Advances in Computer Science Research

Biological treatment with sulfate-reducing bacteria (SRB) has been considered as the most promising alternative for acid mine drainage (AMD) pollution control. Here we reported some characteristics of SRB, which was isolated from sulfate rich and low pH waste water. It was a sulfate-tolerant bacterium....

Base cavity configuration is a useful choice to reduce the base drag of projectiles. This paper interests in the influence of the cavity length on the projectile with base cavity. Base cavity with different length, including terminal one, were investigated numerically. The flow field parameters (Mach...

The study of dynamic trust measurement is a hot spot in the current field of trusted computing. In this paper, aiming at the shortcomings of the chain in the trusted measurement model, we try to dynamically measure the data security of the current entity with the extension of the data check on the trusted...

For the differential game about the pollution emissions control problem among countries, we apply Shapley value to allocate the total payoff of all countries. The important contribution of this paper is the establishment of a time-consistent imputation distribution procedure so that the initial agreement...

The transaction scheduling problem of graphic database is researched. The reasonable arrangement of the database transaction commit is taken in order, and the fitting first heuristic algorithm and artificial fish swarm algorithm are combined. The graphic database transaction scheduling problem in the...

Though recommendation systems have been widely used for websites to generate new recommendations based on like-minded users’ preferences, IEEE Internet Computing points out that current system can not meet the real large-scale e-commerce demands, and has some weakness such as low precision and slow reaction....

Geographical Spatial Information; Service Components; Spatial Database; Service-oriented; Comprehensive Query

Electric spring has a lot of advantages like simple control and without needing a lot of energy storage, which is applied to the load side by means of suppressing voltage fluctuation caused by the reactive power fluctuation. The simulation model with electric spring is built by using the software of...

With the development of social productivity and the improvement of people's living standard, the development of modern computer technology is more and more fast. In the communication system, the code error detector is the important equipment to detect reliability of communication system, and the traditional...

This paper considers a full-duplex two-way relaying (FD-TWR) system, where two terminals transmit and receive simultaneously with the help of a full-duplex relay node. We propose the transmission scheme for decode-and-forward (DF) protocol using the differential binary phase-shift keying (DBPSK) modulation...

Breast augmentation surgery is a way to improve the beauty of female body shapes. Based on magnetic resonance imaging (MRI) images of patient's breast providing real simulation data for breast augmentation surgery, this study investigated the effects of two different shapes of implants with the same...

Forward and backward substitution method has been used as the power flow calculation method of any low voltage distribution network, and therefore utilization rate of electrical energy of the lines, transformer and line loss are obtained. These are the datum to assess the reliability of low voltage distribution...

SVM parameter selection determines the performance of its learning and generalization ability. As many in the choice of the number of selectable parameters, blindly searching optimal parameters in a number of parameters are required tremendous time cost , and it is difficult to obtain the optimal parameters....

In order to correct the middle value of VHF propagation loss, plan tactical wireless communication network well and guarantee quality of communication, this article firstly contrasts applicability of deterministic models and statistical models in background of tactical wireless communication. Then, for...

This paper brief describes the necessity of the promotion and introduction of digital empowerment in cares and its significance. It facilitates the main composition and functions of the cares cloud computing. It highlights some development trends and thus concludes also some practical knowhow.

Machine learning is an emerging trend which has proven to learn automatically from past data. Machine learning can be performed using various ways like supervised, unsupervised, reinforcement learning. Machine learning where system computer system learning from the data set available. Machine learning...

Sentiment analysis, often referred to as opinion mining, plays a crucial role in the field of natural language processing by computationally analyzing text to extract sentiments or opinions. It has become essential in understanding public sentiment, evaluating customer feedback, and identifying market...

Fixed point theory plays a crucial role in solved real world problems in terms of nonlinear problems or differential equations for a suitable mapping. In numerous problems, it is difficult to find an exact fixed point for some contractions mapping. Hence, it is necessary to develop numerical algorithm...

Investment plays an important role in promoting the development of both the country and enterprises, and the corporate income tax burden has an impact on corporate investment, and the investment behaviors of enterprises in different life cycle stages are also different. In order to investigate the impact...

Population aging is an objective trend of current social development and a problem that most countries generally face, meanwhile it is also a major issue that China must face and solve in its modernization. Under the background of the implementation of the national strategy to actively respond to the...

The change of user habits, the intelligentization of mobile devices, and the development of new media have pushed the TV industry into a multi-screen era. While the discussion over TV programs by the Internet users keeps heating up, feedbacks from the social media have made a great influence on the content...

Based on some assuming and definition, this paper propose a method of calculate a hidden area, and path is planned based on the hidden area and vehicle forward movements type in case of hidden area exist or not, this method is easy and practicality, it can used in people's path planning also.

An adaptive fuzzy network method is proposed for measuring flexible truss deformation by using situ strain in this paper. The relation matrix between strain and arbitrary deformation nodes of truss is first derived by using inverse finite element method. Based on the elements of matrix, strain measuring...

Using information technology such as search engine for collecting and monitoring of network public opinion is a practical and effective method. This paper puts forward an improved algorithm of SVM classifier based on incremental learning online, and then implements a topic crawler system for network...

Medical ethics is from the special relationship between doctors and patients in medical work. It is the subject of solving the medical ethics issues and phenomena in the process of medical practice and development using the general ethics. It is both part of the medicine and part of ethics. In this paper,...

Paper presents some aspects regarding the strategy made by companies, the effort of the top management to be profitable. Beginning with some definitions, in the other hand it is presented from a synergetic point of view, a study case for company performance, in the way to be competitive, durable, with...

The Hyperloop system is a novel conceptual system aimed to provide a high speed public transportation service in the future, featured with a reduced-pressure tube in which pressurized capsules ride on a cushion of air that is driven by a combination of linear induction motors and air compressors. The...

The unique characteristics of the supercavitating vehicles is different from the traditional underwater vehicles. For the supercavitating vehicles with nonlinear time-delay dynamics model which containing unmatched uncertainties, the backstepping attitude tracking controller is designed based on backstepping...

This research proposed centralize controlling system that can help to track missing pilgrims during Hajj season by using the wide spread GPS, GPRS and Arduino UNO Microcontroller. The system under study is planned to provide the facility to pilgrims, Ministry of Hajj and the law and peace enforcement...

The paper focuses on various planning theories in Operations research. As the warehouses, workstation and marshalling yards are scattered across EMUs maintenance base with a long distance, and materials are not allowed to be stored in the workshops for a long time, under strict maintenance requirements...

This paper proposes an adaptive over-segmentation meth-od for image copy-move forgery detection. Firstly, the Adaptive Over-Segmentation algorithm is proposed to adaptively segment the host image into non-overlapping and irregular blocks. Then the feature points are extracted and matched with each other...

In the paper,we will mainly discuss the individualism and collectivism transition in Chinese college students. We select the data from three groups-after 70’s, after 80’s, after 90’s. Then we use the empirical modeling method, after hypothesis&testing, we got the results: (1) In general, Chinese college...

In order to study the scale-free of more and more real-life networks, we design, construct a class of compound network models by the methods of graph theory for understand and try to simulate network models from Internet of Things (IoT), and we computed the parameters of models, such as: average degree,...

In order to ensure the security of the wireless network, Wi-Fi Alliance uses stream cipher algorithm RC4 to encrypt data in the security protocol WEP/WPA. RC4 is a fast algorithm but easy to break. To solve the problem, WPA2 is proposed which uses block cipher algorithm to improve the anti-crack ability...

APT (Advanced Persistent Threat) is a persistent and complex network attack pointing to clear targets. The concept became one of the hot topics in the information security industry after Google admitted to severe hacker attacks in 2010. Big data analysis provides a good data base for APT detection. This...

Different topological structure between real and p-adic fields provides a distinct condition for solution of equations or system of equations. For example, the equation $$x^{2} + 1 = 0$$ does not have solution over real field but it has solution over p-adic field for $$ p \equiv 1\left( {\bmod 4} \right)$$....

While artificial intelligence and machine learning greatly improve cyber security, their limitations lead to the possibility that they can have both positive and negative, even unpredictable ,concomitant effects on cyber security, i.e. they simultaneously present opportunities for attackers to also evolve...

Knowledge in complex systems (supply networks or inter-organisational networks) is refined, among others, through dialogue, discussion, common experiences and observations. Such aÿknowledge evolves from dispersed knowledge into a single, consistent resource, difficult to imitate or duplicate in a different...

in this paper, we propose the criteria and classifications of key management schemes in wireless sensor networks, and provide a survey on the key distribution management schemes including basic key pre-distribution schemes, polynomial based key distribution schemes, location based key distribution schemes...

The construction of Bachu art information resources includes the analysis of the contents and requirements of Bachu art information resources, the analysis of the types of Bachu art information resources and technical means, and the construction of Bachu art database. The construction of Bachu art database...

This article mainly describes a new approach to realize precise synchronization between master clock and slave clock. To improve the IEEE 1588 synchronization precision, Kalman filtering algorithm is applied based on the application of Ethernet. Four state machines are used to accelerate the process...

As the focus of research into a second language acquisition has been transferred from teachers to learners, more and more people begin to realize the important role of emotional factors on the success of a second language acquisition in the process of teaching foreign languages. During the teaching process,...

With the continuous development of mobile Internet, mobile learning arises at the historic moment, learners can make use of the hands of the mobile terminal equipment at any time, anywhere. As a new type of mobile terminal equipment - the device, with its good characteristics such as portability, mobility,...

Agility is arguably one of the most important characteristics of successful Information Age organizations. The study of agility organizations is currently one of the hottest topics in the organization study field. In this paper, we first put forward an agile command and control (C2) organization model...

The problem of data security is one of the main problems plaguing the development of cloud computing, in view of the current cloud computing user data safety storage applications demand increase, need to greatly improve the data read-write efficiency problems, put forward the use of symmetric encryption...

The high frequency and high voltage capacitor was designed and tested and produced with precision technology. The film winding machine was installed and installed to produce new designed capacitors. By winding capacitor core, MPP (Metalized Film on Propylene Film) and PP (Propylene Film) or Aluminum...

The use of waste from both industrial and agricultural sources or from the construction sector itself as alternative materials to partially or totally replace the aggregates or agglomerates of concrete/mortar has been an interesting option for obtaining eco-efficient cement compounds. The most commonly...

When using Fast Fourier Transform (FFT) to perform spectrum analysis on frequency modulated continuous wave (FMCW) radar signals, there are problems of barrier effect and spectral leakage. In order to keep away from barrier effect and improve precision of frequency estimation, we propose a method that...

Microstrip antennas have become the key of recent research and they are commonly used in wireless communications because of its mini size, low profile. This paper uses HFSS software to design a dual band circularly polarized microstrip antenna for navigation system which based on circular polarization...

With respect to the training program of software engineering specialty, this paper puts forward the comprehensive training platform of Chinese character dictation competition based on Android, and clarifies the purpose and main contents of the comprehensive training platform. Based on the hardware and...

Purpose: To study the effect of hypobaric hypoxia on the oxidative-antioxidant system of volleyball players, and to provide a safe and reliable clinical treatment for cardiovascular disease. Method: Eight volleyball athletes trained on low altitude and low oxygen in a plateau on May 12, 2017 were listed...

The rapid development of computer technology, communication technology, sensing technology and other new technologies, Internet of Things (The Internet of things) is becoming a reality. Radio frequency identification technology (Radio, Frequency Identification RFID) as a key technology to build the "Internet...

To adapt the IT curriculum to the requirements of the IT industry skills, several methods have been proposed. Among them is the method of mining job advertisement data to find skills that are being sought by the industry. However, so far no significant research has focused on providing recommendations...

This paper examines how learning models affect change in students’ critical thinking skills. Blended learning is a learning method that combines the face-to-face learning process in the classroom with learning using e-learning. Blended Learning Model makes students feel flexibility in their learning...

Shield construction of subway tunnel is located in underground closed operation, and the frequent occurrence of safety accidents will lead to the loss of personnel safety and project benefits. This paper determines the quantitative index and weight based on the triangular fuzzy function-entropy weight...

In today’s big data era, the management and analysis of data is by far the most important. And the graphical visualisation of data can fully reflect the correlation between data. The dataset studied in this paper is the price of cars and fuel consumption in Australia in 2017. The cost-effectiveness of...

The research design used was both qualitative and quantitative. The sample size determined was 450; these included undergraduates, graduates, and newly employed personnel who had a brand sense. Simple random technique was used in the administering of the questionnaire. Descriptive and inferential statistics...

This paper presents two kinds fully differential operational transconductance amplifier (OTA) circuit, one is a flipped voltage follower circuit structure (OTA1), the other is a source follow circuit structure (OTA2). The two OTAs' transconductance can all be accurately set by the control voltage. Two...

Because an AC speed regulating system is abstract and complex, the study on practical teaching method based on MATLAB software is quite necessary in the AC speed regulating system course at our university. The permanent magnet synchronous motor (PMSM) vector control system is taken as an example to explain...

Often it is not enough to get only a quantitative assessment when evaluating the current financial status of the enterprise and identifying its bankruptcy risk level. It is important to know how each index involved into bankruptcy risk assessment varies from standard and how the risk level can change...

This paper describes the advantages and disadvantages of various models to establish methods and EEG localization problem in the head model used and the source model, focusing on research and analysis of the latest developments to solve the problem of EEG localization algorithm principle, and finally...

Cable sealing is the key to cables installed in sub-vehicles. The existing cable sealing materials include rubber, polytetrafluoroethylene (PTFE), graphite, etc., among them polyurethane shows high potential of changing property. In this paper, we analyse the physical and chemical properties of three...

Porphyrin and its derivatives are widely investigated for cancer therapy because of their high selectivity to cancer cells. By labeling gamma and beta emitting-radionuclides to a porphyrin which selectively binds to the cancer tissue will produce a safe and potential radiopharmaceutical. The present...

Simulation results from using the cellular automata as an example of defects on the surface of austenitic stainless steel 08Cr18Ni10Ti are presented in this paper. Practically confirmed the feasibility of the proposed method for simulation modeling of corrosive process of steel in neutral environments.

Computer network technology has been popularized in social development, and it plays an important role in various fields. In order to adapt to and promote the development of colleges and universities, it is necessary to improve the efficiency of university archives management. It is necessary to adopt...

Xiangnan University put forward "Five 'One'project" construction plan in the implementation of the Ministry of education "Guidance on carrying out guiding some undergraduate colleges to transform and develop the university of applied technology in the pilot reform" . In "Five 'One' project" implementation...

The Amazon has the world's largest tropical forest and about the half of all freshwater in the world. The construction of the wire guided communications systems is denied byinternational environment regulation because the Amazon is a worldwide protected area.Satellite communications systems represents...

This paper investigates optimal network recon?guration problem considering data uncertainties, with the integration of distributed generation (DG) in distribution grid. The proposed network reconfiguration formulation is formed as a multi-objective optimization problem. Through normalization of each...

Sustainable society is connected with common action for better quality of the human environment and life, as well as comprehensive management of the natural resources. The paper highlights 45 years methodological experiences of problem solving training based on interdisciplinary case studies in different...

The technology of SAR image ship target detection and identification is pivotal for accurately guiding weapon to discover the specific target and locking it. Based on extensive research literature, classical processes of ship target detection and recognition in SAR images are summarized and reviewed,...

Wavelength division multiplexing passive optical network (WDM-PON) is an important alternative technique for 5G mobile fronthaul due to the large bandwidth and low latency. Wavelength and bandwidth allocation algorithm is very important in WDM-PON. In this paper, a dynamic wavelength and bandwidth allocation...

In this paper, a novel varactor-tuned microstrip bandpass filter consisting of two dual-mode open loop resonators was proposed. The two open loop resonators are placed diagonally to prevent the occurrence of resonance between them. No coupling exists between the operating odd-mode and even-mode. Based...

This study constructs an assessment index applicable to the vulnerability of the traffic environment population in Taiwan. Apply BIG DATA to analyze the case area with a radius of 500 meters, such as Zhongxiao Fuxing Station (women, children), National Taiwan University Hospital (aged), Yongan Market...

An edge magic total (EMT) labeling of a graph G = (V, E) is a bijection from the set of vertices and edges to a set of numbers defined by λ: V ∪ E → {1,2, …, |V| + |E|} with the property that for every xy ∈ E, the weight of xy equals to a constant k, that is, λ(x) + λ(y) + λ(xy) = k for some integer...

This research paper focuses on real-time sentiment analysis of social media content for brand improvement and topic tracking. With the advent of social media, customers can easily express their opinions and emotions about a brand or product. As a result, businesses need to monitor social media channels...

Shunt active power filter (APF) has become the most effective tool for harmonic control in the industrial field because of its excellent performance. But in the field operation of APF is very complex, all kinds of interference factors of certainty and uncertainty always exist, the reliable operation...

Big data analysis technology is getting more and more popular among various enterprises, government departments and other institutions. With the help of huge amount of data, network users' behaviour in cyber space can be vividly described. This paper first introduces the status of research on user profile,...

The efficiency of remediation of seepage containing uranium using phosphate as PRB material was investigated by batch experiment and column experiment. The batch experiment showed the uranium concentration in leachate was gradually decreased with the increase of Ca3(PO4)2 dosage and contact temperature,...

Innovation is the soul for the progress and development of a nation and the cultivation of innovative ability shall be dominant in any industry. Under the background of quality education, the primary task of education industry is to improve students’ innovative ability so as to implement the strategic...

The face recognition technology is to analyze the target image and detect the characteristic information of the face. It is used widely in peoples life and its' basis is face location technology. In this study, several methods of face location technology are analyzed and compared. A face location method...

The article analyzes the neuroevolution of the problematic issues - a promising approach for solving complex problems of machine learning neural networks, adaptive management, and multi-agent systems, evolutionary robotics, search game strategies, computer art. The authors propose a neuroevolutionary...

It’s very common to use the skin texture of gray level co-occurrence matrix to calculate the four most representative eigenvalues of human facial skin image: energy, moment of inertia, correlation and entropy. To test whether the four eigenvalues can represent the skin texture information, the article...

In this paper, we consider an electromagnetic wave impinging upon a rough surface under impedance boundary condition (IBC), which means that the rough surface is highly-conducting. This work focuses on the two-dimensional rough surfaces, and uses the method of Moments as the numerical method. Finally,...

SSL protocol is essential in network security. This paper evaluates the security of SSL protocol by a fine-grained analysis method based on freshness identifiers and proposes the causes of two kinds of MITM attacks under the circumstance of admitting the difficulties of building a trusted session key...

Based on data of high-tech zones in Hebei province, by using principal component analysis method, the development of emerging industries in Hebei province is comprehensively measured by 4 indexes, including rate of enterprise industrial output value(y1), total corporate profits(y2), output value of enterprises(y3),...

Sentiment classification on weibo has recently attracted wide attention in research community. Most previous works are focused on weibo comments regarding movies or products. Our study, in contrast, is aimed at gusty incidents on weibo. Comments of the incidents are considered either positive or negative...

With the development of Internet and information technology, the traditional greenhouse environmental monitoring system operation is not stable. This paper designed a greenhouse intelligence remote monitoring system based on Web. The system used B/S architecture to realize real-time monitoring and adjusting...

According to the transport characteristics of PM2.5 and adjoint assimilation scheme, a PM2.5 adjoint assimilation model was constructed. Two ideal distributions of PM2.5 initial field were prescribed by the pollution condition of Chinese mainland. Experiment results indicated that mean absolute errors...

Car sequencing problem is a auto-production-scheduling problem that meets certain conditions on the production line of cars.In this paper, we propose an algorithm, ACO-sequencing, on solving car sequencing problem based on ACO which introduces the two kinds of structure of pheromone. By comparing the...

The paper investigates the problem of searching for firm's costs function which minimizes the industrial risk of the firm. The framework considers the fiscal penalties for the environmental damage and the civil action penalties for individuals’ property damages. We analyze an influence of the production...

On the basis of widely reading papers published in the 13 core Chinese journals recently and with methods of literature review, expert interview and questionnaire, this paper points out the problem concerning regression in sports research, such as the model examination, the content of the case study,...

With the development of computer network technology, big data is deep in the society. It has a strong era and application, and has produced application effects in various fields. Mapping and geographic information technology is also produced under the highly developed background of information technology....

This project brings forward the design of the remote WiFi investigation of network and forensics system for police based on Raspberry Pi. It can realize remote control in a few hundred meters away, and aim at the traffic data in the suspects' WiFi networks to gather the evidence. The contents of the...

Emulsion type lubricants made from mineral oil, animal oil, plant oil and surfactant with its good comprehensive lubrication performances commonly used in water-based drilling fluids. However, the stable preparation techniques and the stability improvement techniques of the emulsions have been the two...

The purposes of this paper are to lower the energy consumption in the wireless sensor network and to prolong network life cycle. Based on the maximum power a node can transmit, a multi-hop routing algorithm is proposed in this paper on the basis of gradients. We conducted a simulative experiment on the...

The catapulting device is widely used in the aerospace field. In the process of simulated impact test of a certain type of missile, a design method of the pulley group ejection device is proposed for the test system with large load mass, large impact speed and short acceleration time, which elaborates...

Location-based services are growing in popularity due to the ubiquity of smartphone users. The availability and validity of location-based services are often effected by mobile user location contexts, which make mobile location-based services testing becomes one urgent and challenging issue. In this...

Because loess dam is greatly affected by the amount of water, the requirement on the power performance is higher, therefore, it can adopt field sampling of indoor physical and mechanical test and analysis as the method, through permeation, direct shear and triaxial experiment of dam soil permeability...

Efficient information sharing and exchanging are becoming increasingly important , but model heterogeneity hinder the communication and collaboration from different enterprises. To solve this problem, a semantic mapping method based on ontology structure graph is put forward in this paper. The requirement...

Triaxial creep test, was conducted on Yan'an Q2 loess under different moisture contents and confining stresses. The creep strain-time curves were obtained. Based on the test results, the stress levels, confining pressures, and moisture contents were all found to have great impact on the creep properties...