bluuebunny/crossref_metadata_2025 huggingface dataset:
Upaya Peningkatan Pembelajaran Keterampilan dan Penguasaan Teknik Dasar Atletik, Lari Cepat/ Sprint Melalui Sirkuit Run 20 Meter Tukar Tempat, pada Peserta Didik Kelas : IX D Mts Negeri Model Sorong Tahun 2017-2018.
Authors: Ansori Ansori
Published: September 2019

Penelitian yang dilakukan merupakan penelitian tindakan kelas yang terdiri dari dua siklus. Teknik analisis yang dilakukan adalah kuantitatif- kualitatif. Data kemampuan peserta didik didapat dari hasil tes keterampilan dan penguasaan peserta didik dan guru didapat dari hasil observasi. Sebagai sumber data adalah kelas IX- D semester 2 Sorong tahun pelajaran 2017-2018 dengan peserta didik sebanyak 26 orang. Pada siklus 1, pertemuan satu kali (1) dengan menggunakan langkah- langkah pembelajaran dalam strategi pembelajaran komando dan pada siklus II, pertemuan satu kali (1), langkah- langkah pembelajaran yang digunakan adalah melalui strategi pembelajaran Sirkuit Run 20 Meter Tukar Tempat. Hasil penelitian menunjukkan bahwa strategi pembelajaran melalui Sirkuit Run 20 Meter Tukar Tempat, dapat meningkatkan keterampilan dan penguasaan teknik dasar, dapat memecahakan masalah Penjasorkes pada materi Lari cepat/ Sprint di kelas IX- D MTs. Negeri Sorong. Pada siklus 1 ketuntasan kelas secara klasikal adalah 66,7% meningkat menjadi 85% pada siklus 2. Sedangkan secara individu, dari 24 peserta didik, terdapat 2 peserta didik yang belum mencapai nilai minimal 75, tetapi mereka sudah mengalami peningkatan nilai. Untuk kelima peserta didik ini diberikan pembelajaran remedial yang dilaksanakan setelah penelitian ini.
Peningkatan Membaca Permulaan Melalui Media Flash Card pada Siswa Kelas Rendah Sekolah Dasar
Authors: Kumullah Rahmah , Yulianto Ahmad , Ida Ida
Published: September 2019

Penelitian ini bertujuan untuk meningkatkan proses dan keterampilan membaca permulaan melalui penggunaan media flash card pada siswa kelas I SD Inpres Paccerakkang Kota Makassar. Jenis penelitian ini merupakan penelitian Penelitian Tindakan Kelas (PTK). Subjek penelitian ini adalah siswa kelas I SD Inpres Paccerakkang sebanyak 29 siswa. Objek penelitian adalah peningkatan keterampilan membaca permulaan. Penelitian ini dilakukan dalam dua siklus dengan setiap siklus terdiri dari dua pertemuan. Teknik pengumpulan data menggunakan observasi dan tes unjuk kerja keterampilan membaca permulaan. Instrumen penelitian yang digunakan adalah lembar observasi rating scale dan soal tes unjuk kerja. Teknik analisis data menggunakan analisis deskriptif kuantitatif dan deskriptif kualitatif. Hasil penelitian menunjukkan bahwa keterampilan membaca permulaan melalui penggunaan media flash card pada siswa kelas I SD Inpres Paccerakkang mengalami peningkatan dengan baik. Hal ini terbukti dari pencapaian rerata pada pratindakan persentasenya sebesar 41,38%, pada siklus I meningkat menjadi 58,62% dan pada siklus II menjadi 82,76%. Hasil observasi aktivitas siswa juga mengalami peningkatan. Pada siklus I sebesar 59,38% meningkat menjadi 84,37% pada siklus II. Peningkatan keterampilan membaca permulaan dapat dilihat dari peningkatan rata-rata skor aspek ketepatan, lafal, intonasi, kelancaran dan kejelasan suara. Langkah-langkah penelitian dalam meningkatkan keterampilan membaca permulaan menggunakan media flash card.
KMT-2018-BLG-1990Lb: A Nearby Jovian Planet From A Low-cadence Microlensing Field
Authors: Ryu Yoon-Hyun , Hwang Kyu-Ha , Gould Andrew , Albrow Michael D. , Chung Sun-Ju , Han Cheongho , Jung Youn Kil , Shin In-Gu , Shvartzvald Yossi , Yee Jennifer C. , Zang Weicheng , Cha Sang-Mok , Kim Dong-Jin , Kim Hyoun-Woo , Kim Seung-Lee , Lee Chung-Uk , Lee Dong-Joo , Lee Yongseok , Park Byeong-Gon , Pogge Richard W.
Published: September 2019

We report the discovery of KMT-2018-BLG-1990Lb, a Jovian planet

orbiting a late M dwarf

at a distance of

, and projected at 2.6 ± 0.6 times the snow line distance, i.e.,

. This is the second Jovian planet discovered by the Korea Microlensing Telescope Network (KMTNet) in its low-cadence (0.4 hr−1) fields, demonstrating that this population can be probed based on relatively low-cadence survey-only microlensing data. However, while many Jovian-planet microlensing events will not have caustic crossings (e.g., the previous case, KMT-2016-BLG-1397) and some that do will be well characterized by low-cadence survey observations (e.g., the current case), in general higher-cadence follow-up observations of the caustic crossings are preferable. Such follow-up observations require microlensing alerts, which KMTNet now provides.
NICER Observes a Secondary Peak in the Decay of a Thermonuclear Burst from 4U 1608–52
Authors: Jaisawal Gaurava K. , Chenevez Jérôme , Bult Peter , in’t Zand Jean J. M. , Galloway Duncan K. , Strohmayer Tod E. , Güver Tolga , Adkins Phillip , Altamirano Diego , Arzoumanian Zaven , Chakrabarty Deepto , Coopersmith Jonathan , Gendreau Keith C. , Guillot Sebastien , Keek Laurens , Ludlam Renee M. , Malacaria Christian
Published: September 2019

We report for the first time below 1.5 keV, the detection of a secondary peak in an Eddington-limited thermonuclear X-ray burst observed by the Neutron Star Interior Composition Explorer (NICER) from the low-mass X-ray binary 4U 1608–52. Our time-resolved spectroscopy of the burst is consistent with a model consisting of a varying-temperature blackbody, and an evolving persistent flux contribution, likely attributed to the accretion process. The dip in the burst intensity before the secondary peak is also visible in the bolometric flux. Prior to the dip, the blackbody temperature reached a maximum of ≈3 keV. Our analysis suggests that the dip and secondary peak are not related to photospheric expansion, varying circumstellar absorption, or scattering. Instead, we discuss the observation in the context of hydrodynamical instabilities, thermonuclear flame spreading models, and reburning in the cooling tail of the burst.
Antiviral Activity of 4-Oxoquinoline-3 - Carboxamide Derivatives against Bovine Herpesvirus Type 5
Authors: Pinto Ana Maria V , Leite José Paulo G , Marinho Robson SS , da SM Forezi Luana , Batalha Pedro N , da CS Boechat Fernanda , Cunha Anna C , Silva David O , Gama Ivson L , Faro Letícia V , de Souza Maria CBV , Paixão Izabel Christina P
Published: September 2019

Background

Bovine herpesvirus type 5 is an important agent of meningoencephalitis in cattle and has been identified in outbreaks of bovine neurological disease in several Brazilian states. In recent years, oxoquinoline derivatives have become an important focus in antiviral drug research.

Methods

The cytotoxicity and anti BoHV-5RJ42/01 activity of a set of synthetic 4-oxoquinoline derivatives 4a-k were assayed on Madin–Darby Bovine Kidney cell and antiviral activity by plaque reduction assay. Results: The most promising substance (4h) exhibited CC50 and EC50 values of 1,239 μM ±5.5 and 6.0 μM ±1.5, respectively, with an SI =206. Two other compounds 4j (CC50 = 35 μM ±2 and EC50 = 24 μM ±7.0) and 4k (CC50= 55 μM ±2 and EC50 = 24 μM ±5.1) presented similar inhibitory profile and selectivity indexes of 1.4 and 2.9, respectively. The results of the time-of-addition studies revealed expressive reduction of virus production (≥80%) in different stages of virus replication cycle except for compound 4h that slightly inhibited virus yield in the first 2 h post infection, but it showed expressive virus inhibition after this time.

Conclusions

All three compounds slightly interact with the virus on the virucidal assay and they are not able to block virus attachment and penetration. Antiviral effect of oxoquinoline 4h was more prominent than acyclovir which leads us to suggest compound 4h as a promising molecule for further anti-BoHV-5 drug design.
Boosted Darunavir and Dolutegravir Dual Therapy among a Cohort of Highly Treatment-Experienced Individuals
Authors: Hawkins Kellie L , Montague Brian T , Rowan Sarah E , Beum Robby , McLees Margaret P , Johnson Steven , Gardner Edward M
Published: September 2019

Background

The use of dual antiretroviral therapy (ART) regimens for treatment of HIV is increasing. The contemporary combination of boosted darunavir with dolutegravir has not been widely studied.

Methods

This was a retrospective cohort study that evaluated treatment-experienced individuals within three large urban clinics prescribed boosted darunavir with dolutegravir (study regimen) dual therapy. Follow-up was defined as the number of days from regimen initiation until the last HIV RNA determination on the study regimen. Virological outcomes, HIV RNA ≤50 copies/ml (undetectable), were assessed overall and by baseline HIV RNA status.

Results

Of 65 individuals included, 83% were at least 3-class antiretroviral-experienced and median time since starting ART was 19 years (IQR 13–22). Median follow-up was 419 days (IQR 286–744). An undetectable HIV RNA was achieved by 62/65 (95%) individuals at any time point on the study regimen. At the end of follow-up 61/65 (94%) individuals remained undetectable, including 48/49 (98%) with an undetectable HIV RNA at baseline (those changing for optimization) and 13/16 (81%) with viraemia at baseline (those changing therapy during virological failure). At the end of follow-up, 55 (85%) individuals were still taking the study regimen. No individuals stopped therapy due to virological failure or intolerance.

Conclusions

In a highly treatment-experienced cohort, boosted darunavir with dolutegravir dual therapy demonstrated high rates of virological success, even in those with detectable HIV RNA prior to initiating the study regimen. Further study of this potent, simple, high-barrier dual-class regimen is warranted.
New evidence for the presence of the telomere motif (TTAGG) n in the family Reduviidae and its absence in the families Nabidae and Miridae (Hemiptera, Cimicomorpha)
Authors: Grozeva Snejana , Anokhin Boris A. , Simov Nikolay , Kuznetsova Valentina G.
Published: September 2019

Male karyotype and meiosis in four true bug species belonging to the families Reduviidae, Nabidae, and Miridae (Cimicomorpha) were studied for the first time using Giemsa staining and FISH with 18S ribosomal DNA and telomeric (TTAGG)n probes. We found that Rhynocoris punctiventris (Herrich-Schäffer, 1846) and R. iracundus (Poda, 1761) (Reduviidae: Harpactorinae) had 2n = 28 (24 + X1X2X3Y), whereas Nabis sareptanus Dohrn, 1862 (Nabidae) and Horistus orientalis (Gmelin, 1790) (Miridae) had 2n = 34 (32 + XY) and 2n = 32 (30 + XY), respectively. FISH for 18S rDNA revealed hybridization signals on a sex chromosome, the X or the Y, in H. orientalis, on both X and Y chromosomes in N. sareptanus, and on two of the four sex chromosomes, Y and one of the Xs, in both species of Rhynocoris Hahn, 1834. The results of FISH with telomeric probes support with confidence the absence of the “insect” telomere motif (TTAGG)n in the families Nabidae and Miridae and its presence in both species of genus Rhynocoris of the Reduviidae, considered as a basal family of Cimicomorpha. Increasing evidence reinforces the hypothesis of the loss of the canonical “insect” telomere motif (TTAGG)n by at least four cimicomorphan families, Nabidae, Miridae, Tingidae, and Cimicidae, for which data are currently available.
Clitopilus lampangensis (Agaricales, Entolomataceae), a new species from northern Thailand
Authors: Kumla Jaturong , Suwannarach Nakarin , Sungpalee Witchaphart , Sri-Ngernyuang Kriangsak , Lumyong Saisamorn
Published: September 2019

A new species of agaricomycetes, Clitopilus lampangensis, is described based on collections from northern Thailand. This species was distinguished from previously described Clitopilus species by its pale yellow to grayish yellow pileus with the presence of wider caulocystidia. Molecular phylogenetic analyses, based on the data of the internal transcribed spacers (ITS) and the large subunit (LSU) of the nuclear ribosomal DNA, and the second largest subunit of RNA polymerase II (rbp2) genes, also support the finding that C. lampangensis is distinct from other species within the genus Clitopilus. A full description, color photographs, illustrations and a phylogenetic tree showing the position of C. lampangensis are provided.
How Destructive Is Innovation?
Authors: Garcia-Macia Daniel , Hsieh Chang-Tai , Klenow Peter J.
Published: September 2019

Entrants and incumbents can create new products and displace the products of competitors. Incumbents can also improve their existing products. How much of aggregate productivity growth occurs through each of these channels? Using data from the U.S. Longitudinal Business Database on all nonfarm private businesses from 1983 to 2013, we arrive at three main conclusions: First, most growth appears to come from incumbents. We infer this from the modest employment share of entering firms (defined as those less than 5 years old). Second, most growth seems to occur through improvements of existing varieties rather than creation of brand new varieties. Third, own‐product improvements by incumbents appear to be more important than creative destruction. We infer this because the distribution of job creation and destruction has thinner tails than implied by a model with a dominant role for creative destruction.
Maximality in the Farsighted Stable Set
Authors: Ray Debraj , Vohra Rajiv
Published: September 2019

Harsanyi (1974) and Ray and Vohra (2015) extended the stable set of von Neumann and Morgenstern to impose farsighted credibility on coalitional deviations. But the resulting farsighted stable set suffers from a conceptual drawback: while coalitional moves improve on existing outcomes, coalitions might do
even better by moving elsewhere. Or other coalitions might intervene to impose their favored moves. We show that every farsighted stable set satisfying some reasonable and easily verifiable properties is unaffected by the imposition of these stringent maximality constraints. The properties we describe are satisfied by many, but not all, farsighted stable sets.
Practicing Holistic Health and Self-Care Throughout the Dissertation Journey
Authors: Johnson-Arnold Letitia P.
Published: September 2019

This chapter discusses the significance of holistic health and self-care practices throughout the dissertation journey and explores how health outcomes may impact academic success, longevity, and persistence of students in a doctoral program. The author examines graduate students' health behaviors and uses a six-dimensional model of wellness to explain how dimensions interconnect and influence health outcomes. The chapter provides the readers with reflection prompts and resources to evaluate wellness dimensions and develop a self-care action plan to adopt strategies that support holistic health. The chapter also presents a case study to illustrate the personal journey of a doctoral student navigating the first half-marathon of the dissertation journey while reflecting on ways to improve or maintain holistic health and practice good self-care. The personal experiences this work shares provide valuable insight into successes and potential obstacles students may encounter and highlight strategies that may be implemented to overcome challenges.
Responding to Critical Feedback by Challenging Pessimistic Attributions
Authors: Zimmerman Aaron Samuel , Millett Stephanie , Nguyen Chau H. P. , Nguyen Ngan T. T. , Nguyen The , Sneed Stacey , Wairungu Joseph Mbogo
Published: September 2019

During the dissertation journey, graduate students must expect to receive critical feedback. And, yet, in order for this critical feedback to be productive, graduate students must be able to perceive this feedback as helpful rather than as discouraging. This chapter explores the interpretation of critical feedback through the cognitive framework of attributional style. This chapter presents six anecdotes and six reflections as recounted by six graduate students. By presenting these authentic examples, this chapter demonstrates how reflecting on attributional style can assist graduate students in reappraising the critical feedback they receive throughout their dissertation journey.
Developing a Doctoral Identity
Authors: Fraenza Christy B. , Palermo-Kielb Kimberly
Published: September 2019

To complete a doctoral program, students must develop the skills and knowledge of their field of study as well as a doctoral identity. However, there are many factors that can impede a student's ability to develop this identity, including the imposter phenomenon, connectedness, and self-efficacy. As researchers have shown, online doctoral students may face additional challenges as they can experience barriers when trying to interact with peers and faculty formally and informally. This reduced interaction can limit the opportunities that researchers have shown can facilitate doctoral identity development, such as participating in research projects. The purpose of this chapter is to share specific strategies that students, faculty, and institutions can use to support the doctoral identity development of online students.
Showcasing Dreams, Desires, Vision, Whimsy, Illusion, and Anxious Uncertainty
Authors: Crawford Caroline M. , Moffett Noran L.
Published: September 2019

Personalized journeys that reflect the development of deep-seated perseverance and determination characteristics evolve from stresses and traumatic events that may be short-term or longer-term from past experiences, yet still can impact the doctoral candidate's progression through the dissertation journey. A sensitivity towards one's own psychological balance during highly stressful and destabilized beliefs around one's self-efficacy are impactful during the dissertation, potentially subverting and undermining a doctoral candidate's ability to maintain a balanced psychological approach towards anxiety-riddled and stress-inducing cognitive dissonance and engagement. Discussions around the ability to support doctoral candidates during the dissertation journey are highlighted, including perseverance and determination characteristic strengths, weaknesses, and areas of potential growth areas of engaged development, upon the doctoral candidate's personality.
Developing and Managing Health Systems and Organizations for an Aging Society
Authors: Ramos Ana Filipa , Fonseca César , Henriques Adriana
Published: September 2019

With the worldwide trend towards aging and increasing numbers of chronic diseases, the promotion of self-care as a central issue in public health is a necessity. Recently, several international entities recommend that the nursing profession rethink its focus of intervention and maximize the relevance attributed to fundamental and long-term care. The implementation of fundamental care has been associated with improved of health service security, reduced mortality rate, and hospital readmission. At the same time, for an appropriate response of the health system, it is crucial to know the care needs of people aged 65 and over, which can be met by the analysis of electronic health records.
Problems Faced by Consumers in E-Commerce Transactions With Special Emphasis on Digital Economy in India and the European Union
Authors: Gulzar Unanza
Published: September 2019

The chapter critically analyzes the defies consumer faces in e-commerce transaction like jurisdictional issues, privacy, and other issues. It also focuses on the EU directives and position of India with reference to e-commerce. Further, it highlights the nature of problems and challenges consumers face while making digital purchases, the need for more transparency and disclosure on the part of traders, and how the EU directives and Indian Consumer Protection Bill 2018 can play an important role in protecting the consumers. Moreover, the chapter highlights the regulatory mechanism of both EU and India and makes a comparative analysis of two. The chapter also deals with new changes made in India like e-commerce draft policy 2018. Last but not the least, to give an outline of consumer inclinations, opinions are expressed in order to present an overall picture of existing situations from the consumer perspective.
Mobile Fashion C2C Apps
Authors: Aguilar-Illescas Rocío , Anaya-Sanchez Rafael , Alvarez-Frias Virginia , Molinillo Sebastian
Published: September 2019

Consumers increasingly prefer to use mobile phones to surf the internet and make purchases. Mobile applications are also being more used in the area of trade between consumers. This study seeks to understand how satisfaction is generated in the context of consumer-to-consumer (C2C) commerce via mobile applications for buying and selling second-hand fashion products (e.g., clothing, accessories). The research model was empirically evaluated using data collected by an online survey and analysed through partial least square structural equation modelling (PLS-SEM). The results show that trust, perceived usefulness and mobility have significant and positive impacts on consumer satisfaction with C2C mobile applications in fashion sales. Conversely, factors such as security, privacy and enjoyment do not have significant influence.
Mobile Travel Apps and Generation Y in Malaysia
Authors: Iskandar Yulita Hanum P. , Sia Phoebe Yueng Hee
Published: September 2019

Modern travelers prefer an easy and enjoyable experience upon travelling. According to several surveys, over 25% of respondents have installed mobile travel apps on their smartphone. Basically, the travel app is used to search and book flights or accommodation, while download and install the app is mainly to receive notification on the updated trip status and also for accessing app offline. Therefore, it's essential for tourism organization to emphasize on traveler preferences and new innovated technology could offer for competitive advantages in tourism industry. Generation Y grew up with technology and it constitutes 44% of population in Malaysia. Therefore, this research is focus on Generation Y in Malaysia, based on the UTAUT2 (Consumer Acceptance and Use of Information Technology) model to explore and predict the factors influencing the intention to use mobile travel apps. A total of 245 questionnaires were distributed to all states in Malaysia. Quantitative data were analyzed using IBM SPSS 22.0 and Smart PLS 3.0 software. The results findings show that performance expectancy has the highest significant relationship on behavioral to use mobile travel apps. It was followed by facilitating conditions and habit. Factors of effort expectancy, social influence, hedonic motivation and price value don't have much effect on individual's behavioral intention to use mobile travel apps. The theoretical, managerial and practical implications of these results are discussed.
Introduction of Blockchain and Usage of Blockchain in Internet of Things
Authors: Ravi Chandrasekar , Manimaran Praveensankar
Published: September 2019

Since the advent of the web, the number of users who started using the internet for everyday purpose has increased tremendously. Most of the common purposes are to access their data whenever they want and wherever they want. So many companies have started providing these services to normal users. These companies store huge volume of data in the data centers. So protecting the integrity of the data is the main responsibility of these companies. Blockchain is one of the trending solutions that gives storage immutability to the users. This chapter starts with the working of blockchain and smart contracts and advantages and disadvantages of blockchain and smart contracts and then goes on to explain how blockchain can be integrated into the internet of things (IOT). This chapter ends with an architecture based on the proof-of-concept for access management, which is blockchain-based fully distributed architecture.
Impact of Bitcoin on the World Economy
Authors: Patel Harshita , Burla Sadhana , Manjula Josephine B.
Published: September 2019

Bitcoin has brought a revolution in digital market. Bitcoin doesn't follow any supervisory body or central authority to control it. Unlike any country's currency, it is not supervised by a government. It flows on networks and is managed by decentralized actors. Like any other innovation, bitcoin also has pros and cons associated with it. In this chapter, the authors discuss all the opportunities and challenges related to bitcoin and its impact on the world economy.
Seeing Beyond the Screen
Authors: Aguilera Earl , Stewart Olivia G. , Mawasi Areej , Cortés Luis E. Pérez
Published: September 2019

This chapter outlines a multidimensional framework for theorizing digital-age literacies—one which considers the content, procedural, and contextual dimensions of literacy practices enacted through and around digital technologies. The authors then provide an overview of three empirical studies that illustrate the application of this framework to understand the integration of digital technologies and literacy pedagogies. The authors offer their experiences as classroom teachers, teacher-educators, learning scientists, and literacy specialists working to understand and support the literacy and language practices of learners in the 21st century. The goal of the chapter is to illustrate the value of shifting conversations about digital technologies away from notions of moral panic and techno-idealism, and instead toward a renewed focus on technology-mediated social practices that shape what it means to be and become literate in contemporary society.
Theoretical and Practical Concerns Regarding Digital Texts in Literacy Instruction
Authors: Smith Lourdes H , Zygouris-Coe Vassiliki I.
Published: September 2019

The role of literacy and learning is easily incorporated into many areas of using technology in the classroom. The purpose of this book chapter is to share results from a research study that provides a framework for teachers to develop their knowledge about open educational resources (OERs) as digital texts for developing students' disciplinary and literacy knowledge. Specifically addressed is how participants expressed their knowledge and understanding about using OERs to support their students' online reading comprehension skills (i.e., questioning, locating, evaluating, synthesizing, and communicating), along with recommendations for preparing students to become 21st century literate.
Digital Storytelling and Young Children
Authors: Lantz Jessica Lynn , Myers Joy , Wilson Reece
Published: September 2019

Using Puentedura's framework for transformative use of technology for learning, and the guidelines for developmentally appropriate practice, practitioner vignettes, and practical strategies highlight the possibilities for integrating digital storytelling activities in the PK-3 classroom in support of literacy learning. The chapter explores ways in which digital storytelling can be a transformational way for young children to develop an array of literacy skills. The vignettes share examples of teachers integrating digital storytelling activities in transformative ways to enhance children's learning. The chapter provides suggestions for lesson ideas and digital tools for engaging young children in a variety of storytelling projects.
High Performance Concrete (HPC) Compressive Strength Prediction With Advanced Machine Learning Methods
Authors: Yucel Melda , Namlı Ersin
Published: September 2019

In this chapter, prediction applications of concrete compressive strength values were realized via generation of various hybrid models, which are based on decision trees as main prediction method, by using different artificial intelligence and machine learning techniques. In respect to this aim, a literature research was presented. Used machine learning methods were explained together with their developments and structural features. Various applications were performed to predict concrete compressive strength, and then feature selection was applied to prediction model in order to determine primarily important parameters for compressive strength prediction model. Success of both models was evaluated with respect to correct and precision prediction of values with different error metrics and calculations.
The Use of Twitter During the 2013 Protests in Brazil
Authors: Fernandes dos Santos Nina
Published: September 2019

2013 was an important year for the Brazilian political life, as citizens took to the streets against the increase of public transport fare. The demonstrations revealed a widespread dissatisfaction with the Brazilian political system and the traditional media did not escape the criticisms. This chapter focuses on how discourses about mainstream media were articulated on Twitter during Brazilian protests. Our corpus has 6,580 tweets that directly mention 12 Brazilian mainstream media. The goal was to understand how these discourses were translated into the practice of using Twitter in this specific context which mixes the possibility of participation and expression in a digital and social environment and the context of protest. Results show that at the same time that the major media continue to be important elements guiding the political discussion in social networks, the speeches towards them are extremely critical. Although Globo is the main target, the tone is almost homogeneous between different media, which shows a general mistrust towards the communication system.
Rise and Fall of Digital Activism in Mexico From 2000-2019
Authors: Sandoval-Almazan Rodrigo
Published: September 2019

Political activism is more alive than ever. After the scandal of Facebook and Cambridge Analytica, online social media platforms restricted the distribution of content to privacy laws. But populism disruption in many countries fosters political discontent. Online protests and everyday claims are rising. Add to this context environmental problems and an absence of an ideological framework. All these conditions foster the use of digital activism. But this field of research has studied single cases, losing connections with societies and history. The aim of this chapter is to explain the evolution of digital activism in a long period of time. To achieve such purpose, the author analyzes 11 Mexican events that took place from 2000 to 2019 and provide a classification framework to understand how digital activism transforms over time.
International Business Valuation Standards
Authors: Almeant Saad Salman Awad
Published: September 2019

Despite the existence of International Valuation Standards (IVS) and Financial Reporting Standards (IFRS), countries that have transferred to adopting IFRS face the large challenge of the difference in interpretation and application of the standards. Because they include various concepts, bases, and approaches for valuation and measurement, and although there are common objectives for each of the International Valuation Standards Council (IVSC) and International Accounting Standards Board(IASB), each works independently and has their own objectives and different target groups. Thus, more improvements are needed to consistently apply valuation and financial reporting standards. This chapter compares and converges the concepts, bases, and approaches adopted by the IVSC and the IASB to increase consistency in valuation practices for financial reporting purposes and to create bridges between accountants and auditors and professional valuers.
Optimal Capital Structure for Maximizing the Firm Value
Authors: Bilgin Rumeysa
Published: September 2019

Capital structure decisions of management affect the value of a firm. This fact leads to the creation of an extremely rich capital structure literature over the last 60 years. This chapter explains main theories of capital structure and discusses the concept of target leverage which maximizes the firm value. The roles of tax payments, profitability, firm size, asset tangibility, growth opportunities, income volatility, and non-debt tax shields are examined as determinants of capital structure. The current status of capital structure research and some important empirical issues are discussed. Considerations for future research are presented.
Valuation Challenges in Stranded Asset Scenarios
Authors: Olatubosun Posi , Derindere Köseoğlu Sinem
Published: September 2019

This chapter investigates the challenges faced by sell-side analysts in engaging with companies with material stranded assets through the lens of Becksian risk society theory. The research unravels the usefulness of sustainability reports in deriving the intrinsic value of energy companies in the UK, and whether they take Environmental Social and Governance (ESG) factors into consideration in doing so. Qualitative data were collected via dual methods comprising longitudinal participant observation at IR meetings and interview of sell-side analysts and institutional shareholder. Findings indicate dissatisfaction with the existing risk reporting system is a key factor in divestment decisions and asset stranding. The growing Responsible Investment (RI) awareness notwithstanding, the inadequate risk reporting system continues to represent a major source of agitation amongst shareholders and analysts, making the overhaul of the current financial reporting system inevitable.
The Valuation of a Firm With Alternative Projects
Authors: Berk Cem , Dilmen Mustafa
Published: September 2019

The value of a firm is equal to the value of all projects in its assets. Investment decision is taken based on expected costs, knowledge of techniques, and risk perception; all of which are parameters of firm valuation. The research in this chapter is based on a real company in the household appliance industry. The company has a factory storage in Istanbul, Turkey. Two alterative heating projects (infrared and natural gas) are developed for the storage space according to project characteristics and heating requirements. The initial investments and operating costs are determined by market prices. According to the results, electric infrared heating is most of the time more favorable when the ceiling is high. An investment decision specifically for the factory storage is made. A discussion section on results is also available. Heating and cooling is a strategic industry for European Commission. The research can guide academicians and practitioners in this field.
The Importance of Retail Atmosphere in Online and Offline Environments
Authors: Renko Sanda , Štulec Ivana , Petljak Kristina
Published: September 2019

Retailers have found it increasingly difficult to create a differential advantage based on the traditional marketing mix. This chapter sheds light on the increasing role of atmosphere as a tool for keeping retailers favourable in the mind of consumers. As retailers no longer just use the place to do business in the form of physical structures but also the intangible virtual store, this chapter presents the main dimensions of the retail atmosphere in both conventional retail stores and their electronic counterparts. Store attributes are equally important for consumers when making a purchase decision both online and offline. Study results suggest Croatian consumers are very task-oriented and question retailers' decisions in creating the appropriate mix of environmental factors that may influence customers' patronage decisions.
Are Retailers' Perceptions of Their Innovativeness and Technology Similar to Those of Consumers?
Authors: Ruiz-Molina Maria-Eugenia , Gil-Saura Irene , Berenguer-Contrí Gloria
Published: September 2019

This chapter explores the relationship between retail innovativeness and the level of technological advancement as well as the ICT solutions implemented by store chains of four retail activities – e.g. grocery, textile, electronics, and furniture and decoration. Innovation may become a source of sustainable competitive advantage in the highly competitive environments where retailers have to operate. In this chapter, retailers and consumers' perceptions are compared in order to assess if retailers' expectations of their efforts in innovation and ICT investment match with consumer perceptions about these decisions. Evidence exists of significant differences in consumer perceptions and behavioral intentions. As a result, differences in consumer behaviour are found between high and low innovators that may be explained by the strong relationship between retail innovativeness and the technology implemented by the store. Notwithstanding, these findings are sensitive to the type of product sold by the store.
Actor Engagement in Service Ecosystems
Authors: Sebastiani Roberta , Montagnini Francesca
Published: September 2019

The actor engagement concept highlights the reciprocal, social, and collective nature of engagement, aimed at enhancing value co-creation processes in service ecosystems. This chapter explores the evolution of the service ecosystem in retailing contexts, with the development of new retail formulas derived from the effective interaction between corporate stances and engaged actors, in particular customers, social movements, and suppliers. In the analysis, the authors focus on two interlinked cases: Eataly, a new venture that emerged from a mutual organizational commitment between corporate power and the Slow Food social movement; FICO-Eataly World, the subsequent evolution of Eataly, which derived from the reshaping of the service ecosystem due to increasing supplier engagement in the retail format. Eataly and FICO represent interesting settings to better understand how forms of resource integration can occur, how and to what extent the community and corporate stances mutually adjust during the value co-creation process, and how a service ecosystem can evolve as a result of actor engagement.
Perception of Prospective Teachers on Academic Integrity
Authors: Devika S.  , Sheela P.
Published: September 2019

This chapter examines the levels of academic integrity of prospective teachers and determines any significant differences in their mean scores of academic integrity with respect to background variables, gender, locale, academic stream, and type of family. Normative Survey Method is used to study 400 prospective teachers from Kanyakumari district, Tamil Nadu, India. Results reveal the teachers have a moderate level of academic integrity and gender, locale of the school, and type of family influence their academic integrity.
Driving Behavior Evaluation Model Base on Big Data From Internet of Vehicles
Authors: Hao Ruru , Yang Hangzheng , Zhou Zhou
Published: September 2019

This article attempts to evaluate whether a driving behavior is fuel-efficient. To solve this problem, a driving behavior evaluation model was proposed in this article. First, the operating data and fuel consumption data of five trucks were obtained from the vehicle networking system. Four characteristic parameters, which are closely related to fuel consumption, were extracted from 19 sets of vehicle operating data. Then, K-means clustering combined with DBSCAN was adopted to cluster the four characteristic parameters into different driving behaviors. Three types of driving behavior were labeled respectively as low, medium and high fuel consumption driving behavior after clustering analysis. The clustering accuracy rate reached 79.7%. Finally, a fuel consumption-oriented driving behavior evaluation model was established. The model was trained with the labeled samples. The trained model can evaluate the driving behavior online and gives an evaluation of whether the driving behavior is fuel-efficient. The test results show that the prediction accuracy rate of the proposed model can reach to 77.13%.
Multi-Objective Materialized View Selection Using Improved Strength Pareto Evolutionary Algorithm
Authors: Prakash Jay , Kumar T. V. Vijay
Published: September 2019

A data warehouse system uses materialized views extensively in order to speedily tackle analytical queries. Considering that all possible views cannot be materialized due to maintenance cost and storage constraints, the selection of an appropriate set of views to materialize that achieve an optimal trade-off among query response time, maintenance cost, and the storage constraint becomes an essential necessity. The selection of such an appropriate set of views for materialization is referred to as the materialized views selection problem, which is an NP-Complete problem. In the last two decades, several new selection approaches, based on heuristics, have been proposed. Most of these have used a single objective or weighted sum approach to address the various constraints. In this article, an attempt has been made to address the bi-objective materialized view selection problem, where the objective is to minimize the view evaluation cost of materialized views and the view evaluation cost of the non-materialized views, using the Improved Strength Pareto Evolutionary Algorithm. The experimental results show that the proposed multi-objective view selection algorithm is able to select the Top-K views that achieves a reasonable trade-off between the two objectives. Materializing these selected views would reduce the query response times for analytical queries and thereby facilitates the decision-making process.
Intelligent System for Credit Risk Management in Financial Institutions
Authors: Sarfo-Manu Philip , Siaw Gifty , Appiahene Peter
Published: September 2019

Credit crunch is an alarming challenge facing financial institutions in Ghana due to their inability to manage credit risk. Failure to manage credit risk may lead to customers defaulting and institutions becoming bankrupt, making it a major concern for financial institutions and the government. The assessment and evaluation of loan applications based on a loan officer's subjective assessment and human judgment is inefficient, inconsistent, non-uniform, and time consuming. Therefore, a knowledge discovery tool is required to help in decision making regarding the approval of loan application. The aim of this project is to develop an intelligent system based on a decision tree model to manage credit risk. Data was obtained from the bank loan histories. The data is comprised of four hundred observations with seven variables: client age, amount requested, dependents, collateral value, employment sector, employment type, and results. The results of study suggest that the proposed system can be used to predict client eligibility for loans with an accuracy rate of 70%.
Challenges of Evening Educational Program for Working Children and Young People
Authors: Mohammed Akalewold Fedilu , Belay Degwale Gebeyehu
Published: September 2019

This article reports the findings from a study aimed at assessing the challenges of evening educational programs for working children and young people. A descriptive research design and mixed research approach were employed. The design helped to obtain information concerning the current status of the phenomena and to describe “what exists” with respect to conditions in a situation. A total of 367 students participated in the study. The findings of the study revealed that majority of the evening students are females. There are ongoing access issues for disadvantaged children and young people who cannot attend school on a regular basis, despite the provision of evening educational programs. Challenges include deficits in policy framework and the adopted curriculum, political drivers, teacher motivation, and facilities. Due to a lack of time, some courses are excluded from the evening programs. As a result, children and young people who are enrolled in this program achieve low academic performance as compared to the students in the regular program.
Integrated QFD, Fuzzy Linear Regression and ZOGP
Authors: Celik Pelin , Ustasuleyman Talha
Published: September 2019

In the current, highly competitive marketplace, customer demand is a major factor in the product design process. Most firms make an effort to indicate that their products differ from the competitors' products. The purpose of this paper is to understand customers' expectations of and technical requirements for e-stores and to evaluate most popular e-stores in Turkey (i.e., ES1, ES2, ES3). In this study, the authors aim to understand the customer expectations and technical requirements by using quality function deployment (QFD). To prepare the house of quality (HoQ), the authors surveyed 20 experts who are customers who have elite membership (their expenses for these e-stores are more than regular customers and have elite cards) of the three e-stores and academicians. After creating the HoQ, the authors employ fuzzy linear regression to evaluate the relationships between customer expectations and technical requirements and among technical requirements themselves. Finally, the authors use zero-one goal programming (ZOGP) to select the most desirable e-store.
A Knowledge-Oriented Recommendation System for Machine Learning Algorithm Finding and Data Processing
Authors: Tianxing Man , Baimuratov Ildar Raisovich , Zhukova Natalia Alexandrovna
Published: September 2019

With the development of the Big Data, data analysis technology has been actively developed, and now it is used in various subject fields. More and more non-computer professional researchers use machine learning algorithms in their work. Unfortunately, datasets can be messy and knowledge cannot be directly extracted, which is why they need preprocessing. Because of the diversity of the algorithms, it is difficult for researchers to find the most suitable algorithm. Most of them choose algorithms through their intuition. The result is often unsatisfactory. Therefore, this article proposes a recommendation system for data processing. This system consists of an ontology subsystem and an estimation subsystem. Ontology technology is used to represent machine learning algorithm taxonomy, and information-theoretic based criteria are used to form recommendations. This system helps users to apply data processing algorithms without specific knowledge from the data science field.
Factors Impacting Use of Health IT Applications
Authors: Ashtari Sadaf , Bellamy Al
Published: September 2019

Nowadays, information technology tools are widely used in the healthcare industry to record and integrate medical data so as to provide complete access to patients' information for coordinated healthcare delivery. Yet, the efficacy of these technologies depends on their successful implementation for, adoption by and/or adaptation to support health professional workers such as physicians and nurses. This study addresses the impact of specific factors including result observability, autonomy, perceived barriers, task structure, privacy and security anxiety on the nurses' perception of their performance using health information technologies. Additionally, the effects of nurses' personality factors are examined as moderating factors on the relationships between the organizational factors and nurses' perception of performance. Multiple linear regression was applied to validate the proposed research model and professional autonomy, result observability, privacy and security anxiety were found to be key factors predicting the nurses' perception of performance.
Demystifying the Communication-Driven Usefulness Hypothesis
Authors: Nakayama Makoto , Leon Steven
Published: September 2019

Healthcare insurance applications are increasingly vital to and have gained popularity with consumers. Previous information systems research featured perceived ease of use and perceived usefulness as key independent variables to explain behavioural intention impacting the use of information systems. In today's environment, however, many consumers already rely on websites and mobile applications as a key means of communication with healthcare insurance providers. Examining the data from 333 survey respondents, this study reports that perceived ease of use and perceived usefulness are strongly influenced by three communication content variables (information quality, interaction ease, and provider competence). Importantly, consumers may judge applications' ease of use based on the quality of communication contents. Once applications reach some maturity, the prominence of communication quality may drive their use more significantly than before.