Modern Web Technologies Research Articles

The Light Source Metaphor Revisited—Bringing an Old Concept for Teaching Map Projections to the Modern Web

Map projections are one of the foundations of geographic information science and cartography. An understanding of the different projection variants and properties is critical when creating maps or carrying out geospatial analyses. The common way of teaching map projections in text books makes use of the light source (or light bulb) metaphor, which draws a comparison between the construction of a map projection and the way light rays travel from the light source to the projection surface. Although conceptually plausible, such explanations were created for the static instructions in textbooks. Modern web technologies may provide a more comprehensive learning experience by allowing the student to interactively explore (in guided or unguided mode) the way map projections can be constructed following the light source metaphor. The implementation of this approach, however, is not trivial as it requires detailed knowledge of map projections and computer graphics. Therefore, this paper describes the underlying computational methods and presents a prototype as an example of how this concept can be applied in practice. The prototype will be integrated into the Geographic Information Technology Training Alliance (GITTA) platform to complement the lesson on map projections.

Beyond X.509: token-based authentication and authorization for HEP

X.509 certificates and VOMS have proved to be a secure and reliable solution for authentication and authorization on the Grid, but also showed usability issues and required the development of ad-hoc services and libraries to support VO-based authorization schemes in Grid middleware and experiment computing frameworks. The need to move beyond X.509 certificates is recognized as an important objective in the HEP R&D roadmap for software and computing, to overcome the usability issues of the current AAI and embrace recent advancement in web technologies widely adopted in industry, but also to enable the secure composition of computing and storage resources provisioned across heterogeneous providers in order to meet the computing needs of HL-LHC. A flexible and usable AAI based on modern web technologies is a key enabler of such secure composition and has been a major topic of research of the recently concluded INDIGO-DataCloud project. In this contribution, we present an integrated solution, based on the INDIGO-DataCloud Identity and Access Management service that demonstrates how a next generation, token-based VO-aware AAI can be built in support of HEP computing use cases, while maintaining compatibility with the existing, VOMS-based AAI used by the Grid.

GRACC: GRid ACcounting Collector

The OSG has long maintained a central accounting system called Gratia. It uses small probes on each computing and storage resource in order to collect resource usage. The probes report to a central collector which stores the usage in a database. The database is then queried to generate reports. As the OSG aged, the size of the database grew very large. It became too large for the database technology to efficiently query to generate detailed reports. The design of a replacement requires data storage that could be queried efficiently to generate multi-year reports. Additionally, it requires flexibilityto add new attributes to the collected data. In this paper we will describe updates to the GRACC architecture in the last 18 months. GRACC uses modern web technologies that were designed for large data storage, query, and visualization. That includes the open source database Elasticsearch, message broker software RabbitMQ, and Grafana and Kibana as data visualization platforms. It uses multiple agents that perform operations on the data to transform it for easier querying and summarization.

Important Role of ICT in Library and Information Science Education with Special Reference to Dr. C.V. Raman University Kota Bilaspur - A Case Study

This paper presents a study of library and information science (LIS) Education With special reference to Dr. C.V. Raman University Kota Bilaspur – A case study and information communication technologies (ICT). ICT has shown a great impact on the services of the libraries. Today libraries are using it for better services and fulfill the user needs. The use of ICT has greatly revolutionized the ways in which information can be accessed by all those in need today technology is becoming a powerful tools for communication and as a mean research for learning in Education area role of the teacher training in the process of Educational innovation and the Implementation of ICT. ICT in library and information science Education it moved to more student centered learning as world is moving rapidly toward digital information Universities need ICT based library and information science (LIS) Curriculum and to adopt to modern web technology. Library and information science (LIS) education and skill in the knowledge Era. The paper focus use of E-library Resources by student, researcher library staff, non teaching staff faculty members of Dr. C.V. Raman University Kota, Bilaspur. Information Communication Technologies (ICT) facilitate the process of identification, storing, processing of identification, collection and dissemination of information. The library and information science professional are utilizing ICT to keep pace with the problem of information explosion.

Development of a VR capable virtual laboratory framework

The aim of this paper is to introduce the design steps and implementation details of a system, which combines modern web-technologies and open-source simulation software to create a virtual laborat...

Design of online control and monitoring software for the CPPF system in the CMS Level-1 trigger upgrade

The concentration preprocessing and fan-out (CPPF) system is one of the electronic subsystems of the upgraded Compact Muon Solenoid (CMS) Level-1 trigger system. It includes, in hardware, eight specially designed CPPF cards, one CMS card called AMC13, one commercial Micro-TCA Carrier HUB (MCH) card, and a Micro-TCA shelf. Powerful online software is needed for the system, including providing reliable configuration and monitoring for the hardware, and a graphical interface for executing all actions and publishing monitoring messages. Further, to control and monitor the large amount of homogeneous hardware, the SoftWare Automating conTrol of Common Hardware (SWATCH) concept was proposed and developed. The SWATCH provides a generic structure and is flexible for customization. The structure includes a hardware access library based on the IPbus protocol, which assumes a virtual 32-bit address/32-bit data bus and builds a simple hardware access layer. Furthermore, the structure provides a graphical user interface, which is based on modern web technology and is accessible by web page. The CPPF controlling and monitoring online software was also customized from a common SWATCH cell, and provides a finite state machine (FSM) for configuring the entire CPPF hardware, and five monitoring objects for periodically collecting monitoring data from five main functional modules in the CPPF hardware. This paper introduces the details of the CPPF SWATCH cell development.

MULRECON: A Web-based Imaging Viewer for Visualization of Volumetric Images

Recent developments in web technology allow pixel-level manipulation of radiologic images. This paper presents an easily accessible imaging viewer for visualization of volumetric datasets which leverages modern web technology. The viewer is designed to enable on-the-fly multiplanar reconstructions with different projectional techniques, and these can be manipulated as in a Picture Archiving and Communication System. The application opens up possibilities for teaching and demonstrational purposes. Step-by-step instructions for how to use are provided and the source code is made available.

The Status of Web Mapping in North American Higher Education

Most maps are now consumed online, yet colleges and universities struggle to keep their cartography and GIScience curricula up to date with the use of modern web technologies. I present a qualitative interview study aimed at providing insight into current teaching practices, along with challenges that may hamper the uptake of web mapping technologies in the classroom. The study involved interviews with 20 instructors of web mapping courses at colleges and universities in the United States and Canada. Participants were asked about the overall vision for their web mapping courses, the scope of material covered, what specific topics are included, which web technologies they use and why, their preferred teaching pedagogy, and what challenges they have experienced. The results highlighted several strategies that cartography and GIS instructors can use to implement or increase the inclusion of web mapping in their curricula.

Where's My Parking Lot?

In this issue of GIS Trends we redefine how libraries can provide spatial information and plunge into the world of mobile maps. To help solve the problem of parking lot overcrowding, we learn how one library has used GIS data, network analysis and modern web technologies to create a unique application designed to connect drivers with the parking spot that is right for them.

The Value of Modern Web Technologies in Customer Service Library Institutions

The Value of Modern Web Technologies in Customer Service Library Institutions

Огляд деяких мережевих сервісів компанії Google

The article contains the overview of modern information web technologies (web 2.0) provided by Google's services, enabling users to create and distribute their own content on the Internet, identify opportunities and advantages of using them. Cloud computing as a model of providing convenient network access in the “on demand” mode to a set of shared computing resources, such as networks, servers, data warehouses, applications and / or services that users can quickly apply for their tasks has been defined in the article.The attention has been focused on the following models:- SaaS (Software as a Service);- IaaS (Infrastructure as a Service);- PaaS (Platform as a Service);- DaaS (Desktop as a Service).It is defined the advantages of using Google Apps in the information and educational space, including reliability, individualization of access, filtering of unwanted content, centralized administration, a large amount of disk (cloud) space provided to users, Ukrainian language interface and more, have been identified.The key services of use are the mail service Google Mail (G-mail) (http://www.mail.google.com); the drive Google Drive (http://www.drive.google.com) is a cloud-based repository for storing files with free storage up to 15 GB; the cloud print Google Cloud Print (http://www.google.com/cloudprint/); the documents Google Docs (http://www.docs.google.com); the spreadsheets Google Sheets; the translator Google Translate (http://www.translate.google.com) and many others have been recommended by the authors of the article. Analytical calculations in the article allowed to determine that the integration of the software for information and educational space and modern cloud technologies make it possible to create a personal user account containing documents, letters, events, contacts and other content created or directly related to his educational activities. In addition, thanks to cloud technologies, such as Google Apps, it is possible to reduce the cost of maintaining online education facilities and increase the quality and availability of their learning resources.

The influence of modern web technologies on the development of a new kind of thinking

The influence of modern web technologies on the development of a new kind of thinking

Architecture of a spatial data service system for statistical analysis and visualization of regional climate changes

The use of large geospatial datasets in climate change studies requires the development of a set of Spatial Data Infrastructure (SDI) elements, including geoprocessing and cartographical visualization web services. This paper presents the architecture of a geospatial OGC web service system as an integral part of a virtual research environment (VRE) general architecture for statistical processing and visualization of meteorological and climatic data. The architecture is a set of interconnected standalone SDI nodes with corresponding data storage systems. Each node runs a specialized software, such as a geoportal, cartographical web services (WMS/WFS), a metadata catalog, and a MySQL database of technical metadata describing geospatial datasets available for the node. It also contains geospatial data processing services (WPS) based on a modular computing backend realizing statistical processing functionality and, thus, providing analysis of large datasets with the results of visualization and export into files of standard formats (XML, binary, etc.). Some cartographical web services have been developed in a system’s prototype to provide capabilities to work with raster and vector geospatial data based on OGC web services. The distributed architecture presented allows easy addition of new nodes, computing and data storage systems, and provides a solid computational infrastructure for regional climate change studies based on modern Web and GIS technologies.

EVALUATION OF TRANSPORT FLOW EFFICIENCY ON THE BASIS OF TRAFFIC MOVEMENT DATA

The paper considers a method for evaluation of transport flow parameters and determine an efficiency of variants concerning organization of traffic movement and provision of qualitative transportation. A method for evaluation of main traffic flow parameters while using a two-fluid mathematical model of Herman – Prigogine has been developed and it is based on passive processing of navigation data for road transport facilities on highways and urban road and street networks. The main advantages and novelty of the method (in contrast with the traditional usage of a mathematical model of Her- man – Prigogine on the basis of active processing of navigation data) are the following: a passive treatment of GPS-tracks and support of their formats that make it possible significantly improve quality and adequacy of the model results; cloud com-puting (usage of cloud storage for storing large bulk of data); presence of client mobile application for Android operating system which is used for data collection in addition to operation with already collected navigation data from navigation and information center and other sources; application for calculation and processing of modern web technologies; scalability and configurability of the system. Efficiency of the proposed algorithms, mathematical models for evaluation of transport flow parameters and system as a whole have been proved in the process of their approbation while using a set of tracks on main highways of Belarus

WeBCMD: A cross-platform interface for the BCMD modelling framework

Multimodal monitoring of the brain generates a great quantity of data, providing the potential for great insight into both healthy and injured cerebral dynamics. In particular, near-infrared spectroscopy can be used to measure various physiological variables of interest, such as haemoglobin oxygenation and the redox state of cytochrome-c-oxidase, alongside systemic signals, such as blood pressure. Interpreting these measurements is a complex endeavour, and much work has been done to develop mathematical models that can help to provide understanding of the underlying processes that contribute to the overall dynamics. BCMD is a software framework that was developed to run such models. However, obtaining, installing and running this software is no simple task. Here we present WeBCMD, an online environment that attempts to make the process simpler and much more accessible. By leveraging modern web technologies, an extensible and cross-platform package has been created that can also be accessed remotely from the cloud. WeBCMD is available as a Docker image and an online service.

WeBCMD: A cross-platform interface for the BCMD modelling framework.

Multimodal monitoring of the brain generates a great quantity of data, providing the potential for great insight into both healthy and injured cerebral dynamics. In particular, near-infrared spectroscopy can be used to measure various physiological variables of interest, such as haemoglobin oxygenation and the redox state of cytochrome-c-oxidase, alongside systemic signals, such as blood pressure. Interpreting these measurements is a complex endeavour, and much work has been done to develop mathematical models that can help to provide understanding of the underlying processes that contribute to the overall dynamics. BCMD is a software framework that was developed to run such models. However, obtaining, installing and running this software is no simple task. Here we present WeBCMD, an online environment that attempts to make the process simpler and much more accessible. By leveraging modern web technologies, an extensible and cross-platform package has been created that can also be accessed remotely from the cloud. WeBCMD is available as a Docker image and an online service.

Interactive Web-Based 3D Wellbore Viewer Enables Collaborative Analysis

Summary Wellbore visualizations are often depicted by use of 2D perspective views. This approach is limited and potentially misleading. Of particular interest to rod-pumping and progressing-cavity pumps is the amount of side loading placed on the rod string throughout the wellbore. By illustrating the trajectory of a wellbore in 2D, some nuanced geometries can be easily lost. For example, a “corkscrew” wellbore, or any other complex wellbore geometry, can be very difficult to depict through simple perspective views. A corkscrew is best visualized at a specific camera angle where the shape is apparent. This best viewing angle is generally not at the simple 90° angle where typical 2D perspective views are generated. Distributed wellbore-visualization tools can be applied to both the design and analysis of pump installations. Interactive and shared views help to identify points in the well where problems may occur, or have occurred. Strategic placement of downhole equipment such as pump depth relative to perforations and historical fluid levels can be performed in a more intuitive way, taking into account a more accurate understanding of the geometry in a given well. The use of standards-based modern Web technologies enables the rapid deployment of such a tool to both desktop and mobile devices. The 3D graphics acceleration was previously only available in the Web browser through plugins and other third-party software installations. The 3D graphics can now be rendered natively in most modern Web browsers without the need for any additional software installation. Examples of such native visualizations can be found in Fig. 1.

Current trends in using web-technologies in libraries

Trends in modern web-technologies and their application in libraries are analyzed. Services and options offered by Internet-based retrieval systems, bookselling systems, and foreign academic and research resources aggregators are reviewed. Key functions of J-IRBIS2.0 - web-oriented solution based on IRBIS64 LAS designed to facilitate and simplify search and use of individual fulltext and multimedia library resources are highlighted. The author examines the efficiency of J-IRBIS2.0 module from the viewpoint of the Order No. 636 of the Ministry of Education and Science of June 29, 2015.

SynMap2 and SynMap3D: web-based whole-genome synteny browsers

Current synteny visualization tools either focus on small regions of sequence and do not illustrate genome-wide trends, or are complicated to use and create visualizations that are difficult to interpret. To address this challenge, The Comparative Genomics Platform (CoGe) has developed two web-based tools to visualize synteny across whole genomes. SynMap2 and SynMap3D allow researchers to explore whole genome synteny patterns (across two or three genomes, respectively) in responsive, web-based visualization and virtual reality environments. Both tools have access to the extensive CoGe genome database (containing over 30 000 genomes) as well as the option for users to upload their own data. By leveraging modern web technologies there is no installation required, making the tools widely accessible and easy to use. Both tools are open source (MIT license) and freely available for use online through CoGe ( https://genomevolution.org ). SynMap2 and SynMap3D can be accessed at http://genomevolution.org/coge/SynMap.pl and http://genomevolution.org/coge/SynMap3D.pl , respectively. Source code is available: https://github.com/LyonsLab/coge . ericlyons@email.arizona.edu. Supplementary data are available at Bioinformatics online.

SmartR: an open-source platform for interactive visual analytics for translational research data

SummaryIn translational research, efficient knowledge exchange between the different fields of expertise is crucial. An open platform that is capable of storing a multitude of data types such as clinical, pre-clinical or OMICS data combined with strong visual analytical capabilities will significantly accelerate the scientific progress by making data more accessible and hypothesis generation easier. The open data warehouse tranSMART is capable of storing a variety of data types and has a growing user community including both academic institutions and pharmaceutical companies. tranSMART, however, currently lacks interactive and dynamic visual analytics and does not permit any post-processing interaction or exploration. For this reason, we developed SmartR, a plugin for tranSMART, that equips the platform not only with several dynamic visual analytical workflows, but also provides its own framework for the addition of new custom workflows. Modern web technologies such as D3.js or AngularJS were used to build a set of standard visualizations that were heavily improved with dynamic elements.Availability and ImplementationThe source code is licensed under the Apache 2.0 License and is freely available on GitHub: https://github.com/transmart/SmartR.Supplementary information Supplementary data are available at Bioinformatics online.