Advances in Computer Science Research

In the age of big data, one of an important means to develop industry, science and technology in China is to explore the dynamic information solution based on big data. With popularization of smart phones and mobile terminals and wide coverage of networks of 3G/4G/WIFI, the data related to every one...

It is of great necessity to explore a method to seek for a wrecked plane in the sea. In this paper we think of a static situation and establish a model that can be applied to quickly search the plane fallen into different oceans. Firstly, we develop a parabola model to simulate the process of plane falling....

The generalized finite element software Autodesk Simulation is used to simulate and analyze the hooks, and the distribution of stress and displacement changes is obtained. The dangerous cross section of hook is analyzed and studied theoretically, which provides the necessary theoretical basis for structural...

There is a problem in the process of data analysis, which is related to their extraction and preparation. This problem is the consequence of a necessity for integration of heterogeneous structures both in structure and format. The technical solution to this problem is to use ETL-systems that automate...

The normal accident prediction models can’t predict the occurrence of major accidents very well, so the cusp catastrophe model of major accidents is set up on the base of ideas of black swan and catastrophe theory. In the model, the main factors of major accidents are regarded as the controls parameters...

With the development of software technology, software is becoming increasingly essential in our daily lives. However, there are more and more sorts of pirated software. Therefore, we need to figure out an effective method to prevent plagiarism, protect intellectual property and so on. Software homology...

In this paper, modeling a weakly nonlinear system whose nonlinearity is up to the second order is studied. During this task a second order Hammerstein series model is used because it can lead to a trade-off between computational cost and generalization ability. To extract such model form measured input-output...

The samples with a length of 50mm and cross section area of 20mm2 were machined from extruded P/M Nickel-base superalloy billet and the isothermal deformation tests were carried out at constant strain rate in a vacuum environment using the Thermecmastor. All the samples were deformed to a true strain...

With the development of biometric identification technology, fingerprint identification technology was used widely in the fields of attendance, entrance guard and mobile payment due to its advantages of security and reliability. Now Fingerprint locking technology has also been developed rapidly in intelligent...

At present, the index of the effect evaluation of reservoir ecological operation cannot fully and systematically reflect the impact of the operation on the river ecosystem, and there is a lack of a complete and widely applicable index system. From the composition of river ecosystem, taking full account...

Artificial intelligence and internet of things (IoT) fields have contributed to the flourishment of the industry 4.0 concept. The main benefits include the improvements in terms of device communication, productivity, and efficiency. Nevertheless, there is a downside concerning the security of these systems....

In the context of artificial intelligence and algorithmic influence on media ecology, what kind of impact will hosting communication face? When considering news production, news ecology, and news media in the era of intelligent media, it is necessary to weigh the pros and cons of artificial intelligence...

Companies donating a certain amount of money to a selected cause responding to each consumer purchase is known as cause-related marketing (CRM) that has become very popular and has grown exponentially in the past few decades. However, when faced with pandemic threat, what happens to consumer preference...

Cardiovascular diseases (CVDs) are responsible for a significant number of deaths worldwide and are one of the leading causes of mortality. The main types of CVDs include coronary heart disease, rheumatic heart disease, and congenital heart disease. This article employs logistic regression to investigate...

Information about rainfall is very necessary for the country of Indonesia which bears the title of an agricultural country. This is because the agricultural sector is very vulnerable to climate change, where rainfall is one indicator of climate change-related to crops. Therefore, an accurate rainfall...

Energy consulting for private homes can make a sig-nificant contribution to achieving energy efficiency targets. The success of energy consulting, which means as much as that the con-sulting leads to real energy savings, depends not only on socioeco-nomic, environmental, structural and technical factors...

This paper based on the specific needs of the university library, analyzes construct necessity, feasibility and technical solutions to select automatic recommendation system for books, and a brief introduction of collaborative filtering algorithms, in particular the correlation calculation and different...

The multi-scale display of digital imaging and communications in Medicine (DICOM) is the important step of detecting the lesions and making the radiotherapy plan. It is achieved by the dynamic regulation of the multi-scale display which also is called window operation to observe the organ tissues with...

This paper, by using Chinese customer satisfaction index evaluation model, conducted research on the evaluation of customers’ satisfaction towards B2C E-commerce enterprises and presented the customer satisfaction evaluation results for six enterprises with higher market occupation. The evaluation results...

Stock composite indexes prediction is an important issue in the financial world. A back propagation neural network (BPNN) with mind evolutionary algorithm (MEA) developed for the prediction of prices on Shanghai Stock Exchange is presented. The optimum weights and threshold values of BPNN are determined...

Regulation of monetary policy may not achieve desired effect. Consistency between commercial bank credit behavior and monetary policy orientation can greatly affect the effectiveness of monetary policy from the perspective of China. In the paper, possible influence of several commercial bank credit behaviors...

In information system, 2D geographic information has insurmountable shortcomings. It is difficult to meet people's demand for 3D real information. With constant development of scientific and technological information, 3D visualization system emerged. 3D visualization system is to solve problems that...

Birds often disturb the normal operation of transmission lines during their activities in the nature. Now, it is common to rely on workers that check, identify and remove bird's nests on transmission lines, but their observation is less efficient and geographically limited. This paper proposes a solution...

As the leader of the case teaching, teachers play an important role in the successful implementation of case teaching. In this paper, we propose three-roles of teachers including gatekeepers, guides and the presenters through analyzing some key problems in the process of implementing case teaching. And...

Multiscale entropy (MSE) has attracted many applications in revealing the complexity of bio-signals since its introduction in early 2000. To better understand the MSE method, a lot of researchers have been working on its analytical solution. The existing analytical solutions are limited either to bulky...

Recent companies should pay significant attention to customer requirements so as to rapidly respond to market needs and changes. C2B is the reverse model of the traditional Business-to-Customer e-commerce strategy which enables consumers to name products or services such that the organization can generate...

The multipath interference affects the navigational accuracy of the Microwave Landing System (MLS), which threatens the landing security of planes seriously. The common methods of the multipath interference suppression are realized on the electromagnetic modeling of the airport environment, which have...

The application of agricultural greenhouses is more and more extensive, while the air temperature and humidity and other environmental factors in greenhouses need to be regulated carefully by people as yet. This article designed a monitoring and control system for greenhouses to adjust the factors automatically,...

NoSQL database breaks the traditional relational model, stores data in a free way, provides a new access interface, and overcomes the shortcomings of traditional RDBMS. NoSQL database can be deployed on cheap hardware, supporting distributed storage, and transparently extending nodes. This paper analyzes...

Chronic kidney disease is a global health problem that requires early diagnosis for effective management. According to a WHO survey, in Indonesia alone it is estimated that around 70,000 cases occur each year, while the percentage increase in cases will occur by 46% from 1955–2025. Early detection of...

With the rapid development of the market economy, scientific and technological innovation has become an important factor affecting market competitiveness. Establishing a team of high-tech innovative talents has a direct impact on the development of China’s agricultural economy. The evaluation of agricultural...

SDN (Software Defined Network) is the important part of Future Network, and the OpenFlow soft switch which separates the control plane from the data plane is the key instrument. While there is less research on the performance model of SDN, and also less research on experimental methods of performance...

As we enter the deep submicron era, the steadily shrinking feature sizes make charge sharing much easier among physically adjacent nodes in integrated circuits, which ultimately results in DNU (Double Nodes Upset). In this paper, we propose a 16-transistor memory cell. Hspice simulation shows this cell...

The drilling mud-filtrate invades into a reservoir is a dynamical process after a formation was opened in oil exploration. Since the invasion profiles of formation resistivity vary with time, the invasion depth is related to time. The fluid flow equations were used to calculate the invasion profiles...

In order to overcome the disadvantages of the existing negative pressure adsorption methods, a new structure of non-gas source negative pressure adsorption is proposed. On the basis of this structure, a physical prototype was made. According to the motion model of the prototype, the stability condition...

Development of inclusive finance driven by digital technology brings us benefit, risk and challenge. The increasingly obvious difficulty of protecting rights and interests of financial consumers is new challenge brought by digitalization. As digital inclusive finance is an emerging topic, research on...

An approach for object detection based on mathematical morphology is proposed in this paper. The features of objects are extracted through the analysis of images, and structuring elements with different shapes and sizes are selected according to the aim of experiments. After the image preprocessing,...

Design the technologies for data acquisition of embedded mobile terminal, data transmission and synchronization of embedded mobile terminal and the server and establishment and maintenance of the server database. Solve the shortcomings as difficulty in data acquisition of data synchronization, complicated...

Recent years, municipal sludge received more and more attention as a kind of negative by-product of the urbanization. The technology of dewatering plays a critical role in the sludge handling process. However, domestic academic research in the field of dewatering is not sufficient at present .The dewatering...

In this paper, based on the PV module performance parameters, five performance points of PV module are obtained by calculation. Based on five points, the curve of performance is generated by shape-preserving interpolation on the computer. The algorithm better describes the electrical characteristics...

Although faster image decoding method is more important and useful, in some special applications, the controllable decoding process may be required. In the case of making fixed point unchanged, the paper made the fixed parameters of compression mapping into variable parameters, adjusted these parameters...

Local Binary Pattern (LBP) algorithm is a classical algorithm in the field of face recognition. It can capture local detail features, but its robustness and recognition rate are easily affected by external environmental changes.In this paper, an improved LBP algorithm which combines Euclidean distance...

Urban air pollution is one of the most urgent problems to be solved in the process of China’s economic development and urbanization. Aiming at the spatial-temporal evolution problem of air quality in Henan province, this paper, based on the daily average data of urban air quality index of Henan province...

The aggregation of residents' private data drives improvements in the smart homes, however it comes with compromising on privacy. Hence, privacy preservation has become an increasing requirement for residents. Since users might have different privacy requirements, and their privacy requirements might...

Aiming at the problem of shear damage of shearer ranging arm caused by thermal load and force load, the ranging arm shell of the drum shearer is taken as research object, the mechanical properties, temperature field distribution and thermal characteristics of the ranging arm shell are carried out. Based...

Hourly particulate matter time series data from eight air quality monitoring stations in Peninsular Malaysia were forecast by using the Convolutional Neural Network (CNN) algorithm. Instead of using the original time series, which are time-domain sequence data, this study used the time-frequency domain...

Based on UWB positioning technology, an emergency training system for indoor radiation accidents is designed in view of the problems such as low level of actual combat in emergency training. The system can flexibly construct radiation accident scenarios required for emergency training through the combination...

With the development of science and technology, modern electronic products are becoming more and more lightweight, and tend to miniaturization. Switch the equipment also put forward higher requirements, the use of light touch switch to replace the traditional mechanical switch has become a trend, that...

Through the practice teaching of the course Real Variable Function and Functional Analysis>, that most students find difficulties in learning, we discuss the cause, optimize the content, try different kinds of teaching methods, improve the examination system and correspondence with other mathematical...

Based on the theory of investment risk assessment of Urban Commercial Complex and combined with domestic and foreign scholars research, investment risk of Urban Commercial Complex is predicted and evaluated qualitatively and quantitatively by the use of Analytic Hierarchy Process, Gray Theory, Fuzzy...

In this article we consider one of the tools for managing a single industry town - a method for its social and labor relations sustainability assessment. We describe a mathematical model of calculating the integrated index and give instant assessment examples.

A network generated by randomly rewiring the edges of an original network on some constraint conditions is called the null model of the original network. It’s a useful tool for revealing some mechanisms affecting the topology of networks. As the scales of networks become larger and larger, time consumption...

Appliances garbage not only has a lot of harmful substances, but also has a high economic value of precious metals gold, silver, copper, etc. It can be recycled to reduce pollution and achieve recycling of resources. TV sets, refrigerators, mobile phones and other electronic products also contain lead,...

The purpose of this paper is to improve low voltage ride through (LVRT) capability of doubly fed induction generator (DFIG).First, this paper gives expressions of the stator flux and rotor current during the grid fault occurrence and clearing by solving the mathematical model of DFIG. The results of...

The training of traditional SVM method requires the solution of quadratic programming, and consumes high memory and has low speed for large data training. Incremental learning is one of the meaningful methods to continuously update the data for learning, which keeps the previous learning results, re...

In this study, the research results at home and abroad on the basis of semantics, through the establishment of the Russian verb semantic pattern of combing and significance patterns, to analyze the performance of syntactic distribution, description of the Semantic - syntactic patterns, and as the basis...

Currently, the setting of JAVA can not meet the need of enterprises’ employment demand. In this paper, we divide the JAVA learning process into four stages: basic knowledge, junior programming, web development, and senior programming. Step by step, we will introduce the students into in-depth understanding,...

The panoramic autonomous navigation mobile robot is a kind of intelligent mobile device which simulates the human brain route planning and uses the technology of laser radar and SLAM technology. The premise of intelligent mobile is to model the environment. Environmental modeling needs positioning, which...

This paper mainly studies the background difference method in the field of intelligent traffic, proposes a background modeling method base on frame difference, and compares it with the statistical average background model and Gaussian distribution background modeling method. Vehicle contour obtained...

The three-stage DEA model is used to eliminate the environmental influence and random interference, according to variable scale compensation (〖BC〗^2) research and evaluation of logistics efficiency in east China from the perspective of investment. In this paper, 5 environment variables, especially education,...

In recent years, with the continuous development of the Internet, the construction of hospital informatization has achieved remarkable results in improving the mode of medical treatment, promoting refined management, improving patient satisfaction, and improving the efficiency of medical care. Mobile...

Due to the frequent safety accidents, the pressure and challenges faced by colleges and universities are growing increasingly. At the same time, higher requirements are put forward to meet the occupational safety needs and strengthen the crisis consciousness on the construction of safety culture. Through...

Aim at the current problems that tourism GIS cannot provide individual service to meet the needs of tourists, this paper brings forward sight spot buffer model based on tourists' interests and needs. Firstly, sight spot classification model is set up and all the sight spots are coded. According to tourists'...

With the network circle group becoming the mainstream form of college students’ online social communication, the accompanying subculture phenomenon has attracted the attention of researchers and business managers. The spread of big data collection and analysis technology has helped operators shape and...

In recent years, the operating costs of Chinese Internet enterprises have increased significantly, and the growth rate of operating profits has maintained double digits. In 2021, China's Internet enterprises above Designated Size achieved a total operating profit of 132 billion yuan, an increase...

Many knowledge points of Material Mechanics are abstract and difficult to understand for students in vocational colleges. In practical teaching, some students questioned the torsional resistance formula of hollow shaft. In order to solve students’ learning doubts, this paper proposes a solution using...

Wi-Fi wireless technology obtained rapid development because of its flexibility, mobility and easy scalability characteristics. But the network identifier (SSID,BSSID) is easy to be forged, the attacker is easy to forge AP that a common user can't identify it, and conduct other attacks, then get the...

In the booming higher education today, lab construction has become an important job for personnel training in universities. Universities must accelerate the experimental teaching reform, strengthen its laboratory management and community-oriented development to cultivate innovative talents. In this paper,...

An effective algorithm for global abnormal detection from surveillance video is proposed in this paper. The algorithm is based on sparse representation. To deal with the illumination change in video scenes, specific feature extract methods are designed for corresponding illumination conditions. In the...

In the current Liquid State Ammonia Nitrate Storage Tank System, the traditional PID temperature control is used mostly. By controlling the flow of heating steam valve, the outlet temperature of the liquid state ammonia nitrate storage tank can be controlled. However, during the production process, much...

A recommendation system is increasing important in online video application, news recommendation and electronic commerce especially in search engine. Recommendation on search engine are more related to hundreds of million users like Google, Bing and Baidu. Our proposed filtering solution is based on...

The selection of the primary-standby DTR(digital tracking receivers), usually depends on the indicators of the system. But this cannot avoid instability of the whole tracking system in satellite communication. For this, new method of quantitative analysis is used in this paper. By using the principle...

The consumer shopping attitudes was divided into hedonism / utilitarian from the psychological point of view in this paper.The paper also discussed how retail terminal can implement differentiated marketing and promote consumer satisfaction based on the analysis of consumer hedonism / utilitarian attitude.

In the study, the AVL-FIRE software had been adopted to numerical effect analysis on combustive process of the engine. The result shows that numerical simulation results are consistent with the tested pressure, ignition point of ignition diesel is 2 ø CA ATDC, ignition point of natural gas is 2.25 ø...

The civilization of China has a long history of more than 5000 years. Through the ages, it has vicissitudes and accumulations of culture much more than any other countries in the world. The 5000 years of history leaves us not only the old days to be remembered, but also the accumulation of culture and...

Construction of a mathematical model is carried out and the tracking supply control system is considered on the basis of a local quadratic criterion using the state estimates and model parameters. A system of restrictions is proposed that allows to avoid both excess and insufficient volume of goods in...

In order to realize the personalized recommendation of internet mass data, according to the characteristics of internet mining data set and combined with mathematical algorithms, this paper proposes a new forecasting and computing model of adding the regularization constraint and least square method...

When multiple virtual routers in identic logic network cohabit a shared router platform of physical network, this paper proposes an Interiorly Fast Forwarding Technique (IFFT) based on study of Open Shortest Past First (OSPF) and investigation in generation of FIB. This technique is proved in which reducing...

Ships are characterized by complex structure and poor operation environment. It is very important to monitor the health state of the ship structure. In the paper, one-way and three-way optical fiber sensors in ship structure monitoring are designed and produced. Related values are simulated. Related...

This paper presents a low-power, single-stage, and variable-gain controlled double-balanced type RF receiver front-end, called DB-LMV cell, by merging low-noise amplifier (LNA), mixer, and voltage-controlled oscillator (VCO) exploiting a series LC (SLC) network. The low intermediate frequency (IF) or...

HEC-RAS is a very powerful and practical software which was developed by the Hydrologic Engineering Center. In this paper, this software is introduced to calculate the backwater height which is caused by a floating bridge on the yellow river. We can easily obtain the backwater height through using this...

The technologies of spacecraft Prognostics and Health Management (PHM) are researched from the architecture and communication protocol. Firstly the spacecraft PHM system is proposed to build with the mode of orbit-ground coordination three-level closed loop. Then, the communication protocol of PHM for...

In March 2015, the 12th session of the National People's Congress, the third session of the opening of the conference, Premier Li Keqiang proposed the "Internet +" plan. After that, Internet financial became a hot issue nowadays. On the other hand, because of traditional bank credit set a relative strict...

Postpartum period is the period after the fetus and placenta are born until the recovery of uterine devices such as the condition before pregnancy which lasts for about 42 days. During the puerperium, the body of a mother will experience physiological changes in the physical and psychological changes....

Mataram University Academic Information System (SIA UNRAM) is software built and managed by UPT PUSTIK to make it easier for users to manage various academic data and academic information at Mataram University. Although the system has been developed, the users still discover the system's lack of...

This study enhances Titanic survival prediction through advanced feature engineering and ensemble model optimization. The Titanic dataset presents a classic binary classification problem requiring the prediction of passenger survival based on demographic and ticket information. Our methodology employs...

To sort out the relevant research results of embodied cognition theory, interaction characteristics of the elderly, and product interaction design, to deeply understand the theoretical mechanism of embodied cognition, cognitive characteristics of the elderly, and key points of product interaction, and...

Logstash, Elasticsearch, Kibana, log management, LEK

As the development of economic construction, China has paid more and more attention to electrical energy, especially in the requirement and development of clean energy. Wind power, as a supplying channel of clean energy, has been developing rapidly in China's coastal waters recently. However, with the...

To study epicenter intensity model of aftershock, regression analysis on 68 sets data of main shocks and their aftershocks have done, epicenter intensity linear model has researched. According to analysis of earthquake parameters such as peak ground acceleration (PGA), ground motion duration, spectrum...

The collaborative filtering techniques is applied to cost estimation of software projects in the paper, and four methods to calculate similarity in collaborative filtering are introduced which are cosine similarity, Euclidean distance, adjusted cosine similarity and correlation correction similarity....

Like any other forms of decision analysis that involve multiple criteria, project selection is an unstructured, complex decision problem with lots of aspects that must be taken into consideration. A hybrid method combining fuzzy analytic hierarchy process (FAHP) and the technique for preference by similarity...

Traditional sport belongs to our brilliant culture. Nowadays, people have had an increasingly complete knowledge about traditional sports; and meanwhile majors of traditional sports have been constantly set up in colleges and universities, aiming to achieve a sound development of traditional physical...

The multi-core processor integrates more than one computing core into a single processor and enhances the processor's computing performance through parallel computing of multiple cores. Single-chip multi-processor architecture is the area of concern. This paper briefly discusses the CMP multi-level Cache...

Emergencies in cities, which happen from time to time, greatly affect the normal operation of the traffic network, and even cause traffic congestions. Combined with the impact of the emergencies on the node transmitting capacity, a dynamic model of traffic network was established on the basis of the...

Artificial intelligence (AI) technology is advancing at an unprecedented rate, and it has already changed the face of retail and the shopping experience, improving personalization and customer engagement. Fret not as current AI driven solutions for retail tend to be confined to their cause, whether it...

This article takes the renovation project of old residential areas in Panjin, Liaoning as an example to explore the innovation and practice of renovation projects in old residential areas under the EPC model. Through in-depth analysis of the renovation mode, renovation concept, and renovation content...

This paper mainly introduces unmanned ship technology and the frontier technology of artificial intelligence, especially the Q-learning algorithm in machine learning. It mainly describes how the machine learning algorithm in artificial intelligence technology be applied in unmanned ship technology, so...

Objective: Alpha-fetoprotein (AFP) is an oncofetal antigen during hepatocellular carcinoma (HCC) development which could lead to weak reproducible antitumor immunity, and may act as a target for cancer therapy. Therefore, it is imperative to enhance its immunogenicity and develop therapeutic vaccines...

Faceted search is a kind of exploratory search, which is the complementary of keyword search. The current faceted search techniques display all facets. When there are plenty of facets, they are not available. Existing facet recommendation approaches mainly select facets according to the experts’ experience...