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The non-negative matrix factorization (NMF) algorithm is a classical matrix factorization and dimension reduction method in machine learning and data mining. However, in real problems, we always have to run the algorithm for several times and use the best matrix factorization result as the final output...

The development of the Internet of things has put forward new requirements to the data processing capacity, and outlier detection has found an increasingly wide utilization in the field of data mining. The accuracy of the outlier detection algorithm based on Euclidean distance in the high dimensional...

Teaching English in primary schools relates to the readiness of the schools and the students’ proficiency levels. If the schools have the sufficiency of English teachers, media, and textbooks, they will be ready to teach English. It is because primary schools deal with young learners aged 6-12 years...

The vault tool in artistic gymnastics is a sport with high-performance parameters, and it belongs to anaerobic. The maximum technique achievement in the vault is strongly supported by elements of good physical performance. The study aims to analyze the relationship of physical ability factor of running...

The boom in electric vehicles in recent years has caught the attention of many companies that are investing or will be investing in the industry due to the increasing demand for electric cars. Tesla as a leader of the electric vehicles (EVs) industry, its development is of vital significance for referential...

In this study, a total of four models were utilized, the pure ARIMA and ANN models and two different methodologies that were used to combine ARIMA (Autoregressive Integrated Moving Average) and ANN (Artificial Neural Network) models, an additive methodology and a multiplicative methodology, to model...

Many plants from the genus Alpinia are known to have several bioactive compounds that can act as an antitumor in cancer treatments. However, the potency of the bioactive compounds from red ginger as an antitumor agent has not been reported before. This research aims to study the inhibitory activity of...

Several machine learning algorithms have been proposed in recent years to design accurate classification systems for a wide range of diseases such as cancers, hepatitis, and coronavirus. In this study, the Classification and Regression Tree (CART) is proposed to predict breast cancer in the early stage,...

Using silane coupling agent and ammonium zirconium carbonate to modify heavy calcium carbonate separately. Experiments show that using modified calcium carbonate as a filler made of significantly higher than filling in terms of the physical strength of paper. Under 40 ° SR condition, after 1% ammonium...

Financial distress prediction is an interesting topic to be studied because of its significant impact on various stakeholders. Various methods have been developed to predict the company's financial distress. Among the famous models, the Support Vector Machine (SVM) is claimed to be the most successful...

This paper explains the application of the net present value rule to actual investment scenarios. Examples are given of how the NPV rule can be used in actual machine production to help investors decide the best time to sell in a single or repeated investment scenario and thereby maximize the benefits....

With the development of modern information technology, it becomes increasingly easier for users to obtain information through various type of services or applications. However, it also brings difficulty for users to search for really desired information among massive corresponding data. Thus, recommendation...

The aim of the study was to develop Flat Plate Collector (FPC) from the locally available material in the market for the purpose of solar water heating. The efficiency of the collector was tested with the normal flow of water under ambient temperatures of 25oC for the consequently months of the year....

The paper describes results of the study on polybutylene terephthalate and polybutylene terephthalate-polyethylene having high chemical resistance. The article shows the dynamics of changes in values (Ap), (Ey), (?t) (?p), (?p) depending on the composition and exposure time under unloading which is close...

Most of audio players on the market use the hardware filter or DSP chip to process spectrum, the use of the techniques on the one hand requires high hardware costs, on the other hand, software and hardware implementations is more complex. In order to overcome the shortcomings, a spectrum display using...

Entrepreneurship becomes a very important aspect if it is associated with the amount of poverty and unemployment of the educated group in this case the group that has completed their education in tertiary institutions. To support the intensity of entrepreneurship the role of the entrepreneurship education...

In this study, moisture content of soybean was evaluated using visible near infrared (Vis-NIR) spectroscopy. Soybean were dried at 60˚C for up to 10 hours to get moisture variation. A total of 200 soybean were used in this study which made a total of 600 reflectance spectra scanned with Vis-NIR spectrometer...

Many factors influence the strength of concrete, including the quality of the materials and admixtures used, the composition of the materials, the method of manufacture and curing. Therefore to achieve the design strength of concrete, it is necessary to conduct aggregate inspection, use suitable admixtures,...

This study aims to find out how the Regional Government plays a role in increasing the Human Development Index in Central Java Province, in achieving this goal analysis is carried out using panel data analysis on government interventions in the education, nature, and consumption sectors of Central Java...

This paper provides a review on low power design techniques for Field Programmable Gate arrays (FPGAs). Application of each technique is targeted towards portable devices required for day-to-day life. It also provides recent trends and techniques for low power devices. It mentions the future work for...

One way to increase the surface hardness of a material is by adding carbon elements in a confined space under controlled temperature, a process known as pack carburizing. This study used the pack carburizing technique to explore the effects of different carbon powder sources on the hardness and microstructure...

This research aims to study the effect of immersion time on yield, viscosity, and color of skin cow gelatines. Twenty-four thousand grams of skin cow, twelve thousand grams pineapples peel, and ten thousand two hundred millilitre an aquadest were used in this research. The Experiment method that used...

Objective: Through animal experiments to understand medical titanium mesh in the sandblasting acid corrosion (SLA) before and after processing and surface coverage of BMSCs cell membrane after the effect of inducing osteogenesis, for medical titanium net covering the bone marrow stem cells after surface...

The traditional Computer wargaming system just considers a few types of simple landform, and maneuverable rules are also simple. Based on that, the maneuver trajectory planning results can be usable for games. But the results may be quite different from real combat, which causes simulation results be...

Article briefly describes the application of CFD simulation technique and experimental validation in the development, improvement and optimization of flotation machine, meanwhile the paper designs an injector used for compound flotation machine according to working principle. The conical injector with...

In this paper, problems in coal handling system and practice of Chengjiao coal preparation plant is tested and analyzed in detail, and I have put forward solutions for problems in coal handling system. The best production program of Chengjiao coal preparation plant was chose through program comparing....

This paper proposes a flexible finite mixture model framework using multivariate skew normal distribution for banking and credit institutions’ stock data in Iran. This method clusters time series stocks data of Iranian banks and credit institutions to filter those data into four groups. The proposed...

With the emergence of the internet, e-mastering has more and more more emerge as the promising answer that maintains to develop day after day. Considering college college students’ belief in the direction of e-mastering is critical in a success improvement of e-mastering in better education, on account...

Through virtual reality technology, human-machine immersive interactive system, virtual scene, beautiful structure of music teaching is implemented, and the new concept of using virtual experience is the real technology of music teaching. To create a virtual reality system with high sensitivity and multi-dimensional...

This study examines the impact of AI-driven market volatility on the pricing of S&P 500 index options. The aim is to assess the limitations of the Black-Scholes (BS) model under AI-induced volatility and explore improvements by incorporating the GARCH model. Time-varying volatilities are estimated...

Optimization of iron and steel industry layout is a measure for China’s sustainable development. And the layout evaluation of iron and steel enterprises based on sustainable resources and environment is an important basis for the optimization. This study evaluates the iron and steel industry layout in...

The La1-xSrxCoO3 perovskite oxides were synthesized by a sol-gel method, the electrochemical properties of them were studied as negative electrodes for nickel-metal hydride batteries in aqueous KOH solution. The results show that the electrode with the Sr content of x = 1.0 shows the best performance...

The DCF model is a valuation model that we often use in our daily life. It is a common model for company valuation. Although the DCF model is the best choice of most companies’ valuation models, there are still many inaccuracies in this valuation compared with the actual value. To verify the accuracy...

The purpose of this study was to determine the Generalized Estimating Equation (GEE) analysis as one of the longitudinal data regression methods for composite index data on children’s welfare (CWCI) in West Java Province. GEE analysis uses four different correlation structures to determine the best model,...

The sensory quality of food products including coffee determines the level of consumer acceptance. This study ancover the differences in consumer acceptance and determines the best postharvest and processing treatments of ground and brewed Robusta coffee. The Taguchi orthogonal array L9 (34) with four...

With the popularity of cloud storage, its reliability and access latency have become increasingly prominent. To solve this problem, a novel strategy of dynamic replica creation based on acceleration is presented for cloud storage by drawing lessons from the concept of acceleration. For reducing access...

Soil moisture and nutrients are different under different water and fertilizer conditions, which will affect crop growth and yield. In this study, water consumption, growth index, yield under different treatments were measured and analyzed in order to investigate the effect of coupling of water and fertilizer...

Nowadays English is used to communicate not only to the native speakers but also to the non-Native English users. Instead of acquiring native-like pronunciation, ability to pronounce English with received- pronunciation and at least being understood by other users, called as intelligibility, become a...

Learning will be effective, if learning activities can achieve goals, that is, students can absorb the learning material and practice it so that they obtain the best competencies and skills. Mathematics is one of the sciences that is able to hone skills and teach students to think critically. Mathematics...

Waste is organic and inorganic materials from factories and households that are not used that can cause environmental pollution. Some of the waste that is widely found in the South Sumatra region is snakehead fishbone waste from the food industry, and coal fly ash from the Steam Power Plant. Snakehead...

The low pressure of ZnO varistor ceramics were prepared with 99.5 mol % ZnO +0.5 mol % CaCO3. Subse-quently, placed in a constant temperature conditions of 1420 for 10 h, and cooking in boiling water long enough. The microstructure of the particle size analyzed by optical microscope, the doped ZnO varistors...

Nowadays the construction and development of infrastructures required a large capital. Huge funds, sophisticated equipment and capital goods, good management and expert labors are needed. It would be difficult for every country to develop its own infrastructure without assistance from third parties....

All parents want their children to have a higher standard of living and therefore a better life than they especially had, the hope of the entire nation and the hope of the general public. Children should have appropriate needs from an early age. Fulfilling the rights and responsibilities of children...

A good quality of soap must be able to prevent the spread of pathogenic bacteria on the skin; therefore, it is necessary to add anti-bacterial ingredients such as lemongrass essential oil and tannins. The aim of this study is to produce liquid soap from castor oil and VCO with the addition of lemongrass...

In this work a new adaptive Gaussian notch filter (AGNF) with curvelet transform is proposed for removing noises from Magnetic Resonance Images. MRI images corrupted by periodic noises which are occurred because of interferences during image capturing. In general, the interferences occur due to electric...

The accuracy of variant calling in next-generation sequencing (NGS) is critical for genomic research and clinical applications. Traditional variant callers, using diverse methodologies such as haplotype- based, position-based, and pattern growth approaches, often produce discordant results due to their...

This study aims to increase the economic value of silica sand originating from mud volcano of the Lapindo well burst which until now is known as a natural disaster and caused a lot of material loss by the people of Porong Sidoarjo. In addition, the replacement of the percentage of cement composition...

The Smart Grid (SG) has widely supported the electric power from the Distributed Generation (DG). It becomes a practical standard to generate the electric power from a renewable energy into the distribution system to compensate for the power demand, especially in the peak time. However, the advancement...

Organics have an important impact on the water-holding capacity of clay, but the law and mechanism of this impact have not been studied systematically. In this paper, samples with different contents of organic matter were prepared by taking bentonite as a matrix and adding peat, and soil-water property...

As a new trend of communicative teaching methods, task-based language teaching method appeared in 1980s. The New English Curriculum Standard highly advocates the use of task-based language teaching (TBLT), in which teachers should try their best to avoid using traditional teaching method of inputting...