bluuebunny/crossref_metadata_2025_split huggingface dataset:
Synthesis and Functions of Oligomeric and Multidentate Dipyrrin Derivatives and their Complexes
Authors: Nabeshima Tatsuya , Chiba Yusuke , Nakamura Takashi , Matsuoka Ryota 
Published: July 2020

The dipyrrin–metal complexes and especially the boron complex 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY) have recently attracted considerable attention because of their interesting properties and possible applications. We have developed two unique and useful ways to extend versatility and usefulness of the dipyrrin complexes. The first one is the linear and macrocyclic oligomerization of the BODIPY units. These arrangements of the B–F moieties of the oligomerized BODIPY units provide sophisticated functions, such as unique recognition ability toward cationic guest, associated with changes in the photophysical properties by utilizing unprecedented interactions between the B–F and a cationic species. The second one is introduction of additional ligating moieties into the dipyrrin skeleton. The multidentate N2Ox dipyrrin ligands thus obtained form a variety of complexes with 13 and 14 group elements, which are difficult to synthesize using the original N2 dipyrrin derivatives. Interestingly, these unique complexes exhibit novel structures, properties, and functions such as guest recognition, stimuli-responsive structural conversion, switching of the optical properties, excellent stability of the neutral radicals, etc. We believe that these multifunctional dipyrrin complexes will advance the basic chemistry of the dipyrrin complexes and develop their applications in the materials and medicinal chemistry fields.1 Introduction2 Linear Oligomers of Boron–Dipyrrin Complexes3 Cyclic Oligomers of Boron–Dipyrrin Complexes4 A Cyclic Oligomer of Zinc–Dipyrrin Complexes5 Group 13 Element Complexes of N2Ox Dipyrrins6 Chiral N2 and N2Ox Dipyrrin Complexes7 Group 14 Element Complexes of N2O2 Dipyrrins8 Other N2O2 Dipyrrin Complexes with Unique Properties and Functions9 Conclusion
From ‘the global’ to ‘the local’: the future of ‘cooperative orders’ in Central Eurasia in times of complexity
Authors: Korosteleva Elena A. , Petrova Irina 
Published: July 2020

AbstractLiving in times of increasing complexity is hard; it becomes even harder with the realisation of diminishing control. How do we adapt our governance to this complexity to ensure peaceful cohabitation of the established and emergent order regimes? This paper contends that it is important to embrace complexity in full, conceptually and practically, by shifting from ‘the global’ to ‘the local’, to understand the pressure of transformational change and to prepare the ground for the emergence of more resilient and cooperative orders. We apply this complexity-thinking, using a 3P analysis, to Central Eurasia, presently a battleground of three competing order-making regimes—the EU, China and Russia. We argue that for more resilient and cooperative orders to emerge, it is essential to understand and enable ‘the local’ and embrace the region in is diversity, to facilitate a more joined-up and bottom-up governance in managing the complexity of a changing world.
Work-family conflict and well-being: moderating role of spirituality
Authors: Selvarajan T. T. Rajan , Singh Barjinder , Stringer Donna , Chapa Olga 
Published: July 2020

Although literature on work-family conflict and well-being is quite extensive, previous research has not examined the role of spirituality as a mechanism for coping with work-family conflict. In this research, we propose that spirituality moderates the relationship between work-family
conflict and well-being. The research includes a broad range of well-being variables including job and family satisfaction, subjective and psychological well-being. Based on a survey of a large national sample (N = 1130), we found that spirituality mitigated the negative effects
of work-family conflict on a wide range of well-being measures. We discuss implications for theory and practice of work-family conflict and spirituality in organizations.
The Measurement Of Maturity Level In Chili’s Using Index Pixel
Authors: Delina Nurul Kusuma , Ayub Wahab Iis Hamsir , Khairan Amal 
Published: July 2020

Abstract
A lot of knowledge and techniques of image processing which are now available are widely various. Much research as well as development is conducted in terms of detecting ripe fruits, one of which is chili. It is one of the local commodities that is marketable. The process of being ripe chili is relatively fast. Generally, to measure ripeness is still carried out manually. The disadvantage of this method is that the level of accuracy is inconsistent, causing fruit decay in numbers. On behalf of lowering the risk of fruit decay, the research conducted uses index pixel method. This means itself is the normalization of variety illuminated by taking ratio in each group of smallest points in an image processing. In this study, the image taking of chili using box equipped with black background is confirmed to be useful in reducing time of segmentation process. When it is in the process of detecting image by searching for the average of index pixel, then RGB will be counted using Learning Vector Quantization (LVQ) that is the calculation utilizing weighing value. As a result, the classification of maturity level can be seen in the test with a very high percentage value and influence to detect fruit ripeness, signed by the color of RG pixels (red and green) by 94.9% correctly detected, the color pixel RB (red and blue) is quite influential by 93.9% correctly detected, and the color of the GB pixel (green and blue) which was less influential at 63.6% was correctly detected.
Airwave Propagation Analysis on Amateur Radio Frequency 10 MHz in Island Areas
Authors: Abdullah S D , Turuy S , Arief A 
Published: July 2020

Abstract
High Frequency (HF) radio is a radio wave that works at frequencies of 3 to 30 MHz with wavelengths of 100 to 10 m, some of the mountainous areas and islands are still classified as rural areas. Rural areas are rural areas where the population is not too dense and there are no high-rise buildings.With the presence of air wave propagation for HF NVIS radio communication at a frequency of 10 MHz that can be used accurately, it can support the creation of communication systems that have effective service quality and can know the model that matches the characteristics of the area, making it easier for operators to build a amateur radio communication network.Propagation is the most important part in designing a communication network on radio waves that are traversed by having several bacterial conditions such as analyzing propagation, estimating interference, estimating cell parameters, reflection or obstacle and distance.VOACAP stands for Voice of America Coverage Analysis Program. This program is an ionospheric model that can predict the performance of HF that is expected to use empirical data.The power received for Ternate-Tidore with a distance of 15 km is 2,304 Watt, while the transmit power for Ternate-Moti with a distance of 37 km is 3,310 Watts and the transmit power for Ternate-Makian is 1,708. Sendangan for the simulation on VOACAP is 7,943 Watt for Ternate-Tidore, 5,011 Watt, for Ternate-Moti, install 3,981 Watts for Ternate-Makian, this shows that VOACAP software has a greater signal than the calculation
Entrepreneurship Information System Design with ICONIX Process for a Student Business Unit Marketplace
Authors: Pratama A. , Mukaromah S. , Ithriah S. A. , Safitri E. M. 
Published: July 2020

Abstract
Indonesia consistently encourage youth generation to become entrepreneurs who have high competitiveness. University plays a role in developing the entrepreneurial spirit and activities of each student as a representative of the youth generation. University provides entrepreneurship courses that are expected to foster interest and encourage the entrepreneurial spirit of students in creating business units. Student business units can create products or services needed by the community and can employ others. This study aims to design student entrepreneurship information systems. The student entrepreneurship information system is a web application-based marketplace to accommodate and promote all products and services of each student business unit. The results of research in the form of UML design with the ICONIX Process approach can provide an overview development of student entrepreneurship information systems in determining the specifications of user requirements, system requirements specifications, and system design.
Detection of Text Similarity for Indication Plagiarism Using Winnowing Algorithm Based K-gram and Jaccard Coefficient
Authors: Puspaningrum Eva Y , Nugroho Budi , Setiawan Ariyono , Hariyanti Nuraini 
Published: July 2020

Abstract
One of the digital data is a document. Documents can be easily copied and deleted. Anyone can retype or copy parts of the document. In this paper will detect text similarity. The more similarity of words there is the more indicated the document is plagiarism. Winnowing algorithm performs the calculation of hash values of each k-gram. This method improves the search time with more accuracy in the detection process. All data selected hash values will be fingerprints of a document. Fingerprint will be used as a basis for comparing similarities between text data. The fingerprint value of the winnowing process for each document will be matched by using the Jaccard Coefficient to measure the similarity of the text. In this paper results show that the adjustment of the k-gram and window values can affect the final result of the similarity percentage value. The smaller the k-gram value, the greater the percentage value.
Network Security Applications Using the Port Knocking Method
Authors: Idhom Mohammad , Wahanani HE , Fauzi Akhmad 
Published: July 2020

Abstract
The most important point in network services is security of access in the port. However, the problem that occurs is an open port or access that cannot be accessed with authentication that can facilitate unauthorized users to be accessed by the server. This is the basis for increasing access rights to the server that is built without having to close the port used by the user. Therefore a port knocking method is needed. Port knocking is a security system that can perform a function that is blocking unwanted access. In principle, port knocking successfully closes all ports on the server. If the user needs access to the server, the user does a “knock” to use the service, then if the user has finished accessing the port is closed again. The system built in this study uses three ports, namely port 22 (SSH), port 23 (Telnet), and port 80 (Web). Port Access time is 10 seconds each. Based on the results of the analysis and testing of the system implementation carried out, the results of the system can be run properly and can improve the security of network systems that are built compared to networks that do not use Port Knocking security. In research assessing on public and local networks. According to the results analysis, carrying out a remote server via local time requires faster time from a remote server through the public. In the SSH protocol there is a difference in time of 2.42 seconds, Telnet 2.14 seconds, and Web 2.19 seconds.
Integration at the Application Interface Level between SIAMIK and SIPERPUS (a Case Study in XX)
Authors: Wahyuni E D , Novitasari D , Hadi M S , Hasanah N 
Published: July 2020

Abstract
Many business organizations have information systems, but most still operate separately as a silo. The problem that arises is that there is ineffectiveness in the process that is in the application. So the need for an integrated information system that can access two or more systems in the organization is needed. The system integration process is carried out using Enterprise Application Integration (EAI) method at the application interface level. This method is used to integrate academic information systems (SIAMIK) and library information systems (SIPERPUS). The results of this study are that both applications are connected without changing source codes from both applications. The integrated system design can facilitate the admin in the process of registering new users from the SIPERPUS application.
Performance of Delay Tolerant Network Protocol in Smart City Scenario
Authors: Agussalim  , Tsuru Masato , Nur Cahyo W. , Agung Brastama P. 
Published: July 2020

Abstract
The smart city is being developed in many big cities to support local governments for resources and infrastructure optimization in terms of enhancing services for the citizen. Large investment costs are required to implement a communication network for the smart city infrastructure (i.e. Internet of Things (IoT) devices) using 4G or Wi-Fi networks. This study aims to implement Delay Tolerant Network (DTN) as a low-cost alternative network for the smart city. We use Surabaya smart city plan scenario in which smart mobility services are provided in city transportation and infrastructure. The IoT devices are installed in numerous locations and continuously transmit messages to the monitoring server located in the city hall, bus and car employed as a DTN node. In this paper, as a preliminary research, we investigate the performance of well-known DTN routing protocols (Epidemic, Maxprop, and ProphetV2) with our proposed protocol called Spray and Hop Distance (SNHD). The evaluation is performed using the ONE simulator in terms of the number of delivered messages, the average latency, and the overhead ratio. The results show the performance of SNHD is better than the well-known DTN protocols in various conditions when the total size of delivered messages is large. Unfortunately, none of those routing protocols has a good performance in all of the scenario conditions. In the future, we desire to implement this system in real smart city system in Surabaya and do simulation with more realistic scenario such as real traffic-trace.
Binary Classification using Convolutional Neural Network for Attributes Identification of Pedestrian Image
Authors: Siradjuddin Indah Agustien , Subroto Arif , Muntasa Arief 
Published: July 2020

Abstract
Attribute Identification is proposed in this research to help the security system for identifying the attribute of the pedestrian image. Convolutional Neural Network is used as the binary classifier in the proposed research because it has the ability of feature learning; hence handmade feature is not required in this network. The network architecture consists of the Convolutional, Rectified Linear Unit, Pooling, and Fully Connected Layer. Three models are proposed for the attributes identification based on the number of weight layers, they are, ten, eight, and six. There are seven attributes are identified using seven binary classifiers. They are male, hat, long hair, backpack, carrying nothing, shorts, and sandals. The conducted experiments showed that our proposed model achieved higher accuracy for several attributes compare to the previous model. The highest accuracy achieved in this research is 86.7% for the male attribute, and the lowest is 26.7% for footwear sandals.
Design of Virtual Reality Application for Taharah Using 3D Blender
Authors: Anamisa D R , Yusuf M , Mufarroha F A , Rohmah N 
Published: July 2020

Abstract
Taharah or purification is worship to God through cleaning some parts of the body with ablution and dry ablution or cleansing body from Najis or ritually unclean, such as small or big Hadas. Taharah is compulsory before pray and Tawaf. Moslem should understand the procedures of taharah. Now a days, taharah information is delivered through book, video compact disk (VCD) or websites. Taharah is not only knowledge but should be practice correctly. Therefore, this research aims to develop virtual reality application using 3D animation for learning Taharah, including ablution, dry ablution and cleaning ritually unclean. This application is using an Android operating system, 3D Blender modelling and unity for mobile device design. Furthermore, this application contains the Taharah theory and the rules. Moreover, this research makes a contribution by providing a virtual reality system of taharah based on 3D Blender. The testing result shows this application achieves 69.6% of effectiveness comparing to printing media for taharah learning media. The object testing is Moslem students with age of 11 years above.
Mobile Expert System Using Forward Chaining for Diagnosing Teak Tree Disease
Authors: Imamah  , Agustiono Wahyudi , Rochman Eka Malasari , Firdaus Nuris 
Published: July 2020

Abstract
The teak trees is a high-quality wood that grows in Indonesia. Teak trees are susceptible to pests and diseases within the first to 12 months of life. The limited number of agricultural agents in each sub-district becomes a reason why we proposed a mobile expert system to detect pests and diseases in teak trees. The method used in this study is forward chaining. The results of this study showed that 9 of disease were successfully detected by a human expert. Whereas by using the mobile expert system only 7 diseases were successfully detected. From this comparison, the accuracy of the mobile expert system using forward chaining method is 77%.
Development Of Poor Family Selection System Using Simple Multi Attribute Rating Technique Exploiting Rank Method
Authors: Santosa I , Wijaya D A , Mulaab  , Rachmad A , Novianti T 
Published: July 2020

Abstract
In overcoming the problem of poverty, the Office of Community and Village Empowerment of Sampang Regency implements the GEMASAHABAT (Joint Movement Towards Harmonious and Dignified Movement). This program is a program of providing assistance to poor families, but with a large number of poor families, a ranking process is needed to find out poor families that are right on target. The program can be assisted by the existence of a method designed into a decision support system that can include assessment parameters related to ranking poor families, a method deemed appropriate in assisting the ranking process, namely the Simple Multi-Attribute Branch Technique Exploitng Ranks (SMARTER) method, where the method is part of the Multiple Criteria Decision Making method. This method was chosen because it can rank data with multiple criteria. The results of this study are software that was developed based on 100% functionality test and 91% of speed tests stated that high speed and ease of implementation.
An Improved AES Key Generation in Audio Steganography
Authors: Purnamasari D. N. , Ramadhani A. D. 
Published: July 2020

Abstract
The higher Internet use also affects the level of information security in the digital world. Nowadays, many users send private messages or even secret messages through the Internet. This has an impact on the increasing number of illegal people who try to see and even change the information for personal gain. There is a solution to this problem by inserting a secret message in a file such as images, audio, or video. To increase the level of security, secret messages are encrypted first using cryptographic techniques. In this paper we propose a method for developing key generation in audio steganography techniques using the AES (Advanced Encryption Standard) algorithm. We use additional parameters to create the AES key, i.e. the user’s identity. The user’s identity is entered into the key table which is then randomly selected by the system when the user wants to get the key. There is a combination process and hash function to add complexity to the key. The performance of the proposed method is tested based on computing time and audio signal strength. The test results show that the message inserted in the audio file does not affect the file size, but rather affects the audio signal strength. Audio signals that experience additional data are at frequencies of 15 to 20 kHz and for other frequencies only experience additional noise.
Application Monitoring and Evaluation using SMART (Simple Multi attribute Rating Technique) Method
Authors: Fitriani Nurhayati , Suzanti Ika Oktavia , Jauhari Achmad , Khozaimi Ach. 
Published: July 2020

Abstract
Montoring is a systematic process of collecting data from that data to be evaluated to find out the quality of the system, along with times the monitoring and evaluation process is done using technology that can be web-based or android mobile, so that the process of monitoring & evaluation is easier and more efficient. In addition to getting an accurate assessment, it is necessary to apply a method that can process data into an objective assessment, the SMART method is a simple multi-attribute method that can be used in processing data into an accurate assessment. Trunojoyo Madura University Dormitory has many activities aimed at realizing the education of the dormitory character, the activity data is monitored and evaluated to provide an assessment of the activeness of students living in the dormitory. However, the process of monitoring & evaluation of the dormitory is still carried out manually, so an application for monitoring & evaluating the activities of the hostel which uses the SMART method is needed to facilitate the monitoring process and obtain an objective assessment result.
Robot Orientation Estimation Based on Single-Frame of Fish-eye Image
Authors: Fuad Muhammad , Agustinah Trihastuti , Purwanto Djoko , Sardjono Tri Arief , Dikairono Rudy 
Published: July 2020

Abstract
In order to develop the steering control for collision avoidance behaviour, robot must be able to determine its heading orientation with respect to environment. Orientation can be measured by dedicated sensors or through visual features perception. In vision-based orientation estimation problem, most of approaches are making use of a matching process between pair of frames. This paper proposes a method of estimating robot’s heading orientation by using only a single-frame of fish-eye image. CIE-LAB colour space is applied to handle colour and illumination intensity change. Straight line segments are extracted from thresholded CIE-LAB image take advantage of Progressive Probabilistic Hough Transform. Angle of the corresponding line segment is measured using combination of Law of Cosines and quadrant principle. Heading orientation in yaw angle is estimated by implementing voting mechanism based on region grouping and length of perpendicular line. Some experiments are made in robot soccer field environment to compare orientation estimation system against IMU’s measurement. Discussion about the performance and limitation of the system are included in this paper.
Predictive Maintenance Analysis Overhead Crane Machine in PT Bromo Steel Indonesia
Authors: Hadi Sofian , Gustopo Dayal , Indra Dimas 
Published: July 2020

Abstract
Problems that often occur in the production process at PT. Bromo Steel Indonesia is damage to the engine overhead crane. The damage that occurs to the engine, has a negative impact on the company, where the production process stops. The purpose of this research is to design maintenance schedules, reduce engine overhead crane downtime, improve Standard Operating Procedures. Based on the results of the research, maintenance intervals on overhead crane engine components are brake systems for 95 days, carbon brush for 27 days, electric hoist for 46 days, limit device for 47 days, clutch for 56 days, pull motor for 31 days, drum roll electric for 44 days, wire rope for 29 days. Changes to the maintenance system from breakdown maintenance to predictive maintenance resulted in saving cost of 27,62% on overhead crane machines component with a nominal value of IDR 1.051.031.511 and result of the analysis of the calculation overall equipment effectiveness at PT Bromo Steel Indonesia before predictive maintenance of 90,19% and after predictive maintenance of 92,06% an increase 1,87 %.