bluuebunny/crossref_metadata_2025_split huggingface dataset:
Vader Lexicon and Support Vector Machine Algorithm to Detect Customer Sentiment Orientation
Authors: Nurcahyawati Vivine , Mustaffa Zuriani 
Published: May 2023

Background: The concept of customer orientation, which is based on a set of fundamental beliefs that prioritize the interests of the customer, requires companies to detect these interests in order to maintain a high level of quality in their products or services. Furthermore, there are several indicators of customer orientation, and one of them is their opinion or taste, which provides valuable feedback for businesses. With the rapid development of social media, customers can express emotions, thoughts, and opinions about services or products that may not be easily conveyed in the real world.
Objective: The objective of this study is to detect customer orientation towards product or service quality, as expressed in online or social media. Additionally, the study showcases the novelty and superiority of the annotation process used for detecting customer orientation classifications.
Methods: This study employs a method to compare the classification performance of the Vader lexicon annotation process with manual annotation. To accomplish this, a dataset from the Amazon website will be analyzed and classified using the Support Vector Machine algorithm. The objective of this method is to determine the level of customer orientation present within the dataset. To evaluate the effectiveness of the Vader lexicon, the study will compare the results of manual and automatic data annotation.
Results: The results showed that customer orientation towards product or service quality has a predominantly positive value, comprising up to 76% of the total responses analyzed.
Conclusion: The findings demonstrate that using Vader in the annotation process results in superior accuracy values compared to manual annotation. Specifically, the accuracy value increased from 86% to 88.57%, indicating that Vader could be a reliable tool for annotating text. Therefore, future studies should consider using Vader as a classifier or integrating it into the annotation process to further enhance its performance.

Keywords: Classification, Customer, Orientation, Text analysis, Vader lexicon,
Trends and Applications of Gamification in E-Commerce: A Systematic Literature Review
Authors: Rahmadhan Muhamad Adhytia Wana Putra , Sensuse Dana Indra , Suryono Ryan Randy , Kautsarina Kautsarina 
Published: May 2023

Background: Gamification is a trend that has emerged with the growth of e-commerce. Given the wide range of human characteristics, determining which gamification elements perform well and what impact those gamification elements have can be challenging.
Objective: This study aims to conduct a systematic literature review to broadly review the impact that can be caused by the application of gamification elements in e-commerce. This study also attempts to identify the current trends in using gamification elements.
Methods: This study was carried out based on the Kitchenham approach and analyzes 25 research papers extracted from a total of 550 papers. The articles were gathered from ACM, Emerald, ScienceDirect, and Scopus and were published between 2016 and 2021.
Results: This study found that the trend of research in the field of gamification in e-commerce continues to grow every year. Also, this study found that the most frequently used gamification elements are achievement-oriented (such as rewards, points, badges, and leaderboards). Meanwhile, immersion-related gamification elements (such as avatars, fantasy, etc.) are emerging as a new trend for new gamification elements to be incorporated in e-commerce. This study also found three major themes, namely consumer loyalty, consumer engagement, and user behavior, as a result of the application of gamification in e-commerce.
Conclusion: This study helps to improve knowledge of various gamification elements, trends, and impacts on e-commerce. Future studies need to examine the challenges that may arise in the application of gamification elements to the three major themes found in this study and find potential solutions to overcome them.

Keywords: E-Commerce, Gamification, Gamification trends and applications, Kitchenham, Systematic literature review.
Factors Affecting Adoption of Telemedicine for Virtual Healthcare Services in Indonesia
Authors: Alviani Rima , Purwandari Betty , Eitiveni Imairi , Purwaningsih Mardiana 
Published: May 2023

Background: The utilization of virtual healthcare services, particularly telemedicine, has been accelerated by the COVID-19 pandemic. Although the pandemic is no longer the primary concern, telemedicine still holds potential for long-term adoption. However, implementing telemedicine in Indonesia as an online platform for remote healthcare delivery still faces issues, despite its potential. Further investigation is required to identify the factors that affect its adoption and develop strategies to surmount implementation challenges.
Objective: This study aims to examine and enrich knowledge about the adoption of telemedicine in Indonesia.
Methods: A cross-sectional survey was conducted through an online questionnaire to collect data. Unified Theory of Acceptance and Use of Technology 2 (UTAUT2) was employed by integrating with several factors, such as eHealth Literacy, Privacy Concerns, and Trust. Gender and age were considered as moderating variables. Data samples were analyzed using Partial Least Square – Structural Equation Modeling (PLS–SEM).
Results: The findings suggest that performance expectancy, effort expectancy, social influence, eHealth literacy, and trust have a significant impact on adults’ behavioral intention to use telemedicine. However, facilitating condition, price value, and privacy concern do not show any significant effects on adults’ Behavioral Intention to Use Telemedicine.
Conclusion: This study highlights the importance of understanding adoption factors to develop effective strategies. Results show performance expectancy, effort expectancy, social influence, eHealth literacy, and trust are significant factors, while facilitating condition, price value, and privacy concern are not. The UTAUT2 model is a good predictive tool for healthcare adoption. To increase usage intention, several aspects must be considered in the implementation of telemedicine.

Keywords: Adoption, Behavioral Intention to Use, Telemedicine, UTAUT2, Virtual Healthcare.
Aspect-based Sentiment and Correlation-based Emotion Detection on Tweets for Understanding Public Opinion of Covid-19
Authors: Salsabila Salsabila , Tyas Salsabila Mazya Permataning , Romadhona Yasinta , Purwitasari Diana 
Published: May 2023

Background: During the Covid-19 period, the government made policies dealing with it. Policies issued by the government invited public opinion as a form of public reaction to these policies. The easiest way to find out the public’s response is through Twitter’s social media. However, Twitter data have limitations. There is a mix between facts and personal opinions. It is necessary to distinguish between these. Opinions expressed by the public can be both positive and negative, so correlation is needed to link opinions and their emotions.
Objective: This study discusses sentiment and emotion detection to understand public opinion accurately. Sentiment and emotion are analyzed using Pearson correlation to determine the correlation.
Methods: The datasets were about public opinion of Covid-19 retrieved from Twitter. The data were annotated into sentiment and emotion using Pearson correlation. After the annotation process, the data were preprocessed. Afterward, single model classification was carried out using machine learning methods (Support Vector Machine, Random Forest, Naïve Bayes) and deep learning method (Bidirectional Encoder Representation from Transformers). The classification process was focused on accuracy and F1-score evaluation.
Results: There were three scenarios for determining sentiment and emotion, namely the factor of aspect-based and correlation-based, without those factors, and aspect-based sentiment only. The scenario using the two aforementioned factors obtained an accuracy value of 97%, while an accuracy of 96% was acquired without them.
Conclusion: The use of aspect and correlation with Pearson correlation has helped better understand public opinion regarding sentiment and emotion more accurately.

Keywords: Aspect-based sentiment, Deep learning, Emotion detection, Machine learning, Pearson correlation, Public opinion.
Dry Adhesive Microstructures for Material Handling of Additively Manufactured and Deep Rolled Metal Surfaces with Reference to Mars
Authors: Mensching Nicole , Krüger Mirja Louisa , Kvaratskheliya Askar , Meyer Daniel , Tracht Kirsten , Okulov Ilya V. , Mädler Lutz 
Published: May 2023

Once on Mars, maintenance and repair will be crucial for humans as supply chains including Earth andMars will be very complex. Consequently, the raw material available on mars must be processed and used. Factors such as the energy available for material production play just as important a role as the quality of the material that can be produced and the quality of its surface. With the aim of developing and technically implementing a process chain that meets the challenge of producing spare parts from oxygen-reduced Mars regolith, this paper addresses the issue of low-energy handling. Expected statistically distributed high roughnesses of sintered regolith analogs are approximated in this work by parameter variation in the PBF-LB/M process. For low-energy handling, a dry-adhesive microstructure is used. Investigations are carried out to determine the extent to which the rough surface resulting from the manufacturing process can be smoothed by deep rolling in such a way that the microstructure adheres and enables samples to be transported. For the investigated AlSi10Mg samples (12 mm x 12 mm x 10 mm), the surface roughness varies in a wide range from Sa 7.7 µm to Sa 64 µm after the additive manufacturing process, pull-off stresses of up to 6.99 N/cm² could be realized after deep rolling. This represents an increase in pull-off stresses by a factor of 392.94 compared to the pull-off stresses before deep rolling, enabling handling of even larger specimens. It is noteworthy that specimens with roughness values that were previously difficult to handle can be treated post-deep rolling, indicating a potential influence of additional variables that describe roughness or ripples and are associated with the adhesion effect of the microstructure of the dry adhesive.
Infantile Hypoxic Encephalopathy with Biphasic Seizures Mimicking Acute Encephalopathy with Biphasic Seizures and Late Reduced Diffusion (AESD)
Authors: Fujino Shuhei , Enokizono Mikako , Kono Tatsuo , Miyama Sahoko 
Published: May 2023

Acute encephalopathy with biphasic seizures and reduced diffusion (AESD) is characterized by biphasic seizures following febrile viral infections and delayed reduced diffusion of the cerebral white matter on magnetic resonance imaging (MRI) diffusion-weighted imaging (DWI) (bright tree appearance, BTA). However, hypoxic encephalopathy with biphasic seizures and AESD-mimicking imaging findings	has not been reported. Herein, we report an case of hypoxic encephalopathy due to suffocation with concomitant biphasic seizures and BTA, mimicking AESD. On day 1, a 5-month-old female was found face down with breathing cessation and deteriorating consciousness level. The electroencephalography (EEG) revealed periodic epileptic discharges, suggesting possible nonconvulsive status epilepticus. Despite the improvements in consciousness level and EEG abnormalities on day 2, her consciousness level deteriorated again with generalized tonic-clonic seizures on day 3, and head MRI-DWI revealed restricted diffusion predominantly in the subcortical areas, suggesting BTA. Treatment for acute encephalopathy resolved clinical sei-zures and EEG abnormalities. The persistence of abnormal EEG, reflecting abnormal excitation and accumulation of neurotoxic substances caused by hypoxia, may have contributed to the devel-opment of AESD-like findings. As hypoxic encephalopathy causes AESD-like biphasic seizures, monitoring the consciousness level, seizure occurrence, and EEG abnormalities even after acute symptoms have temporarily improved following hypoxia is essential.
Surgical Management of Metastatic Pathologic Subtrochanteric Fractures
Authors: Inchaustegui Maria L. , Ruiz Kim , Gonzalez Marcos R. , Pretell-Mazzini Juan 
Published: May 2023

Background:
Subtrochanteric pathological fractures (PFs) occur in approximately one-third of femur bone metastases. We seek to analyze surgical treatment strategies for subtrochanteric metastatic PFs and their revision rates.

Methods:
A systematic review was performed using the PubMed and Ovid databases. Reoperations as a result of complications were analyzed according to initial treatment modality, primary tumor site, and type of revision procedure.

Results:
We identified a total of 544 patients, 405 with PFs and 139 with impending fractures. The study population's mean age was 65.85 years with a male/female ratio of 0.9. Patients with subtrochanteric PFs who underwent an intramedullary nail (IMN) procedure (75%) presented a noninfectious revision rate of 7.2%. Patients treated with prosthesis reconstruction (21%) presented a noninfectious revision rate of 8.9% for standard endoprostheses and 2.5% for tumoral endoprostheses (p < 0.001). Revision rates because of infection were 2.2% for standard and 7.5% for tumoral endoprostheses. There were no infections within the IMN and plate/screws group (p = 0.407). Breast was the most common primary tumor site (41%) and had the highest revision rate (14.81%). Prosthetic reconstructions were the most common type of revision procedure.

Conclusion:
No consensus exists regarding the optimal surgical approach in patients with subtrochanteric PFs. IMN is a simpler, less invasive procedure, ideal for patients with a shorter survival. Tumoral prostheses may be better suited for patients with longer life expectancies. Treatment should be tailored considering revision rates, patient's life expectancy, and surgeon's expertise.

Level of Evidence:

Level III. See Instructions for Authors for a complete description of levels of evidence.
Efforts to Increase Legal Awareness on Violent Behavior by Ende Residents in Surabaya City
Authors: Dewi Pulung Sari Retno , Suryawati Nany 
Published: May 2023

The legal system which is based on and inspired by the philosophical values of Pancasila, aims to improve the legal system in Indonesia. That is able to protect its citizens from all actions or behaviors that are contrary to humanity and justice. Therefore, Indonesian law contains elements of protecting implementing order, justice, and especially non-discrimination, especially from gender. The law creates a dignified society, which humanizes humans, upholds human values. The norms that live in society, become a basis for the formation of a rule. But the customs and habits that exist in ethnic groups in Indonesia have their own character. Violence cannot be identified in a particular society, but all humans can have a hard character. However, the existence of a belis or dowry, seems to give legitimacy that women have been bought. Therefore, through this community service activity, it focuses focuses on efforts to increase awereness of the law in the hope of minimizing the habit of violent behavior in the nomad community from Ende in the Surabaya city. This effort to increase awereness of the law is carried out through legal assistance regarding domestic violence in the Ende nomad community in Surabaya City. The assistance of representatives of Ende residents in Surabaya related to Law Number 23 of 2004 concerning Domestic Violence needs to be carried out intensively and massively. There is a decrease in the level of domestic violence in the families of Ende nomads in Surabaya.
Highlights:

Legal System Based on Pancasila: The legal system in Indonesia is inspired by the philosophical values of Pancasila, aiming to protect citizens and uphold humanity, justice, and non-discrimination, especially concerning gender.

Focus on Awareness and Minimizing Violence: Community service activity focuses on increasing awareness of the law to minimize violent behavior within the nomad community from Ende in Surabaya.

Intensive Legal Assistance: Representatives of the Ende residents in Surabaya provide intensive and massive legal assistance related to Law Number 23 of 2004 concerning Domestic Violence, resulting in a decrease in domestic violence in the Ende nomad families.

Keywords: Violent Behaviour, Belis Culture, Legal Awereness, Domestic Violence, Nomad Community
Meta-analysis of risk factors for puncture site bleeding after transfemoral artery puncture intervention
Authors: Yulian Li , Wei Mo , Huanhuan Liu , hongjiao Chen 
Published: May 2023

Abstract
Objective To identify the risk factors of bleeding at the puncture site after femoral artery puncture intervention by Meta-analysis, and to provide a basis for postoperative evaluation and prevention of bleeding at the puncture site.
Methods China National Knowledge Infrastructure (CNKI), Wanfang, VIP, China Biomedical Literature Service (CBM), PubMed, Medline, The Cochrane Library, EMbase and Web of Science were searched from the establishment of the database to October 10, 2022 Observational studies, including cross-sectional studies, case-control studies, and cohort studies, on risk factors for bleeding at the puncture site after transfemoral artery puncture intervention in the Science database. Newcastle-Ottawa scale (NOS) was used to evaluate the quality of the included studies. Finally, RevMan5.3 software was used for meta-analysis of the literature data.
Results Eight articles (total sample size 35250 cases) were included, including 1410 patients in postoperative bleeding group and 33840 patients in non-bleeding group. The influencing factors with statistically significant differences by meta-analysis are as follows: Elderly (OR=2.71, 95%CI = 2.17-3.38), female (R=4.26, 95%CI = 1.08-16.89), hypertension (OR=2.48, 95%CI = 1.69-3.63), obesity (OR=2.33, 95%CI = 1.59-3.42), Thrombolytic agents, anticoagulants, OR platelet antagonists were used (OR=2.95, 95%CI = 2.24-3.89), and manual compression was used (OR=6.78, 95%CI = 1.34-34.43).
Conclusions The evidence shows that advanced age, female, hypertension, obesity, the use of thrombolytic agents/anticoagulants/platelet antagonists and manual compression are the risk factors of bleeding at the puncture site after femoral artery puncture intervention, which can provide a reference for the risk assessment of bleeding after clinical surgery and the development of preventive measures.
Revisiting assumptions in test-negative studies for estimating vaccine effectiveness: the need for a clinical case definition
Authors: Sullivan Sheena , Khvorov Arseniy , Huang Xiaotong , Wang Can , Ainslie Kylie , Nealon Joshua , Yang Bingyi , Cowling Benjamin , Tsang Tim 
Published: May 2023

Abstract
Test negative studies have been used extensively for the estimation of COVID-19 vaccine effectiveness (VE). Such studies are able to estimate VE against medically-attended illness under certain assumptions. Selection bias may be present if the probability of participation is associated with vaccination or COVID-19, but this can be mitigated through use of a clinical case definition to screen patients for eligibility, which increases the likelihood that cases and non-cases come from the same source population. We examined the extent to which this type of bias could harm COVID-19 VE through systematic review and simulation. A systematic review of test-negative studies was re-analysed to identify studies ignoring the need for clinical criteria. Studies using a clinical case definition had a lower pooled VE estimate compared with studies that did not. Simulations varied the probability of selection by case and vaccination status. Positive bias away from the null (i.e., inflated VE consistent with the systematic review) was observed when there was a higher proportion of healthy, vaccinated non-cases, which may occur if a dataset contains many results from asymptomatic screening in settings where vaccination coverage is high. We provide an html tool for researchers to explore site-specific sources of selection bias in their own studies. We recommend all group consider the potential for selection bias in their vaccine effectiveness studies, particularly when using administrative data.
Identifying Vaccine-hesitant Subgroups in the Western Pacific: A Latent Class Analysis
Authors: Choi Yongjin , Leung Kathy , Wu Joseph , Lin Leesa , Larson Heidi 
Published: May 2023

Abstract

Background: Vaccine hesitancy has seriously compromised the COVID-19 vaccine roll-out across the Western Pacific; nevertheless, evidence-based recommendations that account for the heterogeneity of vaccine-hesitant populations in this region remain lacking. To help design customized vaccine communication strategies, we sought to investigate the profile of the vaccine-hesitant populations in Cambodia, Japan, Lao PDR, Malaysia, Mongolia, Papua New Guinea, Philippines, Republic of Korea, and Viet Nam.
Methods: Using 16,408 survey responses from an international survey distributed in 2021 and 2022, we identified hidden subgroups by conducting latent class analysis (LCA) and examined their vaccine acceptance and booster uptake by using Ordinary Least Square (OLS) regressions.
Findings: Our LCA approach identified six classes: college students, distrusters of health care providers (HCPs), stay-at-home mothers, the elderly, compliant pragmatists, and general working population. Booster uptake were significantly low in two groups: college students [13 percentage points; 95% CI -0.21 to -0.05] and HCP distrusters [8 percentage points; 95% CI -0.15 to -0.01]; these groups’ acceptance were also similarly low. Stay-at-home mothers’ acceptance and uptake were comparable, but this group took a large portion of vaccine-hesitant people in the Philippines. The profiles of the vaccine-hesitant populations in each country were compared and categorized into four groups, depending on the composition of classes that account for the unvaccination population.
Interpretation: The results of this study suggest that drivers of vaccine hesitancy may vary by country and indicate that each country needs a customized strategy that reflects the profile of its vaccine-hesitant population. The proposed recommendations for each country can identify the target population for designing effective vaccine communication strategies.