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4035 articles

Extreme Risk Measurement and the Selection of Optimal Investment Horizons

Empirical Evidence from the S&P 500

Jiashen Cui
Financial crises, such as the recent 2020 COVID-19 shock or the 2008 Global Financial Crisis, revealed that market risk models cannot fully capture tail risks in stressed environments. In this paper, we fill this hiatus to by combining risk estimation and forward-looking allocation choices in a new framework...

What Are Spanish Educators Doing to Prevent Teen Dating Violence? Identifying The Challenges and Solutions to a Sustainable Nonviolent Education

Verónica C. Cala, Encarnación Soriano-Ayala, Rachida Dalouh-Ounia
Teen dating violence (TDV) is a critical issue that affects adolescents’ health, well-being, and development, with long-term implications for increased violence throughout life. Tackling them is fundamental to achieving equality and violence-free lives as outlined in the Sustainable Development Goals...

Chlorine Poisoning Risk Management Based on ALOHA Simulation

Minyan Li, Jianchao Wang, Qian Zhang, Deyin Huang
In this paper, based on the investigation report of a liquid chlorine leakage accident during filling operation, ALOHA software was used to simulate the indoor and outdoor chlorine gas diffusion in different accident scenarios, and the emergency evacuation area was divided according to the different...
Proceedings Article

Interval Power Flow Analysis Based on Type-II Fuzzy Logic Forecasting

Ruihua Bi, Li Tao, Dongli Xu, Xiang Wang
In the traditional power flow analysis, the output of generator is controllable and certain. While due to the intermittence and randomness of new energy resources, the output of new energy generator is uncertain, traditional power flow calculation cannot deal with this kind of uncertain power flow problem,...
Proceedings Article

Soil Moisture Monitoring to Determine Irrigation Water Supply

Yulian Kusuma Ari Setiadi, Bayu Dwi Apri Nugroho, Rizki Maftukhah
Irrigation is important in the agricultural production system to support the growth of plants, hence it can improve the crop. Rice as a staple food in Indonesia commonly requires more water than other plants. It is not only to support the plant growth but also to support soil cultivation and to reduce...
Proceedings Article

The Increase of Student Obesity Rates During Online Learning in Medical Students

Nur Aini Djunet
Obesity could increase the risk of cardiovascular diseases, and now it is the first comorbid for COVID-19. It occurs chronically because of the positive energy balance. Body mass index (BMI) is related to the amount of fat. This index can predict how the burden of obesity might affect everyone in the...
Proceedings Article

Determination of Seed Physiological Maturity of Ipomoea reptans Poir. Based on Phenology, Seed Quality, and Heat Unit Accumulation

Neny Priska Yuliandira, Okti Syah Isyani Permatasari, Satriyas Ilyas
Kangkong (Ipomoea reptans Poir.) seeds have different colors at harvest due to differences in the seed maturity level, hence, differences in seed quality. Therefore, this study aimed to obtain information about the phenology of flowers, fruits, seeds, and to determine the appropriate heat unit accumulation...

Using Risk and Return Guidance for Portfolio Building

Xinrui Guo
After more than 30 years of rapid development, China’s capital market has provided a relatively broad investment and financing platform for all kinds of enterprises and investors. As stocks, the main trading varieties in the financial market, play an increasingly prominent role in investors’ asset allocation,...
Proceedings Article

High-Quality Concrete Based on Binder with Technogenic Filler

M.A-V. Abdullaev, A.M. Abdullaev, Sh.Kh. Soltakhanov
The paper presents the most optimum concentration of crushing dust of concrete scrap (CDCS) ground in the laboratory spherical mill to a specific surface of 4000 cm2/g for further replacement of a part of cement. High strength parameters are achieved at partial replacement of cement with various concentrations...

Foreign Investment, Reputation and the Predictability of Chinese Credit Ratings

Xing-yue Zhan, Chao-hung Yu
This study examines how foreign investment in Chinese credit rating agencies affects the predictability of Chinese bond market ratings from January 1, 2013, to June 30, 2019. Empirical results show that the latest rating issued by both domestic and Sino-foreign rating agencies can reflect the probability...
Proceedings Article

Research on the evolution trend of land subsidence induced by groundwater over-exploitation in Liaocheng city

Hao Liang, Yongwei Zhang, Xueyang Hu, Dejie Yu, Chao Jia
Based on hydrogeological data and years of land subsidence monitoring data in Liaocheng City, a 3D fluid-solid coupling numerical model of land subsidence in Liaocheng City were established. The model restored the evolution law of land subsidence caused by water extraction in the area, predicted the...
Proceedings Article

An Analytic Study on the Identification of the Stress Softening Region of the Compression-type Sleeve for CFRP Tendons

Woo-tai Jung, Jae-yoon Kang, Moon-seoung Keum
Compared to the bond-type anchor, the compression-type anchor, whichanchors the CFRP tendon by applying a compressive force on its surface, presents the advantages of not needing a curing period for the filler and to reduce the sleeve length by more than 30%. The fabrication of the compression-type anchor...

The Discussion on Teaching of Vocabulary Based on the Corpus of CET-4 Writing

Si-Mo Jia
The good grasp of vocabulary was beneficial to the improvement of learning of English in all aspects. This paper collected, analyzed and categorized the vocabulary usages in 30 English compositions for test of CET-4 randomly chosen from the Corpus of CLEC. The research found that spelling mistakes and...

The Effect of Student Team Achievement Division Strategy and Think Pair Share Strategy on Reading Comprehension Achievement

Rizka Sari, Rahmad Husein, Zainuddin
The objective of the study is to explain whether are students’ reading comprehension achievement taught by using Student Team Achievement Division strategy is higher than that taught by using Think Pair Share strategy. The research design was experimental with research by using factorial design 2 x 2....

Business Challenges of Forecasting Sales in Bakery Industry: Applications of Machine Learning Algorithms

Perini PraveenaSri, Vaddi Naga Padma Prasuna, R. Murugesan, S. P. Usha
The bakery industry is continually advancing with the send-off of inventive items there by making future development. The rising impact of western consuming regimens, expanding urbanization, the rising working ladies’ populace, essentially add to the advancement of the baked products industry. The worldwide...
Proceedings Article

Machine Learning Prediction of X-Band Microwave Absorption Using KNN Regression for Single-Slot Pyramidal Microwave Absorbers

Yaakub Omar, Ilya Ismail, Nur Athirah Syafiqah Noramli, Nurlaila Ismail, Hasnain Abdullah, Mohd Nasir Taib
This paper presents a machine learning modelling approach for predicting microwave absorption performance of single-slot pyramidal microwave absorbers operating in the X band frequency range (8–12 GHz). The absorbers were fabricated using biomass derived carbon coating material as part of a sustainable...

From Multicultural Towards National Identity: Teacher Construction on Strategies for Implementing Multicultural Education in Schools

Rr Setyowati, Sarmini, Nuril Amaliya
Indonesia has a multicultural society. This society as social capital strengthens the nation's culture; and at the same time will be a threat of division. Multicultural education becomes an important dimension to the integrity of the Unitary Republic of Indonesia (NKRI). School education has an important...
Proceedings Article

The Study of Amylase’s Reaction Kinetics From Soybean Sprouts (Glycine max L.) in Hydrolyzing Starch

Rudiana Agustini, Nuniek Herdyastuti
Amylase is an enzyme that has a role in hydrolyzing starch. This enzyme can be obtained from germinated seeds, one of them is soybean seed sprouts. The research aimed at studying the reaction kinetics in hydrolyzing the substrate, which is called starch, has been done. The research was conducted in three...
Proceedings Article

Effects of Processing Techniques on Proximate and Micronutrient Composition of Detarium Microcarpum (Ofor) Seed Flour

Eze Scholastica Ngozi, Udechukwu Flora Chioma
Detarium microcarpum (ofor) seed flour is traditionally used as thickening agent in soups. There are limited researches on effect of processing methods of ofor seed flour on its nutrient contents; hence, this study was aimed at determining the effects of processing techniques on proximate and micronutrient...

Research on Sustainable Development Model under the combination of Green Finance and Innovation

Fengkai Liu
As a further development form of the financial system, green finance aims to guide the flow of funds to green enterprises through a variety of innovative tools to achieve industrial layout, and then accelerate the region to achieve sustainable development. In this context, deeply explore how green finance...
Proceedings Article

Machine Learning Approach for Rhizomes Classification Based on Color

Bayu Agustian, Maimunah
Rhizome plants are often used as ingredients or traditional ingredients such as temuireng, temulawak and temumangga. Such rhizomes have the same color, shape, and smell characteristics. In this study, the types of rhizomes were classified based on their color into three classes, namely temuireng, temulawak,...

Pragmatic Analysis of Congratulation Expressions Addressed to Arya Permana Given by Social Media Users

Ayu Dita Prestya Octaviani, Sigit Haryanto
This study aimed to find out what types of congratulatory and politeness strategies are used in congratulating Arya Permana by social media users. The data were collected by using the documentation method. The information for this study came from comments made by Netizens on Born different accounts uploaded...

Study on the Mechanism of Increasing Tuition Fees in American High-level Private Universities

Changmin Liu
In order to draw lessons from the experience of multi-channel funds raised by high-level private universities in the United States, promote the healthy development of private universities in China, and use literature research and comparative research methods to study the composition of tuition fees and...

Youth Education in Self- Preparing as Marine Ecotourism Guide in Kepulauan Seribu

Tuty Handayani, Elgodwistra Kartikoputro, A. Harsono Soepardjo
Marine Ecotourism is a form of tourism that still ensures the sustainability of the sea ecosystem. Tidung Island in the district of Kepulauan Seribu Selatan and Harapan Island in the District of Kepulauan Seribu Utara, has a different characteristics. However, both the islands intended as a tourist destination,...
Proceedings Article

The Correlation of Environmental Temperature with Feed and Water Intake of Friesian Holstein Cattle in Dry Land

Theresia Ika Purwantiningsih, Remigius Binsasi, Damasus C. Da Cruz
This research aims to determine the correlation of environmental temperature with feed and water intake of Friesian Holstein (FH) Cattle in the dry land. This study used three FH Cattle aged 5 to 8 years and was conducted at SKKP Suluh Obor Dairy Farm, Mandeu, Raimanuk, Belu, East Nusa Tenggara, Indonesia...
Proceedings Article

Wildlife under Siege: System Dynamics Modeling for Strategic Intervention

Yilin Jiang, Zuocan Ying, Shen’ao Xuan
The Illegal Wildlife Trade (IWT) poses a significant threat to global biodiversity, ecosystems, and public health, with an estimated annual value of $26.5 billion. This study introduces a methodology for evaluating and analyzing the risks associated with IWT reduction programs using a system dynamics...

Implementation of HISTOQUAL Model to Measure Visitors' Expectations and Perceptions in Museum Geology Bandung

Fajar Putra
Service quality in museum influences museum experience, concerning with museum exhibits presentation, personnel competence, empathy, and consumption on products related to the museum. This paper has presented a formal examination on visitor expectations and perceptions of service quality in museum Geology...
Proceedings Article

Experimental Investigation of Oblique Laser Shock Processing on Aero-engine Fan Shaft

Peiyu Zhang, Cheng Wang, Yan Chai
The circular bead of aero-engine fan shaft was obliquely shocked by laser shock processing (LSP). After oblique laser shocked, the residual stress and microstructure characteristic of fan shaft were investigated and analyzed. The rotary bending fatigue tests and fracture analysis were also conducted....

Would Students Learn Better with Media?

M. C. Mambu, T. K. Londa, N. V. F. Liando
This article presents the application of multimedia product of physics learning of kinematics material of straight motion to help improve students’ Physics learning outcomes. Using multimedia can help students to understand the material in the form of facts, concepts, principles, or certain procedures...

Application of Time Series Box-Jenkins Method (ARIMA) to Forecast The Highest and Lowest Stock Prices of PT.Semen Indonesia,Tbk.

Hasanatul Iftitah, Dewi Murni
Stock is one of the investment instruments in demand today. Investors must be smart in making a decision to sell or buy stock in order to avoid losses. For that, investors need the highest and lowest stock price predictions as a basis for consideration in making decisions. PT. Semen Indonesia, Tbk is...

Research on College English Teachers’ Teaching Behavior of Lead-In

Chenghao Zhao
The teaching skill of lead-in is a necessary and basic skill for college English teachers, but at present, some college English teachers still have some problems in using the skill. So 60 lessons taught by 30 college English teachers in a university were taken as the research objects, and the classroom...
Proceedings Article

Effect of Variations Concentration and pH of Liquid Smoke in the Immersion With Various Types of Fish

Farida Ali, Lia Cundari, Siti Miskah, Hendri Prasetyo
Rubber seeds contain cellulose and lignin, therefore rubber seed could be used as raw material for liquid smoke. Liquid smoke contains lactic acid and phenol which have antibacterial properties. The purpose of this study is to test the antibacterial activity of liquid smoke shells and rubber seeds on...
Proceedings Article

Cell Multiplication in Platelet Rich Fibrin (PRF) and Platelet Rich Plasma (PRP) as Biofuels for Cartilage Tissue Engineering

Ahmad Taufik S, Adnanto Wiweko, Devi Rahmadona, Dyah Purnaning, Mohammad Rizki, Bayu Tirta Dirja
Cartilage injury remains a major orthopedic challenge due to its low repair capacity, with the tendency to cause osteoarthritis. In addition, the treatment method involving platelet rich plasma (PRP) and platelet rich fibrin (PRF) as cartilage engineering components greatly anticipates promising recovery...

Lesbians in Indonesian Novels by Female Authors (Judith Butler’s Queer Theory Study)

Etty Umamy, Darni Darni, Heny Subandiyah, Anas Ahmadi
Lesbian novels have been present in the midst of society as a form of expressing group identity. This research is a type of qualitative research with a descriptive design. The data sources in this study are the novels titled Club Camilan by Donna Talitha, Bella Widjaja, Brigitta NS and 20, 30, 40: Club...

Improving Student Learning Using Case-Based Method in Hybrid Learning of Basic Pharmaceutical Chemistry Practicum

Purnawan Pontana Putra, Friardi Ismed, Regina Andayani
The COVID-19 pandemic has caused universities to adjust the state of education on campus without reducing learning outcomes. In this case, Hybrid learning was developed, which combines offline and online learning and practicum. The method used in developing this learning is the Case-Based Method, in...
Proceedings Article

Education (selfcare) in Tuberculosis Patients With Experimental Quasi Design

Tri Wahyuni, Almumtahanah, Niken Tari Dewi
Tuberculosis is an infectious disease that attacks the lungs typically characterized by the formation of granulomas and causes tissue necrosis, an infectious disease directly caused by the TB germ (mycobacterium tuberculosis). The problem that often arises in tuberculosis sufferers is about self-care...

Teachers’ Competence of Physical Education, Sports and Health of Junior High School (First Functional Level Teacher of West Sumatera)

Khairuddin
The purpose of this study is to know the teachers’competence ability of Physical Education, Sport and Health (PESH) of Junior High School of first functional level teacher of West Sumatera. Instruments used are Objective test of standard teachers’competency test for Physical Education, Sport and Health...

Digital Technology Carbon Emission and Industry Structure

Ping Han, ZhaoYun Shi
In an age of digital economy, digital technology is a hugely important factor in promoting the upgrading of industrial structures. Using panel data from 30 provinces of China between 2012 and 2020 analyzes empirically the incidence and mechanism of operation among digital technologies, carbon emission...

Progressive Farming Strategy As A Sustainable Livelihood Strategy For Marginal Land Farmers In Coastal Land Fields (Case Study in Gupit IV Hamlet, Karangsewu Village, Galur Sub District , Kulonprogo District)

Rahma Hayati
There are coastal sand fields in Kulonprogo District, Special Province of Yogyakarta. They are naturally marginal lands. In the last 30 years, farmers have been farming on coastal sand fields by growing vegetables and fruits. The aims of the research were to find out the threats and sustainable livelihood...
Proceedings Article

Mechanical Test of Gigantochloa Apus by Drying

Bambang Sri Waluyo, Mohammad Ridwan, Muhammad Zainuri
Bamboo forms an important component in the traditional material building of Indonesia Rural. Bamboo known live any place at Indonesia, is a renewable material with extensive application prospects. It has been expected to be a sustainable alternative for more traditional construction materials, such as...

Developing of Student Worksheets HOTS-Based for System of Two Variables Linear Equation Learning Topic in Junior High School

M. Agustarina, N. Aisyah, E. Kurniadi
The revised 2013 curiculllum in Indonesia emphasizes HOTS-based learning and HOTS is highly related to problem solving abillity in mathematics. Therefore, it is necessary to develop student worksheets HOTS-based in mathematics learning. This type of research is development method of ADDIE models. The...

How to Improve Principal Leadership Effectivity

Mansur Hakim, Fahruddin Fahruddin
The aim of this research is to study the correlation between knowledge-based management and emotional intelligence with the Public Junior Secondary School Principals Leaderships. The research was conducted in the Public Junior Secondary School in Jakarta. This research used survey method. 30 The Public...
Proceedings Article

The Potency of Inulin to Increase Curcumin Aqueous Solubility as a Co-Processing Material with Curcuma longa in Solid Dispersion Approach

Dewi Setyaningsih, Elizabeth Vianita Kurniawan, Yustina Sri Hartini
Curcumin, an identical compound of Curcuma longa extract, shows limited bioavailability due to its lipophilicity. Inulin of degree of polymerization (DP) of 11 is a carbohydrate member that can potentially increase aqueous solubility and dissolve lipophilic compounds. This study aimed to investigate...

Onfarm Oral Test as a Miniature Formative Assessment to Foster Student Development in an Agriculture Course from a Rural-based University

F. N. Fon, Z. L. Ndou, M. Sibanda
While there is always an ongoing debate on the use of summative assessments over formative assessment especially when student development is prioritized, summative assessments continue to prevail in many higher education institutions, especially in developing countries. Different reasons have been associated...

The Correlation Between Spiritual Health With the Coping Ability of the Clients Towards the Pain in the Labour Process Within the Work Area of Ibrahim Adjie’s Community Center in Bandung 2019

Maya Sukmayati
This study is aimed to find out a correlation between spiritual health with the ability of pain coping strategy among women in intrapartum. According to the theory, spirituality is known as one of the health dimensions and has a connection with the ability of pain coping strategy.There were 30 women...
Proceedings Article

Multidimensional Echocardiography Image Segmentation Using Deep Learning Convolutional Neural Network

Hasan Imaduddin, Riyanto Sigit, Anhar Risnumawan
One of the most dangerous diseases that threaten human life is heart disease. One way to analyze heart disease is by doing echocardiography. Echocardiographic test results can indicate whether the patient’s heart is normal or not by identifying the area of the heart cavity. Therefore, many studies have...

Analysis of Young People’s Physical Activity in East Java During the Covid-19 Pandemic

Ananda Riski Tarigan, Bayu Agung Pramono, Yetty Septiani Mustar, Dewa Wijaya, Hafid Yusuf
The COVID-19 pandemic has brought about significant changes in human movement activities. My activities, especially physical activity, are one of the non-pharmacological N77 treatments that can have a positive impact on humans. This study aims to determine the biological activities carried out by adolescents...

A Review of Pharmaceutical Services at Community Pharmacies for Persons with Disabilities

Ni Made Ayu Nila Septianingrum, Fitriana Yuliastuti, Widarika Santi Hapsari
WHO data shows that Persons with Disabilities in the world in 2010 was 15.6 percent of the total world population or more than 1 billion. The results of the 2018 Basic Health they are says, people with disabilities have the same rights as normal people in general, especially in public services in the...

Analysis of Twitter Users Sentiment of the Phenomenon of Using Online Loan Services

Nofy Afifah Anggrahini
Online loans (pinjol) are common in Indonesian lives in recent years. Easy requirements and only need to be done via a smartphone does not mean that the loan is free from flaws and dangers. Today’s social media can be a reflection of people’s thoughts on a phenomenon or event and knowing public sentiment...

Implementation of Community-Based Tourism in Supporting Water Tourism in Batuagung Tourism Village, Jembrana Sub-District, Jembrana District

I Nyoman Meirejeki, I Ketut Suarta, I Komang Mahayana Putra, Solihin
Batuagung Village, with its strategic location in the middle of Negara City, offers very interesting tourism potential. Gelar River, Puncak JR, and the natural beauty of the countryside are the main attractions for tourists. This research aims to analyze the implementation of community-based tourism...