high school in Pekanbaru in the even semester of 2017. T test was used to analyse the data. The results showed that there are difference between students’ mathematics concept comprehension ability by using TPS approach and by using direct learning reviewed on their preliminary ability to learning outcomes. Classes with TPS approach give better learning outcomes than the ones in direct learning classes. Thus, in general the implementation of TPS approach influenced students’ mathematics concept comprehension ability reviewed based on their preliminary ability at Senior High School in Pekanbaru.
What are the difficulties in statistics and probability?
Authors: Puspitasari N , Afriansyah E A , Nuraeni R , Madio S S , Margana A 
Published: December 2019

Abstract
Statistics and probability are part of school math. But in reality, there are still many students who get poor grades in the subject. This study aims to find out on which indicators student experience difficulties in statistics and probability. The research method used was quasi-experimental with a total sample of 115 respondent. The result show that respondents’ difficulties in statistics and probability were difficulties in in probabilistic reasoning, combinatoric reasoning, and proof of variability in random variables. Based on the result obtained, to be able to understand statistic and probability properly, good mathematical logical thinking skill are needed.
Structure sense Mathematics with construct 2 and sticky notes
Authors: Sugilar H , Kariadinata R , Sobarningsih N , Agustina R D 
Published: December 2019

Abstract
The purpose of this study was to determine the ability of the mathematical structure sense and attitudes of students through learning with construct 2 and sticky notes. The design of this study was Quasi Experimental with a non-equivalent control group design model, the research subject of the first semester biology of education students who were studying elementary mathematics. The results showed that the low ability of students’ mathematical structure sense was caused by several factors including the low response of elementary mathematics learning students 43.24%, low ability of student symbol sense of students are 51, 64%, construct 2 needs to be developed to respond to students who have basic math learning difficulties 63.21%, and 74.56% of students state that sticky notes are easier to apply, understandable and more practical. The ability of the structure is influenced by the learning model and the media used.
Variable selection methods applied to the mathematics scores of Indonesian students based on convex penalized likelihood
Authors: Santi V M , Notodiputro K A , Sartono B 
Published: December 2019

Abstract
Variable selection is an important topic in linear regression analysis. In practice, a large number of predictors usually are introduced at the initial stage of modeling to attenuate possible modeling biases. stepwise deletion and subset selection are usually used which can be computationally expensive and ignore stochastic errors in the variable selection process. In addition, the best subset selection of variables suffers from several disadvantages, the most severe of which is its a lack of stability. In this article, penalized likelihood approaches are proposed to handle these kinds of problems. The proposed methods select variables and estimate coefficients simultaneously. Some of penalty functions are used to produce sparse solutions. Based on the RMSE and Generalized Information Criterion (GIC) criteria, it was found that the factors affecting Indonesian mathematics scores, where LASSO produces 11 important variables for the model while SCAD has 6 variables which mean that the LASSO model is more complex than SCAD. The MCP produces a simpler model with 5 important variables but has excessive biassed. The results also showed that the SCAD penalty function had the best performance compared to LASSO, Ridge and MCP. Ridge penalty has a worst performance based on all criteria.
Mathematical spatial and disposition ability through the wingeom application
Authors: Kariadinata R , Yaniawati R P , Juariah J , Susilawati W , Cahyana A 
Published: December 2019

Abstract
The purpose of this study was to determine the increase and achievement of mathematical spatial abilities based on high, medium, and low categories and to find out the attitudes of students towards learning through Wingeom. This research is a quasi-experimental study conducted on class IX students of one junior high school in Bandung Regency. Based on the data gain and posttest data it was stated that there were differences in the significant increase in mathematical spatial ability in both the PAM (pengetahuan awal matematika) category (early mathematical knowledge) and overall experience differences with the high mean. In general, students respond well to the use of learning media through the Wingeom application with an analysis of 2.76. Thus learning through the Wingeom application can be used as an alternative to improve the spatial abilities and mathematical dispositions of students.
The category of supermodules
Authors: Hadi I , Makmuri M , Sudarwanto S 
Published: December 2019

Abstract
Given a commutative algebra with unit element R and an R -module U, in this paper we will construct a category consists as objects all pairs of R -modules (N,M) where N is direct sum of U and M contains U . To define the morphisms between any two objects, we will identify an object (N,M) with an R -module E determined by N and M . By this method, we obtain a category denoted by CU
. Further, if W is a direct summand of U then there exists a functor from CU
to CW
.
Effect of problem based learning models on student skills in conducting validity and reliability test of objective question
Authors: Wulaningsih R D 
Published: December 2019

Abstract
Testing the validity and reliability of objective questions on PPEP (Perencanaan, Pengelolaan, dan Evaluasi Pembelajaran/Learning Planning, Management, and Evaluation) courses which is carried out at the Biology Education Program Study FMIPA UNJ demands thorough attention, considering the lecture material in this course is important to provide adequate knowledge for the students as prospective education graduate. Problem Based Learning Model is a cooperative learning model that focuses on student group work in the form of small groups, which consists of four to six people. Students in groups will work together in a positive way and become responsible independently. Data collection using pretest and post-test completed with documentation. The results of this study show that there is an influence of the problem-based learning model on students’ skills in testing the validity and reliability of objective questions on PPEP courses.
Bound state solutions of the Klein-Fock-Gordon equation with the sum of Manning-Rosen potential and Yukawa potential within SUSYQM
Authors: Ahmadov A. I. , Demirci M. , Aslanova S. M. 
Published: December 2019

Abstract
In this study, the bound state solutions of the Klein-Fock-Gordon equation are examined for the sum of Manning-Rosen and Yukawa potential by using a recent improved scheme to deal with the centrifugal term. For any l ≠ 0, the energy eigenvalues and corresponding radial wave functions are determined under the condition of equal scalar and vector potentials. In order to obtain bound state solutions, we use two different methods called supersymmetric quantum mechanics (SUSYQM) and Nikiforov-Uvarov (NU) methods. The identical expressions for the energy eigenvalues are obtained, and the expression of radial wave functions transformations to each other is revealed via both methods. For arbitrary l states, the energy levels and the corresponding normalized eigenfunctions are given in terms of the Jacobi polynomials. A closed form of the normalized wave function is also obtained. It is seen that the energy eigenvalues and eigenfunctions are sensitive to nr
radial and l orbital quantum numbers.
Generalized Four-Dimensional Effective Hadronic Supersymmetry based on QCD: New Results
Authors: Burdik Čestmir , Catto Sultan , Giircan Yasemin , Khalfan Amish , Kato La V. , Yu Enxi 
Published: December 2019

Abstract
New results are shown on the generalization of phenomenological hadronic supersymmetry based on QCD as an extension of spin-flavor SU(6) symmetry. A more general supersymmetric extension of the group SU(6/21) will be given with applications to pentaquark and tetraquark states for which there is a great deal of ongoing research.
Coherent states for rational extensions and ladder operators related to infinite-dimensional representations
Authors: Hoffmann Scott E. , Hussin Véronique , Marquette Ian , Zhang Yao-Zhong 
Published: December 2019

Abstract
The systems we consider are rational extensions of the harmonic oscillator, the truncated oscillator and the radial oscillator. The wavefunctions for the extended states involve exceptional Hermite polynomials for the oscillator and truncated oscillator and exceptional Laguerre polynomials for the radial oscillator. In all cases it is possible to construct ladder operators that have infinite-dimensional representations of their polynomial Heisenberg algebras and couple all levels of the systems. We construct Barut-Girardello coherent states in all cases, eigenvectors of the respective annihilation operators with complex eigenvalues. Then we calculate their physical properties to look for classical or non-classical behaviour.
Confluent hypergeometric expansions of the confluent Heun function governed by two-term recurrence relations
Authors: Ishkhanyan T A , Krainov V P , Ishkhanyan A M 
Published: December 2019

Abstract
We show that there exist infinitely many nontrivial choices of parameters of the single confluent Heun equation for which the three-term recurrence relations governing the expansions of the solutions in terms of the confluent hypergeometric functions 1
F
1 and 0
F
1 are reduced to two-term ones. In such cases the expansion coefficients are explicitly calculated in terms of the Euler gamma functions.
Application of geometrical methods to study the systems of differential equations for quantum-mechanical problems
Authors: Krylova Nina , Voynova Yanina , Balan Vladimir 
Published: December 2019

Abstract
A geometrical method based on the structural stability theory is used to study systems of differential equations which arise in quantum-mechanical problems. We consider a 1/2-spin particle in external Coulomb field or in the presence of magnetic charge on the background of the de-Sitter space, and a free 3/2-spin particle in spherical coordinates of the flat space. It turns out that the first and the second Kosambi-Cartan-Chern invariants are nontrivial for the corresponding systems, while the 3-d, 4-th and 5-th invariants identically vanish. From physical point of view, the second invariant determines how rapidly the different branches of the solution diverge from or converge to the intersection points, while the most interesting are the singular points. The convergence (divergence) near the singular points r = 0, 1 are shown to correlate with the behavior of solutions for quantum mechanical states (discrete and continuous spectra). The vanishing of the 3-d, 4-th and 5-th invariants geometrically implies the existence of a nonlinear connection on the tangent bundle, having zero torsion and curvature.
Hidden Supersymmetries of Deformed Supersymmetric Mechanics
Authors: Sidorov Stepan 
Published: December 2019

Abstract
We consider quantum models corresponding to superymmetrizations of the two-dimensional harmonic oscillator based on worldline d = 1 realizations of the supergroup SU( N/2 |1), where the number of supersymmetries N is arbitrary even number. Constructed models possess the hidden supersymmetry SU( N/2 |2). Degeneracies of energy levels are spanned by representations of the hidden supersymmetry group.
The NSVZ relation and the NSVZ scheme for N = 1 non-Abelian supersymmetric theories, regularized by higher covariant derivatives
Authors: Stepanyantz Konstantin 
Published: December 2019

Abstract
We discuss, how the exact NSVZ -function appears in N = 1 supersymmetric non-Abelian gauge theories, regularized by higher covariant derivatives. In particular, we demonstrate that the renormalization group functions defined in terms of the bare couplings satisfy the NSVZ relation in the case of using this regularization. This occurs, because the loop integrals giving the -function are integrals of double total derivatives with respect to loop momenta. It is also shown that for the renormalization group functions standardly defined in terms of the renormalized couplings the NSVZ scheme can be obtained if the theory is regularized by higher covariant derivatives and only powers of ln/µ are included into the renormalization constants. These statements are confirmed by the explicit calculations in the three-loop approximation, where the scheme dependence is essential.
Topological Bounds from Label Translation Symmetry of Non-Barotropic MHD
Authors: Yahalom Asher 
Published: December 2019

Abstract
The theorem of Noether dictates that for every continuous symmetry group of an Action the system must possess a conservation law. In this paper we discuss some subgroups of Arnold’s labelling symmetry diffeomorphism related to non-barotropic magnetohydrodynamics (MHD) and the conservations laws associated with them. Furthermore, we will study the dynamical bounds resulting from the topological Noether currents associated with label translation symmetry groups.
PTC1 and PTC2: New Indices of Blood Pressure Waveforms and Cardiovascular Disease
Authors: Brumback Lyndia C , Jacobs David R , Duprez Daniel A 
Published: December 2019

AbstractSystolic and diastolic blood pressures provide information about cardiovascular disease (CVD) but are only extremes of the pressure waveform during the cardiac cycle. We developed summaries of the pressure decay, called PTC1 and PTC2, that are related to arterial compliance and to an existing proprietary summary that has been shown to predict CVD. We derived the summaries from a Windkessel model (consisting of a decaying exponential plus a dampened cosine, with an intercept so they are independent of calibration with blood pressure, unlike the proprietary measures), and we estimated them using nonlinear least squares with standard, free software. Among 6,228 adults from the Multi-Ethnic Study of Atherosclerosis, initially free of CVD in 2000–2002, mean PTC2 was 94 (standard deviation, 46) milliseconds. During median 15-year follow-up, there were 911 CVD events (including 609 incidents of coronary heart disease and 270 strokes). One-standard-deviation higher PTC2 was associated with 17% (95% confidence interval: 10, 24) lower CVD risk, after adjustment for traditional risk factors. Results were similar for PTC1. PTC1 and PTC2 are relatively straightforward to compute and add information beyond traditional risk factors for prediction of CVD. Our work enables others to replicate and extend our results with waveforms from any suitable device.
AQUA-DUCT 1.0: structural and functional analysis of macromolecules from an intramolecular voids perspective
Authors: Magdziarz Tomasz , Mitusińska Karolina , Bzówka Maria , Raczyńska Agata , Stańczak Agnieszka , Banas Michał , Bagrowska Weronika , Góra Artur 
Published: December 2019

Abstract

Motivation
Tunnels, pores, channels, pockets and cavities contribute to proteins architecture and performance. However, analysis and characteristics of transportation pathways and internal binding cavities are performed separately. We aimed to provide universal tool for analysis of proteins integral interior with access to detailed information on the ligands transportation phenomena and binding preferences.

Results
AQUA-DUCT version 1.0 is a comprehensive method for macromolecules analysis from the intramolecular voids perspective using small ligands as molecular probes. This version gives insight into several properties of macromolecules and facilitates protein engineering and drug design by the combination of the tracking and local mapping approach to small ligands.

Availability and implementation
http://www.aquaduct.pl.

Supplementary information
Supplementary data are available at Bioinformatics online.
Incidence of Adverse Psychiatric Events During Treatment of Inflammatory Bowel Disease With Biologic Therapies: A Systematic Review
Authors: Jain Avni , Marrie Ruth Ann , Shafer Leigh Anne , Graff Lesley A , Patten Scott B , El-Gabalawy Renée , Sareen Jitender , Bolton James M , Fisk John D , Bernstein Charles N 
Published: December 2019

Abstract
We conducted a systematic review and a fixed-effects meta-analysis to determine whether incident adverse psychiatric events (APE) including depression, anxiety, psychosis, or suicide were associated with biologic therapy in IBD. Six randomized controlled trials and a cohort study met criteria, reporting an incidence of APE in 4,882 patients. The risk difference per 100 person-months of any APE with a biologic medication was 0.01 (95% confidence interval = 0.00–0.02). There was insufficient evidence available in randomized controlled trials to conclude that biologic therapy in IBD is associated with an increased incidence of APE.