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61	Chemistry Education	ABS-52
Assessing Pre-Service Teacher in Science from Read-Answer-Discuss-Explain-Create (RADEC) Based Problem Solving Skill Y Gumala 1,3*, W Sopandi1,2, Septinaningrum1,4, P Anggraeni1,5, A H Rahayu1,5, Tursinawati1,6 1Program Studi Pendidikan Dasar, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudi No. 229 Bandung 40154, Indonesia 2Departemen Pendidikan Kimia, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudi No. 229 Bandung 40154, Indonesia 3Departemen Pendidikan Guru Sekolah Dasar, Universitas Bhayangkara Jakarta Raya, Jl. Darmawangsa 1 No 1 Jakarta 12140, Indonesia 4Prodi Pendidikan Guru Madrasah Ibtidaiyah, IAIN Tulungagung, Jl Mayor Sujadi No. 46 Tulungagung, Indonesia 5Prodi Pendidikan Guru Sekolah Dasar, STKIP Sebelas April, Jl Angkrek No. 19 Sumedang 45323, Indonesia 5Prodi Pendidikan Guru Sekolah Dasar, Universitas Syiah Kuala, Jl Tgk Hasan Krueng Kalee Banda Aceh 23111, Indonesia Abstract Assessments are prevailing implements for informing teachers and students approximately where student thoughtful stances with relation to a knowledge objective. However, limited readings deliver qualitative investigates of assessment through an item. This research practices a context of nine scopes of actual assessment evidence in science classrooms to associate more and fewer effective assessment among a purposive sample of elementary pre-service teacher in science. Contributing teachers collected five steps of assessment in reading, answering discussing, explaining, and creating related on problem solving skill. Our evaluation specified that actual dimensions, such as setting goals, aligning assessments with goals, occurrence, and selection of assessment, can be addressed relatively easily by teachers whose overall collection. Yet, dimensions that takings interested in account the quality or depth of student learning, such as the cognitive difficulty of the assignment, the type of response that is providing, or how well teachers adapt instruction based on information from assessments, differ more pointedly among teachers in our model. The conceptualization of these five dimensions beside with indication from actual classrooms across following instructional parts for professional improvement and teacher education Keywords: RADEC, Science, Assessing, pre-service teacher PermaLink | Plain Format | Corresponding Author (Yosi Gumala)

62	Chemistry Education	ABS-310
THE EFFECT OF THE LEVEL OF INQUIRY BASED LEARNING TO DEVELOP HIGH SCHOOL STUDENTS’ CRITICAL THINKING SKILLS RELATED TO CONCEPTUAL BUFFER Fahyuddin(a*), Saefuddin(a), Safiudin(b), Anny Aspina(b) (a) Department of Chemistry Education, Halu Oleo University, Kendari *fahyuddinm[at]yahoo.com (b)Provincial Department of Education, Southeast Sulawesi Abstract There is a large body of research on the effectiveness of Inquiry based learning over traditional methods. Less has been reported in the science education literature of study that investigated the different levels of inquiry on students’ achievement. This study compared between guided and structured-inquiry based learning on the development of high school students’ critical thinking skills related to buffer concepts. A quasi-experimental design was used in this study. Students from two schools in Kendari city participated (N = 92, grade 11). Two classes in each school were randomly assigned to either the guided-inquiry or the structured-inquiry based learning. The critical thinking skills test was administered to both groups, prior to the intervention, and than after the intervention. Descriptive statistics and Analysis of Covariance (ANCOVA) were used to analyze the data collected. The results indicated that the level of guided-inquiry learning caused a significantly better acquisition of critical thinking skills related to buffer concept than the structured-inquiry designed. In addition, students’ previous logical thinking skills made a significant contribution to the critical thinking skills related to buffer concepts Keywords: Guided inquiry; Structured inquiry; Critical thinking skills; Buffer concepts; Logical thinking skills PermaLink | Plain Format | Corresponding Author (Fahyuddin Fahyuddin)

63	Chemistry Education	ABS-58
Performance assessment rubric to assess students analytical thinking skills in chemistry lesson Budi Utami, Sulistyo Saputro, Ashadi, Mohammad Masykuri Universitas Sebelas Maret Surakarta Abstract 21st century skills are very important for students, Communication, Collaboration, Critical Thinking and Problem Solving, and Creativity and Innovation (known as 4 C). Faciones critical thinking skills include interpretation, analysis, evaluation, inference, explanation, and selfregulation. This study is to determine the ability of students analytical thinking skills in chemistry lessons in Chemical Equilibrium material and to determine the suitability of the items of performance assessment rubric on the assessment of students analytical thinking skills. The study used a quantitative descriptive method and was analyzed using the RASCH model. The research subjects were XI gradeof science students in one of the high schools in Surakarta, Central Java, Indonesia. The results of the study revealed that there were still students with low analytical skills so that appropriate learning models were needed that could improve students analytical skills. Based on the results of the analysis of the RASCH model it is known that item measurement for each item in the rubric of performance assessment is a good category and can be used to measure students analytical skills. Keywords: performance assessment rubric, analytical thinking skills, chemistry lesson PermaLink | Plain Format | Corresponding Author (Budi Utami)

64	Chemistry Education	ABS-318
DEVELOPMENT AND VALIDATION OF SPECIFIC CHEMISTRY TEACHING MODEL FOR ENVIRONMETAL SUSTAINABILITY Army Auliah, Muharram Universitas Negeri Makassar Abstract The importance of improving the quality of learning in schools is more and more recognized. Now day Green Chemistry is recommended in teaching chemistry as an effort to foster students caring attitudes towards the environment. In other hand improving teaching quality through lesson study has been done a lot. This paper contributes to the solution of problem of improving the quality of chemistry teaching that foster students caring attitudes towards the environment. The integration of the principles of green chemistry through the application of the principles of Lesson Study learning community that allows the principles of green chemistry be understood and applied by students in their daily lives, results a Teaching model called Green Chemistry Learning Comprehensive by Collaborative and Collegialities (GCLC2C) that has been developed and validated. Key words: Chemistry Teaching Model, Lesson Study, Green Chemistry Keywords: Chemistry Teaching Model, Lesson Study, Green Chemistry PermaLink | Plain Format | Corresponding Author (Army Auliah)

65	Chemistry Education	ABS-324
Implementation of Interactive Multimedia and Kit with Writing-to-Learn Strategy on the Chemistry in Daily Life Topic for Junior High School with Disabilities Sukarmin, Sri Poedjiastoeti, Achmad Lutfi, Dian Novita, Moniqsa Purbo Syahrani,Luky Biyan Susanti Universitas Negeri Surabaya Abstract This study goals to describe the implementation of interactive multimedia and kit with Writing to Learn (WTL) strategies for hearing impairment students on the chemistry in daily life topic for junior high school. Interactive Multimedia and kit were implemented to 12 students junior high school with one group pretest-posttest design. The research instruments used was the observation on the use of interactive multimedia and the kit and test sheets. Data collection techniques are observation and tests analyzed descriptively. The Writing to Learn strategy component trained in this study is guided free writing, creative piece, and the end of class reflection. The results of the study showed that (1) interactive multimedia and kit implementation were good and very good category, (2) the students learning outcomes were increased after the learning, and (3) students responses indicate that the interactive multimedia and kit response were positive Keywords: Interactive Multimedia, kit, Writing to Learn Strategy, Hearing Impairment Student PermaLink | Plain Format | Corresponding Author (Sukarmin Sukarmin)

66	Chemistry Education	ABS-336
FIRST YEAR CONCEPTION OF STUDENTS IN THE CONCEPT OF ATOM AND PERIODIC SYSTEM ELEMENTS Bertha Yonata, Dian Novita Universitas Negeri Surabaya Abstract First year undergraduate chemistry education study program students come from high schools in various regions in East Java. In this study, students conceptions of the concept of atomic and periodic system elements were obtained with a three-tier test instrument. Students choose one of the 5 answer choices, choose one of the 5 reasons provided, and determine the level of confidence in answering the question. As many as 31 Chemistry education students filled 3 questions related to the concept of atomic concepts and the periodic system of elements. The data obtained shows that there are still students who experience misconceptions and ignorance of the concept of the atomic concept and the periodic system of elements. Keywords: atomic concept, concept of periodic system elements, three tier test PermaLink | Plain Format | Corresponding Author (Bertha Yonata)

67	Chemistry Education	ABS-186
The study of traditional food HACCP through project-based learning in food chemistry course Nova Kurnia (a *), Liliasari (b), Dede Robiatul Adawiyah (c), Florentina Maria Titin Supriyanti (b) a) Department of Chemistry Education of IKIP Mataram, Jalan Pemuda No 59A, Mataram 83125, Indonesia. *novakimia88[at]yahoo.com b)Science Education Program, School of Postgraduate Studies, Indonesia University of Education, Jalan Dr.Setiabudhi No 229, Bandung 40154, Indonesia. c) Department of Food Science and Technology of IPB University, Jalan Raya Dramaga, Bogor 16002, Indonesia Abstract Food was likely to be contaminated by hazards during processing steps. On the other side, food safety was the main prerequisite for consumption. Nowadays, the hazard analysis critical control point (HACCP) has been implemented as food safety assurance system. This research aimed to know the students ability in reviewing traditional food HACCP through project-based learning in food chemistry course. This research employed a descriptive method as research design. Subjects of the research were 16 students eight semester of chemistry education program at one of the colleges in Mataram City. To collect data, the instrument of performance assessment rubrics and questionnaire were used. To conclude, the data indicated that students were able to review traditional food HACCP in terms of raw material and processing step through project-based learning. They were very enthusiastic toward the project activities due to it was related to their daily culture. Keywords: traditional food, HACCP, project-based learning, food chemistry PermaLink | Plain Format | Corresponding Author (Nova Kurnia)

68	Chemistry Education	ABS-242
Profile of Misconception in Senior High School Students on the Concept of Acid Base Strength Wiwi Siswaningsih, Nahadi, Vina Chandratika Departement of Chemistry Education, FPMIPA UPI Abstract This research aimed to find out the profile of misconception in senior high school students on the concept of acid base strength and the factors caused it. The research design used was qualitative descriptive. The data collection technique was carried out by two tier pictorial multiple choice diagnostic tests on the concept of acid base strength modified by researcher from previous developer, which consist of seven items and had been valid and reliable. In addition, the data was collected by using questionnaire, interview with students identified as having misconceptions and the chemistry teachers who taught the students, and documentation of chemistry textbook. The findings showed that: (1) students were identified as having misconceptions on the concept of acid base strength; (2) the biggest misconception was the target concept of the relationship between acid strength and pH with a percentage of 51.52%; (3) student misconception was caused by various factors, namely the condition of students, experiences, teachers, and textbooks. Keywords: acid base strength, diagnostic test, misconception, profile, two tier multiple choice test PermaLink | Plain Format | Corresponding Author (Wiwi Siswaningsih)

69	Computer Science	ABS-264
Securing an Event-Based Smart Meter System to Prevent Pricing Cyberattack: A Preliminary Research Desti Nirwana Mozef (a), Fadhil Hidayat (b) a) School of Electrical Engineering and Informatics, Bandung Institute of Technology Jalan Ganesha 10, Bandung 40132, Indonesia b) School of Electrical Engineering and Informatics, Bandung Institute of Technology Jalan Ganesha 10, Bandung 40132, Indonesia Abstract Being a part of smart grid, smart meter is a device that is widely used nowadays because it is expected to improve the efficiency of the current electricity network by using advanced digital information and communication technology. One of the advantages of using smart meter is it can simplify the billing process. However, because the smart meter system must be connected to intranet and extranet networks, it becomes vulnerable to several security and privacy threats. One of the major concerns is pricing cyber-attack, which happens when energy consumption data becomes the target of an attack because this can affect the amount of billing that must be paid by costumers. There are already several studies that discussed about securing smart grid system using various methods but those are still computationally complex and only implemented on time-based type smart meters. The aim of this paper is to present a preliminary research of securing an event-based smart meter system from pricing cyber-attack. Keywords: Smart grid; Smart meter; Pricing cyberattack PermaLink | Plain Format | Corresponding Author (Desti Nirwana Mozef)

70	Computer Science	ABS-265
Implementation of CM-SPADE Algorithm In Building Denial of Service Detection System Model Using Snort Eddy Prasetyo Nugroho,Rani Megasari,Enjun Junaeti,Samekto Rinekso Pribadi Computer Science Education Departement Faculty of Science and Mathematic Education Indonesia University of Education Abstract Along with the increasing use of computers, business activities and data storage have also begun to be transferred, from the initial use of document files, now changed to computing activities and digital data stored on the computer. The increasing importance of the computer certainly raises its own challenges and risks. One of the risks and challenges is the security of the computer system and network. Various ways have been done to improve computer network security, one of which is using the Intrusion Detection System (IDS). IDS is one of the security management that is able to detect attacks on a computer network in real-time, for example Denial of Service (DoS) attacks. To maximize the IDS detection function that is able to detect unknown attacks, a data mining approach is used to create an IDS that uses anomaly based detection techniques. In this study, a sequential pattern mining technique, the CM-SPADE algorithm, is used to generate IDS rules that can detect DoS attacks. Modeling and rules are made by applying the CM-SPADE algorithm to the KDD Cup 1999 data set. The results of this study reveal that the implementation of the CM-SPADE algorithm is able to produce IDS rules that can detect DoS attacks with an accuracy rate of 97.976%. Keywords: Intrusion Detection System, data mining, CM-SPADE, KDD Dataset, Snort PermaLink | Plain Format | Corresponding Author (Eddy Prasetyo Nugroho)

71	Computer Science	ABS-267
Social Influence Data Analytic For Supply Chain Management in Fashion Industry Puspita Nurul Sabrina, Fajri Rakhmat Umbara, Herdi Ashaury Universitas Jenderal Achmad Yani Abstract Supply Chain Management (SCM) can be seen from the upstream, midstream and downstream supply chains. Efficiency can be increased by business strategies in all three sections. The fashion industry such as garment and textile is a very dynamic industry where fashion trends change rapidly in a short time. How can produce products that can adjust to consumer trends or needs become a strategy in increasing the efficiency of SCM. SCM downstream side needs, namely customers must be analyzed by analyzing customer experience such as social influence and analysis to avoid running out of stock, the two things are analyzed with certain attributes. Consumer needs can be explored based on customer purchase history and the phenomenon of current fashion trends. Online marketing, e-commerce, social media as trading media can provide knowledge. Methods related to data analysis such as big data analysis and social trends continue to develop. In this study, the concept of analytic data will be proposed by applying various factors such as social factors, social influences, business, trade, purchase history, collaborated with various techniques with the aim of knowing the needs of people in the fashion world. What data is relevant will be analyzed and processed by relevant methods with the result tendency community on certain fashion. This research will produce an analytical data model of social influence that focuses on the domain of the fashion world which is the input and recommendation for the downstream part of the Supply Chain Management System in order to increase the efficiency and effectiveness of SCM. Keywords: data analytic; social informatic; SCM; fashion industry; PermaLink | Plain Format | Corresponding Author (Puspita Nurul Sabrina)

72	Computer Science	ABS-268
An Integration of National Identity towards Single Identity Number with Blockchain Rana Zaini Fathiyana (a*), Fadhil Hidayat (b), Budi Rahardjo (b) a) School of Energy, Bandung Institute of Technology Jalan Ganesha 10, Bandung 40132, Indonesia b) School of Energy, Bandung Institute of Technology Jalan Ganesha 10, Bandung 40132, Indonesia Abstract The lack of coordination in the integration of information systems between government agencies that issue identity numbers causes replication and redundancy of population information data. Another problem is the emergence of citizens concerns over data integrity and security due to national identification records is also used by the private sector. In this paper, one of the solutions offered to overcome the above problem is to build an integrated national identification database system between government agencies by applying the concept of Single Identity Number (SIN) using blockchain technology. Blockchain is a secure and robust system for keeping a record of the identities of all citizens and also able to facilitate data integration between institutions. This paper uses the strengths of blockchain to possess characteristics of immutability that it is possible to store national identification records. The available attributes of the national identification records can be used effectively in applications such as health care records, passport issuance, banking, etc. Keywords: National identity; Single identity, Blockchain PermaLink | Plain Format | Corresponding Author (Rana Zaini Fathiyana)

73	Computer Science	ABS-20
A GIS-Based Logic Scoring of Preference Method for Land Suitability Evaluation for Housing Rina Marina Masri Universitas Pendidikan Indonesia Abstract Abstract. The purpose of research were: (1) designing digital data base management system for housing land suitability evaluation, (2) creating geographic information system based logic scoring of preference method for housing land suitability evaluation, (3) producing the housing zone of land suitability evaluation. Karawang district was research location. The research was conducted on January 2019 to July 2019. The research is using descriptive method. The research population is physical, social-economic and environmental conditions. The sampling technique is purposive. Research instruments are measurement and mapping tools, questionnaires, observations, computer hardware and software. Primary data taken by physical, chemical and biological environment and social-economic. Secondary data taken are maps of soil texture, soil drainage, soil type, erosion, slope, effective depth of soil and flooding. Spatial analysis is used to superimpose layers, using GIS software. Thematic map which was producing the housing zone of land suitability evaluation from GIS software, satellite imagery from internet could be more accurate and effective than conventional and analog method. Keywords: GIS, logic scoring of preference, land suitability evaluation, housing PermaLink | Plain Format | Corresponding Author (Rina Marina Masri)

74	Computer Science	ABS-21
Land Suitabiliy Evaluation for Housing and Residential Based on GIS, Satellite Imagery and DTM Iskandar Muda Purwaamijaya Universitas Pendidikan Indonesia Abstract Abstract. The aim of research were: (1) making conceptual, functional model and implementing land suitability evaluation for housing and residential based on GIS, satellite imgery and DTM, (2) creating data base management system of land suitability evaluation for housing and residential based on GIS, satellite imagery and DTM, (3) producing thematic map of land suitability evaluation for housing and residential based on GIS, satellite imagery and DTM. Research location was in Bogor district. The research was conducted on January 2019 to July 2019. The research is using descriptive method. The research population is physical, chemical, biological and environmental conditions. The sampling technique is purposive. Research instruments are measurement and mapping tools, questionnaires, observations, computer hardware and software. Primary data taken by physical, chemical and biological environment. Secondary data taken are maps of soil texture, soil drainage, soil type, erosion, slope, effective depth of soil and flooding. Spatial analysis is used to superimpose layers, using GIS software. Themathic map which was producing land suitability evaluation for housing and residential based on GIS, satellite imagery, DTM from GIS software and satellite imagery from internet could be more accurate and effective than conventional and analog method. Keywords: land suitability evaluation, housing and residential, GIS, satellite imagery, DTM PermaLink | Plain Format | Corresponding Author (Iskandar Muda Purwaamijaya)

75	Computer Science	ABS-24
Simulation Model of freights transportation distribution system based on algorithms gravity single constraint Juang Akbardin Civil engineering of Universitas Pendidikan Indonesia Abstract Generating and atracting movements is a phenomenon of need for distribution in a zone in a region. Movement distribution model has an important role to increase economic and regional growth. The model design strategy is determined based on alternative supply and demand generation and the atractionl of movement. The need for strategies to limit supply and demand is determined by restrictions on generation or atraction of movement. The method of limiting the generation or atraction of movement as a distribution system model solution is single constraint. Distribution system modeling with one limitation is based on gravity modeling. Distribution system simulation modeling is built the gravity algorithm. Distribution system starts from constructing generation models with variables that determine the generation of movement. The socio-demographic, infrastructure and freights vehicle are used in this variable modeling. The model was tested with statistical parameters with a test of determination and correlation test. Distribution system modeling is then accumulated in computational models of basic matrices that are defined based on the specified zone. The matrix iteration process in the model calibration will determine results of distribution system model with results of matrix convergence defined. Keywords: Modeling, distribution systems, transportation of freights, gravity algorithms, single constraints PermaLink | Plain Format | Corresponding Author (Juang Akbardin)

76	Computer Science	ABS-28
Implementation of Rivest Chiper Cryptography with One Time Password and Two Central Facilities Protocol in Complaint Service System Muhamad Nursalman, Eddy Prasetyo Nugroho, Ferryan Reynaldi AN Universitas Pendidikan Indonesia Abstract In the field of communication there are services that function as a means of community service. This service is useful for facilitating or accelerating community action in reporting and providing first aid to the authorities. The form of assistance services is oriented towards public complaints on emergency services. However, in this study it will only be more emphasized for complaints services related to the Polsek agency. In addition to the positive aspects of this service, there are also negative impacts such as sending fake data or misuse of someones data, therefore a Complaint Service security system is created using the Two Central Facilities Protocol, assisted by cryptographic security methods using the RC6 algorithm, which when when the login reporter will enter the validation number generated with One Time Password sent via email which aims to find out that the reporter is actually logged in and for the reporter report data security using the RC6 algorithm which is used when encryption and decryption of reporting data is sent to the police station or police station. From the system, obtaining the assessment of the user or user, the following are aspects of the assessment: Usability, Information Quality, and Interaction Quality from all aspects get an average value of 81%, 82.8%, and 83.1%. Keywords: Complaint Service, RC6 Algorithm, One Time Password, Protocol Two Central Facilities, Cryptography PermaLink | Plain Format | Corresponding Author (Muhamad Nursalman)

77	Computer Science	ABS-29
Kinect Based Motion Capture for 3D Character Animation Yaya Wihardi, Eka Fitrajaya Rahman, Fadhil Farras H.N. Universitas Pendidikan Indonesia Abstract In this research, we present a low cost motion capture system for 3D character animation by utilizing RGB-D sensor such as Kinect. The system capture the human motion and apply it on a 3D character. Animated 3D character recorded by a 3D animator environment and rendered as a part of animation production. In order to evaluate time execution of the system, we compare two rotation methods: Euler and Quaternion. The result show that Quaternion more efficient than Euler. Keywords: motion capture, animation, Kinect PermaLink | Plain Format | Corresponding Author (Yaya Wihardi)

78	Computer Science	ABS-40
Multi Criteria Evaluation for Vocational School Zone Based on Geographic Information System Irma Widianingsih, Iskandar Muda Purwaamijaya, Rina Marina Masri Universitas Pendidikan Indonesia Abstract Abstract. The aim of research were: (1) making conceptual, functional model and implementing multi criteria evaluation for vocational school zone based on geographic information system, (2) creating data base management system of vocational school zone based on geographic information system, (3) producing thematic map of vocational school zone based on geographic information system. Research location was in Bandung district. The research was conducted on January 2019 to July 2019. The research is using descriptive method. The research population is physical, chemical, biological and environmental conditions. The sampling technique is purposive. Research instruments are measurement and mapping tools, questionnaires, observations, computer hardware and software. Primary data taken by physical, chemical and biological environment. Secondary data taken are maps of soil texture, soil drainage, soil type, erosion, slope, effective depth of soil and flooding. Spatial analysis is used to superimpose layers, using GIS software. Themathic map which was producing multi criteria evaluation for vocational school zone based on geographic information system, from GIS software could be more accurate and effective than conventional and analog method. Keywords: Multi criteria evaluation, vocational school zone, geographic information system PermaLink | Plain Format | Corresponding Author (Irma Widianingsih)

79	Computer Science	ABS-41
A Study Review of Common Big Data Architecture for Small Medium Enterprise Ridwan Fadjar Septian (a*), Fajri Abdillah (b), Tajhul Faijin Aliyudin (c) a) Master of Information System, Faculty of Postgraduate, Universitas Komputer Indonesia, Indonesia *ridwanbejo[at]gmail.com b) Senior Software Engineer, Horangi Cyber Security, Indonesia c) Senior System Engineer, Tado.live, Indonesia Abstract Big data is related to vast amount of data that could reach more than Gigabytes until Exabyte of data. Nowadays, there are many companies that already achieves exponential data growth that produced by their applications system. The technologies to maintain those dataset is not limited to single instance of database. Majority of those company have been used various tools that could help to maintain their big data system. This paper will be composed by conducting a document review and collect papers that related to big data solution and infrastructure. Afterwards, this paper might be a foundation to conduct another research for big data solution topic. The survey are trying to cover the phases for building a common big data pipelines by following these structures: enterprise vision and mission that affect the big data architecture, defining the data sources that become a center point of the business, building the backend services to collect the datapoint from the data sources, utilize the data pipeline to prevent data loss, consuming the data pipeline message and deliver it to the data storage, build the raw data storage, define business-driven data visualization and analytics, build the ETL (extract, transform, load), build business-oriented data storage, applying statistical and machine learning, perform the business-driven visualization and implementing the monitoring for the big data pipelines. By the end of the study review, The survey will emphasize that there are many big data component that could help the small-medium enterprise to tackle their big data operational issues. And the small-medium enterprise could gain a knowledge to utilize some products from open source and proprietary to help manage their large-scale dataset as a comprehensive pipeline. Keywords: big data architecture, data engineering, message queue, message streaming, datalake, data warehouse, data visualization PermaLink | Plain Format | Corresponding Author (Ridwan Fadjar Septian)

80	Computer Science	ABS-301
Design and Manufacture of database prototype Taman Baca Rakyat Ratna Widyati Universitas Negeri Jakarta Abstract Taman Baca Rakyat is one of the institutions in the midst of the community that supports efforts to foster interest in reading. Taman Bacaan Rakyat (TBR) is a means or institution of cultural fondness for reading communities that provide services of reading material in the form of: books, magazines, tabloids, newspapers, comics, and other multimedia materials. The research carried out is still in the initiation stage, namely making a database design and prototype from Taman Baca Rakyat. Data collection techniques through literature study, interviews and observations. The results obtained are database prototype Taman Baca Rakyat. Keywords: Taman Baca Rakyat, Prototype PermaLink | Plain Format | Corresponding Author (Ratna Widyati)

81	Computer Science	ABS-47
Dashboard Design for Program of Study in University using Data of Document and Its Content Erna Piantari, Rani Megasari, Kevin Departemen of Computer Science Education, Universitas Pendidikan Indonesia erna.piantari[at]upi.edu Abstract University is a non-profit organization which consists in several unit organization. In Indonesia, the smallest unit organization of university is program of study which serves the citizen by specific education. Indonesia Government monitors all the programs of study by some indicators that represent the program of study performance. Mostly the data that be had by program of study are document and its contents. It becomes a challenge to gather and to present the data from documents become more valuable and easier to use. Dashboard is a system that holds all information so that the organization can use the information to monitor the organization performance. Therefore, in this research it will be designed a dashboard to present information of program of study in university in real time. The dashboard will show the resume of the data that be craw from the document that be saved in cloud storage. The utilize of cloud storage is to be easier to manage the documents and its content. The dashboard will be designed to meet the controlling and monitoring needed by member of faculty and Indonesia government when the audit time comes. Keywords: dashboard, document management, documents content management, study of program, dashboard university PermaLink | Plain Format | Corresponding Author (Erna Piantari)

82	Computer Science	ABS-303
The efficient multiplier GF(2^8) is formed by the NAYK algorithm Muhamad Nursalman Department of Computer Science Education, Faculty of Math and Science Education, Universitas Pendidikan Indonesia Abstract Efficient multiplier in Finite Field is needed in its implementation in the cryptography field. The NAIK algorithm provides fast steps and efficient solutions in forming the desired multiplier. The formation of an efficient multiplier GF(2^8) will be formed with the NAYK algorithm without being constructed from the smallest values, but directly from the value 8 itself. In comparison with the results of the Generalization of Karatsuba Algorithm, the NAYK algorithm provides a more efficient solution. Keywords: Efficient multiplier, Finite Field, GF(2^8), NAYK Algorithm, Generalization of Karatsuba Algorithm PermaLink | Plain Format | Corresponding Author (Muhamad Nursalman)

83	Computer Science	ABS-307
Web-Based Lecture Evaluation Application Fariani Hermin Indiyah, Ratna Widyati, Mulyono Universitas Negeri Jakarta Abstract The lecture evaluation application is one solution for the management of the study program administration. This application system is able to store and process academic data systematically from year to year, with the support of computer technology and software provided. Evaluation trends from year to year in each study program, faculty, or overall with high complexity can also be done. Keywords: lecture evaluation application, evaluation trends PermaLink | Plain Format | Corresponding Author (Fariani Hermin Indiyah)

84	Computer Science	ABS-63
Language Mapping Using ArcGIS Software A. Fadlilah (a); J. Julian (b); A. Hakim (c) (a) Universitas Pendidikan Indonesia; (b) Universitas Pendidikan Indonesia; (c) Universitas Islam Bandung Abstract The world of technology is increasingly sophisticated so that science is required to keep up with its developments, including the problem of language mapping. ArchGis software is a technology tool that can be used to map languages in certain regions. This study aims to utilize ArcGIS software in dialectology practice. The method in this study is divided into several stages: first, the stages of installing ArchGis software onto a student laptop; Second, the stages of providing language alignment data to students; third, the stage of introducing ArchGis software and how to use it to students; and fourth, the stages of practicing ArchGis software in mapping languages. The subjects in this study were undergraduate students (S1) in the sixth semester of the Indonesian language and literature study program at Universitas Pendidikan Indonesia Bandung, Indonesia. The results of this study students feel helped and very enthusiastic about learning dialectology courses by utilizing ArchGis software as a learning media because it is very effectively used to map languages. The conclusion of this study is that ArchGis software is an effective tool for retrieving practical data on dialectology research. Keywords: Language mapping, ArcGIS Software, and Dialectology. PermaLink | Plain Format | Corresponding Author (Afi Fadlilah)

85	Computer Science	ABS-103
Developing an Assessment Model of E-Government Software Assets for Maintenance Recommendations: A Case Study in BKD Bandung Rizqia Lestika Atimi State Polytechnic of Ketapang, Jalan Rangge Sentap, Dalong, Sukaharja, Delta Pawan, Kabupaten Ketapang, Kalimantan Barat 78112, Indonesia Abstract This study developed a model of e-Government software asset assessment for its maintenance recommendations. A case study conducted in Badan Kepegawaian Daerah (BKD) Bandung. The steps consist of the identification of software asset management, developing of asset assesment, and proposing of maintenance recommendations were carried out in this investigation. The Likert questionnaire and task analysis were used to assess the e-Government software based on two essential aspects regarding business value and technical value. It is found that the business values and the technical values averages for the software of SIM Gaji, SIMPEG, and SIAP are in high category (the entire average score between 3.00 – 4.00). The recommendations are ordinary maintenance and feasible to use. Thus, the model developed in this study is appropriate to use for assessing e-Government softwares. To provide a comprehensive maintenance recommendations, the future studies might be used additional aspects besides the business and technical value. Keywords: Assessment model; Business and technical value; Maintenance recommendations; Software evolution. PermaLink | Plain Format | Corresponding Author (Rizqia Lestika Atimi)

86	Computer Science	ABS-104
Garbage Bank in Elementary Schools for The Clean Life and Love the Environment Education Budi Laksono Putro, Waslaluddin, Rizky Rachman Judhie Putra Universitas Pendidikan Indonesia Abstract A healthy and clean environment is essential for human survival. Garbage is one of the problems in creating a clean and healthy environment. This research develops a Garbage Bank in Elementary Schools for clean living and environment-friendly education. The Garbage Bank in elementary schools manages waste to be of economic value. The object of this study was elementary school students in the Rancabolang Village, Gedebage Bandung. Clean life education and environmental love for elementary school students by applying the 3-R principles, namely: Reducing, Reusing and Recycling Waste. The development of the Garbage Bank in Elementary Schools is made based on the Waterfall method, object-oriented modeling, web-based, and PHP programming language. The stages of this research include the study of literature, needs analysis, system design, implementation, testing, analysis, and conclusions. The application of the Garbage Bank software in elementary schools can improve clean living education and environmental love for elementary school children in Rancabolang. Keywords: Clean Life, Garbage Bank, Software, Object Oriented PermaLink | Plain Format | Corresponding Author (Waslaluddin Waslaluddin)

87	Computer Science	ABS-109
Deep Learning Based Complaint Classification for Indonesia Telecommunication Company’s Call Center Shinta Devi Lukitasari, Fadhil Hidayat School of Electrical Engineering and Informatics Bandung Institute of Technology Abstract The preliminary research was held to utilize the call center conversations records from a broadband telecommunications company in Indonesia. There is a need from company to classify customer’s complaints automatically by a system to minimize human errors and at once streamline the business processes and resources. Natural Language Processing (NLP), as an integral part of artificial intelligence (AI), empower machines to understand human languages for performing beneficial tasks. The growth of deep learning is the main driver behind NLP for performing various practical applications and business, therefore deep learning is expected to overcome the problems encountered. This paper explains the methods used in designing the classification systems based on deep learning. Literature review is conducted to find the proper algorithm used in classifying problems. Furthermore, it also explains the stages performed in preparing the data and building the system model. From experiments conducted, it can be stated that the RNN algorithm can be used in the classification of customer complaints with the results shown by the accuracy value of the model. Keywords: call center, deep learning, intent, complaint, classification, RNN PermaLink | Plain Format | Corresponding Author (Shinta Devi Lukitasari)

88	Computer Science	ABS-139
Location Determination of Vehicle Tax Payment Center Using K-Means Clustering Algorithm Herbert Siregar, Fiko UPI Abstract Determination of the right location of vehicle tax payment center is very important due to an increase in the number of vehicle, and the limitation of its facilties and officers. Moreover, the distribution of taxpayer residential is uneven. This research proposed an alternative method to determine the right location by using K-Means clustering algorithm. In order to get the fixed cluster and the optimun one, we cluster 1,031 geolocation (latitude and longitude) of respondence and evaluate it by using silhouette coefficient. The result show that our cluster have a good consistency. Keywords: clustering, K-Means, vehicle tax payment, fixed cluster, optimum cluster PermaLink | Plain Format | Corresponding Author (Herbert Siregar)

89	Computer Science	ABS-153
Facial Expression Recognition on The Classroom Environments Wawan Setiawan, Yaya Wihardi, Enjun Junateti, Naufan Rusyda Faikar Universitas Pendidikan Indonesia Abstract Facial expression recognition is the process of identifying the expression that is displayed by a person. It can be used to evaluate the mood of students during a class so that can help teachers improve the learning goal achievement. However, the recognition process in real environments such as in classrooms is still a challenging problem due to different expressions and illumination under arbitrary poses. In this paper we present a convolutional neural network based method that combining with gray level coocurence matrix. The result show that the proposed method can recognize three category of student facial expressions that represent good, bad, and neutral mood. Keywords: Facial Expression, CNN, GLCM, Mood Detection PermaLink | Plain Format | Corresponding Author (Yaya Wihardi)

90	Computer Science	ABS-155
An Architecture of Market-Place Platform for Agribusiness In Indonesia Erna Piantari, Herdi Ashaury, Enjun, Venkata Harshavardhan Nagalla Departemen Pendidikan Ilmu Komputer, Universitas Pendidikan Indonesia - Indonesia Teknik Informatika, Universitas Jenderal Achmad Yani - Indonesia University of the Cumberlands, Kentucy - USA Abstract Nowadays the development of information technology has driven the development of e-commerce which is quite promising in Indonesia. This development has brought an era of new digital-based creative developments. Agriculture as one of the economic and community welfare bases in Indonesia needs to be developed and supported with information technology. One of the technologies commonly used in sales and marketing is the marketplace. This study aims to create a marketplace architecture model that is in accordance with the characteristics of business actors in agribusiness. The marketplace architecture is built based on the architecture of the Next Generation E-Commerce Platform and Agriculture Supply Chain Management. Keywords: marketplace, agribusiness e-commerce, e-commerce, Agriculture SCM PermaLink | Plain Format | Corresponding Author (Erna Piantari)

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