Indonesia Conference Directory

Corresponding Author
Ayu Latifah

Institutions
Department of Informatics, Sekolah Tinggi Teknologi Garut, Jl. Mayor Syamsu No. 1, Garut, Indonesia
*ayulatifah[at]sttgarut.ac.id

Abstract
Hybrid underwater glider is a class from autonomous underwater vehicle (AUV) that the concept of a buoyancy-engine to drive the vehicle sinking or floating are integrated and propeller propulsion systems for variable motion. This kind of vehicle has multi-functionality that enables to maneuver with glider and AUV mode so that it is effective tool for oceanographic research. To represent the vehicle dynamic, the mathematical model base on newton-euler approach is designed as nonlinear equation that derive from forces and moment that acting from the vehicle design. For glider motion, buoyancy-engine and moving mass are coupled for working as input controller actuator, and there is controlling need to make the vehicle go to mission point in some depth for a mission. In this paper depth controller will be designed to make the vehicle stay on depth condition. PID controller are used for controller design, that the mathematical model are derived to linier model. Simulation on Simulink MATLAB are used to design the model and get vehicle dynamic respon. With vehicle characteristic for glider motion, desired waypoint obtained with PD control for moving mass in x-axes and P controller for buoyancy engine.

Keywords
HUG; AUV; Depth control; linear; PID

Topic
Electronics Engineering

Link: https://ifory.id/abstract/KdHV2x9DvgqM

Corresponding Author
Ayu Latifah

Institutions
Department of Informatics, Sekolah Tinggi Teknologi Garut, Jl. Mayos Syamsu No. 1, Garut, Indonesia

Abstract
A new class of autonomous underwater vehicle (AUV) is hybrid underwater glider (HUG) that integrates buoyancy engine and propeller as main actuator. This kind of vehicle has multi-mode to act, that is glider and AUV mode that derive to mathematical model for longitudinal and lateral plane. To design steer control of HUG, the mathematical model derive to linier equation, and the variable controller is rudder for yaw control and main thruster for speed control of HUG. The method of control design are PID, there is PD for yaw controller and P for speed controller that are simulated using Simulink MATLAB to get response so that we can verified the dynamic model for steering control using waypoint desire. The results demonstrate dynamic response for lateral plane over waypoint on the surfaces of water.

Keywords
AUV; HUG; Steer control; linear; Simulink MATLAB

Topic
Electronics Engineering

Link: https://ifory.id/abstract/yfEegMzqHZar

Corresponding Author
Muhammad Arsyad

Institutions
a) Mechanical Engineering Department, Politeknik Negeri Ujung Pandang, Jalan Perintis Kemerdekaan KM.10 Tamalanrea, Makassar 90245, Indonesia
b) Mechanical Engineering Department, Univeristas Brawijaya, Jalan M.T. Haryono No.167 Malang 65145, Indonesia
* arsyadhabe[at]poliupg.ac.id

Abstract
The objectives of research is to determine the effect of long soaking of coconut fiber in alkaline solution to the tensile strength of coconut fiber. The testing stages include preparation, soaking, drying, testing, and analysis. The materials used consist of coconut fiber, alkali solution, aquades, tensile test equipment, and furnace. Coconut fiber is soaked in an alkali solution with a concentration of 20% for 1, 5, 7, 9, and 11 hours. Then, the coconut fiber was rinsed with aquades before being dried in a furnace at 90oC for 5 hours. Furthermore, tests of mechanical properties include a single fiber tensile of coconut fiber with ASTM. Based on the results and discussion, it can be concluded that (a) the alkali treatment decreases the amount of hemicellulose and cellulose in coconut fiber, (b) the maximum tensile strength obtained at 7 hour treatment is 223.907 N/mm2.

Keywords
soaking; alkali; tensile; coir

Topic
Material Science

Link: https://ifory.id/abstract/tyupjgePEwFB

Corresponding Author
Dian Saadillah Maylawati

Institutions
(1) Department of Informatics, UIN Sunan Gunung Djati Bandung, Indonesia
(2) Faculty of Information and Technology, Universiti Teknikal Malaysia Melaka, Malaysia

Abstract
Cathfish cultivation in Indonesia is a very promising business opportunity with a big profits. Every year, market demand continues to increase. However, this is contrary with the lack of catfish farmers knowledge, so that catfish yields are not optimal. This is because, for certain types of catfish such as Sangkuriang catfish, it is easy to contract certain diseases. This study aims to create an automated system that capable of detecting catfish disease based on its symptoms with image recognition techniques. Early detection of catfish disease can help to find out the causes and prevention, so that the yield remains optimally. The method that used in this study is Principal Component Analysis (PCA) for feature extraction in images combined with K-Nearest Neigbor (KNN) with Euclidean Distance to classify catfish diseases among others: white spots, edema (abdominal swelling), jaundice, and bent spinal disease (scoliosis and lordosis). Based on the results of the experiment using 30 images data for training and 20 images data for testing, 18 image data is classified correctly. This result proves that PCA and KNN able to detect catfish disease well with percentage of accuracy around 90%.

Keywords
Catfish, Data Mining, Euclidean Distance, Image Recognition, KNN, PCA

Topic
Computer Science

Link: https://ifory.id/abstract/36HvrjnAZgpE

Corresponding Author
Dini Destiani Siti Fatimah

Institutions
Departement of Informatics, Sekolah Tinggi Teknologi Garut
Jalan Mayor Syamsu No. 1, Jayaraga, Garut 44151
*dini.dsf[at]sttgarut.ac.id

Abstract
The village is an area that has a low population density, homogeneous social interactions, works in the field of agriculture and is the lowest government body under the sub-district. The progress of a village varies, depending on its ease in exchanging resources for the lives of its people. Remote villages are villages that are difficult to exchange resources with other regions, so that growth is hampered. The presence of the internet is expected to be able to open access to information to empower disadvantaged villages, among others, by creating village websites. The website is one means of introducing villages to other regions, so that there is an exchange of products and cultures that increase the prosperity of the village. Based on this, the research aims to design a village website. The methodology used in this design uses the mechanism for designing object-oriented Unified Approach websites. This method provides two major stages, namely Object Oriented Analysis and Object Oriented Design, with the help of Unified Modeling Language modeling. The results of the study are village websites that provide information on agricultural products and processed products offered to other regions. Since this website can be accessed globally, information about the village can be spread throughout the world. Website information can be updated by village officials through training for six hours. System development can be done by providing consultation facilities between village officials and system makers. The conclusion of this study is that the village website produced can be used to provide information about the work of the village community so that it can be marketed to other regions. This website can also be integrated with school and marketplace web.

Keywords
Marketplace, Remote Village, School, Unified Approach

Topic
Computer Science

Link: https://ifory.id/abstract/DJhfCz8H4YMx

Corresponding Author
Mega Novita

Institutions
a) Faculty of Engineering and Informatics, Universitas PGRI Semarang, Jl. Sidodadi-Timur No.24 Semarang, Central Java 50232, Indonesia
*novita[at]upgris.ac.id
b) Faculty of Mathematics, Natural Science and Information Technology Eduation, Universitas PGRI Semarang, Jl. Sidodadi-Timur No.24 Semarang, Central Java 50232, Indonesia
c) Lembaga Penelitian dan Pengabdian Kepada Masyarakat, Universitas PGRI Semarang, Jl. Lontar No.1 Semarang, Central Java 50232, Indonesia
d) School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen Sanda, Hyogo 669-1337 Japan

Abstract
We performed an investigation on (alpha)-Al(_{2})O(_{3}): Mn(^{3+}) material based on first-principles calculations without referring to any experimental parameter for the first time. In order to estimate the lattice relaxation effect due to Mn(^{3+}) substitution, we carried out a geometry optimization using Cambridge Serial Total Energy Package (CASTEP) code. Next, the molecular orbitals (MO) were calculated using the discrete variational-X(alpha) (DV-X(alpha)) method while the multiplet energies were calculated discrete variational multi-electron (DVME) method. Since, the multiplet energies are generally overestimated, here we also used the energy corrections to improve the accuracy. We thus compared our calculated results with the observed data reported by McClure et. al., (1962). The results shows that by considering both of the lattice relaxation effect and the energy corrections, the agreement between our calculated results and the observed data is improved.

Keywords
Mn3+, a-Al2O3, first-principles, DV-Xa, DVME

Topic
Material Science

Link: https://ifory.id/abstract/WXfJLqx83BA7

Corresponding Author
Mega Novita

Institutions
a) Faculty of Engineering and Informatics, Universitas PGRI Semarang, Jl. Sidodadi-Timur No.24 Semarang, Central Java 50232, Indonesia
*novita[at]upgris.ac.id
b) Lembaga Penelitian dan Pengabdian Kepada Masyarakat, Universitas PGRI Semarang, Jl. Lontar No.1 Semarang, Central Java 50232, Indonesia
c) School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen Sanda, Hyogo 669-1337 Japan

Abstract
Ruby, or the trivalent chromium ion activated in alumina crystal ((alpha)-Al(_{2})O(_{3}): Cr(^{3+})), needless to say, is a beautiful gemstone and known as the first solid-state laser in history. The so-called "ruby pressure scale" using its fluorescence lines is particularly popular in high-pressure science because of the simplicity and the accuracy of optical measurements in the diamond-anvil cell (DAC) experiments. Therefore, here performed first-principles band-structure calculations on the effect of external pressure on ruby bond length without referring to any experimental parameter. Cambridge Serial Total Energy Package (CASTEP) code was utilized to estimate the lattice relaxation effect as the external pressure applied which results in the ruby bond length. Firstly, we carried out the structural optimization of the pure (alpha)-Al(_{2})O(_{3}) crystal and then followed by the geometry optimization of (alpha)-Al(_{2})O(_{3}): Cr(^{3+}). The results show that Al-O bond lengths of the pure (alpha)-Al(_{2})O(_{3}) crystal and Cr-O bond lengths of (alpha)-Al(_{2})O(_{3}): Cr(^{3+}) decreased as the applied pressure increased.

Keywords
pressure, first-principles, CASTEP, a-Al2O3

Topic
Material Science

Link: https://ifory.id/abstract/RpdkUZzcYGLW

Corresponding Author
Bentang Arief Budiman

Institutions
1Faculty of Mechanical and Aerospace Engineering, Institut Teknologi Bandung, Ganesha street no. 10, Bandung 40132, Indonesia
2National Center for Sustainable Transportation Technology, Indonesia

Abstract
Graphite is a fascinating material to study in nanotechnology. Surface profile and roughness of the graphite are some of the most important parameters to determine many physical and mechanical behaviors including friction or bonding condition. To acquire certain surface profile, mechanical polishing treatment is one of the easiest ways that can be applied. In this work, graphite is polished by three different grades of sandpapers (P800, P400, and P220) and cellulose-based paper. The surface properties are observed by a laser microscope and various surface roughness parameters were quantified. The sequential polishing process employed in this work is able to reduce the surface roughness and might improve the physical properties. This work sheds light on the importance of the mechanical surface treatment on graphite.

Keywords
Graphite, surface profile, surface roughness, mechanical treatment, polishing

Topic
Material Engineering

Link: https://ifory.id/abstract/Jx8VQUMn2fZh

Corresponding Author
Prasojo Pribadi

Institutions
(a) Student of Ph.D Program, Universitas Gadjah Mada
Universitas Muhammadiyah Magelang
(b,c,d) Universitas Gadjah Mada

Abstract
Improvement of service quality, customer satisfaction and loyalty give significant contribution to business performance and profitability. This study aims to identify the most critical factors related to hospital service quality in predicting the patients satisfaction and to examining the effect of patient satisfaction on patient loyalty. This research is a quantitative study with a cross sectional approach, involving 280 outpatients and valid questionnaire conducted in two hospital. Finally, the SPSS 21 and AMOS 22 (structural equation modeling) were performed to analyze the data. The lowest index performance is outcome quality (62.10) and highest is quality of personnel (78.89). Meanwhile, the calculation of the patient satisfaction index (PSI) is 75.60. Patient satisfaction is positively influenced by quality of personnel, outcome quality, social responsibility, administrative procedures, and physical aspects. Patients satisfaction has a positive effect on patient loyalty. However, health insurance, quality of medical care, and quality of pharmaceutical care did not influence patient satisfaction. Importance-performance analysis found the hospital institution needs to improve the administrative procedures and outcome quality. Overall the patient is satisfied with the performance of hospital services. Patients are objective controls of an organization. Therefore, hospital managers must be focus on strategies to building relationships with patients.

Keywords
Service quality; Satisfaction; Loyalty; Hospital; Importance-performance analysis

Topic
Management Science

Link: https://ifory.id/abstract/NcwVYpJjkWLh

Corresponding Author
Agung Wahana

Institutions
1Department of Informatics, UIN Sunan Gunung Djati Bandung, Indonesia
2Faculty of Information and Technology, Universiti Teknikal Malaysia Melaka, Malaysia
3Department of Industrial Engineering, Universitas Pasundan, Indonesia

Abstract
In the era of Internet of Things (IoT), various facts, news, and up-to-date information are presented online that can be accessed quickly, anytime, and anywhere. However, sometimes the news which dislayed is not up-to-date or not in accordance with the interests of the reader. This study aims to build a system that can recommend the latest news, which is most often accessed, and that is in accordance with the interests of the reader. The method that used in this study is Collaborative Filtering (CF) to rank news as the best recommendation for readers. Based on the results of experiments conducted on 19 examples of news, the percentage of accuracy results of the recommendations was around 84.2% compared to the manual calculation. This shows that CF capable to provide news recommendations good enough

Keywords
Internet of Things (IoT), recommend the latest news, Collaborative Filtering

Topic
Computer Science

Link: https://ifory.id/abstract/YeGJMadHzcr4

Corresponding Author
Indriyati Hadi Sulistyaningrum Sulistyaingrum

Institutions
a. Doctoral Student, Faculty of Pharmacy, Gadjah Mada University, Indonesia
b. Pharmacy Department, Faculty of Medicine, Sultan Agung Islamic University, Semarang, Indonesia.
c. Department of Pharmaceutics, Faculty of Pharmacy, Gadjah Mada University, Indonesia.
d. Faculty of Medicine, Nursing, and Public Health, Gadjah Mada University, Indonesia

Abstract
This study aimed to analyze the capitation payment utilization and expenditure of drug costs in public and private primary health care. This study was a cross-sectional study with a quantitative approach in Yogyakarta province, Indonesia. The most prevalent diseases found based on the type of primary health care was pulpitis (12.5%) while in private primary health care was an acute upper respiratory infection (13.5%). Characteristic of patients visited was female (68%), 46-55 age group (17%). The cost used in health services were IDR 16,093 (77%) for patient examination and services and IDR 5,097 (23%) for the drug. There were statistically difference for total cost of three diseases, including hypercholesterolemia (p=0.008); acute upper respiratory infection (p= 0.023); and functional dyspepsia (p= 0.015). The highest drug cost based on diseases was refractory anemia (IDR 18,885). The proportion of drug cost was about 23% of the total capitation fund received by PHCs. Drug costs in the capitation system at the private first level health facilities tend to be higher than in the public facilities. Moreover, it is lower than the international standard suggested by WHO. It is recommended to evaluate the capitation system especially the rational proportion of health expenditure to enhance the quality of care.

Keywords
capitation system, drug cost, primary care, universal health coverage

Topic
Management Science

Link: https://ifory.id/abstract/BCnW2dzXGDKm

Corresponding Author
J. Julia

Institutions
PGSD Sumedang, Universitas Pendidikan Indonesia, Bandung, Indonesia

Abstract
Introducing traditional musical instruments to the students in the digital era needs to be facilitated by utilizing several devices, such as a computer keyboard or a laptop as music controllers. By utilizing a computer keyboard as a music controller, the students can recognize the characteristics of sounds, and play melodies from traditional musical instruments in simpler ways. Therefore, this research aims at describing the utilization of Scratch application in controlling music production through a computer keyboard. Following are steps taken: (1) install the Scratch, (2) make the sound buttons, (3) input the sound from traditional musical instruments, and (4) set the sound buttons according to computer keyboard. The production of the music controller has resulted in teaching media used for introducing the sound of traditional musical instruments and playing a series of melodies based on the availability of tone structures in a computer keyboard. The melodies can be played in single-tone, two-tone, and/or more (chord) patterns. To conclude, the utilization of the Scratch as music controllers has potentially facilitated the introduction of traditional musical instruments in the digital era to the students.

Keywords
Scratch application; Musical Controller; Traditional Musical Instruments; Digitalization on Traditional Music

Topic
Computer Science

Link: https://ifory.id/abstract/uHWMnVXZNd8h

Corresponding Author
Hamdani Umar

Institutions
(a) Agrotechnology Department, Faculty of Agriculture, Universitas Samudra, Kota Langsa, 24416 Indonesia
(b) Mechanical Engineering Department, Faculty of Engineering, Universitas Samudra, Kota Langsa, 24416 Indonesia
(c) Mechanical Engineering Department, Faculty of Engineering, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia
(*) hamdani[at]unsyiah.ac.id

Abstract
In the dry season, water supply for agriculture is minimal. Farmers usually use fresh water from a local well to irrigate agricultural areas. Farmers who have relatively adequate capital, irrigate their agricultural areas using high-energy pumping systems to maintain the quality and amount of their farming products. However, in line with the increasing price of energy in the market, the pumping system - which is commonly carried out on remote agricultural areas that are relatively far from the electricity network - has caused a significant increase in the cost of fuel oil. Therefore efforts to utilize renewable energy available in such agricultural areas need to be encouraged. In this study, the design, the installation, and testing of the performance of the Solar-Wind Hybrid Power Plant (S/W-HPP) have been carried out. This system consists of a 100 WP solar power plant, and a 500-watt wind-turbine power plant module as the primary energy source for drip irrigation pumps in an area of 1,000 m2 of food crops. Performance testing of the S/W-HPP system is carried out by proffering the submersible pump a workload at a flow capacity of 60 litres/minute with 60 watts of electric power. The results from field test performance, then, compared with the simulation results. The final analysis will provide fundamental information in the design of the S/W-HPP generating system in drip irrigation applications.

Keywords
Hybrid energy, solar energy, wind energy, water pumps, agricultural areas

Topic
Mechanical Engineering

Link: https://ifory.id/abstract/PCzMeRxQqAFZ

Corresponding Author
Sri Rahayu

Institutions
Department of Informatic Engineering, Sekolah Tinggi Teknologi Garut, Jl. Mayor Syamsu No. 1, Garut 44151, Indonesia

Abstract
Given the global competition that is increasing with the rapid information technology that has penetrated the world of information technology strategic planning education is a mandatory solution that must be considered by Muhammadiyah 2 Kadungora Vocational School located in the region. The focus of this research is to analyze the entire business process at Muhungadiyah 2 Kadungora Vocational School, and design strategic IS / IT. This research begins by explaining the external and internal business environment of Kadungora Muhammadiyah 2 Vocational School to determine the five power models and institutions that define success. Next is an analysis of the external and internal situation of IS / IT to find out the world technology trends and the current portfolio of application institutions. The next step is the strategy process (SI, IT, and SI / IT management), then the last level is to determine the future SI / IT applications of Muhungadiyah 2 Kadungora Vocational School. The results achieved are recommendations for the IS / IT application portfolio that must be owned by Kadungora Muhammadiyah 2 Vocational School

Keywords
APPLICATION PORTOFOLIO;COMPETITIVENESS;INFORMATION TECHNOLOGY;SYSTEM INFORMATION;STRATEGIC PLANNING;

Topic
Computer Science

Link: https://ifory.id/abstract/NXucemjETHDJ

Corresponding Author
Dini Turipanam Alamanda

Institutions
a) Faculty of Social and Politic Sciences, Garut University Samarang 52, Garut, 44151, Indonesia
b) Faculty of Economics, Garut University, Samarang 52, Garut, 44151, Indonesia
*alamanda.dini.2017[at]gmail.com
c) School of Economics and Business, Telkom University, Telekomunikasi 1, Bandung, 40257, Indonesia

Abstract
This study aims to discover what has been done by BPPT Bandung in making the implementation the strategy of Integrated Licensing Services Agency to make Hay.U application Bandung to be effective. The factors used to analyze it is PIECES consisting of performance, information, efficiency, control, economy, and service. Using a qualitative approach, interviews with a number of stakeholders were conducted to get a comprehensive overview of the application which presently becomes the mainstay of Bandung city government. The results of this study reveal that Hay.U can overall support the performance of users and employees. In addition, Hay. U is also able to improve the accuracy of information which can make online licensing system in Bandung effective. However, the Integrated Licensing Service Agency (BPPT) needs to consider the convenience factor for the users when inputting data. Users still have problems with the new technology and the amount of data needing to be attached.

Keywords
e-Government; New Technology; website application

Topic
Information Engineering

Link: https://ifory.id/abstract/MR3TqLyfV2cZ

Corresponding Author
Ferli Septi Irwansyah

Institutions
UIN Sunan Gunung Djati Bandung
*ferli[at]uinsgd.ac.id

Abstract
This research used research and development method with stages of analysis, design and development to produce props of metal coating plates oriented chemical representation. This research is driven by the importance of a chemical learning medium that can present macroscopic, submicroscopic and symbolic representations on metallic coating materials so that material can be delivered well to students. Based on the results of the research, the product is obtained in the form of metal coating props with the characteristics of combining macroscopic, submicroscopic and symbolic representations with guidebooks and worksheets. Validation results indicate that the product is valid with the acquisition of the value of r-count on props of 0.92.

Keywords
props; chemical representation; metal coating

Topic
Chemistry

Link: https://ifory.id/abstract/f8upRegmTJPQ

Corresponding Author
adi susetyaningsih

Institutions
Sekolah Tinggi Teknologi Garut

Abstract
Pedestrian and green lanes are needed to enhance the comfort of activities of urban communities. Pedestrian pathways are important to support population circulation while the green lane functions to beautify the city and maintain air quality in cities. Nevertheless, the condition of pedestrian and green lanes in urban areas is often not well maintained so that their utilization is not optimal. This can be seen from the improper use of pedestrian paths, damage to supporting facilities and the death of plants planted in the green lane. This study identified the characteristics of pedestrian paths and green lanes in the center of Garut and evaluated the use of pedestrian paths and green lanes in cities. The method used is descriptive qualitative analysis. The perception of the community of pedestrian users was analyzed from the results of the questionnaire. Responden was chosen randomly from pedestrian and green lane users along Ahmad Yani road which is the center of Garut. The condition of the pedestrian path along the Ahmad Yani road from the Asian crossing to the Holy Bunderan was damaged in several points so that it disturbed the comfort of pedestrians. Circulation of pedestrians is also disturbed because some pedestrian spaces are actually used by street vendors to sell. The pedestrian facilities along Ahmad Yani Road are still incomplete and some of them are in damaged condition. Facilities that are damaged and not as needed are benches, lack of trash bins and non-lit lighting. Plants in open space which is a green path are in poorly maintained condition and even many die. Community perceptions of the importance of the existence of pedestrian lanes and green lanes also influence the awareness of the user community to help maintain and maintain pedestrian paths and green lanes in urban cities.

Keywords
pedestrian pathways, green lines, public perception

Topic
Civil Engineering

Link: https://ifory.id/abstract/RLwmMkPBH2EX

Corresponding Author
Jumadi Jumadi

Institutions
UIN Sunan Gunung Djati Bandung

Abstract
Every factory based on production, always try to find the best way to get high profit from their capital that spent on production processes. The Konveksi Zom T-Shirt is a factory that produces jacket, shirt and t-shirt. This factory, use simplex method to predict composition and number of items to get maximum profits from available capital. Based on simplex method with parameters; Rp. 2.000.000 as capital, 3.000 minutes as time production, and 6 pcs as minimum productions. This method get result with composition and number of items; 15 pcs of jacket, 6 pcs of shirts, and 22 pcs of t-shirts. The profit of production uses this method can increase 3,5% of profits from conventional method. Finally, this method can be used to support on deciding composition and number of item in productions to get a maximum profit.

Keywords
Linear Programming, Optimation, Simplex method

Topic
Computer Science

Link: https://ifory.id/abstract/4nceJWmzuMQy

Corresponding Author
Dian Saadillah Maylawati

Institutions
(1) Department of Informatics, UIN Sunan Gunung Djati Bandung, Indonesia
(2) Faculty of Information and Technology, Universiti Teknikal Malaysia Melaka, Malaysia

Abstract
One of the Natural Language Processing (NLP) studies that has been widely researched is automatic text summarization. There are a lot of techniques and methods that are proposed for text summarization. However, not much attention have been given on the coherence and cohesion in text. The aim of this study to present an idea to combine Sequential Pattern Mining (SPM) as text representation extracting algorithm and Deep Learning (DL) which is a powerful machine learning technique widely used recently in various data mining studies. This study uses descriptive research methodology that collects all of the facts and information which are related to SPM and DL for text summarization, where NLP as the body of knowledge, SPM and DL as the method, and text summarization as the domain problem that need to be solved. The findings of the study are presented as a logical framework diagram. The illustration of the logical framework can be implemented to further improve automatic text summarization results, in particular, to improve its coherence and cohesion.

Keywords
Data Mining, Deep Learning, Logical Framework, Natural Language Processing, Sequential Pattern Mining, Text Summarization

Topic
Computer Science

Link: https://ifory.id/abstract/N42dkbBFpwyv

Corresponding Author
Ana Widiana

Institutions
(a) Faculty of Science and Technology. UIN Sunan Gunung Djati Bandung. *anawidiana[at]uinsgd.ac.id
Jl. AH. Nasution No. 105 Bandung West Java Indonesia

(b) Faculty of Tarbiyah and Teaching Programme. UIN Sunan Gunung Djati Bandung
Jl. AH. Nasution No. 105 Bandung West Java Indonesia

Abstract
Utilization of cajuput leaf waste as a sheep feed, especially protein content (10.65%) has not met the SNI standard (> 15%).The addition of concentrate with high protein content is expected to increase the protein content in feed and improving the quality of feed (especially ammonia (NH3) production in rumen).The purpose of this research was to know the effect of addition of concentrate in increasing the protein content and also the potential of cajuput leaves waste mixture with field grass as a sheep feedby in vitro test. The experiment used a complete randomized design with three treatments(R1 = 50% field grass + 50% concentrate; R2 = 25% cajuput leaves waste + 25% field grass + 50% concentrate; R3 = 50% cajuput leaves waste + 50% concentrate)with four repetitions. Statisticstest with Anova followed by Duncan test. The results showed that the addition of concentarte to mixtured of waste cajuput leaves and field grass can increased the protein content in feed and affectedtothe production of NH3, VFA, and the digestibility of feed.From various aspects,treatment of R2 most likely to be used for sheep feed.

Keywords
feed, in vitro, Melaleuca cajuputi, Waste

Topic
Biology

Link: https://ifory.id/abstract/BX3bZhVDkapW

Corresponding Author
Ana Widiana

Institutions
(a) Faculty of Tarbiyah and Teaching Programme. UIN Sunan Gunung Djati Bandung.
Jl. AH. Nasution No. 105. Bandung. West Java. Indonesia
(b) Faculty of Science and Technology. UIN Sunan Gunung Djati Bandung.
Jl. AH. Nasution No. 105. Bandung. West Java. Indonesia
*anawidiana[at]uinsgd.ac.id

Abstract
Cajuput plants (Melaleuca cajuputi Powell) and its waste are one of the plants that can produce essential oils. Cajuput plant essential oil has the largest compound component, 1.8 cineol which has the ability as an antibacterial to kill pathogenic bacteria. The purpose of this study was to determine the antibacterial activity of cajuput leaf waste extract against pathogenic bacteria and find out the category of inhibition zones formed from extracts of cajuput leaf waste. This study used a completely randomized design method. Cajuput leaf waste used has a shelf life of 0 months, 2 months and 4 months old. The pathogenic bacteria used consisted of 17 isolates, each treatment was repeated twice. The results showed that cajuput leaf extract had antibacterial activity known by the formation of inhibitory zones. The inhibitory zone in the extract of the 0-month leaf waste was greater than in the leaves extract of leaves of 2 months and 4 months. The diameter of the inhibition zone is at most 13 mm and at least 1 mm. With these results, it can be concluded that the antibacterial activity of eucalyptuscajuput leaf waste belongs to the category of weak to strong.

Keywords
Cajuput leaf waste, antibacterial, pathogenic, inhibition zone

Topic
Biology

Link: https://ifory.id/abstract/Gkrg2MheVYN3

Corresponding Author
kristoko hartomo

Institutions
Faculty of Information Technology, Satya Wacana Christian University, Jalan Diponegoro 52-60 Salatiga, Indonesia

Abstract
Natural disasters which often happens in several cities in central java demanding the government institutions to help the victims. The distribution itself has problems in determining the shortest route which should be chosen properly. Dijkstra algorithm is applied in choosing the shortest route. Dijkstra algorithm is a algorithm that can determine the shortest line from the boarding point to the arrival point by the smallest weight, to display into a map that used google maps api technology. Google maps api is free services provided by google that can be accessed by a browser. This research application logistics produce the distribution of natural disasters with applying dijkstra algorithm on finding shortest route.

Keywords
disaster; distribution; shortest route; algorithm; dijkstra

Topic
Computer Science

Link: https://ifory.id/abstract/RNkVHuAfavTn

Corresponding Author
Yana Aditia Gerhana

Institutions
a) Department of Informatics, UIN Sunan Gunung Djati Bandung
b) School of Graduate Studies, Asia e University Malaysia

Abstract
In the digital era, social media has become an integral part of life. Social media is able to change the way people communicate, interact, collaborate and share knowledge. Today Social media is one of the main platforms for knowledge resources, both for individuals, groups and even organizations. Various techniques are used to utilize knowledge from social media, one of which is through social media data analytics. Current research trends are mostly discussing about the use of social media as a source of knowledge, including research in the field of knowledge management. The purpose of this paper is to provide a better understanding and detailed review of social media research in knowledge management. We carry out a systematic review approach to collect, analyze, and synthesize data on the accuracy and value of previous articles focused on this field of research, addressing various topics, and published in digital databases between 2013 and 2019. The Systematic Literature Review (SLR) method is used to collect and review studies by following the prescribed review procedures. We identified 78 scientific publications that present research on social media and knowledge management systems. Systematic reviews show that social media data analytics has been widely used in various fields, and has become an important part of knowledge management, but not many discuss how knowledge conversion models in the context of the knowledge management system. This discussion offers how to develop a knowledge management system in the behavior of social media.

Keywords
Social media analytics, Knowledge Management System, SLR.

Topic
Computer Science

Link: https://ifory.id/abstract/PVNzAMv2qgBy

Corresponding Author
Ravie Chandren Muniyandi

Institutions

Faculty of Information Science and Technology, University Kebangsaan Malaysia,
43600 Bangi, Selangor, Malaysia.

Abstract
Membrane computing models are bio-inspired and used as intelligent algorithms. To exploit their inherent parallelism, previous studies have mapped one membrane to one thread block of a graphics processing unit (GPU). However, these previous approaches have not addressed the issue of GPU occupancy and the rate of the communication between thread blocks, which is a time consuming process. Here, we present a new classification algorithm to organize dependent objects and membranes based on the thread block communication rate and assign them to sub-matrices for execution by those same threads and thread blocks. This reduces the amount of communication required between threads and thread blocks, allowing the GPUs to maintain the highest possible occupancy. Our results indicate that for 48 objects per membrane, this algorithm facilitates a 93-fold increase in processing speed compared with a 1.6-fold increase associated with previous algorithms.

Keywords
Membrane computing, clustering algorithm, high performance computing, graphic processing units, multiprocessor occupancy

Topic
Informatic and Information System

Link: https://ifory.id/abstract/f6REZVD9zrt3

Corresponding Author
Norshuhani Zamin

Institutions
[1] Universiti Sains Islam Malaysia
[2] Universiti Sains Islam Malaysia
[3] University Malaysia of Computer Science and Engineering
[4] Universiti Kebangsaan Malaysia

Abstract
— Social interaction is an essential component for development of both normal and special needs children. However, many special needs children suffer from a lack of social interaction because they are unable to interpret social cues as well as a failure in social gaze when communicating. One of the ways to cope with these problems is to improve their social cognitive skill by teaching basic emotions through facial expressions. This paper describes the development of a new and sustainable teaching and learning approach using robotics to promote social interaction among special needs children of aged 4-6 years old. The robotic tool can teach basic facial expressions such as happy, sad and angry to increase emotion recognition skill among special needs children. The growing demand for technological innovation to enable empowerment of developing communities requires new and creative educational initiatives. Malaysia has also address it concerns on sustainable education for all spectrum of communities. RoboTherapist is a new teaching and learning method in Malaysia-s special education which targeting the special needs children. The special needs children are children with Autism, children with Down Syndrome, children with ADHD and slow learners. The aim of this research is to make teaching and learning more attentive for special needs children and hence to improve their social interaction in daily-s life and gain confidence to communicate with the people around them.

Keywords
Robotics, Special Needs, Sustainable, Emotions

Topic
Informatic and Information System

Link: https://ifory.id/abstract/83mGPEDUxVcC

Corresponding Author
Sriwati -

Institutions
Universitas Islam Makassar

Abstract
This study aims to (1) learn how to design the control system of an electronic device using voice identification-based smartphones (2) generating electronic device control system and (3) optimize the smartphone functions as a mobile phone than as a means of communication. The method used using the technique of direct observation by observing the success of the software AMR voice in identifying sound. In this design process smartphone as a sound receiver module, arduino as a controller, bluetooth module as the sender and recipient of the data, and the relay as a contact breaker and connecting the electric current, as the output of LCD used to display information on whether the results of voice identification is correct or incorrect. of research tools electronic control device can control electronic devices such as fans, lamps and others depending on what is to be controlled. From the test results it can be concluded that the system control electronic devices by using voice identification-based smartphone that has been designed is divided into several parts, namely the bluetooth module HC-05, arduino uno, relays and software AMR voice as a controller that has been tested to work and function properly.

Keywords
Smartphone, AMR Voice, LCD, Arduino, Bluetooth, Relay

Topic
Electrical and Computer Engineering

Link: https://ifory.id/abstract/gj732afzZbVH

Corresponding Author
Susmini Indriani Lestariningati

Institutions
Universitas Komputer Indonesia, Institut Teknologi Bandung

Abstract
This paper proposes the method of Channel Resources Allocation of wireless Multi-Service Packet Switch CDMA based. As have been known CDMA cell has a fluctuated capacity mainly due to its varying co-channel interference. The simulation is performed to shows the characteristic for Multi-Service Packet Switch traffic such combine CBR, VBR, and ABR users is applied on CDMA system. The idea is to deliver the traffics when capacity increase from assigned minimum value, by implementing Proposed Token Sub-Queue and Multi-Service Traffic Channel Resources Algorithm. In the first time, this method is aim for non-real time traffic such ABR traffic, but the simulation shows that it can be applied further to the real-time connection by prioritizing delaying the drop calls of certain agreed QoS values to re-seize into services. The simulation of proposed method shows better CDMA channel or bandwidth utilization, and suppresses drop call probability for real-time traffic.

Keywords
CDMA, Multi-Service Traffic, Channel Resource Allocation

Topic
Electrical and Computer Engineering

Link: https://ifory.id/abstract/rwXetyHdb7Q8

Corresponding Author
Suryanto Suryanto

Institutions
(a) Universitas Muhamadiyah Yogyakarta
(b) Universitas Sains dan Teknologi Jayapura

Abstract
The Yogyakarta Special Province has implemented school zonation system for students school admission. The policy has raised various responses from communities that need to be well studied in order to find best inputs upon impacts of such a policy. This study aims at revealing the responses of the Yogyakarta people on the implementation of the school zonation system and investigating the strength and weakness of such an implementation. The researchers interview 10 teachers, 10 school principals, and 10 parents that the researchers conveniently met them. In addition, the researchers also administer document analyses to triangulate the data. The findings indicated that communities showed varied responses both positive and negative ones. The positive responses revealed that excitement of the parents on the distance between their home and schools, yet they were also complaint on their failure to send their children to their intended school. The findings also disclosed some strength and weakness of the programs based on the perception of participants of this study.

Keywords
school zonation systems, school zonation implementation, impacts of school zonation

Topic
International Symposium on Social Sciences, Humanities, Education, and Religious Studies

Link: https://ifory.id/abstract/qUe87zQmGD4K

Corresponding Author
Siti Nur Aisyah

Institutions
Assessment Institute for Agricultural Technology Yogyakarta,

Jl. Stadion Maguwoharjo No. 22, Wedomartani, Ngemplak, Sleman, Yogyakarta, Indonesi

Abstract
Minapadi is fish farming in the fields along with rice cultivation. Minapadi cultivation can increase income and increase soil and water fertility. The study aims to determine the responses of several rice varieties in Minapadi cultivation, in the hope of increasing farmers income both from rice production and from fish production. The study was conducted in Samberembe, Candibinangun, Pakem, Sleman, Yogyakarta in March until August 2018. The research is arranged factorial with the first factor is the cultivation system: minapadi and ugadi (shrimp with rice), the second factor is 4 rice varieties: red Sembada, Inpar 30, Inpari 43, and Inpari 42. The results showed that the evaluated rice varieties differ from each other according to their genetic potential which was influenced by their growing environment. There were significant differences in all parameters (plant height, number of tillers, leaf length, leaf width, panicle length, number of filled grains and hollow per panicle, weight of 100 grains and productivity) both in the treatment of varieties and cultivation systems and their interactions. The average productivity in minapadi cultivation was higher (7.79 tons / ha) than ugadi cultivation (7.24 tons / ha). The highest average productivity was achieved by Inpari 43 (8.07 tons / ha) followed by Inpari 42 (7.49 tons / ha) and Sembada variety (7.49 tons / ha), the lowest achieved by Inpari 30 (7, 00 tons / ha)

Keywords
evaluation, minapadi, Yogyakarta

Topic
International Conference on Sustainable Agriculture

Link: https://ifory.id/abstract/cpYa84mLv2xF

Corresponding Author
Siti Nur Aisyah

Institutions
Assessment Institute for Agricultural Technology (AIAT) Yogyakarta,
Jl. Stadion Maguwoharjo No. 22, Wedomartani, Ngemplak, Sleman, Yogyakarta, Indonesia

Abstract
The shallots planting material from True Seed of Shallots (TSS) was influenced by the system nursery before being planted on agricultural land. Healthy seedlings were seeds produced by TSS seed nurseries. The study was carried out at the AIAT Experimental Garden in Banyakan, Siti Mulyo, Piyungan, Bantul in June - July 2018. The study was arranged in a complete randomized block group (RCBD) with the treatment of three seedling system namely tabela, boxes and polybags which were repeated 6 times in Bima varieties produced by AIAT of Central Java. The size of the seedling plots of each variety was 1 x 5 m2 for tabela system, 40 x 60 cm for box systems and polybags measuring 12 x 17 cm. The media used are soil, fuel husks and organic fertilizers with sprinkler irrigation systems. The results showed that the growth power and weight of planted seedlings, number of leaves and plant populations were significantly different, except plant height and root length. Provision of good and healthy planting materials from TSS seeds through the tabela system was the most feasible, based on variables of growth power, number of leaves, seed weight per plant and population.

Keywords
Nursery System, TSS, Seedling

Topic
International Conference on Sustainable Agriculture

Link: https://ifory.id/abstract/gfGc3aAPHvdL