This website uses cookies to ensure you have the best experience. Learn more

Structure Of Web Based Ums Using Soa

1212 words - 5 pages

Basically, a Browser/Server (B/S) model is adopted in the system design where nearly all computing load is located on the server side, while the client side is only responsible for displaying. In this project, SOA is used to facilitate data communication and interactive operations for the reason that each web service is an independent unit in SOA. The general structure of the web-based UMS using SOA is described as follows (Figure 2). In Figure 2, the server side is composed of GIS web service providers, an image cache server, a web server and a firewall.

Figure 2. Structure of web-based UMS using SOA
In response to the two basic types of urban data at the City of Windsor, two GIS web service providers are devised, respectively a vector data service provider and an aerial photo service. Web service providers are computer servers to publish maps. The vector data service provider is an Object-Relational Database (ORD) based server where all GIS vector data is stored and indexed. The aerial photo service provider is a RDMS based server. High resolution aerial photos are stored in RDMS as pyramid images that can accelerate data distribution at different scales. ArcSDE, a middleware that can facilitate data management, data transfer, and data interaction in one RDMS or among RDMSs, is used to help the data communication between the database servers and map servers.
In order to enhance the efficiency, an image cache server is placed in this system. Maps are usually static, but most map servers render WMS data every time they are queried. This situation can result in unnecessary processing and increased waiting times. In this UMS, an image cache server is added to store all map tiles. When a user requests a map from the cache server, the map server does not have to process the request again, but, instead, responds with a cached image. As a result, computing load on servers can be significantly reduced. Once tiles are stored, the process of map rendering can be speeded up many times for a more seamless user experience.
The web server is used to receive requests from online users and send response back to them. For the network security, a firewall is installed between the image cache server and the web server to prevent internal systems from unauthorized attacks from the internet. One of the greatest advantages of this design is that only an internet browser is required on the client side to display interface and requested responses.
4.1.GIS Web Service
The crucial component in SOA is web service (Reviewed in Section 2.2). Specifically for this project the web service consists of vector data web service and aerial photo web service. The vector data web service provider provides vector data web services and the aerial photo web service provider provides aerial photo web services.
4.2.1Vector Data Web Service
To construct vector data web service provider, PostgreSQL and GeoServer are utilized (Figure 3). Vector data is originally in Shape format....

Find Another Essay On Structure of Web-Based UMS Using SOA

The Advantages of Web-Based Businesses for Entrepreneurs

540 words - 2 pages Starting and maintaining a successful business is the dream of all entrepreneurs. Today’s advancements in technology have created new opportunities for business owners to get closer to this dream. The Web has been the most effective tool in creating new opportunities for business owners. An entrepreneur should be more successful by starting, marketing, and operating a Web-based business. The first reason an entrepreneur should be more

The Pros and Cons of Web-based Courses

1440 words - 6 pages Advantages and Disadvantages of Web-based Courses There is no doubt that Web-based courses have distinct advantages over traditional face-to-face interactions. Simonson, Smaldino, Albright, & Zvacek (2003) maintain that Web-based courses are available at the learners’ convenience, are usually self paced, contain current information, accommodate a variety of learning styles, maintains equity for all learners, and can even save money in

The health effect of Using Social Networking Web Sites

1076 words - 5 pages they are using it in order to avoid health problems. Social networking web sites make us more isolated, and that could be a reason for health problem. Dr. Aric Sigman (2009) said: “Increased isolation could alter the way genes work and upset immune responses, hormone levels and the function of arteries. It could also impair mental performance.” This change on genes and hormone levels could cause health problems like cancer, strokes, heard disease

The Advantages of Using Web 2.0 Tools in Education

1797 words - 7 pages intimidating however, the educators surveyed did admit that with proper training and education, the tools would be valuable in the classrooms. What Educators Know Recently, an unpublished survey was conducted using to poll educators who work in the schools. Interestingly many of my fellow co-workers who are in the preschool setting did not even know what Web 2.0 is. The survey was divided in its results as those who are currently

Working capital structure of Web Solution inc.: Financial analysis, Business Model, Market analysis of Pakistan

3180 words - 13 pages development efforts.Increases marketing to assure future customers are aware of our offerings and aggressive pricing.Expand our base of operations (using wholesale providers, partnerships, and other mechanisms).Perform research and development to bring new products to market.MissionThe mission of Web Solutions is to provide customers with a complete solution to all their current and future Internet and private network needs.Web Solutions has

Security based volt/var control in distribution system in presence of distributed generators using teaching-learning-based optimization

925 words - 4 pages problem in the presence of distributed generation. For example, Niknam et al. proposed a price based approach for volt/var control in distribution system using Distributed Generation (DG) units [4]. Zare et al. present a multiobjective volt/var control in distribution network including renewable energy resources for environmental and economic management. The objective function of this model, including conflicting functions; i.e. the electrical energy

Genetic structure and differentiation of four populations of Afghan Pika (Ochotonarufescens) based on mitochondrial cytochrome b gene in Iran

611 words - 3 pages and are panmictic by nature (Goodman, 1997) The results of this paper can create a framework for planning effective management strategies for populations of Afghan Pika in this region. It seems that, agricultural development and natural barriers among isolated habitats did not decrease gene flow of the Afghan Pika populations in Northern Khorasan province. It must be mentioned that our results were obtained using the single-locus data of mtDNA. To confirm this information, other analysis based on nuclear locus markers or even other mitochondrial markers with high number of individuals is needed for planning further investigation on Afghan Pika populations.

Team based management is essential for better organizational control. However introducing team based management is not possible without affecting the structure and culture of an organization

1651 words - 7 pages Team-Based management is a new and powerful management operating system that can apply to any business-both service and industry. The system is generic and can apply to most any kind and size of organization. Now in competitive business environment team based management is essential to achieve the organizational goal. To introduce team based management system, organization should also create such environment, culture and structure to which this

Research Paper: The research on using a Tethered Agonist Approach to Map the Structure of the Receptor

857 words - 3 pages techniques to more easily understand the structure and function of membrane proteins. Background: Understanding the integral membrane proteins of neurons and excitable cells is often difficult because they cannot be studied using tradition techniques of X-ray crystallography and NMR. Therefore to understand their function other techniques must be used to study them. The most useful approach that has been determined to analyze these proteins is to use


4013 words - 16 pages -sustainable statistics. The result, transport users pay too much for transport whilst Logistic Service Providers make inadequate returns."That is the point where the role of web-based organizations like CX will grow in how business will be done in online logistics. According to KPMG 26% of logistic companies are using B2B exchanges in one form or the other to make demand and supply visible to market players and facilitate exchange and collaboration

Using of Multi-Wall Carbon Nanotube (MWCNT) Based Nanofluid in the Heat Pipe to Get Better Thermal Performance

918 words - 4 pages reach condenser. In condenser section, the vapor condenses and its latent heat releases and then the fluid returns from inside wick by capillary pressure to evaporator section. This study has been conducted to show the effect of using three water based nanofluids (water+ Al2O3), (carbon nanotube+water) and (water+diamond) on the heat operation of heat pipe. We also applied a new correlation for viscosity of nanofluids developed by bakhshan et al

Similar Essays

Web Based Ums For The City Of Windsor, Ontario

562 words - 2 pages Using the system design discussed in section 4, two major demands of this web-based UMS for the City of Windsor, Ontario, Canada are satisfied. One is to publish urban data in City of Windsor via the internet to make the public to access them as the classic web-based UMS does. The other one is to enable authorized users, e.g. administrators, to access more advanced operations, such as to manage GIS data via the internet without installation of

Factors Affecting The Production Of Web Based Applications

1469 words - 6 pages The Document Object Model (DOM)The Document Object Model is a platform- and language-neutral interface that will allow programs and scripts to dynamically access and update the content, structure and style of documents. The document can be further processed and the results of that processing can be incorporated back into the presented page. The Document Object Model also contains a set of interfaces for an application that reads an XML

A Step Forward The Advantages Of Web Based Conferencing

580 words - 2 pages their home station in the event they are needed. Use of web conferencing in the Army is also beneficial to the soldier in regards to schooling. Due to hectic daily schedules and constant field training exercises, the Army's education centers provide an extra incentive for soldiers to further their education. (Not only is it free, but also they don't have to leave their homes.)Although it's not used often enough in the Army, web-based

Content Analysis: An Examination Of Web Based Orientation Materials

1767 words - 8 pages -based training (Piccoli, Ahmad, & Ives, 2001; Stephens, Water, & Sincliar, 2014). Many organizations and HR professionals orient newcomers with innovative training styles such as web-based training (Piccoli, G., et al., 2014). “Universities, corporations, and government agencies worldwide and increasingly using the Web to deliver instruction and training” (Kahn, B., 1997, pp. 75). For example, Michigan State Police Department offers year-round