bluuebunny/crossref_metadata_2025 huggingface dataset:
A Natural Language Processing–Based Virtual Patient Simulator and Intelligent Tutoring System for the Clinical Diagnostic Process: Simulator Development and Case Study (Preprint)
Authors: Furlan Raffaello , Gatti Mauro , Menè Roberto , Shiffer Dana , Marchiori Chiara , Giaj Levra Alessandro , Saturnino Vincenzo , Brunetta Enrico , Dipaola Franca
Published: April 2021

BACKGROUND

Shortage of human resources, increasing educational costs, and the need to keep social distances in response to the COVID-19 worldwide outbreak have prompted the necessity of clinical training methods designed for distance learning. Virtual patient simulators (VPSs) may partially meet these needs. Natural language processing (NLP) and intelligent tutoring systems (ITSs) may further enhance the educational impact of these simulators.

OBJECTIVE

The goal of this study was to develop a VPS for clinical diagnostic reasoning that integrates interaction in natural language and an ITS. We also aimed to provide preliminary results of a short-term learning test administered on undergraduate students after use of the simulator.

METHODS

We trained a Siamese long short-term memory network for anamnesis and NLP algorithms combined with Systematized Nomenclature of Medicine (SNOMED) ontology for diagnostic hypothesis generation. The ITS was structured on the concepts of knowledge, assessment, and learner models. To assess short-term learning changes, 15 undergraduate medical students underwent two identical tests, composed of multiple-choice questions, before and after performing a simulation by the virtual simulator. The test was made up of 22 questions; 11 of these were core questions that were specifically designed to evaluate clinical knowledge related to the simulated case.

RESULTS

We developed a VPS called Hepius that allows students to gather clinical information from the patient’s medical history, physical exam, and investigations and allows them to formulate a differential diagnosis by using natural language. Hepius is also an ITS that provides real-time step-by-step feedback to the student and suggests specific topics the student has to review to fill in potential knowledge gaps. Results from the short-term learning test showed an increase in both mean test score (P<.001) and mean score for core questions (P<.001) when comparing presimulation and postsimulation performance.

CONCLUSIONS

By combining ITS and NLP technologies, Hepius may provide medical undergraduate students with a learning tool for training them in diagnostic reasoning. This may be particularly useful in a setting where students have restricted access to clinical wards, as is happening during the COVID-19 pandemic in many countries worldwide.
Identifying Barriers to and Opportunities for Telehealth Implementation Amidst the COVID-19 Pandemic by Using a Human Factors Approach: A Leap Into the Future of Health Care Delivery? (Preprint)
Authors: Zhang Tianyi , Mosier Jarrod , Subbian Vignesh
Published: April 2021

UNSTRUCTURED

The extensive uptake of telehealth has considerably transformed health care delivery since the beginning of the COVID-19 pandemic and has imposed tremendous challenges to its large-scale implementation and adaptation. Given the shift in paradigm from telehealth as an alternative mechanism of care delivery to telehealth as an integral part of the health system, it is imperative to take a systematic approach to identifying barriers to, opportunities for, and the overall impact of telehealth implementation amidst the current pandemic. In this work, we apply a human factors framework, the Systems Engineering Initiative for Patient Safety model, to guide our holistic analysis and discussion of telehealth implementation, encompassing the health care work system, care processes, and outcomes.
Diagnostic Accuracy of Ambulatory Devices in Detecting Atrial Fibrillation: Systematic Review and Meta-analysis (Preprint)
Authors: Yang Tien Yun , Huang Li , Malwade Shwetambara , Hsu Chien-Yi , Chen Yang Ching
Published: April 2021

BACKGROUND

Atrial fibrillation (AF) is the most common cardiac arrhythmia worldwide. Early diagnosis of AF is crucial for preventing AF-related morbidity, mortality, and economic burden, yet the detection of the disease remains challenging. The 12-lead electrocardiogram (ECG) is the gold standard for the diagnosis of AF. Because of technological advances, ambulatory devices may serve as convenient screening tools for AF.

OBJECTIVE

The objective of this review was to investigate the diagnostic accuracy of 2 relatively new technologies used in ambulatory devices, non-12-lead ECG and photoplethysmography (PPG), in detecting AF. We performed a meta-analysis to evaluate the diagnostic accuracy of non-12-lead ECG and PPG compared to the reference standard, 12-lead ECG. We also conducted a subgroup analysis to assess the impact of study design and participant recruitment on diagnostic accuracy.

METHODS

This systematic review and meta-analysis was conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines. MEDLINE and EMBASE were systematically searched for articles published from January 1, 2015 to January 23, 2021. A bivariate model was used to pool estimates of sensitivity, specificity, positive likelihood ratio (PLR), negative likelihood ratio (NLR), and area under the summary receiver operating curve (SROC) as the main diagnostic measures. Study quality was evaluated using the quality assessment of diagnostic accuracy studies (QUADAS-2) tool.

RESULTS

Our search resulted in 16 studies using either non-12-lead ECG or PPG for detecting AF, comprising 3217 participants and 7623 assessments. The pooled estimates of sensitivity, specificity, PLR, NLR, and diagnostic odds ratio for the detection of AF were 89.7% (95% CI 83.2%-93.9%), 95.7% (95% CI 92.0%-97.7%), 20.64 (95% CI 10.10-42.15), 0.11 (95% CI 0.06-0.19), and 224.75 (95% CI 70.10-720.56), respectively, for the automatic interpretation of non-12-lead ECG measurements and 94.7% (95% CI 93.3%-95.8%), 97.6% (95% CI 94.5%-99.0%), 35.51 (95% CI 18.19-69.31), 0.05 (95% CI 0.04-0.07), and 730.79 (95% CI 309.33-1726.49), respectively, for the automatic interpretation of PPG measurements.

CONCLUSIONS

Both non-12-lead ECG and PPG offered high diagnostic accuracies for AF. Detection employing automatic analysis techniques may serve as a useful preliminary screening tool before administering a gold standard test, which generally requires competent physician analyses. Subgroup analysis indicated variations of sensitivity and specificity between studies that recruited low-risk and high-risk populations, warranting future validity tests in the general population.

CLINICALTRIAL

PROSPERO International Prospective Register of Systematic Reviews CRD42020179937; https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=179937
The Better-Than-Average Effect in the Era of COVID-19: Cognitive Bias in the Age of Pandemic and its Relationship to Vaccination Hesitancy (Preprint)
Authors: Kulesza Wojciech , Dolinski Dariusz , Muniak Paweł , Winner Daisy , Izydorczak Kamil , Derakhshan Ali , Rizulla Aidana
Published: April 2021

BACKGROUND

The ongoing coronavirus pandemic is an unprecedented global health crisis. Because large-scale behavior change has been critical to slowing the spread of the virus, understanding the mechanisms behind people’s decisions and behaviors to follow (or not) public health recommendations, is essential.

OBJECTIVE

In order to investigate one possible mechanism, we investigated the presence of the better-than-average effect.

METHODS

in 3066 individuals across Poland, Iran, and Kazakhstan.

RESULTS

Participants demonstrated clear the BTAE in all three countries. Furthermore, we found that the level of BTAE was a predictor of COVID-19 vaccination (declarative) claims.

CONCLUSIONS

These findings contribute to the growing literature on the role of cognitive biases on health behaviors, particularly during global health emergencies. We provide recommendations for public health communicators on how to address this bias to help ensure people adopt the behaviors that are critical to combatting the virus.
The Use of Repetitive Transcranial Magnetic Stimulation for Treatment of Obsessive-Compulsive Disorder: A Scoping Review. (Preprint)
Authors: Adu Medard , Eboreime Ejemai , Sapara Adegboyega , Greenshaw Andrew J. , Chue Pierre , Agyapong Vincent Israel Opoku
Published: April 2021

BACKGROUND

Background: Repetitive transcranial magnetic stimulation (rTMS) is a non-invasive procedure in which brain neural activity is stimulated by direct application of a magnetic field to the scalp. rTMS is considered a therapeutic tool in various neuropsychiatric conditions. Since its approval in Canada in 2002 and despite its wide and continuous usage for the management of depressive disorders, knowledge on the use of rTMS for Obsessive-Compulsive Disorder (OCD) is sparse.

OBJECTIVE

Objectives: This scoping review seeks to; (i) explore the relevant literature available regarding the use of rTMS as a mode of treatment for OCD; (ii) To evaluate the evidence to support the use of rTMS as a treatment option for OCD.

METHODS

Method: We electronically conducted data search in five research databases (MEDLINE, CINAHL, Psych INFO, SCOPUS, and EMBASE) using all identified keywords and index terms across all the data bases to identify empirical studies and randomized controlled trials. We included articles published with randomized control designs which aimed at the treatment of OCD with rTMS. Only full-text published articles written in English were reviewed. Review articles on treatment for conditions other than OCD were excluded.

RESULTS

NA

CONCLUSIONS

Conclusion: The application of rTMS as a treatment intervention for OCD looks promising despite diversity in terms of outcomes and clinical significance. Further studies with well-defined stimulation parameters are needed in order to be able to draw a definite conclusion of its clinical effectiveness in the treatment of OCD.
Foodborne Disease Risk Prediction Using Multigraph Structural Long Short-term Memory Networks: Algorithm Design and Validation Study (Preprint)
Authors: Du Yi , Wang Hanxue , Cui Wenjuan , Zhu Hengshu , Guo Yunchang , Dharejo Fayaz Ali , Zhou Yuanchun
Published: April 2021

BACKGROUND

Foodborne disease is a common threat to human health worldwide, leading to millions of deaths every year. Thus, the accurate prediction foodborne disease risk is very urgent and of great importance for public health management.

OBJECTIVE

We aimed to design a spatial–temporal risk prediction model suitable for predicting foodborne disease risks in various regions, to provide guidance for the prevention and control of foodborne diseases.

METHODS

We designed a novel end-to-end framework to predict foodborne disease risk by using a multigraph structural long short-term memory neural network, which can utilize an encoder–decoder to achieve multistep prediction. In particular, to capture multiple spatial correlations, we divided regions by administrative area and constructed adjacent graphs with metrics that included region proximity, historical data similarity, regional function similarity, and exposure food similarity. We also integrated an attention mechanism in both spatial and temporal dimensions, as well as external factors, to refine prediction accuracy. We validated our model with a long-term real-world foodborne disease data set, comprising data from 2015 to 2019 from multiple provinces in China.

RESULTS

Our model can achieve F1 scores of 0.822, 0.679, 0.709, and 0.720 for single-month forecasts for the provinces of Beijing, Zhejiang, Shanxi and Hebei, respectively, and the highest F1 score was 20% higher than the best results of the other models. The experimental results clearly demonstrated that our approach can outperform other state-of-the-art models, with a margin.

CONCLUSIONS

The spatial–temporal risk prediction model can take into account the spatial–temporal characteristics of foodborne disease data and accurately determine future disease spatial–temporal risks, thereby providing support for the prevention and risk assessment of foodborne disease.
Valuación de opciones con ajustes a distribuciones a-estables y contabilidad bajo la norma internacional de información financiera
Authors: Climent Hernández José Antonio , Gómez Pinto Itzel
Published: April 2021

En este trabajo se pretende analizar los rendimientos del dólar estadounidense, euro, libra esterlina y yen, con el peso mexicano, son estimados los estadísticos descriptivos y los parámetros -estables, las pruebas de bondad de ajuste justifican estadísticamente la idoneidad de las distribuciones -estables para modelar el comportamiento de los rendimientos, también son estimados los exponentes de autosimilitud y los índices de memoria, la valuación de las opciones europeas de compra y de venta es realizada con el modelo gaussiano y con el modelo -estable, y la contabilización es presentada bajo la norma internacional de información financiera concluyendo que las opciones -estables cuantifican más adecuadamente el riesgo de tipo de cambio que las opciones gaussianas, recomendando realizar un análisis para minimizar las pérdidas potenciales derivadas de las obligaciones económicas adquiridas por la emisión de opciones y que la norma internacional de información financiera alinea los objetivos de gestión de riesgos para reflejar las actividades transmitiendo el objetivo y el efecto de las opciones.
Factores determinantes del valor utilitarista en las aplicaciones móviles del sector moda
Authors: Murillo Zegarra Miluska , Ruíz Mafé Carla
Published: April 2021

El presente trabajo de investigación analiza los factores determinantes del valor utilitarista percibido en una aplicación de comercio móvil de productos de moda. Se propone y contrasta empíricamente un modelo de relaciones que analiza el impacto de las creencias ante la tecnología, las características del mensaje recibido a través de alertas y el marketing de permiso de las alertas (irritación y control percibido). El contraste de hipótesis realizado a partir de una muestra de 340 clientes reales en España, que compran productos de moda a través del móvil, evidencia que el valor utilitarista viene determinado por la utilidad percibida, el valor informativo de las alertas y el uso del marketing de permiso. La facilidad de uso incrementa la utilidad percibida, la personalización aumenta el valor informativo, y el control percibido disminuye la irritación.
Cuotas de contaminación y tecnología medioambiental diferenciada en presencia de inversión extranjera directa
Authors: Sandoval Bravo Salvador , Espinosa Ramírez Rafael Salvador
Published: April 2021

El propósito de este trabajo, a partir de un modelo teórico, es determinar las políticas ambientales que maximicen el bienestar de un país receptor de inversión extranjera directa. En un mercado de un bien homogéneo las empresas foráneas compiten contra empresas nacionales bajo condiciones oligopolísticas. Se utiliza como instrumento de control la cuota de contaminación diferenciada, y se asume que las empresas de la inversión extranjera directa poseen tecnología más eficiente para abatir la contaminación. Se concluye que si la desutilidad por contaminar es considerablemente elevada, el gobierno del país anfitrión impone una cuota de contaminación cero tanto a las empresas locales como extranjeras; pero en el caso que la desutilidad por contaminar no sea muy alta, el gobierno permite a estas firmas cierta cantidad de emisiones dependiendo de la eficiencia relativa de cada tipo de empresa.
El liderazgo silencioso de la enfermería en México: reflexiones sobre su transformación
Authors: Nigenda López Gustavo Humberto , Aristizábal Hoyos Gladis Patricia
Published: April 2021

Introducción. El objetivo del documento es argumentar que el liderazgo de enfermería en México tiene un enorme potencial por desarrollar y que en gran medida es silencioso. Se exponen casos para mostrar el liderazgo de la enfermería en el sistema de salud de México que no son reconocidos debidamente por los actores sociales y el Estado. Desarrollo. Se discuten un conjunto de características del liderazgo que la enfermería podría incorporar en su desarrollo y lograr avanzar hacia nuevas etapas de su estatus profesional, sus niveles de entrenamiento y su papel en la producción de servicios de salud. Particularmente, se hace énfasis en el desarrollo de un liderazgo colectivo que permita a la enfermería apoyar el alcance de objetivos sistémicos por encima objetivos grupales o individuales. A diferencia de otros grupos profesionales, la enfermería es entrenada sobre bases humanistas las cuáles han sido obliteradas por los cambios que las reformas de los sistemas de salud han traído consigo en las últimas dos décadas. Conclusión. Un liderazgo conspicuo de la enfermería debe basarse en preservar su formación humanista, en la capacidad de establecerse como par en las decisiones clínicas y gerenciales, en articular un plan consistente para el desarrollo de la enfermería en práctica avanzada y, finalmente, para fungir como un motor del cambio del sistema hacia el modelo de atención primaria a la salud.
Liderazgo en enfermería y el liderazgo más allá de la enfermería
Authors: Barría Pailaquilén René Mauricio
Published: April 2021

Introducción. El liderazgo en enfermería se ha desarrollado a lo largo del tiempo y su práctica ha sido parte del reconocimiento profesional que hoy exhiben enfermeras y enfermeros en el mundo. El ejercicio del liderazgo va desde la influencia en pequeños grupos hasta niveles directivos en que la toma de decisiones es relevante para el accionar institucional para la mejor atención de las personas. Desarrollo. Teorías, estilos, modelos y características del liderazgo se han desarrollado en distintos momentos y se van ajustando a los contextos, entornos sociales y las dinámicas de las interrelaciones humanas. Definir el estilo de liderazgo a adoptar va más allá de replicar lo planteado por los teoristas y requiere una apropiación de los formadores que, en primera instancia deben resolver sus propios cuestionamientos para ser capaces de traspasar con métodos apropiados las competencias para el liderazgo. Conclusión. Los espacios en que hoy la enfermería se desenvuelve exigen una formación pertinente para desarrollar las competencias de liderazgo a distintos niveles, sin temor ni recelo, y transformarse en verdaderos agentes de un cambio que redunde efectivamente en una atención de salud de calidad.
Lactancia a temprana edad: experiencias de madres adolescentes mayas en Yucatán
Authors: Aké Canul Didier Francisco , Balam Gómez Maricela , Pool Góngora Roberth Amílcar , Cohuo Cob Sheila Mariela , Uicab Pool Gloria De los Ángeles
Published: April 2021

Introducción: En México, la lactancia materna exclusiva en menores de seis meses descendió entre el 2006 y 2012, de 22.3% a 14.5%, con mayor decadencia en el área rural. Metodología: Estudio cualitativo, bajo el enfoque de fenomenología descriptiva, con 9 madres adolescentes, empleando entrevistas a profundidad, observación no participante y diarios de campo; el objetivo fue analizar la lactancia a temprana edad, mediante las experiencias de madres adolescentes mayas en Yucatán. Hallazgos: Para las adolescentes, la lactancia tiene beneficios afectivos, previene el cáncer de mama, ayuda al crecimiento y desarrollo del bebé; la estética no fue afectada, refiriendo algunas sentir vergüenza al lactar en público; lactaron entre tres meses a dos años, abandonando por baja producción de leche, rechazo del bebé y lesiones del seno. Los cuidados son no salir al aire fresco, alimentarse sin condimentos ni picantes y beber abundantes líquidos como bebidas de maíz, caldos y agua; la mayoría inició la ablactación al cumplir sus bebés 6 meses; los alimentos para ablactar los eligen por practicidad, economía y mercadotecnia; usaron leche de fórmula, cereal, leguminosas y productos industrializados. Conclusión: Las madres adolescentes no están preparadas para tantos cambios, pero no les impidió lactar asumiendo esta práctica positivamente. La transición en las prácticas de las personas mayores a las adolescentes es con apoyo de conocimientos del personal de salud, saberes y construcciones sociales de mujeres cercanas, así como decisión propia.
Cómics para el aprendizaje de la espectroscopia infrarroja
Authors: Castillo-Granada Alberta Lourdes , Ríos-Calderón Oscar Saúl , Soto-Páez Rodrigo , Benítez-Escamilla Teresa , Contreras Cruz David Atahualpa
Published: April 2021

En este trabajo se diseñó un material didáctico -cómic- como apoyo en el proceso de aprendizaje de la espectroscopia en el infrarrojo, para alumnos de las licenciaturas en Química Farmacéutica Biológica, Ingeniería Química y Biología. En los cómics se abordan de manera concreta los fundamentos teóricos acerca de lo que es la espectroscopia, la radiación infrarroja y cómo ésta última interactúa con las moléculas orgánicas; además de los principios básicos que permitieron a los estudiantes iniciar la interpretación de un espectro en el infrarrojo.  Mediante un cuestionario de evaluación aplicado a 118 alumnos que leyeron los cómics, seguido de un análisis estadístico de los datos, se determinó que el material didáctico presentado influyó significativamente de manera positiva en el proceso de aprendizaje de los alumnos.
Indagación sobre la degradación de plásticos con estudiantes de secundaria
Authors: López-Fernández Mª del Mar , Franco-Mariscal Antonio Joaquín
Published: April 2021

La contaminación por plásticos supone un reto social y educativo con una necesidad urgente de respuesta. La práctica científica de indagación se muestra como un enfoque adecuado para afrontar este problema en la educación secundaria al permitir desarrollar destrezas de investigación y actitudes hacia la química. Este trabajo presenta una indagación sobre la degradación de plásticos en el medio natural llevada a cabo con estudiantes españoles de secundaria (14-15 años), donde aprenden sobre sus posibles transformaciones físicas y químicas, y sus consecuencias para el medio ambiente
“Mientras los generales duermen”
Authors: Ramírez Casas Ulises
Published: April 2021

Durante el conflicto bélico entre México y los Estados Unidos, los habitantes de Sierra Gorda emprendieron un fuerte rechazo al llamado hecho por el gobierno  mexicano para enrolarse en los cuerpos del ejército  que combatirían a las tropas norteamericanas en el norte de México. A partir de documentación obtenida en el archivo estatal de Guanajuato, el presente artículo analiza los motivos de la oposición a la  guerra entre los serragordanos y la manera peculiar como concibieron a los norteamericanos: no como  enemigos, sino potenciales aliados frente al gobierno y las autoridades militares mexicanas que habían causado múltiples agravios entre las poblaciones, desde la anulación de gobiernos hasta la extracción de hombres de sus poblaciones de origen para conducirlos a una muerte segura en batalla.
Challenges and strategies in developing human resources for the halal industry: Evidence from Indonesia
Authors: Yuli Sri Budi Cantika , Wojtyla Edyta
Published: April 2021

The government has prioritized the development of the halal industry sector in Indonesia through the launch of the Indonesian Sharia Economics Master Plan (MEKSI) in 2019. Currently, Indonesia is in the 5th position in the world halal industry ecosystem. This is the main focus to strengthen Indonesia as a world halal producer in 2024. This study aims to examine the challenges of developing halal industry in Indonesia and try to provide a strategy for developing human resources (HR). This study applies a qualitative research approach using three stages of data analysis, namely data reduction, data presentation, and data verification. Data analysis techniques are supported by the NVivo 12 plus program. Based on the results of the literature study, several challenges were found related to the halal industry in Indonesia, i.e. Regulation, Human Resources (HR), Government, Infrastructure and Organization. This study compiles a human resource development strategy to face HR challenges, as follows 1) Human Resource Transformation through people transformation, cultural transformation, organizational transformation and 2) Human Resource Digitalization.
Decision Support System for Community Housing Subsidy Recipients
Authors: Nugraha Adhi , Widianto Alvian , Irfan M. , Nasar M. , Lestandy Merinda
Published: April 2021

Human needs consist of primary, secondary, and tertiary needs. In primary needs, the house is one of the most critical primary needs in supporting one’s life. However, not all residents in Indonesia can meet these needs. Therefore, the government provides subsidized housing ownership programs for people with low income. This study aims to propose a decision support system in determining the proper housing subsidy recipients. The method used in weighting is Analytic Hierarchy Process (AHP). Previous research was still limited to the selection of subsidized housing for developers and potential buyers. This method is projected to provide results in the form of a priority sequence of alternative solutions based on test results. The results were considered capable of providing a better solution for selecting prospective recipients of the housing subsidy program.
Mathematical Models of Energy-Conscious Bi-Objective Unrelated Parallel Machine Scheduling
Authors: Kurniawan Bobby
Published: April 2021

The industrialization has led to the prosperity of human life. However, it causes the side effect that harms the environment. Moreover, the source of energy used to drive the industrialization comes from non-renewable resources that can be extinct. As the extensive energy user, the manufacturing sector can use energy efficiently by scheduling and planning. A scheduling system that incorporates environmental and the energy consumption is one of the initiatives to reduce energy consumption and reduce environmental effects. Therefore, this study addresses bi-objective unrelated parallel machine scheduling to minimize the total tardiness and energy consumption. The energy consumption follows the Time-Of-Use (TOU) tariffs price scheme. The problem is formulated as two mixed-integer programming (MIP) models, using the time-indexed and disjunctive formulation, and solved using the weighted sum method. We perform complexity and computational analysis to evaluate the performance of models. Numerical experiments show that the time-indexed formulation is more efficient than the disjunctive formulation. The results provide useful insights for decision-makers in the manufacturing sectors to be energy-conscious without neglecting the production efficiency.
Cost Minimization Policy for Manufacturer in a Supply Chain Management System with Two Rates of Production under Inflationary Condition
Authors: Saha Sujata , Chakrabarti Tripti
Published: April 2021

This article presents a production inventory model for deteriorating goods with two different rates of production. The manufacturer starts manufacturing the items at a lower rate to avoid a huge investment at the initial stage and reduce the products' holding cost. However, when the stock level reaches a prefixed level, he switches on to a higher production rate to avoid shortage caused by an insufficient stock of the items. Moreover, the impact of inflation and the time value of money on the manufacturing system’s cost is considered here, which harms any business by reducing the value of an investment with time. We determined the optimum production times at both the low and high production rates by minimizing the system's total cost. Numerical examples illustrated the applicability of this proposed model. Sensitivity analysis studied the effect of changes in the parameters associated with this model on the optimal decision variables. This numerical experiment was done in LINGO 18.0 software. Results showed that the production strategy taken by the manufacturer helped reduce his total cost.
Reduction in Rejection Rate of Soy Sauce Packaging via Six Sigma
Authors: Sukwadi Ronald , Harijanto Leonardus , Inderawati M.M. Wahyuni , Huang Po Tsang B.
Published: April 2021

The Six Sigma methodology is the most powerful quality improvement technique. This research deals with applying the Six Sigma methodology in reducing the rejection rate of soy sauce packaging in food production. The DMAIC methodology of Six Sigma provides a step-by-step quality improvement methodology in which statistical techniques are applied. The leakage and cutting error problems were identified in the Define phase. The extent of the problem was measured in the Measure phase. The current DPMO value was 5,794.39, and the sigma level at 4.0245. The root cause of the problem and the improvement priority were identified in the Analyze phase by applying the fishbone diagram and FMEA. The design of new Standard Operating Procedures (SOPs) and preventive maintenance schedule were used in the Improve phase to increase the sigma level by 50-60 percent and decrease DPMO by 99 percent for the upcoming four months implementation. Furthermore, a control plan was provided in the Control phase to monitor and sustain the achieved improvements.
Integrated Inventory Model for Single Vendor Multi-Buyer with a Single Item by Considering Warehouse and Capital Constraint
Authors: Agustiandi Agustiandi , Aritonang Yoon Mac Kinley , Rikardo Cherish
Published: April 2021

Integrated inventory management coordinates all party's replenishment policies to provide optimal benefits. Many models have been developed, but none of them have considered capital and warehouse constraints comprehensively. It may cause the model which cannot be applied, since it has exceeded the capacity. This study developed an integrated inventory model that consisted of one vendor, multi-buyer, and one type of item. The main objective was to minimize the joint total expected cost by considering warehouse, capital, and service level constraint. The optimal formula was constructed by using the Lagrange multipliers method.  The results showed that with an increment in holding cost, the vendor tends to reduce lot size to minimize joint total expected cost. It is vice versa to the increment in set up cost. An increment in buyer service level can increase lot size and reduce order frequency. The buyer capacity is essential to determine its capability to apply the optimal replenishment policy.
MODEL PEMBERDAYAAN MASYARAKAT EKOLOGIS KULTURAL UNTUK PENYELAMATAN MATA AIR DI KOTA BATU
Authors: Susilo Rachmad K Dwi
Published: April 2021

The construction of the hotel that was opposed by the users of water resource triggered the emergence of social movement. While inititating movement, they initiated the programs of community empowerment as well. It means that the community empowerment is one of strategies of movement. Then, besides focusing on cultural activities, the other activities are the optimization of youth potentials and the care about community activities. In this context, the ecological cultural is joined by the other community interests. This strategy is effective because the empowerment stimulated the development of social network and local culture. The critic of this empowerment is culture is not a central of activities. The culture is still used as instrument for the conservation of environment. This stance is always questioned and criticized by the environmental and cultural activists in Malang Town. This article will describe the model of cultural ecological empowerment in Batu City that is described from the emergence of community empowerment, the forms of the community empowerment, the form of social changes after interventions, and the strengths and weaknesses of this empowerment. This article utilized the descriptive research method with ethnographical approach. Meanwhile, the used sampling is purposive sampling with eight subjects of research are activists of Nawakalam Gemulo, community based organization in Cangar Hamlet, Bulukerto Village, Batu City.
Isu-Isu Identitas Budaya Nasional dalam Film “Tenggelamnya Kapal Van der Wijck”
Authors: Thalib Amirah Anis
Published: April 2021

Indonesia merupakan negara yang dengan kompleksitasnya menjadikannya multikultur. Kondisi ini mempengaruhi tema-tema yang dimunculkan dalam film yang merepresentasi dan merekonstruksi kenyataan. “Tenggelamnya Kapal Van der Wijck” merupakan film percintaan yang dibumbui isu-isu multikultur khususnya terkait dengan identitas budaya yang meluas kedalam ranah suku, ras, agama, dan kelas sosial di Indonesia, khususnya Minang. Tulisan ini menggunakan pendekatan multikulturalisme Will Kymlicka untuk menginterpretasi dan memaknai temuan-temuan data . Penulis menemukan bahwa identitas suku dan kelas sosial yang menjadi isu-isu multikulturalisme yang dikomunikasikan dalam film ini, sekaligus pemicu timbulnya konflik dalam film. Hasil analisis lain menunjukkan ikatan primordial dan etnosentrisme merupakan penghambat multikulturalisme dalam konteks Indonesia yang dikomunikasikan dalam film ini.
Menuju Ecocentrisme: Menapaki Jalan Ekologis yang Etis
Authors: Murti Ghanesya Hari
Published: April 2021

Upaya untuk menghidupkan relasi yang harmonis antara manusia dengan alam selalu gagal dan menemukan polemik kendati kondisi tersebut selalu diidealkan bersama. Tentunya, usaha tersebut tidak hanya membutuhkan pikiran kritis tapi juga dorongan etis yang kuat. Posisi etis itu ada pada upaya untuk pindah dari cara berpikir antroposentris yang berpihak untuk mendominasi alam demi kebutuhan manusia menuju cara berpikir ekosentris yang menganggap bahwa kepentingan alam juga harus diikutkan haknya sebagai subjek hukum. Tulisan ini dengan begitu hendak 1) memberikan ilustrasi posisi etis pada dua peristiwa yang melibatkan alam sebagai sebagai subjek dan non subjek hukum, 2) mengurai argumentasi etis yang betengkar dan saling melegitimasi tindakan moral pada alam 3) menunjukkan argumentasi para intelektual khas libertarian Amerika yang berupaya menunjukkan posisi ecocentris yang mereka alami. Sederet perjalanan pemikiran para environmentalists itu dimaksudkan untuk merunut argumentasi akademis mengapa memberikan legal standing bagi sungai ataupun sebuah taman nasional menjadi normal. Sehingga muncul konsekuensi bahwa alam juga mampu menuntut hak yang sama di mata hukum untuk dihitung kepentingannya yang dilukai oleh manusia. Hanya dengan begitu, hak sungai untuk tetap jernih, burung untuk tetap berkepak dan lembah untuk tetap berlekuk bisa dinikmati sebagai buah perkembangan peradaban yang lebih etis.
Nilai Sosial Masyarakat Madura dalam Kumpulan Syair Lagu Daerah Madura
Authors: Ambarwati Putri , Wardah Huriyatul , Sofian Muhammad Ovin
Published: April 2021

Penelitian ini membahas mengenai nilai sosial masyarakat Madura dalam kumpulan syair lagu daerah Madura. Kajian ini dilakukan dengan tujuan memaparkan tentang nilai-nilai sosial dalam kehidupan masyarakat Madura yang tercermin melalui lagu daerahnya. Dengan adanya penelitian ini diharapkan mampu memberikan manfaat kepada masyarakat agar dapat memaknai lagu daerah tersebut secara mendalam dengan cara mengambil pesan yang disampaikan dalam lagu serta meluruskan streotip orang di luar Madura terhadap masyarakat Madura. Dalam penelitian ini menggunakan pendekatan etika yang sejalan dengan nilai-nilai sosial masyarakat yang dibahas. Teori yang digunakan yaitu teori dari Immanuel Kant dan John Stuart Mill yang membahas mengenai etika sosial. Penelitian ini menggunakan jenis penelitian kualitatif dan sumber data yang digunakan berupa sumber data kontekstual. Pembahasan yang dihasilkan dari penelitian ini yaitu membahas mengenai nilai-nilai sosial yang terdapat dalam beberapa lagu daerah Madura yaitu lagu “Caca aghuna, Re-sere penang, Bhing ana‟, Pajjher Lagghu, dan Tandhu‟ Majheng. Nilai-nilai yang terefleksikan dalam lagu tersebut yaitu terdiri dari nilai kepedulian dan nilai tanggung jawab.
Kearifan Lingkungan Masyarakat Dayak Benuaq dalam Novel Api Awan Asap: Kajian Ekokritik Giiford
Authors: Putri Nina Queena Hadi , Rahman Hasrul , Afifah Nisa Fitriyanti
Published: April 2021

Penelitian ini bertujuan untuk mendeskripsikan lima nilai kearifan lingkungan yang diturunkan dari kaidah estetika pastoral Giiford. Etstika Pastoral mendasari nilai kearifan lingkungan dalam sastra sebagai dasar kajian ekokritik sastra yang antroposentris, sehingga sastra tidak kehilangan fungsi kultural dan ekologisnya engenai landasan manusia dalam melestarikan alam berkaitan dengan sikap hormat, tanggung jawab, solidaritas, kasih saying dan kepedulian terhadap alam, serta tidak mengganggu kehidupan alam dalam novel Api Awan Asap karya (AAA) Korrie Layun Rampan (KLR). Jenis Penelitian ini merupakan deskriptif kualititif dengan metode content analysis Harold D. Laswell yang bertujuan untuk mengetahui isi dan makna yang terkandung dalam data yang dianalisis dengan pembahasan secara mendalam terhadap isi dari informasi tertulis, dalam hal ini adalah novel AAA yang ditulis sebagai jawaban terhadap isi kerusakan lingkungan yang disebabkan oleh masyarakat Dayak melalui pembakaran hutan. Kegiatan yang dilakukan adalah membaca, mencermati, menafsirkan, dan menganalisis novel AAA karya KLR. Sumber data dalam penelitian ini adalah novel AAA karya KLR dan literatur yang relevan. Teknik pengumpulan data dilakukan dengan teknik baca, teknik catat, dan teknik kajian kepustakaan. Hasil penelitian dapat disimpulkan bahwa terdapat lima nilai kearifan lingkungan dalam novel AAA karya karya KLR.
Penggunaan Campur Kode dalam Komunikasi Santri di Pondok Pesantren Anwarul Huda Malang
Authors: Alatas Mochamad Arifin , Rachmayanti Irma
Published: April 2021

Penelitian ini dilatarbelakangi adanya fenomena campur kode dalam komunikasi santri. Adapun penelitian ini bertujuan untuk mendeskripsikan campur kode yang terjadi di Pondok Pesantren Anwarul Huda Malang (PPAH). Penelitian ini menggunakan metode penelitian deskriptif kualitatif. Metode pengumpulan data dengan observasi langsung. Peneliti melakukan pengamatan langsung di PPAH. Sumber data penelitian ini adalah komunikasi sehari-hari di PPAH. Pengumpulan data dilakukan dengan menyimak, merekam, dan mencatat komunikasi sehari-hari santri. Teknik analisis data menganalisis data rekaman dan catatan dengan melihat konteks, latar belakang, siapa, asal, dan peran penutur saat bertutur. Hasil penelitian adalah: Wujud campur kode yang meliputi (1) Jawa-Arab, (2) Indonesia-Jawa, (3) Jawa-Indonesia. Bentuk campur kode santri PPAH meliputi (1) terdapat penyisipan kata, (2) terdapat penyisipan frasa, (3) terdapat penyisipan ungkapan atau idiom, dan (4) terdapat penyisipan baster. Berdasarkan tipe campur kode di PPAH meliputi (1) campur kode ke dalam  atau inner code-mixing dan (2) campur kode ke luar atau outer code-mixing.
Menimbang Spiritualitas dan Seksualitas: Simbolik Efisiensi dalam Praktik Pesugihan Kembang Sore di Tulungagung
Authors: Afdholy Nadya , Murti Ghanesya Hari
Published: April 2021

Penelitian ini mengkaji fenomena yang terdapat dalam teks cerita rakyat berjudul Pesugihan Kembang Sore di Tulungagung. Cerita rakyat tersebut hidup sebagai model kepercayaan yang menjadi kode sosial atau parameter moralitas masyarakat Tulungagung. Masyarakat bereaksi pada wacana simbolik tentang kekayaan dan status sosial tertentu melalui apa yang ditawarkan dari wacana lisan yang berkembang di kawasan tersebut. Penelitian ini bertujuan untuk mengungkapkan simbolik efisiensi yang terjadi pada mitos pesugihan Kembang Sore. Metode dalam penelitian ini adalah deskriptif kualitatif. Sumber data dalam penelitian berupa cerita rakyat berjudul Pesugihan Kembang Sore di Tulungagung yang berasal dari buku Folklor Lisan sebagai Media Pendidikan Karakter Mahasiswa: Kajian Sosiologi Sastra yang ditulis oleh Supratno dan Darni. Teknik pengumpulan data dalam penelitian ini adalah studi pustaka. Teknik analisis data berupa pencatatan dan interpretasi. Hasil penelitian menunjukkan bahwa praktik pesugihan Kembang Sore merupakan simbolik efisiensi karena para pelaku pesugihan melakukan ritual berdasarkan pengalaman yang simbolik demi legitimasi dan verifikasi diri dalam konteks sosial. Pemuja ritus Kembang Sore berkutat pada hal-hal yang menjebak mereka pada wacana simbolik.
Estrutura espacial e provisão de atenção primária à saúde nos municípios brasileiros
Authors: Amaral Pedro , Carvalho Lucas Resende de , Luz Luciana , Barbosa Allan Claudius Queiroz
Published: April 2021

Este artigo discute o papel da distância geográfica na provisão de serviços de Atenção Primária à Saúde (APS) no Brasil, considerando a oferta de unidades básicas de saúde e de equipes de atendimento nessa área em municípios brasileiros. Para identificar a cobertura de serviços de APS, foram utilizados métodos de análise exploratória de dados espaciais, avaliação de equilíbrio entre oferta e demanda potencial (intermunicipal) e modelos de programação linear, com vistas a identificar setores censitários que concentram população coberta e descoberta (intramunicipal). Segundo os resultados obtidos, 6% dos municípios brasileiros apresentam menos de 50% da população coberta, enquanto algumas cidades apresentam mais equipes do que seria potencialmente necessário. Na análise intramunicipal, os resultados de estudo em capital brasileira – Belo Horizonte (MG) – apontam localidades onde as equipes de saúde podem não estar distribuídas de maneira equitativa. O que se observa, de forma geral, é que, mesmo com o recente aprimoramento da distribuição regional de médicos, ainda é possível verificar a ausência de provimento de APS em algumas localidades. A adoção de ações governamentais de provimento pode contribuir para a redução dessas disparidades regionais.
Signless and normalized Laplacian spectrums of the power graph and its supergraphs of certain finite groups
Authors: Hamzeh Asma
Published: April 2021

‎The aim of this article is to compute the signless and normalized Laplacian spectrums of the power graph‎, ‎its main supergraph and cyclic graph of dihedral and dicyclic groups‎.
Bayesian Estimation of Random Parameter Models of Responses with Normal and Skew-t Distibutions Evidence from Monte Carlo Simulation
Authors: Masjkur Mohammad , Folmer Henk
Published: April 2021

Random parameter models have been found to outperform xed pa-rameter models to estimate dose-response relationships with independent errors. Amajor restriction, however, is that the responses are assumed to be normally andsymmetrically distributed. The purpose of this paper is to analyze Bayesian infer-ence of random parameter response models in the case of independent responseswith normal and skewed, heavy-tailed distributions by way of Monte Carlo simu-lation. Three types of Bayesian estimators are considered: one applying a normal,symmetrical prior distribution, a second applying a Skew-normal prior and, a thirdapplying a Skew-t-distribution. We use the relative bias (RelBias) and Root MeanSquared Error (RMSE) as valuation criteria. We consider the commonly applied lin-ear Quadratic and the nonlinear Spillman-Mitscherlich dose-response models. Onesimulation examines the performance of the estimators in the case of independent,normally and symmetrically distributed responses; the other in the case of indepen-dent responses following a heavy-tailed, Skew-t-distribution. The main nding isthat the estimator based on the Skew-t prior outperforms the alternative estima-tors applying the normal and Skew-normal prior for skewed, heavy-tailed data. Fornormal data, the Skew-t prior performs approximately equally well as the Skew-normal and the normal prior. Furthermore, it is more ecient than its alternatives.Overall, the Skew-t prior seems to be preferable to the normal and Skew-normal fordose-response modeling.
Perfect 3-Colorings of The Petersen‎ Graph
Authors: Alaeiyan Mehdi , Karami Hamed , Siasat Sajjad
Published: April 2021

‎In this paper we enumerate the parameter matrices of all perfect 3-colorings of the Petersen graph‎.
Application of Lagrange Multiplier Method for Computing Fold Bifurcation Point in A Two-Prey One Predator Dynamical System
Authors: Marwan Marwan , Tuwankotta Johan Matheus , Harjanto Eric
Published: April 2021

We propose by means of an example of applications of the classical Lagrange Multiplier Method for computing fold bifurcation point of an equilibrium ina one-parameter family of dynamical systems. We have used the fact that an equilibrium of a system, geometrically can be seen as an intersection between nullcline manifolds of the system. Thus, we can view the problem of two collapsing equilibria as a constrained optimization problem, where one of the nullclines acts as the cost function while the other nullclines act as the constraints.
Fractional Ostrowski Type Inequalities for Functions Whose Mixed Derivatives are Prequasiinvex and alpha-Prequasiinvex Functions
Authors: Meftah Badreddine , Merad Meriem , Souahi Abdourazek
Published: April 2021

In this paper, the authors introduce two new classes of generalized convexfunctions of two independent variables, and establish a new integralidentity, from which they derive some new fractional Ostrowski's integralinequalities for functions whose second derivatives are in these new classesof functions.
Warped product CR-submanifolds of Sasakian manifolds with respect to certain connections
Authors: Hui Shyamal Kumar , Roy Joydeb
Published: April 2021

The present paper deals with the study of warped product CR-submanifolds of Sasakian manifolds with respect to semisymmetric metric and semisymmetric non-metric connection. Among others, Ricci solitons of such notions have been investigated.
A Thought on Generalized Morrey Spaces
Authors: Sawano Yoshihiro
Published: April 2021

Morrey spaces can complement the boundedness propertiesof operators that Lebesgue spaces can not handle.Morrey spaces which we have been handling are called classical Morrey spaces.However,classical Morrey spaces are not totally enough to describe the boundedness properties.To this end, we need to generalize parameters $p$ and $q$, among others $p$.
A Note on Inclusion Properties of Weighted Orlicz Spaces
Authors: Masta Al Azhary , - Ifronika , Taqiyuddin Muhammad
Published: April 2021

In this paper we present sufficient and necessary conditions for the inclusion relationbetween two weighted Orlicz spaces which complete the Osan\c{c}liol result in 2014.One of the keys to prove our results is to use the norm of the characteristic functionsof the balls in $\mathbb{R}^n$.
On Generalized Holder's Inequality in Weak Morrey Spaces
Authors: Wajih Asyraf , Gunawan Hendra
Published: April 2021

In this paper we reprove generalized H\"{o}lder's inequality in weak Morrey spaces.In particular, we get sharper bounds than those in \cite{gunawan2}. Thebounds are obtained through the relation of weak Morrey spaces and weakLebesgue spaces.
The N-Integral
Authors: Racca Abraham Perral , Cabral Emmanuel A.
Published: April 2021

In this paper, we introduced a Henstock-type integral named N-integral of a real valued function f on a closed and bounded interval [a,b]. The set N-integrable functions lie entirely between Riemann integrable functions and Henstock-Kurzweil integrable functions. Furthermore, this new integral integrates all improper Riemann integrable functions even if they are not Lebesgue integrable. It was shown that for a Henstock-Kurzweil integrable function f on [a,b], the following are equivalent:The function f is N-integrable;There exists a null set S for which given epsilon >0 there exists a gauge delta such that for any delta-fine partial division D={(xi,[u,v])} of [a,b] we have [(phi_S(D) Gamma_epsilon) sum |f(v)-f(u)||v-u|<epsilon] where phi_S(D)={(xi,[u,v])in D:xi not in S} and [Gamma_epsilon={(xi,[u,v]): |f(v)-f(u)|<= epsilon}] andThe function f is continuous almost everywhere. A characterization of continuous almost everywhere functions was also given.