JavaScript Language Research Articles

FORMATION OF COMPETENCE OF INFORMATION AND COMMUNICATION TECHNOLOGY PROFESSIONALS IN THE PROCESS OF WEBSITE DEVELOPMENT FOR CONDUCTING A REMOTE INTERNET CONFERENCE

The article analyzes and highlights the current problems of training specialists in information and communication technologies in universities. It is revealed that the development of a site for remote Internet conferencing is one of the many components that help to shape the system of professional competencies of future specialists in information and communication technologies.An important place among the information technologies used by scientists in various industries, is occupied by Internet technologies. The Internet provides unlimited opportunities for every user, especially for scientific and teaching staff. For a scientist, the Internet today is a means of finding information and an opportunity to get acquainted with the publication of scientific articles in electronic professional journals, and to approve the results of research through participation in Internet conferences. In this regard, the problem of the problem of designing a site for remote Internet conferencing for IT professionals and its analysis is certainly relevant.A number of higher education institutions use modern information technology to hold conferences using remote report technology. The purpose of the article is to develop a site for conducting a remote Internet conference in the process of training specialists in information and communication technologies. When developing the software, modern web technologies were selected and substantiated: Django framework; Python language for backend development; Javascript language for frontend development; nginx as a web server; React framework for frontend development and more. The developed web service fully meets all the requirements set at the stage of setting the task and is ready for operation.

CAZymes-based ranking of fungi (CBRF): an interactive web database for identifying fungi with extrinsic plant biomass degrading abilities

Carbohydrate-active enzymes (CAZymes) are industrially important enzymes, which are involved in synthesis and breakdown of carbohydrates. CAZymes secreted by microorganisms especially fungi are widely used in industries. However, identifying an ideal fungal candidate is costly and time-consuming process. In this regard, we have developed a web-database “CAZymes Based Ranking of Fungi (CBRF)”, for sorting and selecting an ideal fungal candidate based on their genome-wide distribution of CAZymes. We have retrieved the complete annotated proteomic data of 443 published fungal genomes from JGI-MycoCosm web-repository, for the CBRF web-database construction. CBRF web-database was developed using open source computing programing languages such as MySQL, HTML, CSS, bootstrap, jQuery, JavaScript and Ajax frameworks. CBRF web-database sorts complete annotated list of fungi based on three selection functionalities: (a) to sort either by ascending (or) descending orders; (b) to sort the fungi based on a selected CAZy group and class; (c) to sort fungi based on their individual lignocellulolytic abilities. We have also developed a simple and basic webpage “S-CAZymes” using HTML, CSS and Java script languages. The global search functionality of S-CAZymes enables the users to understand and retrieve information about a specific carbohydrate-active enzyme and its current classification in the corresponding CAZy family. The S-CAZymes is a supporting web page which can be used in complementary with the CBRF web-database (knowing the classification of specific CAZyme in S-CAZyme and use this information further to sort fungi using CBRF web-database). The CBRF web-database and S-CAZymes webpage are hosted through Amazon® Web Services (AWS) available at http://13.58.192.177/RankEnzymes/about. We strongly believe that CBRF web-database simplifies the process of identifying a suitable fungus both in academics and industries. In future, we intend to update the CBRF web-database with the public release of new annotated fungal genomes.

DESIGN AND IMPLEMENTATION OF WECHAT APPLETS AIRCRAFT BATTLE

With the rise and development of WeChat applets, their convenient features are very popular with users, making their number of users develop rapidly. With the emergence of small games in WeChat applets, more and more non-game players are also attracted. This article is about a classic flight shooting game " Airplane Wars" developed by WeChat developer tools and JavaScript language. It mainly uses canvas drawing and sprite wizard to detect collisions and other functions. It can realize smooth human-computer interaction and animation rendering. It has rich game elements and high playability.

On Massive JSON Data Model and Schema

JSON (JavaScript Object Notation) is a lightweight semi-structured data format based on the data types of programming language JavaScript. It is a popular data exchange format over the World Wide Web and becomes a dominant standard format for sending API (Application Programming Interface) requests and responses in the past few years. Furthermore, JSON has also attracted attentions of database community research, especially in data intensive applications. JSON is not only can be integrated in traditional database systems, but also widely used in NoSQL database systems and graph database systems. Compared with XML, JSON document is a set of “key-value” pairs, in which the “value” itself can be a JSON document, which allows arbitrary levels of nesting, so it is more flexible to use and more difficult to process accordingly. JSON data model and schema describe the basic data structures and semantics of the underlying JSON data, so it is the fundamental and key aspects for JSON data format. JSON data model and schema are not only foundations for other data management technologies, such as data indexing, data querying, data searching, data mapping, data integrating, and data mining, but also has important theoretical significance and application prospects to provide theoretical basis and technical means for other related research, such as data integration, data conversion and other semi-structured and unstructured data queries. This paper analyzes the key problems of JSON data model and schema, including what data model should adopted by JSON and the specification and schema outline of JSON model.

Online-calculator “A calculation of baking formula” for automated workplace of operator-technologist

Calculation of recipes of dough for bakery products is a significant and routine operation. Doughing is the main stage of technological process in bakery production. The quality of both the dough and the final product is caused by baking properties of flour and also a ratio of water, yeast, salt, sugar and cooking fat. The recipe of a bakery product is developed for the purpose of its production with the required properties due to assigned amount of components. Development of the automated calculator for calculation and correction of the recipes of bakery products is explained by the bakery technologist’s daily need in calculating the amount of components. Basic data for calculation are type, quantity and humidity of the main (flour, grain products) and additional components (sugar, butter, cocoa and others), amount of flour which is used for preparation of ferment. The technique of calculation of recipes of fermented dough and non-fermented dough is considered. There are panels for the choice of a way of doughing, for setting the amount of flour and grain products, and other components, setting additional data, and the result of calculation of recipes. The data found during the calculation of the recipe of bakery products come to the database and are used for controlling the recipes, for proper dosing. The programming language JavaScript with jQuery library is chosen. Programming is carried out in free source code editor Notepad++ The source code editor developed on the basis of Java technology has a number of advantages for industrial consumers. The main advantages are independence of the hardware platform and the operating system. Besides, development of the automated online calculator accessible on any personal computer connected to Internet network simplifies considerably the technologist’s work.

Планирование миссии космического аппарата дистанционного зондирования Земли на основе открытых исходных данных

The paper introduces a non-profit program designed to improve the efficiency in the study of the Earth’s surface. The program is designed to build the orbit of an Earth remote sensing satellite, to evaluate the plan and the possibilities of surveying a region of interest on the Earth's surface. Using this program, the user can visualize the orbit of any available commercial Earth remote sensing satellite in the required period of time, evaluate and plan a survey of the certain area by a specific spacecraft. The computational part of the program is based on the SGP4 model, which uses publicly available TLE data for Earth remote sensing satellites, on spherical trigonometry formulas and heuristic methods of computational shortcut. The program is implemented as a web application in the programming languages JavaScript and PHP using the Bootstrap, JQuery and Cesium libraries.

DEVELOPMENT OF THE OPTIMIZATION MODEL OF THE INTERFACE OF MULTIMEDIA EDITION

The aim of the research work is development of a model for optimizing the interface of a multimedia publication. In this research, five levels of interaction are identified for the interface of a multimedia publication – flat surfaces, layouts, structures, feature sets, strategies. The relationship between the levels of user interaction and interface properties of a multimedia publication is analyzed. It is proposed to select interface components based on the properties of the multimedia editions they provide. In order to construct models of optimization of elements of the interface of a multimedia publication, estimates of the interconnection of elements of the interface with functional capabilities by the total matrix are used. To combine the standard models into a single interface optimization model, an analysis of the relationship between the elements of the interface of the multimedia publication and the characteristics of the multimedia publication has been conducted. According to the results of the analysis, an economical tree is constructed, which allows to build a hierarchy of the stages of optimization of the interface of the multimedia publication and to determine the input data for the implementation of the task. The definition of the input data allows to show the principle of the interface optimization model in the form of a "black" box. An algorithm for optimizing the interface element of a multimedia publication is proposed. As a result of the practical implementation of the optimization model for the multimedia edition interface, a software product, created on the basis of HTML markup using cascading CSS style stylesheets and JavaScript language, was obtained. Adobe Device Central CS5 tested the created software on devices with different characteristics.

CONTOPT-JS: Sürekli Eniyileme Problemleri için Metasezgisel Algoritmalar tabanlı bir JavaScript Yazılım Kütüphanesi

In this study, a software library called CONTOPT-JS has been developed for solving continuous optimization problems. By using this JavaScript language based library, fully client-side web applications can be developed. In the library, Artificial Bee Colony, Differential Evolution, Particle Swarm Optimization and Evolution Strategies metaheuristics exist and new algorithms and new problems can be added because of its modular design. Using the CONTOPT-JS library, experimental works have been conducted on some standard optimization benchmark functions and Sensor Deployment application area and the obtained results have been presented.

Procedural Creation of Medical Reports with Hierarchical Information Processing in Radiation Oncology

Background: For many years, the oncological doctor's letter has been the pivotal means of information transfer to general practitioners, medical specialists or medical consultants. Yet, both creator and recipient require a high level of abstraction, retentiveness and analysis due to the large number of diagnoses and therapies. In contrast to the commonly used structure of doctor's letters, where all diagnoses and therapies are listed in sequential order with all diagnoses first, it is by no means trivial to establish the important chronological and hierarchical context in the description of oncological cases. Additional aspects of importance are the integration of these letters into existing clinical and departmental information systems (for example via HL7 interface), various export formats (for example PDF, HTML), fax and encrypted email. Moreover these letters need a modern layout that, among others, meets the requirements of corporate design. Methods: The requirements for a doctor's letter system are manifold and can only be represented rudimentarily via a normal word processing system. Due to this deficiency we developed a system that covers all special features and requirements for clinical use. The system is based on a scalable and extensible client-server architecture. We use the programming languages Harbour, C++, PHP and JavaScript, Microsoft SQL database for data storage and the HL7 standard as the interface to other information systems such as hospital information system (HIS). Export formats are PDF, HTML/XML. Layouts are generated with TeX, LaTeX and MikTeX. Results: The aforementioned requirements were resolved with the doctor's letter and finding system IntDok. The hierarchical presentation of diagnoses, histologies and therapies provides the recipient with a first outline of the course of the disease. A strict procedure controls the whole process of document compilation and assists the user with many highly regarded tools such as text blocks, import and export (PDF and HTML/XML including barcodes) functions or HL7 interface to other information systems. The software also provides a sophisticated mail merging. All content from previous letters can easily be inserted into the current document. A TeX-server automatically provides document layout including supreme hyphenation so that uniform and perfect appearance (corporate design) is guaranteed. The documents are saved in a MS-SQL database (almost 230,000 documents since 1991), independent of any proprietary formats such as MS-Word. Conclusion: Creation of documents is fast, simple and well-structured. Sophisticated tools guarantee the optimal use of human resources and time. The system is an important module in our overall digital work environment.

The Simplicity of Modern Audiovisual Web Cartography: An Example with the Open-Source JavaScript Library leaflet.js

Audio files entered cartography about 25 years ago. Since the mid-1990s, several examples of audiovisual maps have been created and published. These maps cover a diverse range of applications. In terms of the sound elements implemented, four characteristic variants were mainly used: abstract sounds/sound sequences, language recordings, and music and recordings/simulations of the real soundscape. To built audiovisual maps technically, several tools of animation software solutions were intensively explored. The rising importance of the World Wide Web also increased the demand for new and modern web-based approaches of multimedia cartography. One of the core technologies of the Internet is the programming language JavaScript (JS). The language is often associated with the so-called libraries which are applied programming packages pre-written for particular purposes. In cartography, one of the most popular and widely used JS libraries is leaflet.js. This open-source library is known for its simplicity and, meanwhile, it also supports a straightforward integration of multimedia content, such as audio files. It also teams up with HTML5 and CSS3. This paper intends to give a workflow focused on how to create individual audiovisual web mapping applications based on the contemporary options offered by leaflet.js.

Application of Data Mining in an Intelligent Early Warning System for Rock Bursts

In view of rock burst accidents frequently occurring, a basic framework for an intelligent early warning system for rock bursts (IEWSRB) is constructed based on several big data technologies in the computer industry, including data mining, databases and data warehouses. Then, a data warehouse is modeled with regard to monitoring the data of rock bursts, and the effective application of data mining technology in this system is discussed in detail. Furthermore, we focus on the K-means clustering algorithm, and a data visualization interface based on the Browser/Server (B/S) mode is developed, which is mainly based on the Java language, supplemented by Cascading Style Sheets (CSS), JavaScript and HyperText Markup Language (HTML), with Tomcat, as the server and Mysql as the JavaWeb project of the rock burst monitoring data warehouse. The application of data mining technology in IEWSRB can improve the existing rock burst monitoring system and enhance the prediction. It can also realize real-time queries and the analysis of monitoring data through browsers, which is very convenient. Hence, it can make important contributions to the safe and efficient production of coal mines and the sustainable development of the coal economy.

Detection of Infection Sources for Avian Influenza A(H7N9) in Live Poultry Transport Network During the Fifth Wave in China

Numerous studies have demonstrated that exposure to live poultry or live poultry markets is the significant risk factor for human infection with avian influenza A(H7N9). However, the specific live poultry markets that are major infection sources for A(H7N9) human cases have not been explored in detail. In this study, we extract data associated with poultry farms, live poultry markets and farmers' markets from Baidu Map using the JavaScript language and then construct the live poultry transport network. From this, we establish our A(H7N9) transmission model over the network based upon probabilistic discrete-time Markov chain. On the basis of the obtained network and model, we propose spatiotemporal backward detection and forward transmission algorithms to detect the most likely infection sources and to compute the first arrival times of the infection sources. Our simulations use these algorithms to identify the specific locations of the infection sources, the first arrival times of the infection sources and the most likely transmission map of the A(H7N9) virus along the live poultry transport network. The results reveal that, in addition to the hazards posed by the live poultry markets, backyard poultry also contributed to A(H7N9) human infections; this risk source was significant especially in the newly affected provinces, in the fifth wave of infection. In particular, by analyzing the temperature characteristics at a given location when the infection source arrived, we find that the risk of human infection with the influenza A(H7N9) virus was high under 9°C~19°C; moderate under 0°C~9°C or 19°C~25°C; and low for temperatures 25°C. Our results suggest that strengthening the supervision of the live poultry market system and immunizing poultry at both live poultry markets and the backyard poultry operations under the high risk temperature band of 9°C~19°C, will be able to significantly contribute to the control of avian influenza A(H7N9) in the future.

Применение информационных технологий в фармацевтическом консультировании

The article presents a software program for standardization and optimization of pharmaceutical consulting on a specific disease in the pharmacies. It was developed using Visual Studio Code built on Electron platform and JavaScript language. The structure and logical sequence of the software was based on the previously developed algorithm for pharmaceutical consulting of pharmacy visitors in choosing medicines for the treatment and prevention of lower extremity varicose vein disease (without ulcers and inflammations). The software program can be used to increase the level of information and communication services in the retail segment of the pharmaceutical market.

Complexity estimation by using multiparadigm approach: a proposed metrics and algorithms

The factors upsetting directness of a software code were calculated manually using traditional approach which is not suitable in these days. There are numerous software tools are available in the market but they are not reliable due to vast number of metrics are available and each and every metrics are not specific definitions. This paper investigated factors which are affecting for understanding the procedural and object oriented code and found that software metrics can be calculated by using the web-engineering technology especially multiparadigm language. The most important parts of this paper are propped algorithms for estimating an object-oriented metrics. The planned metrics were empirically authenticated in diverse paradigms. The exigent task of this paper is all about the evaluation strategy of an object-oriented metrics by using multiparadigm language (JavaScript). The proposed model is developed to analyse the CK metric suite. This model extracts the number of classes available in the Java Script programs. Basically this model works in two different phases. In first phase the parser is able to find and generate the full abstract syntax tree and second stage the identification of the classes and generated the metrics itself.

ОНТОЛОГИЧЕСКИЙ РЕПОЗИТОРИЙ УСЛУГ СИСТЕМЫ МОМЕНТАЛЬНЫХ ПЛАТЕЖЕЙ

In this article the authors consider the task of creating a unified semantic description of services for the instant payments system. For this type of system, there are two types of customers: people and providers of goods and services. The paper analyzes the requirements of payment system customers. Requirements allows to formalize manageable and nonmanageable parameters as well as performance indicators. The concept of a service and the process of providing services in an instant payment system is formalized. An ontology of services and software for working with ontology are developed. The software includes a repository of the instant payment system and a module for creating services. Protégé editor is used to develop an ontology. Additionally, in the article the developed ontology is studied from cognitive ergonomics point of view. The high-level programming language JavaScript was used to develop software. The innovative part for instant payment systems is the use of ontologies to create a common information space for all participants in the process of providing financial intermediation services.

Signalling servers for WebRTC technology with the use of node.js run-time environment

Web Real-Time Communications (WebRTC) technology is an enabler of native transmission of multimedia information between two and more Web browsers. WebRTC is based on HTML version 5 (HTML5) and JavaScript languages. Although both real-time media streams (audio, video) and non-real-time non-media flows (also present in WebRTC architecture) are transmitted directly between browsers, to enable transmission of information necessary for session management (and more precisely: session establishment) purposes, a signalling server is needed. Such server may be regarded as a rendezvous point of end systems that use WebRTC technology. In this paper, node.js run-time environment and principle of building of Webrtc signalling server with the use of scripts written in JavaScript and run in node.js are presented. Example of script of a simple signalling server also is shown. The exemplary server connects users of one and only session, although this session may serve not only one-to-one, but also many-to-many connections. Despite its simplicity, this is a fully functional signalling server, able to serve signalling messages for purposes of message ex-change, or for purposes of initialization of WebRTC-based Internet telephony or simple conferencing systems.

Development of an Accounting Skills Simulation Practice System Based on the B/S Architecture

Nowadays, companies are more in need of accounting professionals with both theoretical knowledge and practical abilities. However, the traditional accounting teaching model in colleges and universities cannot train students in both aspects. In order to improve the practical abilities of accounting major students in colleges and universities and promote the accounting teaching upgrade and reform, this paper proposes an accounting skills simulation practice system based on the B/S architecture, aiming at improving the comprehensive abilities of accounting students and teaching efficiency. The technical roadmap of this system adopts the B/S as the network architecture of the teaching system, HTML and Java Script language as the system programming language and MySQL database as the data storage and management database. The system consists of user administration, knowledge base management, teaching content management, practical test score management and other modules, which not only achieves the self-evaluation on the full set of accounting skills, but also improves the accounting teaching efficiency and helps teachers gain more control over the teaching process. This study can serve as some guidance to colleges and universities in cultivating innovative and practical accounting talents.

Usability analysis of AngularJS framework in the context of simple internet application

The goal of this article was to perform analysis of usability possibilities of frontend framework AngularJS compared to native programming language JavaScript, on which it is based on. Several framework funcionalities were chosen and set together with self implemented solutions in JavaScript. Comparison was made according to specified criteria: usage simplicity, possibilities of utilization and reusability. Created scripts confirm accepted assumptions, that in JavaScript it is possible to write simplified and reusable implementations of useful mechanisms, which are present in AngularJS.

Algorithm of classification based on fuzzy logic with expanding number of outputs

In this article the problem of automatic generation of a knowledge base which consists of production rules for training dataset using fuzzy logic methods and a rule for comparing the values of an output variable is considered. An algorithm for the formation of fuzzy production rules is proposed. An actual problem of development and improvement of artificial intelligence algorithms and fuzzy logic application for solving a wider range of problems is considered. With the help of such systems are possible to eliminate the difficulties of formalizing knowledge about technological processes; also it is possible to organize recognition of nonstandard and emergency situations without using precise mathematical models and classical decision theory based on the tool of mathematical equations. The development of this area is relevant, as the number of tasks are constantly increasing, and the amount of knowledge becomes too large to handle them manually. The construction of an exact mathematical model for poorly formalized objects and processes are very difficult task, due to the lack of complete information. The situation becomes even more complicated if the properties of the object or process change dynamically. Therefore, the development of mathematical methods and algorithms that allow structuring the system of rules and determining the order of their calls to control consistency and completeness to optimize the number of rules, are an actual task. Modern approaches to the automation of these processes are considered. These approaches significantly improve the work of expert systems, but they allow to work only with static knowledge bases, limit the number of logical inferences and are not applicable for cases when it is necessary to add new logical rules to the existing system. In this article, an approach is developed that makes it possible to expand the knowledge base of the expert system with new rules in the process of exploitation. The developed algorithm has following advantages: high speed of problem solving; the ability that allows expanding the number of system responses without changing the scope of the rules and the program itself; expanding the range of application of fuzzy logic algorithms. The developed algorithm has following disadvantages: if the system's response database has objects that are similar to each other, they can have the same center of gravity, which in turn leads to additional checks; the minimum distance for mapping the object should be selected experimentally. The application of this algorithm can be seen on the website of the program, which classifies, maps an arbitrary user in a set of comic book characters database "CMD - Combat Marvel DC" [8]. The approach that was proposed has been successfully implemented using the C/C ++ and JavaScript languages, and JSON open-standard file format that uses human-readable text to transmit data objects consisting of attribute–value pairs and array data types. Software that was used for development: NetBeans IDE, MinGW, GNU Compiler Collection, WhiteStarUML, GitHub, WebGL, Chrome, Mozilla Firefox, Opera

Land Use Change Detection and Prediction Using Markov-CA and Publishing on the Web with Platform Map Server, Case Study: Qom Metropolis, Iran

To achieve sustainable development, detailed planning, control and management of land cover changes that occurs naturally or by human caused artificial factors, is essential. Urban managers and planners need a tool that represents them the information accurate, fast and in exact time. In this study, land use changes of 3 periods 1994-2002, 2002-2009, 2009-2015 and predictions of 2009, 2015 and 2023 were assessed. In this paper, Maximum Likelihood method was used to classify the images, so that after evaluation of accuracy, amount of overall accuracy for images of 2013 was 85.55 % and its Kappa coefficient was 80.03%. To predict land use changes, Markov-CA model was used that after assessing the accuracy, the amount of overall accuracy for 2009 was 82.57% and for 2015 was 93.865%. ThenWebGis application was designed via map server application and evoked shape files through map file and open layers to browser environment and for design of appearance of website Css, HTML and JavaScript languages were used. HTML is responsible for creating the foundation and overall structure of webpage but beautify and layout design is on Css.