bluuebunny/crossref_metadata_2025_split huggingface dataset:
COVID-19 Vaccine–Related Discussion on Twitter: Topic Modeling and Sentiment Analysis
Authors: Lyu Joanne Chen , Han Eileen Le , Luli Garving K 
Published: June 2021

Background
Vaccination is a cornerstone of the prevention of communicable infectious diseases; however, vaccines have traditionally met with public fear and hesitancy, and COVID-19 vaccines are no exception. Social media use has been demonstrated to play a role in the low acceptance of vaccines.

Objective
The aim of this study is to identify the topics and sentiments in the public COVID-19 vaccine–related discussion on social media and discern the salient changes in topics and sentiments over time to better understand the public perceptions, concerns, and emotions that may influence the achievement of herd immunity goals.

Methods
Tweets were downloaded from a large-scale COVID-19 Twitter chatter data set from March 11, 2020, the day the World Health Organization declared COVID-19 a pandemic, to January 31, 2021. We used R software to clean the tweets and retain tweets that contained the keywords vaccination, vaccinations, vaccine, vaccines, immunization, vaccinate, and vaccinated. The final data set included in the analysis consisted of 1,499,421 unique tweets from 583,499 different users. We used R to perform latent Dirichlet allocation for topic modeling as well as sentiment and emotion analysis using the National Research Council of Canada Emotion Lexicon.

Results
Topic modeling of tweets related to COVID-19 vaccines yielded 16 topics, which were grouped into 5 overarching themes. Opinions about vaccination (227,840/1,499,421 tweets, 15.2%) was the most tweeted topic and remained a highly discussed topic during the majority of the period of our examination. Vaccine progress around the world became the most discussed topic around August 11, 2020, when Russia approved the world’s first COVID-19 vaccine. With the advancement of vaccine administration, the topic of instruction on getting vaccines gradually became more salient and became the most discussed topic after the first week of January 2021. Weekly mean sentiment scores showed that despite fluctuations, the sentiment was increasingly positive in general. Emotion analysis further showed that trust was the most predominant emotion, followed by anticipation, fear, sadness, etc. The trust emotion reached its peak on November 9, 2020, when Pfizer announced that its vaccine is 90% effective.

Conclusions
Public COVID-19 vaccine–related discussion on Twitter was largely driven by major events about COVID-19 vaccines and mirrored the active news topics in mainstream media. The discussion also demonstrated a global perspective. The increasingly positive sentiment around COVID-19 vaccines and the dominant emotion of trust shown in the social media discussion may imply higher acceptance of COVID-19 vaccines compared with previous vaccines.
Pemahaman Perpajakan dan Religiusitas Memoderasi Penurunan Tarif Pajak dan Pelayanan Online pada Kepatuhan Wajib Pajak
Authors: Wirawan I Made Dwi Sumba , Arygunartha Gede Yohanes , Nida Desak Rurik Pradnya Paramitha 
Published: June 2021

This study examines the effect of lowering tax rates and online services on taxpayer compliance and tests the ability to understand taxation and religiosity as moderating variables. The number of samples analyzed was 83 Micro, Small, and Medium Enterprises (MSMEs) which became partners of the Denpasar City Cooperative and UMKM Office. Determination of the sample in this study using probability sampling with simple random sampling method. The analysis technique used is multiple linear regression and Moderated Regression Analysis (MRA). The results of the analysis show that the reduction in tax rates and online services has a positive effect on taxpayer compliance. Understanding taxation and religiosity strengthens the reduction in tax rates on taxpayer compliance. However, understanding taxation and religiosity do not moderate the effect of online services on taxpayer compliance.
Keywords: Reduction In Tax Rates; Online Services; Obedience; Understanding; Religiosity.
Sentimen Investor terhadap Stock Return JII di Awal COVID-19
Authors: Istiqomah Istiqomah , Wardhani Dian Kusuma , Supratiwi Wiwik , Ratnawati Tri 
Published: June 2021

The research objective is to obtain empirical evidence of the negative influence of investor sentiment on the Jakarta Islamic Index stock return at the beginning of Covid-19. The research contributes to the Islamic finance literature and its supports agency theory, behaviour finance and signaling theory. The research sample used 30 companies listed in the Jakarta Islamic Index for the first semester of 2020. The final sample is 180 observational data. Fourth classical assumption uses, and result show passed all the classical assumption. This study uses control variables such as firm size and firm age. Multiple linear regression as an analysis processed with SPSS version 23. Research findings show a significant negative effect of investor sentiment on Jakarta Islamic Index stock returns at the beginning of Covid-19. This study implicates to management, shareholders and investor.
Keywords: Investor Sentiment; Stock Return; COVID-19.
Perlindungan Konsumen dari Penyebarluasan Data Pribadi oleh Pihak Ketiga: Kasus Fintech Peer”To Peer Lending”
Authors: Novinna Veronica 
Published: June 2021

Online loans are an instant method to get loans with technology basis and under control of the Financial Services Authority. Startups organizer have failed to protect consumers personal information thus creates problem in collecting debts."This study aims to explain and analyze" the”Legal Position of the Debt Collector in the administration of fintech and the legal consequences of the act of suppressing payments to consumers who fail to pay unlawfully.”This type of research used is normative juridical conducted with the approach of existing laws and regulations in Indonesia. Based on the research results obtained, there is a relationship or position of a third party with an online loan provider as a debt collector in a loan default, and this is explicitly explained in the P2P Lending fintech service delivery guidelines. "The legal consequences of the act of suppressing payments in the form of distribution" consumer personal data from the debt collector of the party organizing P2P Lending where "the consumer has the right to get legal protection through the filing of a claim of loss" arising as well as the organizer may be subject to administrative sanctions for his negligence.
Pinjaman online ialah pinjaman cepat berbasis teknologi yang diawasi oleh OJK, beberapa penyelenggara telah lalai dalam menjaga data pribadi konsumen sehingga menimbulkan permasalahan dalam penagihan hutang kepada konsumen. Penelitian ini bertujuan untuk menjelaskan dan menganalisis Kedudukan Hukum Debt collector dalam penyelenggaraan fintech dan akibat hukum terhadap tindakan menekan pembayaran kepada konsumen gagal bayar dengan cara melawan hukum”. Jenis Penelitian yang dipergunakan ialah yuridis normatif yang dilakukan dengan pendekatan peraturan perundang-undangan yang ada di Indonesia. Berdasarkan hasil penelitian yang didapat yakni adapun hubungan atau kedudukan pihak ketiga dengan penyelenggara pinjaman online adalah sebagai penagih hutang dalam pinjaman gagal bayar dan hal tersebut dijelaskan secara eksplisit dalam pedoman perilaku pemberian layanan fintech Peer to Peer Lending (P2P Lending).”Adapun akibat hukum terhadap tindakan menekan pembayaran berupa penyebaran data pribadi konsumen dari debt collector pihak penyelenggara P2P Lending dimana konsumen berhak mendapat perlindungan hukum melalui pengajuan tuntutan kerugian yang timbul serta pihak penyelenggara dapat dikenakan sanksi administratif atas tindakan kelalaiannya.
Implementasi dari Corporate Negligence dan Relevansi Quasi Economic Credentialing dalam Praktik di Rumah Sakit Swasta
Authors: Willem Lumunon Theodorus Hendrik , Zet Viany Liju , Tampi Butje , Waha Caecelia J. J. 
Published: June 2021

The prevailing law of the hospital liability for every damage occured by the health professionals in hospital falls into very broad sense and leaving many critical questions about how this definition to be applied. The question addressed whether the hospital may defend it's position by proving that the negligence by the health professionals was caused beyond the hospital guidelines such as the theory of professional liability scheme?. Purpose: to explain the hospital liability based on the corporate negligence theory, and to identify the implementation of economic credential in private hospitals. Method: using the normative juridical method, through legislation approach, concepts and legal comparison and also supported by the data field such focus group discussion. Results: Health professionals can be liabiled if she/he has found deviate by the professional medical standards.The hospital was liabiled for every damage occured by the health professional based on the "vicarious liability" scheme. The medical negligence according to the perception of health law is different from the general negligence in the legal perception. The economic credentialing actually has exist with some modification such as “scheme target”, or what we called the "quasi economic credentialing".
Rumah Sakit bertanggung gugat terhadap kerugian yang diakibatkan oleh tenaga kesehatan yang bekerja di rumah sakit. Konsep ini menimbulkan pertanyaan mengenai beban pembuktian apakah pihak rumah sakit dapat mengelak dengan argumen bahwa kelalaian tenaga kesehatan itu sudah bertindak di luar skema tanggung jawab rumah sakit sebagaimana umumnya berlaku pada teori pertanggungjawaban. Artikel ini bertujuan untuk menjelaskan tanggung gugat rumah sakit berdasarkan teori corporate negligence, dan mengidentifikasi bagaimana pelaksanaan economic credentialing di rumah sakit swasta. Penelitian ini menggunakan metode yuridis normatif, dengan pendekatan, perundang-undangan, konsep dan perbandingan hukum, dan data lapangan sebagai penunjang. Hasil penelitian menunjukkan staf medis dapat di mintakan tanggung gugat apabila menyimpang dari standar profesi kedokteran. Rumah Sakit, sebagai majikan dapat dimintakan tanggung gugat atas kerugian yang dilakukan tenaga kesehatan yang bekerja di rumah sakit sebagaimana skema pertanggungan jawab vicarious liability. Kelalaian medis menurut persepsi hukum kesehatan berbeda dengan kelalaian umum persepsi hukum. Kredensial ekonomi di rumah sakit tertentu telah dilaksanakan, meskipun dalam pengertian terbatas, disebut peneliti target skema (quasi economic credentialing).
Perlindungan Hukum Terhadap Anak-Anak Disabilitas Terkait Hak Pendidikan di Kabupaten Buleleng
Authors: Sudika Mangku Dewa Gede 
Published: June 2021

Persons with disabilities are often forgotten in the development of law and also participation in legal development so that their access to justice is vulnerable. Persons with disabilities must obtain the same rights as others without exception. This is to give them a sense of fairness that persons with disabilities are entitled to an education in this country. The purpose of this study is to provide an overview of the legal protection of children with disabilities in the district of Buleleng. This research is a normative juridical legal research using a statutory approach. Based on the results of the study it was found that the legal protection received by children with disabilities in the district of Buleleng, especially in relation to education has not been touched even though the province of Bali has implemented local regulations that state the fulfillment of the rights of persons with disabilities including children, this is not yet fully can be implemented because the facilities and infrastructure that have not been met in Buleleng Regency so that the fulfillment of these rights is hampered.
Penyandang disabilitas sering dilupakan dalam perkembangan hukum dan juga partisipasi dalam pembangunan hukum, sehingga menjadi rentan aksesnya terhadap keadilan. Penyandang disabilitas harus memperoleh hak yang sama dengan yang lain tanpa terkecuali. Hal ini untuk memberikan rasa adil kepada mereka bahwa penyandang disabilitas berhak untuk memperoleh pendidikan di negara ini. Tujuan penelitian ini ialah untuk memberikan gambaran umum tentang perlindungan hukum terhadap anak-anak disabilitas yang ada di kabupaten Buleleng. Penelitian ini merupakan penelitian hukum yuridis normatif dengan menggunakan pendekatan perundang-undangan. Berdasarkan hasil penelitian ditemukan bahwa perlindungan hukum yang diterima oleh anak-anak penyandang disabilitas di kabupaten Buleleng khususnya berkenaan dengan pendidikan masih belum tersentuh walaupun provinsi Bali telah menerapkan peraturan daerah yang menyatakan tentang pemenuhan hak-hak penyandang disabilitas termasuk anak-anak, hal ini belum sepenuhnya dapat di laksanakan karena sarana dan prasarana yang belum terpenuhi di Kabupaten Buleleng sehingga pemenuhan hak-hak tersebut menjadi terhambat.
Apropiación tecnológica, habilidades digitales y competencias digitales de los estudiantes universitarios: Mapeo Sistemático de la Literatura
Authors: Fernández Morales Katiuska , Reyes Argona Sergio , López-Ornelas Maricela 
Published: June 2021

La representación del término brecha digital, continúa siendo polémico, no sólo por el esfuerzo desmedido por disminuirla —el cual continúa proyectándose como un desafío en diversas latitudes—, sino por su complejidad para lograrlo. En México, específicamente, se establecen acciones desde el ámbito educativo para estudiar la brecha que existe por acceso, uso y conocimiento de la tecnología, entre otras carencias tecnológicas. En consonancia, el objetivo del trabajo, es responder algunos de estos retos, desde la aproximación al campo de la innovación y la investigación educativa, área que realiza importantes aportaciones para diferenciar lo que está sucediendo en el contexto nacional e internacional con relación al uso de las tecnologías de información y comunicación. En este primer acercamiento, la investigación de tipo exploratoria, se auxilia de la Revisión Sistemática de la Literatura a través de una adaptación metodológica, propuesta por García-Peñalvo (2017), estructurada en dos fases: 1) mapeo sistemático de la literatura, y 2) la revisión a profundidad de la literatura. El artículo presenta los resultados de la primera fase, que constituye el análisis de 170 artículos y un libro extraídos de bases de datos que proveen acceso abierto a los artículos, como Scopus, SciELO y Redalyc; el trabajo expone las definiciones de las tres variables que motivan el estudio: apropiación tecnológica, habilidades digitales y competencias digitales; entre los hallazgos más relevantes, se despliega, que los conceptos emergentes, están asociados al aprendizaje digital donde son involucrados un alto porcentaje de los jóvenes universitarios, hoy en día.
A Vista da Sra. Thompson
Authors: Silva Nogueira Bruno 
Published: June 2021

David Foster Wallace foi um dos maiores escritores estadunidenses de sua geração, reconhecido como tal desde 1996, com o lançamento de Graça Infinita. Mas seu sucesso não se restringia Ã produção não-ficcional. Entre seus textos mais conhecidos estão ensaios publicados em revistas e compilados nos volumes A Supposedly Fun Thing I'll Never Do Again, Consider the Lobster, e Both Flesh and Not. Daniel Galera e Daniel Pelizzari traduziram alguns deles em 2012, criando a coletânea Ficando longe do fato de já estar meio que longe de tudo, que buscava ser uma porta de entrada para leitores brasileiros a obras de Wallace, antes da tradução de Graça Infinita. Essa seleção, buscando atrair o leitor, não pôde evitar a omissão de alguns ensaios importantes - entre eles, The View from Mrs. Thompson, cuja tradução apresento. Ele gira em torno da experiência de Wallace ao assistir, pela televisão, de uma pequena cidade no centro dos Estados Unidos, os ataques de onze de setembro. Wallace descreve não só o momento do ataque, mas as experiências e reações que percebe em si e naqueles a seu redor ”” indicando mais ou menos sutilmente que seu maior medo, talvez, não fosse dos terroristas, mas da reação de seu país e de seus compatriotas a um ataque de tais proporções.
BREVE INTRODUÇÃO À ANÁLISE DO DISCURSO DE JAMES PAUL GEE
Authors: Correia Karen Cristiny de Andrade 
Published: June 2021

A despeito do grande número de pesquisas e programas de pós-graduação no campo da Análise do Discurso no Brasil, há uma escassez de estudos, em língua portuguesa, que se dediquem a ou se embasem na Análise do Discurso de James Paul Gee. Ao desenvolver uma dissertação de mestrado ancorada nesse quadro teórico, encontramos um único trabalho orientado por ele. Não foram encontrados textos do autor acerca dessa temática traduzidos para o português. Tendo em vista tal cenário, buscamos, no presente artigo, realizar uma breve introdução ao pensamento do pesquisador americano no que diz respeito Ã Análise de Discurso. Para tanto, partimos de alguns de seus conceitos fundamentais, tais como discurso, modelos discursivos e identidade.
Analysis of Influencing Factors and Predictive Models of Multidrug-resistant Bacterial Infection in Severe Patients
Authors: Wang Xianhui 
Published: June 2021

Objective: To investigate the influencing factors of multi-drug resistant bacterial infections in patients with severe disease and establish a predictive model. Methods: 207 infected patients in our hospital from 2018 to May 2020 were selected for the study, of which 73 carried drug-resistant bacteria. Results: The risk factor network of people infected with multi-drug resistant bacteria is higher than that of people infected with non-multidrug resistant bacteria, and the interaction between risk factors of the former is stronger. Conclusion: Antibiotics must be used appropriately after surgery. When the elderly was abnormal in indicators such as fever and procalcitonin in the ward, they should be considered as high-risk groups of MDRO infection. They need special care and preventive measures.
Algoritma Scale Invariant Feature Transform (SIFT) pada Deteksi Kendaraan Bermotor di Jalan Raya
Authors: MIFTAHUDDIN YUSUP , FAHRUDIN NUR FITRIANTI , PRAYOGA MOCHAMAD FACHRY 
Published: June 2021

AbstrakProses perhitungan jumlah kendaraan yang masih dilakukan secara manual dan membutuhkan banyak operator dalam pendataan. Berdasarkan hal itu, diperlukan sistem yang mampu mendeteksi dan mengklasifikasi kendaraan yang melintas di jalan raya secara otomatis. Dalam mengidentifikasi citra kendaraan, sistem menggunakan algoritma SIFT. Hasil fitur akan dibandingkan dengan metode K-Nearest Neighbor (KNN). Sistem dibangun untuk mendeteksi jenis kendaraan berat dengan mengukur tingkat akurasi keberhasilan berdasarkan nilai pencahayaan, jumlah objek, perubahan rotasi, serta pada kondisi siang dan malam hari. Dataset yang digunakan berjumlah 100 citra kendaraan berat. Kinerja sistem pada kondisi siang hari mendapat nilai presisi rata-rata 100%, nilai recall 54%, dan nilai akurasi 78%. Hasil pengukuran presisi dan recall, diperoleh nilai f-measure sebesar 67 %.Kata kunci: SIFT, kendaraan berat, K-Nearest NeighbourAbstractThe process of collecting vehicles still done manually and requires a lot of human resources. Therefore, we need a system that can detect and classify vehicles passing on the highway automatically. SIFT is an algorithm for identification of an image. The features will be compared using the K-Nearest Neighbor (KNN) method. In this study, system will be designed to detect the type of heavy vehicle using the SIFT method to measure the accuracy of success based on the value of lighting, number of objects, changes in rotation, and day night conditions. Dataset used was 100 heavy vehicle images. The system performance during daytime conditions gets an average precision value of 100%, a recall value of 54%, and an accuracy value of 78%. From the results of precision and recall, the f-measure value is 67 %.Keywords: SIFT, heavy vehicles, K-Nearest Neighbour
Production of briquettes from Indonesia agricultural biomass waste by using pyrolysis process and comparing the characteristics
Authors: Murni Sri Wahyu , Setyoningrum Tutik Muji , Nur Muhamad Maulana Azimatun 
Published: June 2021

Indonesia biomass waste is a potential feedstock as a source of renewable energy since it can be converted into carcoal briquettes. However, the production of the briquettes using pyrolysis process using the agricultural waste was lacking. In this research, briquette was made from palm shells, corncob and soybean stem wood due to its high availability and have high cellulose content. The purpose of this research was to produce briquettes from three kind of raw materials by employing pyrolysis process and compared the characteristics. The briquette was made from different type of raw materials (palm shells, corncob and soybean stem) and the concentration of binder : 3-7 %. Pyrolysis was done at 500 °C, and 100 kg / cm2 of pressing pressure. Results showed that, the best charcoal briquette was achieved from palm shells by using 5% binder, which resulted 4,1% moisture content, 3.4% ash content, 15% volatile matter content, 77.5% carbon content, 7075 cal/g calorific value and 1.4 kg/cm2 compresive strength. It is found that the concentration of binder and raw material influenced the quality of the briquettes. In overall, the production of the briquettes by employing pyrolysis method could meet the standard.
The effect of minimally invasive lumbar decompression surgery on sagittal spinopelvic alignment in patients with lumbar spinal stenosis: a 5-year follow-up study
Authors: Salimi Hamidullah , Toyoda Hiromitsu , Yamada Kentaro , Terai Hidetomi , Hoshino Masatoshi , Suzuki Akinobu , Takahashi Shinji , Tamai Koji , Hori Yusuke , Yabu Akito , Nakamura Hiroaki 
Published: June 2021

OBJECTIVE
Several studies have examined the relationship between sagittal spinopelvic alignment and clinical outcomes after spinal surgery. However, the long-term reciprocal changes in sagittal spinopelvic alignment in patients with lumbar spinal stenosis after decompression surgery remain unclear. The aim of this study was to investigate radiographic changes in sagittal spinopelvic alignment and clinical outcomes at the 2-year and 5-year follow-ups after minimally invasive lumbar decompression surgery.

METHODS
The authors retrospectively studied the medical records of 110 patients who underwent bilateral decompression via a unilateral approach for lumbar spinal stenosis. Japanese Orthopaedic Association (JOA) and visual analog scale (VAS) scores for low-back pain (LBP), leg pain, leg numbness, and spinopelvic parameters were evaluated before surgery and at the 2-year and 5-year follow-ups. Sagittal malalignment was defined as a sagittal vertical axis (SVA) ≥ 50 mm.

RESULTS
Compared with baseline, lumbar lordosis significantly increased after decompression surgery at the 2-year (30.2° vs 38.5°, respectively; p < 0.001) and 5-year (30.2° vs 35.7°, respectively; p < 0.001) follow-ups. SVA significantly decreased at the 2-year follow-up compared with baseline (36.1 mm vs 51.5 mm, respectively; p < 0.001). However, there was no difference in SVA at the 5-year follow-up compared with baseline (50.6 mm vs 51.5 mm, respectively; p = 0.812). At the 5-year follow-up, 82.5% of patients with preoperative normal alignment maintained normal alignment, whereas 42.6% of patients with preoperative malalignment developed normal alignment. Preoperative sagittal malalignment was associated with the VAS score for LBP at baseline and 2-year and 5-year follow-ups and the JOA score at the 5-year follow-up. Postoperative sagittal malalignment was associated with the VAS score for LBP at the 2-year and 5-year follow-ups and the VAS score for leg pain at the 5-year follow-up. There was a trend toward deterioration in clinical outcomes in patients with persistent postural malalignment compared with other patients.

CONCLUSIONS
After minimally invasive surgery, spinal sagittal malalignment can convert to normal alignment at both short-term and long-term follow-ups. Sagittal malalignment has a negative impact on the VAS score for LBP and a weakly negative impact on the JOA score after decompression surgery.