Modern Geographical Information Systems (GIS) [1] provide a service-oriented architecture for interacting with geographical data sets and related maps. Web-based GIS systems are architected around the same principles as more general Web service systems based on SOAP [2], WSDL [3], and REST. Mirroring the World Wide Web Consortium and OASIS Web service standards-making bodies, the Open Geospatial Consortium [5] defines open standards for messages, XML data formats, and access protocols that are specific to the GIS community. In addition to OGC-based services, there are many companies (such as ESRI and AutoDesk) that provide proprietary, commercial solutions. Services from these various providers are not normally interoperable.
Read the rest of this entry »
Web 2.0 is no longer just for techies and teenagers. Adults of all ages are beginning to appreciate the networking opportunities and social nature of Web 2.0. Business owners and executives from around the globe are using this group of technologies with increasing frequency, and they are planning on expanding their Web 2.0 capabilities into the future.
Read the rest of this entry »
15 Jan
Posted by jj as Development, Web
Since the beginning of the 90’s, organizations had been growing in a rapid way, becoming each more difficult to manage. The organization business cycle changed from 7 years in 1970-1980 to 12-18 months in the 90’s, and is even shorter nowadays. This change, transformed the organization world in a new and complex reality.
To be able to deal with this reality, organizations put a big pressure in the information access and information became the organization most valuable asset. But this asset, information object, as some main characteristics: exists in larges quantities, as many different ways, is very volatile, must have confidentially, must have integrity, must have availability, in resume, can be very difficult to handle.
Read the rest of this entry »
Business-to-Business (B2B) requires companies to communicate, despite using different information systems. Transactions between businesses require the sender and receiver to understand the message the same way. An XML-based purchase order in one company must be acceptable for another company. The main advantage of electronic communication is cost and time reduction. The greatest problem is that the companies use different information systems, which can‘t communicate with each other unless there is a kind of connection is established.
Read the rest of this entry »
Started with Windows Vista MICROSOFT EXAM OBJECTIVES COVERED IN THIS CHAPTER: Installing and Upgrading Windows Vista Identify hardware requirements Perform a clean installation Upgrade to Windows Vista from previous versions of Windows Upgrade from one edition of Windows Vista to another edition Troubleshoot Windows Vista installation issues Install and configure Windows Vista drivers Maintaining and Optimizing Systems that Run Windows Vista Configure Windows Update Preparing for an installation involves making sure that your hardware meets the minimum requirements and that your hard- ware is supported by Windows Vista.
Read the rest of this entry »