bluuebunny/crossref_metadata_2025 huggingface dataset:
Performance Analysis of a Bi-Objective Model for Routing with Protection in WDM Networks
Authors: Sim ̃oes Carlos , Gomes Teresa , Craveirinha Jos ́e , Cl ́ımaco Jo ̃ao
Published: April 2024

The operation of wavelength division multiplexing (WDM) networks involves not only the establishment of lightpaths, defining the sequence of optical fibres and thewavelength in each fibre for traffic flow, but also a fault management scheme in order to avoid the huge loss of data that can result from a single link failure. Dedicated path protection, which establishes two end-to-end disjoint routes between the source–destination node pair, is an effective scheme to preserve customers’ connections. This paper reviews a bicriteria model for dedicated path protection, that obtains a topological path pair of node-disjoint routes for each lightpath request in a WDM network, developed by the authors. An extensive performance analysis of the bicriteria model is then presented, comparing the performance metrics obtained with the monocriterion models using the same objective functions, in four different reference networks commonly used in literature.
A Survey of Multi-Objective Deployment in Wireless Sensor Networks
Authors: Marks Michał
Published: April 2024

The major challenge in designing wireless sensor networks (WSNs) is to find tradeoff between the desired and contrary requirements for the lifetime, coverage or cost while coping with the computation, energy and communication constraints. This paper examines the optimal placement of nodes for a WSN. It is impossible to consider the deployment of the nodes separately from WSNs applications. We highlight the properties of WSNs applications that determine the placement problem. We identify and enumerate the various objectives that should be considered. The paper provides an overview and concentrates on multi-objective strategies, their assumptions, optimization problem formulation and results.
Personal Ontologies for Knowledge Acquisition and Sharing in Collaborative PrOnto Framework
Authors: Chudzian Cezary , Sobieszek Jarosław
Published: April 2024

This paper summarizes our preliminary experiences with implementing some of the ideas lying behind the concept of creative environment. Research group at the National Institute of Telecommunications has developed a prototype framework for collaborative knowledge acquisition and sharing, called PrOnto. At the moment the artifacts we organize and share are typical sources of scientific knowledge, namely journal papers and web pages. In PrOnto we introduce two interrelated explicit levels of knowledge representation: keywords and ontological concepts. Each user of the framework maintains his own ontological profile, consisting of concepts and each concept is, in turn, by subjective user’s decision, related to a set of weighted keywords that define its meaning. Furthermore, dedicated indexing engine is responsible for objectively establishing correspondence between documents and keywords, or in other words, the measure of representativeness of the keyword to document’s content. Developing an appropriate knowledge model is a preliminary step to share it efficiently. We believe that higher level representation facilitates exploration of other people’s areas of interest. PrOnto gives an opportunity to browse knowledge artifacts from the conceptual point of view of any user registered in the system. The paper presents the ideas behind the PrOnto framework, gives an outline of its components and finalizes with a number of conclusions and proposals for futuren enhancements.
Solving Support Vector Machine with Many Examples
Authors: Białoń Paweł
Published: April 2024

Various methods of dealing with linear support vector machine (SVM) problems with a large number of examples are presented and compared. The author believes that some interesting conclusions from this critical analysis applies to many new optimization problems and indicates in which direction the science of optimization will branch in the future. This direction is driven by the automatic collection of large data to be analyzed, and is most visible in telecommunications. A stream SVM approach is proposed, in which the data substantially exceeds the available fast random access memory (RAM) due to a large number of examples. Formally, the use of RAM is constant in the number of examples (though usually it depends on the dimensionality of the examples space). It builds an inexact polynomial model of the problem. Another author’s approach is exact. It also uses a constant amount of RAM but also auxiliary disk files, that can be long but are smartly accessed. This approach bases on the cutting plane method, similarly as Joachims’ method (which, however, relies on early finishing the optimization).
Performance Analysis of Hybrid Phase Shift Keying over Generalized Nakagami Fading Channels
Authors: Youssuf Mahmoud , Abdelmageed Mohamed Z.
Published: April 2024

In addition to the benefits of hybrid phase shift keying (HPSK) modulation in reducing the peak to average power ratio of the transmitted signal to reduce the zero cross- ings and the 0◦-degree phase transmissions, HPSK enhances the bit error rate (BER) measure of the signal performance. The constellation of the HPSK is analyzed, and an expression for the conditional probability of HPSK modulation over additive white Gaussian noise (AWGN) is derived. This BER measure of HPSK is shown to outperform quadrature phase shift keying (QPSK) modulation. HPSK performance through Nakagami – m fading channel is also considered.
Robust and Accurate Iris Segmentation Algorithm for Color and Noisy Eye Images
Authors: Strzelczyk Przemysław
Published: April 2024

Efficient and robust segmentation of iris images captured in the uncontrolled environments is one of the challenges of non-cooperative iris recognition systems. We address this problem by proposing a novel iris segmentation algorithm, which is suitable both for monochrome and color eye images. The method presented use modified Hough transform to roughly localize the possible iris and pupil boundaries, approximating them by circles. A voting mechanisms is applied to select a candidate iris regions. The detailed iris boundary is approximated by the spline curve. Its shape is determined by minimizing introduced boundary energy function. The described algorithm was submitted to the NICE.I iris image segmentation contest, when it was ranked 11th and 10th out of total 97.
Image Preprocessing for Illumination Invariant Face Verification
Authors: Leszczyński Mariusz
Published: April 2024

Performance of the face verification system depend on many conditions. One of the most problematic is varying illumination condition. In this paper 14 normalization algorithms based on histogram normalization, illumination properties and the human perception theory were compared using 3 verification methods. The results obtained from the experiments showed that the illumination preprocessing methods significantly improves the verification rate and it’s a very important step in face verification system.
Speech Segmentation Algorithm Based on an Analysis of the Normalized Power Spectral Density
Authors: Pekar Dzmitry , Tsikhanenka Siarhei
Published: April 2024

This article demonstrates a new approach to speaker independent phoneme detection. The core of the algorithm is to measure the distance between normalized power spectral densities in adjacent, short-time segments and verify it based on velocity of changes of values of short-time signal energy analysis. The results of experiment analysis indicate that proposed algorithm allows revealing a phoneme structure of pronounced speech with high probability. The advantages of this algorithm are absence of any prior information on a signal or model of phonemes and speakers that allows the algorithm to be speaker independent and have a low computation complexity.
Simulation Model of Biometric Authentication Using Multiagent Approach
Authors: Kapczyński Adrian , Owczarek Tomasz
Published: April 2024

In this article authors present the concept of application of multiagent approach in modeling biometric authentication systems. After short introduction, we presenta short primer to multiagent technology. Next, we depict current state of the art related to biometrics combined with multiagent approach. In the next part of the work we present four exemplary simulation models of biometric authentication environments as well as the results of their examination.
Probabilistic Issues in Biometric Template Design
Authors: Pacut Andrzej
Published: April 2024

Since the notion of biometric template is not well defined, various concepts are used in biometrics practice. In this paper we present a systematic view on a family of template concepts based on the L1 or L2 dissimilarities. In particular, for sample vectors of independent components we find out how likely it is for the median code to be a sample vector.
Capacity and Quality Optimization of CDMA Networks
Authors: Bamisaye Ayodeji James , Kolawole Michael O.
Published: April 2024

Coverage and capacity are important issues in the planning process for cellular third generation (3G) mobile networks. The planning process aims to allow the maximum number of users sending and receiving adequate signal strength in a cell. This paper describes the conceptual expressions require for network coverage and capacity optimization analysis, examines service quality issues, and presents practical solutions to problems common to sub-optimality of CDMA networks.
Routing Misbehavior Detection in MANETs Using 2ACK
Authors: Manvi Sunilkumar S. , Bhajantri Lokesh B. , Vagga Vittalkumar K.
Published: April 2024

This paper proposes routing misbehavior detection in MANETs using 2ACK scheme. Routing protocols for MANETs are designed based on the assumption that all participating nodes are fully cooperative. However, due to the open structure and scarcely available battery-based energy, node misbehavior may exist. In the existing system, there is a possibility that when a sender chooses anintermediate link to send some message to a destination, the intermediate link may pose problems such as, the intermediate node may not forward the packets to destination, it may take very long time to send packets or it may modify the contents of the packet. In MANETs, as there is no retransmission of packets once it is sent, care must be taken not to loose packets. We have analyzed and evaluated a technique, termed 2ACK scheme to detect and mitigate the effect of such routing misbehavior in MANETs environment. It is based on a simple 2-hop acknowledgment packet that is sent back by the receiver of the next-hop link. 2ACK transmission takes place for only a fraction of data packets, but not for all. Such a selective acknowledgment is intended to reduce the additional routing overhead caused by the 2ACK scheme. Our contribution in this paper is that, we have embedded some security aspects with 2ACK to check confidentiality of the message by verifying the original hash code with the hash code generated at the destination. If 2ACK is not received within the wait time or the hash code of the message is changed then the node to next hop link of sender is declared as the misbehaving link. We simulated the routing misbehavior detection using 2ACK scheme to test the operation scheme in terms of performance parameters.
Preface
Authors: Strużak Ryszard
Published: April 2024

Preface
International Co-operation Needed to Face Information Age Challenges
Authors: Gaj Magdalena
Published: April 2024

International Co-operation Needed to Face Information Age Challenges
National Institute of Telecommunications –International Partnership: Yesterday, Todayand Tomorrow
Authors: Hałka Wojciech
Published: April 2024

National Institute of Telecommunications –International Partnership: Yesterday, Todayand Tomorrow
Comparative Study between Several Direction of Arrival Estimation Methods
Authors: Khmou Youssef , Safi Said , Frikel Miloud
Published: April 2024

In this paper a comparative study, restricted to one-dimensional stationary case, between several Direction of Arrival (DOA) estimation algorithms of narrowband signals is presented. The informative signals are corrupted by an Additive White Gaussian Noise (AWGN), to show the performance of each method by applying directly the algorithms without pre-processing techniques such as forward-backward averaging or spatial smoothing.
Evaluation of the Delay-Aware NUM-Driven Framework in an Internetwork Environment
Authors: Urbański Maciej , Poszwa Mateusz , Misiorek Paweł , Gallucci Dario
Published: April 2024

Nowadays, due to emergence of cloud services, even the basic uses of personal computers may require the access to the Internet. In this paper modifications to Delay-Aware Network Utility Maximization System (DANUMS) are presented, which enable it to be deployed in an internetwork environment. The proposed solution consists of DANUMS and WiOptiMo systems, which cooperate by exchanging measurements of transmitted traffic in order to improve the network utility. Additionally, WiOptiMo enhances mobility by providing facilities for soft handover. Experiments presented in this paper illustrate the benefits gained from the integrated system application.
Silent Calls – Causes and Measurements
Authors: Baran Kamil , Cegłowski Paweł , Kula Sławomir
Published: April 2024

The quality of telephone services is very important from either operator or subscriber point of view. One of the negative phenomenon which affects quality of telephone services is lack of speech signal during a call. This situation occurs relatively frequently in mobile telephony, and is called silent call (SC). Lack of speech signal can occur only once or many times during the call, and degrade connection quality. In this paper, an analysis of this phenomenon is presented. The research base are the results of measurements mobile network one of operators in Trójmiasto a large urban area consisting of three cities: Gdańsk, Gdynia, and Sopot. To estimate impact of silent calls on speech quality, mean opinion score index was calculated using POLQA algorithm.
Effect of mannitol and sago starch on the qualities of frozen dough pizza from
rice-pregelatinized cassava flour
Authors: Fatihati H.S. , Palupi N.S. , Ratnaningsih R. , Purwani E.Y.
Published: April 2024

Globally, the baking industry is creating gluten-free pizza, due to celiac disease which
restricts the use of wheat flour. Cassava flour, rice flour, and sago starch are potentially
substituted for wheat in the pizza dough. Gelatinization may alter the characteristics of
native sago. Frozen pizza dough accelerates service. Mannitol preserves yeast by
maintaining moisture during freezing storage, hence enhancing the quality and shelf life of
dough. The purpose of this research was to determine the ideal formula by analyzing the
physical properties of dough (development volume), pizza products (development volume,
hardness, springiness and chewiness), and organoleptic products (appearance, smell, taste,
texture, crumb uniformity and overall acceptance). This study utilized sago starch (native
and extruded) and mannitol (0, 1 and 2%) for the dough, and stored it at -4℃ for 6 days.
Physical characterization and organoleptic evaluations suggested that formula 3 (adding
native sago starch +2% mannitol), and formula 5 (adding extruded sago starch +1%
mannitol) were the optimal pizza base compositions. Formula 3 was 85.11 gf in hardness,
2.15 mm in springiness, and 1.35 mJ in chewiness. Formula 5 exhibited a hardness of
85.94 gf, a springiness of 2.16 mm, and a chewiness of 1.40 mJ. On the basis of
organoleptic evaluations of flavor, texture, and crumb consistency, panelists appreciated
Formula 5. Due to the absence of gluten, the non-wheat pizza crust exhibits a more fractal
and elliptical crumb microstructure.
Cross Inequality in Science and Sociology
Authors: Xuanyuan Dongyang
Published: April 2024

This research paper aims to analyze the impact of social inequality by discussing income inequality in social sciences and the challenges that women face in employment. Through questionnaire survey and data analysis, this paper comprehensively discusses the multi-dimensional impact of inequality in women’s employment and proposes feasible measures to reduce employment inequality from multiple perspectives. The impact of the current situation of women’s employment in society from two key dimensions of economy and sociology was analyzed. Insights and directions for the future government and society were provided to formulate relevant policies.
Recycled Household Plastic and Oil Palm Filler Reinforced Epoxy Composite for Lightweight Construction Applications
Authors: Qin Jun Adrian Wong , Fong Ai Ling , Debnath Sujan , Ali Mohammad Yeakub
Published: April 2024

Polypropylene is extensively used in aerospace, automotive and construction applications due to its versatile properties. This project aims to reduce plastic and oil palm waste and promote the development of strong, sustainable and eco-friendly construction materials. The objective of this project is to develop a sustainable yet high-performance construction material by incorporating polypropylene particles, oil palm empty fruit bunch (OPEFB) fibres and oil palm shell (OPS) particles into epoxy composites through the hand lay-up method. The composite specimens undergo ASTM D638 tensile test to determine the tensile properties. The addition of PP particles in varying weights shows decrease in tensile strength, likely due to poor dispersion and compatibility with the epoxy matrix. Incorporating 3 wt% OPEFB fibres with fibre length from 2mm to 4mm improves tensile strength by 2.32% and 23.36% respectively at higher PP particle loadings which are 15 wt% and 25 wt%. Adding 1 wt% and 3 wt% OPS particles improves the tensile strength by 2.96% and 4.68% respectively, in composites with 10 wt% PP particles and 3 wt% OPEFB fibres. The tensile performance may be improved by treating PP particles with compatibilizers such as silane or maleic anhydride grafted polypropylene.
Archivos vivientes: vistas, sonidos y cantos
Authors: Vergara C. Isabella
Published: April 2024

Border Cantos, una colaboración entre el compositor experimental Guillermo Galindo y el fotógrafo Richard Misrach, profundiza en las narrativas multifacéticas de la migración a lo largo de la frontera entre EE. UU. y México. Las fotografías de Misrach capturan los paisajes y huellas de los cuerpos que cruzan la frontera y sus viajes difíciles. Complementando esto, Galindo transforma artefactos y desechos de la frontera en objetos sonoros, creando composiciones que hacen eco e reinterpretan las experiencias de los migrantes. Los cantos, ritmos y narrativas visuales de esta obra resuenan profundamente con las historias de quienes atraviesan la frontera en busca de seguridad, oportunidades o reconexión con sus seres queridos. En este artículo, mi análisis se centra en la compleja interacción entre sonido e imagen en Border Cantos, contextualizándolo dentro del amplio panorama de expresiones artísticas latinoamericanas. Destaco el papel del canto como una potente microepistemología, visualizándolo como un archivo vivo que captura y transmite narrativas alternativas. Inspirándome en la exploración de las dimensiones sonoras de Ana María Ochoa, las percepciones sobre la política de la voz de Brandon LaBelle y los pensamientos sobre la resonancia y la temporalidad de Lutz Koepnick, analizo el canto como un medio transformador, viéndolo no solo como repetición sino como un ritmo continuo y amplificado del aliento. Argumento que Border Cantos y su matizada representación del canto expanden nuestra comprensión de las historias de migración, nuestras nociones de expresión artística e imaginaciones archivísticas.
Words and Rhythm, Sound and Text
Authors: Hankin Charlie D.
Published: April 2024

N/A
Peningkatan Imunitas pada Kelompok Prolanis Puskesmas IV Denpasar Selatan Selama Pandemi COVID-19
Authors: Lestarini Asri , Subrata Tanjung , Gunawarman Anak Agung Gede Raka , Permatananda Pande Ayu Naya Kasih , Cahyawati Putu Nita
Published: April 2024

Banyak faktor yang dapat menurunkan imunitas tubuh, di antaranya diet yang tidak sesuai, kurangnya olahraga serta stres baik fisik maupun psikologis. Selama masa pandemi ini kegiatan Kelompok Program Lansia (Prolanis) Puskesmas IV Denpasar Selatan menjadi menurun. Hal ini mengakibatkan kurangnya aktivitas fisik, motivasi, kualitas hidup serta menurunkan imunitas. Selain aktivitas fisik, imunitas juga dapat ditingkatkan dengan tetap menjaga pola makan (diet) yang sesuai dengan penyakit yang diderita serta mengombinasikannya dengan olahraga secara teratur. Mitra terdiri dari pasien lanjut usia yang menderita penyakit diabetes melitus yang memerlukan penerapan diet dan olahraga sehingga dapat meningkatkan imunitas selama pandemi COVID-19. Pemberdayaan mitra ini bertujuan untuk meningkatkan pemahaman dan keterampilan menerapkan diet yang sesuai serta melakukan exercise agar dapat membantu pengendalian kadar gula darah khususnya bagi pasien diabetes melitus. Metode yang akan dipakai untuk mencapai tujuan tersebut di antaranya melalui penyuluhan, pelatihan dan pendampingan tentang diet, dan exercise berupa Resistance and Aerobic Exercise Combination (RabEC) bagi penderita diabetes melitus sampai dapat diterapkan secara mandiri oleh mitra. Kegiatan dilakukan di Puskesmas IV Denpasar Selatan, dengan melibatkan peserta sebanyak 17 orang peserta. Hasil program ini adalah adanya peningkatan pengetahuan yang dilihat dari hasil rerata postest (81,17) lebih tinggi dari hasil rerata pretest (58,23). Setelah diobservasi, didapatkan peningkatan kemampuan peserta untuk melakukan exercise kombinasi tersebut. Diharapkan dapat dilakukan kegiatan yang serupa sehingga meningkatkan keterampilan anggota Prolanis puskesmas IV Denpasar Selatan dalam exercise kombinasi RabEC.
Pendampingan Operasi dan Pemeliharaan Alat Hidrologi di Stasiun Klimatologi Bendung Lakitan
Authors: Baniva Ratih , Amalia Ghina , Parwanti Sri , Yuliany Eka Haryati , Trikarno Mohamad Anugrah
Published: April 2024

Kelengkapan data hidrologi yang akurat diperlukan adanya program operasi dan pemeliharaan alat hidrologi secara menyeluruh dengan pemantauan secara langsung ke stasiun klimatologi secara rutin sehingga diharapkan dapat menginventarisasi alat yang masih berfungsi dan yang berkendala bertujuan informasi data yang didapatkan dapat tetap tepat dan benar. Pihak petugas pos klimatologi diharapkan memantau alat-alat hidrologi yang ada di pos klimatologi secara rutin dan berkala. Tujuan dari kegiatan ini adalah memberikan pendampingan operasi dan pemeliharaan alat hidrologi pada stasiun klimatologi Bendung Lakitan kabupaten Musi Rawas agar dapat menginventarisasi dan monitoring terhadap alat hidrologi berdasarkan kondisinya. Kegiatan Pengabdian pada Masyarakat ini bertempat di Desa Selangit Kabupaten Musi Rawas. Tahapan pelaksanaan pada kegiatan Pengabdian pada Masyarakat pada Stasiun Klimatologi Bendung Lakitan dimulai dari tahap Persiapan, survei lapangan, pengisian formulir inspeksi terkait kondisi fisik alat hidrologi yang ada di pos/stasiun. Kegiatan ini dimulai tanggal 9 Oktober-13 Oktober 2023. Hasil dari pengabdian masyarakat ini dapat dilihat pengoperasian alat hidrologi pada stasiun klimatologi Bendung Lakitan Kabupaten Musi Rawas kondisi semua alat berfungsi dengan baik sehingga data yang dihasilkan lengkap dan pemeliharaan alat hidrologi pada stasiun klimatologi Bendung Lakitan Kabupaten Musi Rawas dilakukan pendampingan kalibrasi secara berkala.
Pendampingan Pemahaman Moderasi Beragama Melalui Kegiatan Ekstrakurikuler Rohani Islam di SMA/SMK/MA Kota Metro
Authors: Santoso Rudi , Fikri Arif
Published: April 2024

Rohis merupakan bagian dari organisasi intra sekolah yang dapat menjadi salah satu media untuk pembinaan moral dan akhlak Islami, dan pribadi yang tangguh menghadapi masa depan. Oleh karena itu visi Rohis adalah menghidupkan dakwah Islam yang kondusif. Sedangkan misi Rohis adalah memberikan pendidikan dan pelatihan tentang keislaman dan organisasi serta optimalisasi dakwah. Aktivis Rohis merupakan kader-kader yang militan. Salah dalam melakukan pembinaan maka akan menghasilkan kader militan yang berpaham salah. Metode yang digunakan oleh pengabdi adalah Participatory Action Research (PAR). Lokasi pengabdian berada di Madrasah Aliyah Muhammadiyah I Metro, Sekolah Menengah Atas Kartikatama Metro dan SMK 2 Muhammadiyah Metro. Pengabdian melalui 3 tahapan yaitu Pendampingan Tahap I (Interpreting and Exemplifying), Pendampingan Tahap II (Classifying and Summarizing), Pendampingan Tahap III (Comparing and Explaining) dan tahap evaluasi dilakukan melalui pra-pengabdian hasil dari pre-test didapatkan hasil pemahaman terkait moderasi nilai tertinggi 68 dan nilai terendah 44 maka nilai rata-rata 52,3, sedangkan pada tahap post-test didapatkan nilai tertinggi 85 dan nilai terendah 60 maka nilai rata-rata 75. Berdasarkan hasil tersebut dapat disimpulkan bahwa pemahaman para kader rohis tentang moderasi beragama semakin meningkat, kader rohis dapat membandingkan dan mendeteksi perbedaan moderasi beragama.
Does capital structure mediate the relationship between asset structure and company size on profitability?
Authors: Ristianti Amelia Anja , Suwitho Suwitho , Satrio Budhi
Published: April 2024

The high value of the capital structure (DAR) among companies in the agricultural sector signifies a greater reliance on debt capital than equity capital. This research aims to examine the influence of asset structure and company size on capital structure, with the mediating role of profitability. The study is based on case studies of agricultural sector companies that became publicly listed during the period 2014-2019. Path analysis is employed as the analytical method. The findings reveal a positive and significant impact of company size on profitability within agricultural sector companies listed on the IDX. Concerning asset structure, company size, and profitability, all three factors display a positive and significant effect on the capital structure of agricultural sector companies listed on the IDX. However, the study determines that profitability does not act as a mediator in the relationship between asset structure and company size concerning the capital structure of agricultural sector companies listed on the IDX.
Juridical review of moral rights ownership in copyright of photographic works used for artificial intelligence algorithms
Authors: Rahmawan Triya Indra , Amrulla Mohammad Fahrial , Sunarjo Sunarjo
Published: April 2024

This research delves into the legal landscape concerning moral rights ownership within the realm of copyright for photographic works, specifically exploring their utilization within artificial intelligence (AI) algorithms. Focusing on the intersection of intellectual property law and AI technology, the study investigates the rights and protections accorded to creators of photographic works under copyright laws. The analysis encompasses the ethical and legal considerations pertaining to the use of these works in AI algorithms, scrutinizing issues related to attribution, integrity, and the recognition of creators. By examining the current legislative frameworks and jurisprudence, this research aims to provide insights into the challenges, implications, and potential regulatory adaptations required to ensure the preservation of moral rights for creators within the context of AI-utilized photographic works.
The operational process efficiency and profitability on food and beverage companies in Indonesia
Authors: Pratiwi Melda Febi Jeri , Yuniarti Sari , Sunardi Sunardi , Prihantono Eko Yuni
Published: April 2024

High profitability can create attractiveness for investors, and also provide opportunities for company growth. Improving profitability can be achieved through efforts to enhance operational efficiency and optimize the allocation of company resources. This research aims to investigate the impact of Receivable Turnover (RTO) and Inventory Turnover (ITR) on Profitability (ROA) in the food and beverage sub-sector companies listed on the Indonesia Stock Exchange (IDX) during the period 2018-2022. Data collection methods involve documentation, utilizing financial reports from six companies with the highest sales turnover. Using multiple linear regression analysis, the research findings reveal that Receivable Turnover (RTO) significantly influences Profitability (ROA) positively. This indicates that increased efficiency in receivables management can contribute positively to a company's profitability. Meanwhile, Inventory Turnover (ITR) does not have a significant impact on ROA. This finding suggests that efficiency in inventory management does not directly affect the level of profitability. The implications of this research underscore the importance for management to maintain efficiency in receivables management and continually improve operational efficiency in inventory management. Thus, companies can more quickly convert inventory into sales, avoid excess idle inventory, and overall improve profitability performance.
Determining factors in customer decision-making in choosing mortgage loans
Authors: Arum Delfia Baby Sekar , Susana Erni , Yuniriyanti Eny , Dwipasari Lita
Published: April 2024

This study aims to analyze the factors influencing customer decisions regarding mortgage loans (Kredit Perumahan Rakyat or KPR), both individually and collectively. Employing a sample of 90 participants selected through random sampling, data collection was conducted through a structured questionnaire. The study employed multiple linear regression analysis to investigate the influence of various factors. The findings unveiled that price level, service quality, and procedural efficiency wield significant impacts on customer decisions in selecting KPR products. This highlights the pivotal role these factors play in the decision-making processes of customers. Conversely, the research discovered that promotional activities lack significant effects on customer decisions, indicating a potential necessity for KPR providers to reassess their promotional strategies. Grasping these insights can aid KPR providers in customizing their offerings to better align with customer preferences and requirements, thereby bolstering their competitive edge within the market landscape.
A priori and a posteriori estimates for solving one evolutionary inverse problem
Authors: Andreev V. K. , Stepanova I. V.
Published: April 2024

This article considers an initial-boundary value problem for a system of parabolic equations, which arises when studying the flow of a binary mixture in a horizontal channel with walls heated non-uniformly. The problem was reduced to a sequence of initial-boundary value problems with Dirichlet or Neumann conditions. Among them, an inverse problem with a non-local overdetermination condition was distinguished. The solution was constructed using the Fourier method and validated as classical. The behavior of the non-stationary solution at large times was discussed. It was shown that certain functions within the solution tend to their stationary analogs exponentially at large times. For some functions, only boundedness was proved. The problem and its solution are relevant for modeling the thermal modes associated with the separation of liquid mixtures.
Influence of the shape of the anode assembly inner channel on plasma flow velocity
Authors: Okulov R. A. , Krashaninin V. A. , Gelchinsky B. R. , Rempel A. A.
Published: April 2024

This article considers how the shape of the inner channel in the anode assembly affects plasma flow velocity in a plasma torch. Three different shapes of the anode assembly were analyzed, all with a conical confusor part of 50 mm in length: with a diameter transition from 12 to 6 mm, from 12 to 8 mm, and from 12 to 10 mm. A computer experiment was performed using the finite element method and then validated by the subsequent full-scale experiment on a laboratory plasma unit. The obtained results were verified. The verification outcomes showed a satisfactory convergence and were consistent with the published data. A review of the existing plasma unit designs for powder production, application of functional coatings, and surface modification was carried out. The software packages implementing the finite element method to solve these problems were examined. The study yielded practical recommendations for consumers and developers of plasma equipment and identified the shapes of the anode assembly enabling both supersonic and subsonic plasma flow regimes.
Tricomi problem and integral equations
Authors: Pleshchinskii N. B.
Published: April 2024

Formulas for inverting integral equations that arise when studying the Tricomi problem for the Lavrentyev–Bitsadze equation were derived. Solvability conditions of an auxiliary overdetermined problem in the elliptic part of the mixed domain were found using the Green function method. A connection was established between the Green functions of the Dirichlet problem and problem N for the Laplace equation in the form of integral equations mutually inverting each other. Various integral equations were considered, including explicitly solvable ones, to which the Tricomi problem can be reduced. An explicit solution of the characteristic singular equation with a Cauchy kernel was obtained without involving the theory of boundary value problems for analytic functions.
On the motion of a viscous liquid with a free boundary
Authors: Sennitskii V. L.
Published: April 2024

The problem of the non-stationary flow of a viscous liquid with an external free boundary around a moving solid cylindrical body was formulated and solved. The liquid is subject to periodic impacts with or without the predominant direction in space. To formulate the problem, the Navier—Stokes equation, the continuity equation, and the equation of conditions at both the solid and free boundaries of the liquid were used. New hydro-mechanical effects were discovered.
Analysis of environmental sustainability perception in Paraná Basin III residents via Item Response Theory
Authors: Bueno Renan Barufaldi , Silva Marcelo Andrade , Possan Edna , Vincenzi Silvana
Published: April 2024

Environmental sustainability perception encompasses an individual’s ability to process and interpret sensory information related to the environment. This understanding guides them to consciously and actively protect and care for the environment through continuous learning. This article aims to analyze the environmental sustainability perception of residents of the Paraná Basin III using IRT models for polytomous items, relating it to socio-economic and location characteristics. The choice to conduct the research in this Brazilian territory is driven by the hydrographic basin’s substantial influence on the Itaipu hydroelectric power plant and its significance as a crucial water resource for the region. Results showed that: (1) 13.1% of residents have a low perception of sustainability, (2) there were significant differences in perception between cities, with Toledo having the lowest values, and (3) there was a positive relationship between remuneration and perception of sustainability. By analyzing the results presented, it becomes possible to develop effective public policies to improve the region’s perception of sustainability.
Bond Strength of Rectangular CFSST Columns after Exposed to Elevated Temperature
Authors: K. Anandapadmanaban , Santhi A. S.
Published: April 2024

This article investigates the bond- behavior of Rectangular Concrete-filled stainless-steel tubular (RCFSST) columns under post-fire conditions. The main objective of this research was to obtain τ-s relationship of RCFSST columns under the combined effects of high temperature and concrete age. A total of sixteen specimens, including four reference specimens, were tested with different parameters, namely: i) temperature (600 °C, 800 °C & 1000 °C) ii) different concrete ages (30 days, 60 days, 90 days & 180 days). Analyzing the τ-s curves of the test specimens, chemical adhesion and micro-locking were the principal forces contributing to bond strength at lower concrete ages under post-fire conditions. At a higher concrete age, RCFSST specimens displayed a longer curve after the inflection point, indicating the contribution of macro-locking forces in amplifying the bond-strength. Five distinct curve types were found from the experiments. Type 1 curves with three stages, i) initial linear, ii) non-linear, and ii) final linear stage, had a higher frequency among the other types. For 90-day cured specimens, a decline in bond strength was observed at higher temperatures, but for 180 days cured specimens, a significant rise was seen under post-fire conditions. A new set of τ-s relations for RCFSST columns with different concrete ages under post-fire was established. Doi: 10.28991/CEJ-2024-010-03-019 Full Text: PDF
Caribbean Family Resilience: A Mixed Methods Arts-Informed Research
Authors: Donald Karina , Brock Linda
Published: April 2024

The challenges that Caribbean families encounter are multidimensional: social, economic, and environmental (Lacey et al., 2017). As a culture that values the influence of families (Barrow, 1996), it is unknown how they cope with difficulties. The present study was guided by the research question: What are the experiences and resources of family resilience among English-speaking Caribbean families? This mixed methods research study explored family resilience among Caribbean families. The qualitative component was an arts-informed phenomenological design of interviews and artmaking of 19 families. During the same phase, 179 persons completed a survey on their family’s experiences through the Family Resilience Assessment Scale (Sixbey, 2005). The results converged between the theme on financial challenges as strength for family resilience and statistical results on socioeconomic resources significant relationship with family resilience; reliance on internal family connectedness theme converged with no significant difference in family type; and the barriers to family resilience theme converged with no significant relationship between family resilience by family size and education. English-speaking Caribbean families have complex resources that support family resilience. To support family resilience, a multisystemic approach should be considered, which includes storytelling, faith and spirituality, administration of the Family Resilience Assessment Scale, and the extended family.
Editors’ Introduction to the International Journal of Multiple Research Approaches: Issue 15(1)
Authors: Scherman Vanessa
Published: April 2024

With this editorial, we introduce the latest issue (i.e., Volume 15, Issue 1) of the International Journal of Multiple Research Approaches and provide an overview of its main points presented within its two articles.
Kitle İletişim Araçlarında Rusça Fiillerin Leksikoloji, Morfoloji ve Sentaks Bağlamında Nicelik Analizi
Authors: Bak Hadi
Published: April 2024

Sözcük türlerinin en önemlilerinden biri olan fiiller, bütün dillerde olduğu gibi Rus dilbilgisinde de önemli bir yer tutmaktadır. Rus dilinin bir özelliği olan fiillerin bitmişlik ve bitmemişlik durumu pek çok yönden incelenmektedir. Fiillerin tamamlanmış veya tamamlanmamış olma durumu, eylemlerin tek seferli veya çok kez tekrarlandığına dair kullanımı fiillerin anlamlarının niceliksel olarak değerlendirilmesine olanak sağlamaktadır. Rus dilinde cümle içerisinde yer alan tüm öğeler hem nicel olarak değerlendirilmekte hem de fiiller, anlam ve yapılarına göre sayılmakta ve hesaplanmaktadır. Rus dilinde fiillerin nicel olarak değerlendirilmesi, fiillerin tekil ve çoğul kullanımları, eylemin tek veya çok seferli gerçekleştirildiği ile ilgilidir. Fiillerin niceliksel olarak değerlendirilmesinin temel olarak üç şekilde gerçekleştiği söylenebilir: Tek seferli veya çok seferli gerçekleştirilen eylemin kendisi, eylemin gerçekleştirenin tekil veya çoğul şahıs olması ve eylem nesnelerinin kümesi veya niceliksel belirsizliği. Bu çalışmada, kitle iletişim araçlarında karşılaşılan eylemlerin tekilliği veya çokluğu, eylemin gerçekleştirenin tekilliği veya çokluğu, eylem nesnelerinin çokluğunu veya niceliksel kesinliğini/belirsizliğini ifade eden fiil biçimleri ele alınacaktır. Fiillerde kantitatif değerler çözümlemesi yapılırken, «belirli – belirsiz miktar» ve «belirli-belirsiz çoğulluk» gibi kavramlar ayırt edilerek değerlendirilme yapılacaktır. Çalışmanın materyalini Rus kitle iletişim araçlarında (СМИ) karşılaşılan fiiller oluşturmaktadır. Çözümleme ve çeviri yöntemi kullanılarak fiillerin kantitatif olarak değerlendirilmesi kelime bilgisi, dilbilgisi ve söz dizimi gibi dilin önemli üç aşamasında incelenecektir.
INSIGHTS INTO YOUNG MINDS: UNVEILING THE SPECTRA OF MARRIAGE PERSPECTIVES
Authors: Khan Md. Arif Uddin , Farjana Akter  , Ferdouse Jannatul , Kubra Tania Jannatul
Published: April 2024

Marriage, a complex social institution, undergoes dynamic shifts influenced by societal, cultural, emotional, and economic factors across different times and regions. The process of mate selection involves a multifaceted interplay of factors, including physical attributes, socio-economic status, and societal norms. The study delved into the marriage perspectives in Bangladesh, examining the attitudes of unmarried young individuals toward marriage and mate selection. Employing a mixed-method research approach, the study collected information from a sample of 319 unmarried young individuals aged between 18 and 35 years, from Chattogram, Cox’s Bazar, Brahman aria and Camilla districts of Chattogram division in Bangladesh. The study analyzed varied viewpoints on marriage, highlighting it as a bond where individuals live together or as a social, religious, or familial unit. Preferences for love and arranged marriages entailed considerations like mutual understanding, family satisfaction, societal acceptance, and personal desires. Diverse viewpoints emerged regarding traits prioritized when choosing partners. While gentleness, education and beauty were highly valued, socio-economic factors such as economic stability, job status, and religiousness also held significance. Furthermore, participants emphasized differing characteristics when selecting grooms versus brides, demonstrating a distinct set of preferences for each gender. Understanding these perspectives offered valuable insights for policymakers, suggesting initiatives like educational programs on healthy relationships, cultural sensitivity training for matchmakers and advocating for open communication to ensure satisfactory decision-making in marriage. These insights would be helpful to contribute to a deeper comprehension of evolving marital paradigms in Bangladesh, laying the groundwork for informed social policies and a better understanding of the future societal landscape.
MEDIA DEVELOPMENT IN THE LIGHT OF FREEDOM OF EXPRESSION: AN INSIGHT IN THE PRESENT INDIAN CONTEXT
Authors: Das Arjun
Published: April 2024

Basic principle in journalism is to focus for development for public good and to uplift the society and transform the societal healthy practices. Media in its various capacity tries to inform, educate, and entertain the mass people for the benefit of human society and that should be the motto of media cutting across country line and geographical boundary. In Indian context how media focuses in its principle in the present set up that is interesting to be seen in the light of the critical perspective of freedom of expression as envisages in our constitution. In India journalistic freedom remained a million dollar question not only in pre-independence India but remained a valid question in post independence period and in the modern scenario too. In the present context if we speculate we observe that media organization and their key functionaries are vertically divided into pro and anti against any elected government and this phenomenon is not even permanent in them. They themselves frequently changes their colour for the reasons not best known by themselves alone but mass people are more knowledgeable these days and understand the very fact for this kind of shift. Off course for some time their survival question remains a valid point too in this competitive market scenario. In such a juncture this paper would like to discuss all those critical issues in this complex and media saturated condition more specifically in the light of journalistic freedom and their challenges in the current Indian situation.
Enacting teacher emotion, agency, and professional identity: A netnography of a novice Chinese language teacher’s crisis teaching
Authors: Janes Sasha , Chen Julian
Published: April 2024

This netnography explores how teacher agency, emotion regulation, and professional identity were enacted by a novice Chinese language teacher in response to emergency remote teaching (ERT) in Australia amid the global pandemic. Ecologically sound, netnography creates uncoerced spaces to allow participants to have their voices heard, thus enabling researchers to discover nuanced patterns linked to the social-emotional state and wellbeing of the community members, regarding fears, tensions, and resilience triggered by ERT. Multiple data sources were triangulated from the teacher’s reflection journal, digital teaching artifacts, debriefing sessions, interviews, and online questionnaire responses. Thematic analysis reveals teacher identity was re-envisioned through crisis teaching pedagogy and the regulation of negative emotions to facilitate agency, which reciprocally bolstered teacher identity. The findings also indicate teacher identity development is challenged and shaped by negotiating a new role in remote teaching, thus impacting pre-ERT identity. Hence, the emotion regulation trajectory of ERT can stimulate and encourage technology-enhanced professional learning as teacher agency and resilience reinforce a new identity reimagined as a capable online teacher. By situating novice teacher agency, emotion regulation, and emerging identity in crisis teaching, this netnographic research conceptualises how ERT presents not only challenges for novice teachers’ identity development and emotion, but also the sustainability and empowerment of online teaching and professional growth of impacted teachers of Asian languages.
LA DIABETES MELLITUS COMO FACTOR DE PREDISPONENCIA CULTURAL EN LA CIUDAD DE MANAUS/BRASIL
Authors: Souza Raimundo Alves de
Published: April 2024

RESUMEN

La diabetes mellitus es una enfermedad crónica considerada un problema de salud pública muy grave en Brasil y, de todos modos, en la Región Norte de Brasil. A esto le sigue un estudio de la
ENTRELAÇOS: Um estudo sobre as implicações psicossociais do cuidar de pacientes internados em unidade de terapia intensiva
Authors: Silva Nágila Pereira e , Santos Deborah Do Nascimento , Araujo Ester Bianca Moreno de , Cantanhede Jackson Jaime Silva , Brasil Mário Rannyére de Almeida , Sousa Dayane Fernandes
Published: April 2024

CONTEXTUALIZAÇÃO: O projeto "ENTRELAÇOS" foi desenvolvido como um grupo de apoio aos familiares dos pacientes da UTI geral do Hospital da Ilha, numa parceria entre o Hospital Sírio Libanês e a EMSERH
OS EFEITOS DA MANOBRA DE KRISTELLER NA OCORRÊNCIA DE TRAUMAS OBSTÉTRICOS: UMA REVISÃO SISTEMÁTICA
Authors: Cruz Gerley Adriano Miranda , Oliveira Agna Freitas De , Simoes Angelica
Published: April 2024

Introdução: A manobra de Kristeller, técnica do século XIX, consiste na aplicação de força extrema no fundo uterino sincronizada com contrações para acelerar o trabalho de parto. No entanto, considera
CAUSALIDADE ENTRE DESENVOLVIMENTO DE SINUSITE ESFENOIDAL E TROMBOSE SÉPTICA DO SEIO CAVERNOSO
Authors: Castro Maria Luíza Lima de
Published: April 2024

CAUSALIDADE ENTRE DESENVOLVIMENTO DE SINUSITE ESFENOIDAL E TROMBOSE SÉPTICA DO SEIO CAVERNOSO
Maria Luíza Lima de Castro1
1Universidade Federal de Juiz de Fora (malulimajf@gmail.com)
Introdução: A tr
ANÁLISE EPIDEMIOLÓGICA DAS INTERNAÇÕES POR ARRITMIAS CARDIOVASCULARES NO BRASIL
Authors: Silva Caio de Oliveira da , Rei Eduardo Minei , GULARTE DANIEL FERRAZ POZZER
Published: April 2024

Introdução: Os transtornos de condução e arritmias cardíacas são caracterizados por alterações no sistema cardiovascular. Os distúrbios de condução são marcados por uma lentificação ou interrupção da