bluuebunny/crossref_metadata_2025 huggingface dataset:
Line and Subdivision Graphs Determined by

T
4

-Gain Graphs
Authors: Alazemi Abdullah , Anđelić Milica , Belardo Francesco , Brunetti Maurizio , da Fonseca Carlos M.
Published: October 2019

Let T 4 = { ± 1 , ± i } be the subgroup of fourth roots of unity inside T , the multiplicative group of complex units. For a T 4 -gain graph Φ = ( Γ , T 4 , φ ) , we introduce gain functions on its line graph L ( Γ ) and on its subdivision graph S ( Γ ) . The corresponding gain graphs L ( Φ ) and S ( Φ ) are defined up to switching equivalence and generalize the analogous constructions for signed graphs. We discuss some spectral properties of these graphs and in particular we establish the relationship between the Laplacian characteristic polynomial of a gain graph Φ , and the adjacency characteristic polynomials of L ( Φ ) and S ( Φ ) . A suitably defined incidence matrix for T 4 -gain graphs plays an important role in this context.
PRISEC: Comparison of Symmetric Key Algorithms for IoT Devices
Authors: Saraiva Daniel A. F. , Leithardt Valderi Reis Quietinho , de Paula Diandre , Sales Mendes André , González Gabriel Villarrubia , Crocker Paul
Published: October 2019

With the growing number of heterogeneous resource-constrained devices connected to the Internet, it becomes increasingly challenging to secure the privacy and protection of data. Strong but efficient cryptography solutions must be employed to deal with this problem, along with methods to standardize secure communications between these devices. The PRISEC module of the UbiPri middleware has this goal. In this work, we present the performance of the AES (Advanced Encryption Standard), RC6 (Rivest Cipher 6), Twofish, SPECK128, LEA, and ChaCha20-Poly1305 algorithms in Internet of Things (IoT) devices, measuring their execution times, throughput, and power consumption, with the main goal of determining which symmetric key ciphers are best to be applied in PRISEC. We verify that ChaCha20-Poly1305 is a very good option for resource constrained devices, along with the lightweight block ciphers SPECK128 and LEA.
ESTUDO PARA O DESENVOLVIMENTO DE APLICATIVO BASEADO EM INTELIG�NCIA ARTIFICIAL PARA CAPTA��O DE VOLUNT�RIOS PARA ATUA��O NO 3� SETOR COM DISPONIBILIZA��O DE A��ES NO 2� SETOR
Authors: Souza Diego Leal , Sousa Aline Gon�alves , Messias Daniel Colantuano , Almeida Henrique Rodrigues
Published: October 2019

O objetivo do presente estudo � propor uma solu��o tecnol�gica para aux�lio no desenvolvimento de projetos sociais atrav�s da interliga��o entre volunt�rios, Segundo e Terceiro Setores. A metodologia empregada no artigo engloba pesquisas referentes � realiza��o de projetos sociais, bem como o estudo de tecnologias modernas, como HTML, Java Script e Cloud Computing, atreladas � Intelig�ncia Artificial estas pesquisas e tecnologias possibilitam o desenvolvimento da ferramenta em quest�o. Espera-se que com o levantamento das informa��es e desenvolvimento da ferramenta seja criado um ciclo de benef�cios m�tuo, onde volunt�rios obtenham oportunidades de voluntariado e empresas e ONGs um aumento na capta��o de recursos humanos, gerando impulso no desenvolvimento dos projetos. O presente estudo pode ser utilizado para exposi��o do tema projetos sociais, uma vez que h� o crescimento da quantidade de indiv�duos que necessitam de alguma assist�ncia enquanto h� uma defasagem na quantidade de volunt�rios.
ESTUDO COMPARATIVO SOBRE A COMPUTA��O UB�QUA E SUAS APLICA��ES
Authors: Gomes Fabio Fonseca Barbosa , De Oliveira Leandro Fernandes , Santos Danillo De Jesus
Published: October 2019

Este presente artigo tem como objetivo discutir sobre a computa��o ub�qua e sua import�ncia. A computa��o ub�qua tem como caracter�sticas fundamentais o uso de aparelhos port�teis e a comunica��o sem fio, o que facilita a vida do usu�rio em diversos contextos, como apagar ou acender uma l�mpada sem levantar do sof� atrav�s do seu aparelho de celular ou abrir o port�o da sua garagem.� A computa��o ub�qua surge em um contexto onde diversas inova��es tecnol�gicas vem � tona ao p�blico afim de solucionar problemas cotidianos na vida dos usu�rios. Durante esse artigo ser�o relatados casos onde essa tecnologia pode ser �til para solucionar problemas em diversos contextos.� �
PEGARUH PENGGUNAAN MODEL PEMBELAJARAN KOOPERATIF DAN GAYA BELAJAR KOGNITIF TERHADAP HASIL BELAJAR ILMU PENGETAHUAN SOSIAL
Authors: Nasution Nursanita , Nurulah Acep
Published: October 2019

This study aims to determine the effect of cooperative learning models and studentlearning styles on the results of learning Social Sciences. Conventional learning models thatrely on reading books, multiplying practice exercises, teacher explanations in the classroom,students are expected to be more diligent in practicing questions suspected of influencingsocial studies learning outcomes. Conventional models are considered to be less than optimal,because basically students will easily feel bored because they have to open sheets per sheetby understanding the contents of the book and listening to the teacher's explanation in frontof the class verbally.This study uses an experimental comparison method containing activities planned and carriedout by researchers, 2x2 factorial design in this study to find out whether there are differencesin social studies learning outcomes between students who obtain learning with cooperativelearning models and students who obtain conventional learning. The population in this studywere all eighth grade students of Al-Kamil Middle School Islamic Boarding School in CianjurRegency, West Java. Affordable population there are eighth grade students of Al-KamilMiddle School Islamic Boarding School District. Cianjur numbered 120 students. The resultsof this study indicate that there is an interaction effect between learning models and learningstyles on the results of social studies learning at Al-Kamil Middle School Islamic BoardingSchool. Learning outcomes of students who have independent learning styles and followcooperative learning models are higher than students' learning outcomes that followconventional learning models. Likewise the learning outcomes of students who havedependent learning styles and follow cooperative learning models are higher than students'learning outcomes that follow conventional learning models
PENERAPAN SOCIODRAMATIC PLAY UNTUK MENINGKATKAN PENGUASAAN KOSAKATA DAN MOTIVASI BELAJAR SISWA
Authors: Laksmi Sheila Widya , Sudibjo Niko
Published: October 2019

The mastery of English vocabulary and student motivation have received agreat deal of attention in Sekolah Victory Plus (SVP) Kindergarten. English is used as thelanguage of instruction in all Kindergarten classes. In addition, students are alsoencouraged to express their feelings and opinions in English. The lack of Englishvocabulary in EY 2 Jupiter students have led to a decrease in students’ motivation inusing English in daily learning and conversation. Therefore, students of EY 2 Jupiter needto be equipped with a proficient English vocabulary so that they can be motivated toexpress opinions clearly and to understand any explanation by teachers during lessons.The aim of this research is applying sociodramatic play method to improve Englishvocabulary mastery on garment and learning motivation of students in EY 2 Jupiter. Thisresearch is a Class Action Research (CAR) with three cycles. Each cycle consists of onemeeting where the subject of research is 18 students of Class EY 2 Jupiter at SVP TKVictory Plus. The data collection was done by conducting observations, tests,questionnaires and interviews and were then analyzed descriptively qualitative. Theresults showed that applying the method of sociodramatic play has led to an increase invocabulary mastery in English and students’ learning motivation
IMPLEMENTASI MODEL COLT (TIPE STRUCTURED PROBLEM SOLVING) DAN PENGARUHNYA TERHADAP KEMAMPUAN PEMECAHAN MASALAH BAGI SISWA SMA
Authors: Na Sudarman
Published: October 2019

Future education requires a pattern of education that is able to preparegenerations who are able to face and adapt to the global community. The challenge requiresa learning model that guides students to be able to think critically and be skilled in solvingproblems. This study aims to describe the application of the CoLT model in the learningprocess and find the superiority of the CoLT learning model to the ability to solve problemsand prove whether this collaborative learning model is superior and in accordance with theconditions and characteristics of students in East Kalimantan. The research method of thisstudy was designed using quasi-experimental research methods (quasi experimental) withrandomized pretest-posttest kontrol group design and survey methods to obtain qualitativedata. The research subjects in this study were high school students of class XI IPS who werein Bontang, Mahulu, Kutai Kartanegara and Samarinda, each of the two classes as theexperimental class and the kontrol class, so the total number was 8 classes, with a totalkontrol class of 122 respondents and experimental class 116 respondents. Research resultsshow student response to the implementation of learning with the CoLT Model is very good, itis illustrated by the percentage of pleasure with the learning with a score of 84%, theresponsibility in the excellent category is strengthened by the ability to interact with the groupis also good, and the end result of the response learning achievement and performanceimprovement 83%. Based on the results of problem solving skills, class students who learn touse the CoLT model have higher abilities than students in the kontrol class who learn to usedirect (traditional) learning models.
AGAMA DAN KEPRIBADIAN (KAJIAN PENDEKATAN TEKNOLOGI PENDIDIKAN)
Authors: Hadi Abdul
Published: October 2019

Most Ofall Religions Andislam Without Exception, Are Has Theirs Own View OnPersonality, Either Directly Or Indirectly. This Study Aims To Explain The Religious ValuesAnd Personality According To Islamic Point Of View and education technology approach. ToAchieve This Goal The Author Take Referrence On Two Main Sources Of Knowledge InIslamic Philosophy, Namely: First, Divine Knowledge (Revelation) The Essence Of TruthWhich Is Believed To Right All The Times By The Adherents Of Islam. The Second Is TheParaneal Knowledge (Science) Which Is The Observations Rezult Of Scientists AndPhilosopy About God, Humans, And The Universe. Implementing for concept and prinsip ofvalues them need to be concreted in order the values of then can be measured byeducational tecnology approach. The Approach Used In This Study Is The QualitativeMethod With A Library Research Of Islamic Treasures Related To This Title. Religion AndPersonality Are Like Two Sides Of A Metal Currency Surface Where One And The OtherCannot Be Separated, The Islamic Teachings In Human Behviours Are Believed To Be TheMost Important Components In Personality In Order To Accordance With Their OriginalNature.
PENGARUH PENGGUNAAN MODEL PEMBELAJARAN MIND MAPPING DAN KECERDASAN SPASIAL TERHADAP HASIL BELAJAR SEJARAH INDONESIA
Authors: Na Muniroh , Yasin Fahri
Published: October 2019

The influence of the use of mind mapping learning model and spatial intelligenceon the leaning outcomes of Indonesian history. This study aims to examine the differences inIndonesian historical learning using mind mapping learning model is superior to the lecturelearning model, This research is using experimental method. The target population of allstudents of class X SMK Kary Guna Bhakti 1 in the city of Bekasi. Samples taken with multistage random sampling technique. With this technique, two classes were taken for researchactivities, namely class 10C as experimental class and 10A as control class, from each classof 36 students. Techniques of data retrieval analysis using descriptive and inferential analysisof two-track ANAVA to test the hypothesis followed by Tukey or Schffe test. Testing ofstatistic prerequisite includes testing normality with kolmogorof smirnof and homogeneitytesting using anova one way. The results of statistical tests show that the data of the threevariables are normal and homogeneous. The results show that: first, the difference oflearning history of Indonesia by using mind mapping learning model is more superior thanlecture learning model. Second, there is the influence of learning model interaction withspatial intelligence to the learning result of Indonesian history. Thirdly, there are differencesin Indonesian historical learning outcomes between groups of students with high spatialintelligence superior to those with low spatial intelligence. The conclusion of this research isthe use of mind mapping learning model is superior compared to the learning model ofstudents who have high spatial intelligence and the interaction between the learning modelwith keverdasan spsasila tinggigi in improving the outcomes of Indonesian history
PENGARUH MODEL PROBLEM BASED LEARNING DAN KREATIVITAS BELAJAR TERHADAP HASIL BELAJAR PRAKARYA DAN KEWIRAUSAHAAN
Authors: Rahmi Dewintia , M. Pd Khasanah
Published: October 2019

Penelitian ini bertujuan untuk menguji : 1) perbedaan hasil belajar prakarya dan kewirausahaan siswa yang dibelajarkan dengan model pembelajaran Problem Based Learning yang dibelajarkan dengan model pembelajaran konvensional 2) interaksi antara penggunaan model pembelajaran Problem Based Learning dan kreativitas siswa terhadap hasil belajar prakarya dan kewirausahaan 3) perbedaan hasil belajar prakarya dan kewirausahaan yang diajarkan dengan model pembelajaran Problem Based Learning dan yang diajarkan dengan model pembelajaran konvensional pada siswa yang memiliki kreativitas tinggi 4) perbedaan hasil belajar prakarya dan kewirausahaan yang diajarkan dengan model pembelajaran Problem Based Learning dan yang diajarkan dengan model pembelajaran konvensional pada siswa yang memiliki kreativitas rendah. Dalam penelitian ini terdapat dua vaiabel bebas yaitu model pembelajaran Problem Based Learning dan kreativitas siswa serta hasil belajar prakarya dan kewirausahaan sebagai variabel terikat.Metode penelitian ini menggunakan metode eksperimen dengan rancangan faktorial 2x2 yang membandingkan dua model pembelajaran yaitu model pembelajaran Problem Based Learning dan model pembelajaran konvensional serta kreativitas siswa. Sampel yang digunakan adalah siswa kelas XI IPA 2 dan XI IPA 3 SMA Negeri 8 Kota Bekasi sebanyak dua kelas yang berjumlah 78 siswa. Teknik sampel yang digunakan adalah random acak. Berdasarkan hasil pengujian hipotesis dapat disimpulkan sebagai berikut : 1) Terdapat perbedaan hasil belajar prakarya dan kewirausahaan siswa kelas XI SMA Negeri 8 Bekasi yang diajarkan dengan model pembelajaran Problem Based Learning dan yang diajarkan dengan model pembelajaran konvensional 2) Terdapat interaksi antara penggunaan model pembelajaran dan kreativitas siswa terhadap hasil belajar prakarya dan kewirausahaan 3) Terdapat perbedaan hasil belajar prakarya dan kewirausahaan siswa yang memiliki kreativitas tinggi yang dalam proses pembelajarannya menggunakan model pembelajaran Problem Based Learning tidak sama dan lebih unggul daripada dengan menggunakan model pembelajaran konvensional 4) Terdapat perbedaan hasil belajar prakarya dan kewirausahaan siswa yang memiliki kreatiVitas rendah yang dalam proses pembelajarannya menggunakan model pembelajaran konvensional tidak sama dan lebih unggul daripada dengan menggunakan model pembelajaran Problem Based Learning.
ENHANCING STUDENTS PROFICIENCY in WRITING EXPOSITION PARAGRAPH THROUGH COLLABORATION
Authors: Sholihah Umi , Setyandari Ana
Published: October 2019

This study aims at enhancing students’ writing exposition paragraph through collaboration by utilizing Google Docs and peer-review technique. Based on the findings in preliminary research, students got difficulties in writing. The subject of this research is the fourth semester students of English Study Program of Widya Dharma University Klaten. Data showed from the pre-test, the students’ skills in each writing aspects are still low, namely organization (62%), content (65%), syntax/grammar (61%), mechanics (57%), and vocabulary (66%). The techniques of collecting the data in this study are observation, interview, questionnaire, and test. The technique of analyzing the data is using interactive model analysis from Miles & Huberman for qualitative data and descriptive statistic for quantitative data. The results of the study show that there are significant improvement of students’ writing exposition paragraph viewed from mean scores of pre-test (63, 1), cycle I (68, 35), cycle II (73, 2), and cycle III (81, 55). The findings also present that teaching writing through collaboration by using peer review technique using Google Docs can improve the students’ analytical and critical thinking, self-confidence, and social relation; make students to be more active; and create meaningful learning of the class situation.
USING NOTE TAKING STRATEGY TO ENHANCE STUDENTS’ LISTENING COMPREHENSION ABILITY
Authors: Jamil Adi Novrian , Suezdy Deddy
Published: October 2019

This article points out the results of the research investigating the effect of note takingstrategy on the third semester students’ listening comprehension of English Education StudyProgram, Faculty of Teaching and Educational Sciences, Universitas Islam As-Syafi’iyahJakarta. The research samples were taken using purposive sampling, with the total numberof samples is 30 students.The research methodology was pre-experiment method, with onegrouppretest posttest design. Data collection procedure was completed by the students byobtaining scoresin the listening section of PET test,30 items.The findings indicated that therewas significant difference of score between the students who received note taking strategyand students who did not receive note taking strategy. It can be seen from the data analysisusing ANOVA that showed significance value of 0.000 was smaller than (<) Alpha 0.05 andFobserved (15.873) is higher than the critical value of Ftable(2.35). It means that note takingstrategy has significant effect on students’ listening comprehension ability.The Implicationof result research can benefit both lecturer and students in listening comprehension strategy.
AN ANALYSIS OF TRANSLATION TECHNIQUE IN TRANSLATING NARRATIVE TEXT
Authors: Jefriyanto Saud , La Samidi Zulkifli
Published: October 2019

The present work is an analysis of translation technique in translating narrative text. Ingeneral, there are many aspects of translation techniques that can be discussed, nor in thisresearch the researcher only use eight techniques such as literal translation, idiom translation,calque translation, etc. Moreover, the purpose of this research is to investigate the product oftranslation English to Indonesian from the students of English Department 2013 intranslating Narrative text and analyzed it by using eight techniques in translating it. The datain this research is carried out by using qualitative method. This research reveals that thedominant technique that the participants use is borrowing technique, by amounting about 37times. Meanwhile, the less dominant technique that the participants use is transpositiontechnique by amounting about 7 times. Furthermore, those participants prefer to useborrowing technique it is because they believe that it is more familiar diction and easy forthe readers to understand the text.
DOES THE KNOWLEDGE OF PRESENT AND PAST PARTICIPLES PHRASES CORRELATE WITH STUDENTS’ READING COMPREHENSION ACHIEVEMENT?
Authors: Nor Rachman Ismailia Putri , Chotimah Chusnul
Published: October 2019

This study was conducted with the main aim finding out whether or not there was significant correlation between students’ knowledge of present and past participle phrases and their reading comprehension achievement of descriptive text. It studied two variables: Students’ knowledge of present participle and past participle as Independent Variable, and reading comprehension achievement as Dependent Variable. This research was conducted to the students of grade ten at SMK Global Cendekia, Cakung East Jakarta in the Academic Year of 2017/2018 which consists of 3 classes. The samples were 30 students taken from the total target population of 124 students. The samples were taken through Cluster Random Sampling Technique. The samples were students at class 10 -C. The design used was ex-post-facto design in term of co-relational study. To analyze the data the researcher used the Person Product Moment correlation test that yielded sig, 0,000, which is lower than 0,05 (5%), and rxy = 0,844, which is higher tha the critical value of r-tabel 0,324.
STUDYING THE RELATIONSHIP BETWEEN TEXT COMPREHENSION ABILITY AND GRADE TEN STUDENTS’ VOVABULARY ACQUISITION IN NARRATIVE TEXT
Authors: Gunawan Agus , Septiani Annisa
Published: October 2019

This research entitled “Studying the Relationship between Text Comprehension Ability and Grade Ten Students’ Vocabulary Acquisition in Narrative Text at SMK BHAKTI PERASADA, Bekasi” principally aims to investigate whether or not relationship between Text Comprehension Ability and grade ten Students’ Vocabulary acquisition in Narrative Text. The research samples were taken using cluster random sampling, with the total number of samples being 36 students. The location of this research was SMK BHAKTI PERSADA, Bekasi, conducted from 15th to 22nd November 2016. The research methodology adopted was the quantitative, correlational research. With the research design being ex post facto(after the fact).To collect data, the students were given objective test, numbering 68 items. The research data were analyzed descriptively and inferentially. The findings indicated that there was significant relationship between text comprehension ability and grade ten students’ vocabulary acquisition in narrative text at SMK BHAKTI PERSADA, Bekasi. It can be seen from the data analysis using Pearson’s Product Momentthat showed tobserved (4.93), which was higher than the critical value of ttable(at the significant level of 0.05 and df = 1/35), namely 2.03. It means that text comprehension ability has significant correlation with vocabulary acquisition in narrative text.
THE IMPLEMENTATION OF GO FISH GAME IN IMPROVING STUDENTS’ VOCABULARY
Authors: Wibowo Hanafi , Syarifah Umi Laila
Published: October 2019

English is very important, since English is one of international language for communication. Although English in Indonesia is a second language, in fact not all Indonesians use  it well. It was determined by their mastery on vocabularies. Therefore, one of the creative efforts to create fun learning is by using a vocabulary game called Go Fish. It uses Flash Card media. This study aims to explore whether the Flash Card or Go Fish game media can improve student’s vocabulary or not. Experiment with Class Action Research (CAR) is used as the method of this study. The population of the study is fifth graders of Elementary School. This study uses 2 Cycles in which each cycle has 3 times. 2 material meetings or playing games and 1 meeting is a post test. In the first cycle the value of students is still below the KKM of the school, with an average of 62.5, while the English language standard of KKM School is 65. It is required to  do the second cycle to achieve the KKM score of the school. And after doing the second cycle, the students' values ​​have reached the School KKM score with an average of 81.75. This means that there is a significant difference in the average value between the first and second cycles. Therefore, it shows that the media of Flash Card or Go Fish games can improve students' English vocabulary.
Penentuan Tingkat Kerusakan Peralatan Labor Komputer Menggunakan Data Mining Rough Set
Authors: Salam Riyan Ikhbal , Defit Sarjon
Published: October 2019

Equitments of computer laboratory have a function as an important tools in supporting pratical lecturing. These facilitiesshould always be on a condition like ready are proper to use both computers and others. To avoid equipment detriment, it is necessary to do early identification in which prevent the worse condition of equitments. The method use in this study is roughset method wich consists several stages such as Decision System, Equivalence Class, Discernibility Matrix, DiscernibilityMatrix Modulo D, Reduction, and Generate Rules. From this study, it was found that 14 rules in making decisions for equipments treatment of computer laboratory such as use, repair and replace. Thus, this mrthod is very capable indetermining the detriment level of laboratory equipment
Diagnosis Penyakit Diabetes pada Masyarakat Awam Menggunakan Metode Backward Chaining
Authors: Luthvan Don
Published: October 2019

Expert system is a system that seeks to adopt human knowledge into computers, this research was conducted to diagnose diabetes early. Disease data that were processed were sourced from the South Solok District General Hospital. The method used is Backward Chaining by using a goal-driven approach. The result of testing this method is that the user understands the danger of diabetes and knows how to revent it. Trials conducted on an expert system for diagnosing diabetes, most people understand the characteristics and symptoms of diabetes and understand how to prevent it. So that this expert system can be recommended for ordinary people
Kerahasiaan Teks Basis Data MySQL Menggunakan Algoritma Elgamal
Authors: Atmaja Niko Surya
Published: October 2019

The common method used to secure a MySQL database is in access control. The technique is the use of a password. To better secure the data sent cryptographic techniques need to be done. This study uses the Elgamal method in conducting cryptography. The results of this study generate MySQL databases in random form during safer delivery and can only be accessed by parties who have a password. So this research can further improve MySQL data security
ANALYSIS RETORIC STRUCTURE PROBLEM JUSTIFYING PROJECT IN INTRODUCTION TEXT JOURNAL ARTICLES RESEARCH CLASS ACTION
Authors: Sasih Karnita Arafatun
Published: October 2019

The goal of this study is to find out rhetoric  structure in introduction text journal articles research class action with ideal according structure model of PJP rethoric. This research is using a descriptive method. The data of this study is the author's speech in part of introduce journal artcle "BISA" and "Bahasa dan Seni" journal articles in the field of classroom action research. Based on the results of the analysis has found the same steps in each of the dominant stages of writing AJP "BISA" and "Bahasa dan Seni" are stages 1 with step 1C explaining a brief history of the field of research and 1E making general claims; step 2 with step 2A introducing the research topic, 2B identifies the research problem, 2C reviews the relevant literature; stage 3 with the 3D step states that it is interested in examining the problem; and step 4 with step 4A explains the purpose of the study, 4B states the research question, and 4G proposes a solution to the research problem. In case of  journal "Language and Art" there are steps at each dominant stage, stages 1: 1A define important terms, 1B refers to government policies; stage 3: 3C states that the topic is important to study; and stage 4: 4C describes the specific characteristics of the study, 4D states the benefits of the study, 4E announces the research findings, 4F states the research hypothesis.
ANALISIS KEMAMPUAN PEMAHAMAN KONSEP MATEMATIS MAHASISWA DITINJAU DARI KEMAMPUAN TINGGI, SEDANG, RENDAH
Authors: Kurniasi Eka Rachma , Juwita Intan
Published: October 2019

Latar belakang penelitian adalah pentingnya kemampuan pemahaman konsep matematis dalam pembelajaran matematika di perguruan tinggi. Penelitian ini bertujuan untuk menganalisis kemampuan mahasiswa dalam memahami konsep matematis yang ditinjau dari kemampuan tinggi, sedang, dan rendah. Adapun subjek penelitian berjumlah 10 orang yang merupakan mahasiswa dari program studi pendidikan matematika. Metode penelitian yang digunakan adalah kualitatif deskriptif dan instrumen penelitian yang digunakan adalah tes kemampuan pemahaman konsep matematis pada mata kuliah Teori Bilangan. Hasil yang didapatkan pada mahasiswa kemampuan tinggi adalah mahasiswa dapat menjawab semua soal pemahaman konsep matematis dan hanya ada satu orang yang tidak lengkap jawabannya pada soal nomor 3, pada soal pembuktian dengan induksi matematika dengan indikator menggunakan konsep atau definisi untuk menyelesaikan masalah,  dan pada soal nomor 4 pada soal pembuktian dengan induksi matematika pola bilangan prima dengan indikator menggunakan definisi atau konsep untuk menyelesaikan masalah yang lebih luas. Pada mahasiswa kemampuan sedang soal nomor 1, 2, 3 dengan indikator soal nomor 1 dan 2 memberikan contoh dan non-contoh dapat terjawab dengan baik dan soal nomor 4 dua orang responden menjawab tetapi salah prosedur pengerjaan dan dua orang tidak menjawab. Pada mahasiswa kemampuan rendah soal nomor 1, 2 dan 3 dapat dijawab dengan benar dan di soal nomor 4 semua responden mengosongkan jawaban.
DEVELOPING STUDENTS’ WRITING SKILL THROUGH JIGSAW, MIND-MAPPING, AND ROUNDTABLE TECHNIQUES
Authors: Iswahyuni Dwi , Kiswati Sri
Published: October 2019

Writing skill seems to be a difficult skill for many students. Whereas, they are demanded to be able to write at text level. This study investigates how students’ writing skill can be developed  through the combination of jigsaw, mind-mapping, and roundtable techniques. The aim of the study was to find out in what ways the combination of jigsaw, mind-mapping, and roundtable techniques can develop students’ writing skill. Moreover, this study belonged to a pre-experimental study and the instruments employed in this study were tests and field notes. The results of the study showed that almost all of the students made some improvements after the treatments. All aspects which comprised grammar; mechanics; style and quality of expression; organization; and content aspects were improved. In addition, the highest improvement belonged to grammar aspect (30.73%). Furthermore, based on the field notes, the students gave positive responses towards the treatments and the treatments were worthwhile for the development of the students’ writing skill. Based on the results of the study, it can be concluded that the combination of jigsaw, mind-mapping, and roundtable techniques can develop students’ writing skill in many ways including grammar, mechanics, vocabulary, organization, and content aspects.
About control of guaranteed estimation
Authors: Ananyev Boris
Published: October 2019

The control problem by parameters in the course of the guaranteed state estimation of linear non-stationary systems is considered. It is supposed that unknown disturbances in the system and the observation channel are limited by norm in the space of square integrable functions and the initial state of the system is also unknown. The process of guaranteed state estimation includes the solution of a matrix Riccati equation that contains some parameters, which may be chosen at any instant of time by the first player (an observer) and the second player (an opponent of the observer). The purposes of players are diametrically opposite: the observer aims to minimize diameter of information set at the end of observation process, and the second player on the contrary aims to maximize it. This problem is interpreted as a differential game with two players for the Riccati equation. All the choosing parameters are limited to compact sets in appropriate spaces of matrices. The payoff of the game is interpreted through the Euclidean norm of the inverse Riccati matrix at the end of the process. A specific case of the problem with constant matrices is considered. Methods of minimax optimization, the theory of optimal control, and the theory of differential games are used. Examples are also given.
On stabilizability of fluid multi-server polling systems with setups
Authors: Matveev Alexey
Published: October 2019

A time-invariant fluid model of a polling system is considered. It consists of finitely many servers and buffers with unlimited sizes. The buffers receive inflows of work from the outside, work leaves the system after processing by a server. Every server works only with buffers from an associated zone of service, which may overlap for various servers, is able to serve at most one buffer at a time and so has to switch, from time to time, among buffers, the switch-over times are nonzero. We present a criterion for existence of a scheduling and service protocol that makes the system stable in the sense that the total amount of work in the buffers remains bounded as time progresses. The necessity part of this result is concerned with the widest class of protocols, including dynamic ones that are centralized and have access to the full information about the events in the system. Meanwhile, we show that every stabilizable system can be stabilized in a fully decentralized fashion via a simple static protocol, e.g., by a protocol that is based on independent round robin scheduling of the servers and for every server, employs only time measurement.
Rigid body stabilization under time-varying perturbations with zero mean values
Authors: Aleksandrov Alexander , Tikhonov Alexey
Published: October 2019

The problem of monoaxial attitude control of a rigid body subjected to nonstationary perturbations is investigated. The control torque consists of a dissipative component and a restoring one. The cases of linear and nonlinear restoring and perturbing torques are analyzed. Two theorems on asymptotic stability of the programmed orientation are proved. The results of a numerical simulation are presented to confirm the conclusions obtained analytically.
An adaptive algorithm for restoring image corrupted by mixed noise
Authors: Thang Pham Cong , Thao Tran Thi Thu , Khoa Phan Tran Dang , Sang Dinh Viet , Tuan Pham Minh , Hieu Nguyen Minh
Published: October 2019

Image denoising is one of the fundamental problems in image processing. Digital images are often contaminated by noise due to the image acquisition process under poor conditions. In this paper, we propose an effective approach to remove mixed Poisson-Gaussian noise in digital images. Particularly, we propose to use a spatially adaptive total variation regularization term in order to enhance the ability of edge preservation. We also propose an instance of the alternating direction algorithm to solve the proposed denoising model as an optimization problem. The experiments on popular natural images demonstrate that our approach achieves superior accuracy than other recent state-of-the-art techniques.
Video encoding with adaptive coding procedure based on multiagent model
Authors: Tomashevich Stanislav
Published: October 2019

The paper proposes the use of an adaptive coding algorithm for processing and transmitting video signals. Encoding process of video signals intend to divide the color of each pixel into three components (red, green and blue). The whole video frame could be represented as networked system where each pixel is a independent agent. In this case, agents are understood as a system having any dynamics. Thus, the movement of a pixel is described by a change in the intensity of its RGB components. This approach allows us to consider the process of intensity change as the trajectory of the dynamic system and apply observation and coding methods to it. The proposed approach allows to encode signals in real time without their prior complete analysis. Depending on the coding rate and the nature of the signal, it is possible to save the amount of information transmitted as a result of the algorithm. Observer is used to get estimation of colors signals and multiagent model is used to get to accurate estimation process.
THE UNIFICATION OF RELATIVITY AND QUANTUM THEORIES
Authors: Wiratama Jemmy , Pistae Paul
Published: October 2019

CONSTANCY OF NATURAL CONSTANTS AND THE UNIVERSE MODELS
Muslims at the American Vigil
Authors: Perkins Alisa
Published: October 2019

The 2016 Orlando nightclub shooting at a gay dance club in Florida fomented a surge in Islamophobia, as pundits blamed the perpetrator’s Muslim identity for his hateful act. In the aftermath of the violence, vigils across the United States offered forums for Muslim American and other groups to publically express their shared grief and to address homophobia and Islamophobia together. The people affected most intensely by the tragedy were LGBTQ Muslims, who were simultaneously subjected to both intensified homophobia and Islamophobia in the wake of the shooting. This local ethnographic study of Orlando vigils in Michigan examines how the Orlando aftermath encouraged debate about the issue of LGBTQ Muslim visibility and conversation about the potential for Muslim civic leaders and mosque leaders to serve as their allies. During the Orlando vigils, LGBTQ Muslims, allies, and faith leaders drew on, negotiated, and/or resisted various repertoires of mourning and advocacy. Their responses to the Orlando moment provide valuable information about how connections among faith, sexuality, race, and protest are shaping the emergence of LGBTQ Muslim visibilities in the United States today.
Resisting Islamophobia: Muslims Seeking American Integration Through Spiritual Growth, Community Organizing and Political Activism
Authors: Bacchus Nazreen S.
Published: October 2019

Since 9/11, second-generation Muslims have experienced an increase in religious discrimination that has presented several challenges to their American integration.  Scholars have noted that Muslims are often marginalized and “othered” because of their religious beliefs, attire choices and non-Western ethnic origins.  In New York, Arabs, South Asians and Africans are the predominant ethnic groups practicing Islam.  Although Muslim communities are ethnically and racially diverse, they are categorized in ways that have transformed their religious identity into a racialized group.  This new form of racial amalgamation is not constructed on underlying skin color similarities but on their religious adherence to Islam. The War on Terror has complicated the image of Muslims by circulating Islamophobia, or the fear of Muslims and Islam, onto American society.  Political rhetoric targeting Muslim communities has also incited new ways of misinterpreting Qur’anic text to further marginalize them. Second-generation Muslim Americans are responding to Islamophobia by reframing the negative depictions about their identities through community-based activism.  This paper takes an intersectionality approach to understanding how Muslims across the New York metro area are managing their religious identities as they seek to develop a sense of belonging in American society.  This ethnographic case study addresses how second-generation Muslims are resisting Islamophobia through community building, civic engagement, and college student associations.  Countering Islamophobia has become part of the everyday life experience for Muslims in New York and is currently their main trajectory for integration into American society.
RUSSIA’S ‘STRATEGIC NARRATIVES’: THE CASE OF SYRIA AND THE ‘ARAB SPRING’
Authors: Averre Derek
Published: October 2019

Russia’s governing elite promotes a distinctive set of strategic narratives to influence how it is perceived in the world and positively influence public opinion abroad, advancing a Russian vision of the international system, while aiming to reinforce its legitimacy at home. These narratives have often explicitly or implicitly challenged the narratives and policies of the Western liberal democracies, in terms of international legal norms, of social-ethical values and of Russia’s status in the international order. Western academic and policy sources have devoted increased attention to the Russian government’s use of information tools and strategies in support of its political and diplomatic efforts to promote these narratives. This article aims to examine how information management, carefully targeted at the operational level to promote Russian interests in specific situations, is linked with the dissemination of strategic narratives that seek to underpin key broader policy objectives in the case of the Arab Spring and the conflict in Syria.
SECURITY OF ARCTIC AND NORTHERN SEA ROUT: UK’S VIEW
Authors: Godovanyuk K.A.
Published: October 2019

Against the background of Brexit, UK foreign policy-makers seriously consider the changes in international environment determined by emerging of new centers of power and high competition of global actors in Africa, Asia and Indo-Pacific. The designers of “Global Britain” concept - the new foreign policy strategy aimed at strengthening the UK position in the world after its exit from the European Union - take into consideration the climate changes which in the upcoming decades can lead to the geopolitical competition in Arctic. The latter comprises not only the hard power and ecology issues but the interest to get access to the Northern Sea Route and natural resources. The author analyzes the UK Arctic policy and concludes that the UK government ambition to perform as a leader in Arctic can become a long-term tendency which will determine the UK strategy towards Russia, China and the allies within NATO in the North Atlantic.
CHURCH AND NATIONAL IDENTITY: CROSSING TRAJECTORIES (ON THE EXAMPLE OF IRELAND)
Authors: Vershinina D.B.
Published: October 2019

The paper attempts to identify the features of the relationship of the Catholic religion and the church as an institution with the process of forming and modernizing the Irish national identity. The historical aspects of the interaction of the church and the national movement are compared with modern data on the place of the Roman Catholic Church in the structure of the Irish national identity, the position of the church in relation to moral issues is revealed, and the conclusion is made on the factors and specifics of the secularization process in Ireland in the second half of the 20 and early 21 centuries. The author uses legislative sources, press materials, texts of speeches of state and public figures.
THE REGIONAL POLICY OF THE BRITISH GOVERNMENT ON THE BACKGROUND OF BREXIT
Authors: Okhoshin O.V.
Published: October 2019

The article is devoted to the analysis of the interaction of the UK government with the leading regional parties of Northern Ireland to address issues of border regulation and prevention of the negative consequences of Brexit. The aim of the article is to comprehend the official line of T. May’s conservative cabinets to maintain a transparent border between Northern Ireland and the Republic of Ireland established by the Belfast Agreement of 1998, as well as to overcome the political crisis within the Northern Ireland Assembly, which has continued since January 2017. During the negotiation process between London and Brussels interests of Euroskeptics and Eurooptimists clashed in the UK Parliament and Government, which directly influenced the political processes in the regions of the United Kingdom. Disagreements between the DUP and Sinn Fein created additional socio-economic tensions in Northern Ireland, which made the Brexit negotiation process difficult.
PROJECT MANAGEMENT IN THE PUBLIC SECTOR: FOREIGN EXPERIENCE AND RUSSIAN PRACTICE
Authors: Miroshnichenko I.V. , Shpiro L.A.
Published: October 2019

The authors explore the implementation of project management as a result of administrative reforms realization in modern states. This approach is based on the «New Public Management» paradigm. The authors propose an explanatory model of project management in the public sector, presented in the characteristics of providing types of practices (analytical, organizational and management, communication and documentation). The cases of project management in Canada, Great Britain, Norway described in the article led to the conclusion that the successful practices of project approach cause a qualitative transformation of public administration system. The preliminary outcomes of the project management experience in Russian public sector are estimated in the worldwide context. It is proved that human capital becomes the system-forming resource that develops an ecosystem of public management (in spite of its institutional flexibility in modern states and their regions) and provides its efficiency.
Competitiveness of the agricultural sector: determinants of the global growth
Authors: Pohrishchuk Borys , Pohrishchuk Halyna
Published: October 2019

The paper provides rationale for the key determinants of enhancing competitiveness of the agricultural sector in the light of the global growth, which is possible through structural adjustment of foreign economic opportunities and strategic focus on exporting competitive agricultural products. In order to advance the competitiveness of domestic agricultural products in the international markets, it is proposed to implement a series of measures through establishing a framework for ensuring a competitive market. By splitting the factors into those responsible for external and internal sectoral transformations, a framework for ensuring a competitive growth in the agricultural sector with regard to the global progress is developed. The effectiveness of introducing the framework is practically expressed in strengthening positions in export sales; expanding the existing markets and entering new ones; stabilizing domestic and external demand; producing environmentally-friendly and safe products that meet world quality standards. An innovative component of systemic changes in the sector is highlighted. Some trends and prospects related to foreign economic activities of the competitive agricultural sector are outlined.In order to address the challenges on the road towards more competitive agricultural sector the following proposals are developed and justified: to complete the adaption of Ukraine’s legislative and normative framework and the regulatory system to the requirements of the EU; to establish a national system of food safety in accordance with the requirements of the food safety and animal feed safety model introduced in the EU-countries; to introduce sanitary and phytosanitary measures that are consistent with the EU requirements in agribusiness enterprises; to accomplish the establishment and operation of the system of state market supervision over the observance of requirements to the safety of food products and creation of a network of accredited conformity assessment bodies and ensure the full recognition of the National Accreditation Agency of Ukraine by international institutions.
Institutional aspects for accelerating Ukraine’s energy services market
Authors: Fedirko Mykhailo , Mykytiuk Petro
Published: October 2019

The article considers the necessity of accelerating Ukraine’s energy services market as a measure for improving energy efficiency of the national economy and energy safety as well as enhancing energy efficiency of housing and communal services.The essence of energy efficiency as an integral indicator of sustainable development of the national economy is revealed. It is justified that the introduction of market relations in the sector of providing energy services will be possible only if there is a proper institutional framework. It is proved that in theoretical and methodological terms, building an institutional framework and, consequently, establishing an institutional environment for accelerating the energy services market should be carried out in accordance with the theory of institutional provision of a balanced growth of the national economy.The main components of institutional provision for accelerating the energy services market are defined and characterized: institutional architectonics, institutional matrix and institutional dynamics.The paper substantiates that in the light of Ukraine’s accession to the Energy Community, a multilevel system for managing energy efficiency and energy security has been elaborated, including a supranational institutional level that requires a clear legal tool for the co-ordination of national and supranational interests in energy efficiency and energy security. The essence and tools of the interaction of the supranational and national levels of institutional provision of the energy services market are outlined.