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Semantic Web
Introduction Semantic web as defined by the creator of the web Tim Berners-Lee is "a web of data, in some ways like a global database" (Berners-Lee, 1998). To elaborate further Mr. Berners-Lee explains in an interview held by IDG Now, data is expressed on computers as associated files with applications that deal specifically with information, an example would be, data in calendars, bank systems, spreadsheets, and database application. Looking at a web page, data is not clearly defined and not associated with any of the applications usually on computers. Semantic web will allow data to interact and connect together; it will bring on a common data format for all applications, for databases and web pages alike (Moon, 1999). Semantic web is not to build an artificial intelligence system which allows computers to understand what humans write on web pages; on the contrary, it is an attempt to make web pages more understandable and well-defined to support automatic extraction of data from within web content (Berners-Lee, 1998). Analysis The emergence of the web and the way HTML took off was driven by how society's needed to grew, from Internet chat to file transfer to high-end communities through blogs and wiki's. HTML was not limited to web content, knowledge base and help files adapted the language as a format to document software applications and provide training material. The revolution of technologies on the Internet allowed companies like Google to index pages; a thought that was very far away, says Tim Berners-Lee in his lecture at MIT. Web services have evolved to pave the road for distributed information and modular programming allowing interoperability among sites. Through XML, data in one site can be used by another using the common protocols and standards supported by both (Berners-Lee, 1998). XML defines schemas that deal with fields of data, what is required is a system that can tell the computer what sort of information (data) it can derive from within a page (Moon, 1999). With Web 3.0 a site will provide data that can be navigated through and extracted from multiple sites, this is a result of the fact that semantic web data model is closely related to a relational database where records of data share common fields that connect them together (Berners-Lee, 1998). The solution provided to support semantic web is in the form of metadata that describes the data contained on web pages. Resource Description Framework (RDF) is a base to manage metadata; it is the ground that computers can use to exchange and interact with applications on the Web (W3C RFC, 1999). The applications for RDF include digital libraries, online catalogs, and indexing systems that are usually associated with content and content relationships models deployed in most web pages. With RDF data within business portals will be analyzed and identified as resources, properties, or statements transparent to the domain, further more, the specifications will merge with other documents to comprise a framework of classes. Classes organized as a hierarchy comprises a schema that can be reusable as metadata definitions along side multiple platforms. Resources created in this hierarchy can be identified using a resource identifier (URI), which enables a document given to a machine with this identification to be recognized by the system and triggers it to dig and find similar data (Berners-Lee, 1998). Implications Semantic web can be the solution to overpower the limitations of current information management systems in finding and extracting data from unorganized resources. RDF is meant to describe any data regardless of its character, location, source, or type, the concept of URI is richer to uniquely identify any object on the web (Berners-Lee, 1998). The pillars of Semantic web are standards and common protocols that are the bases for knowledge representation; HTML, RDF, the data language resource description web ontology language (OWL) that describes to the machine what is going on, in addition to RDF1 which is a query language to make inquiries among machines much easer, will all emerge and collaborate to bring in more to the web and more intelligent programs that will bring the Internet more closer (Cleave, 2004). The current research and implementation of Abilene network and the Next Generation Internet (NGI) Internet 2 of high-performance backbone network linking major universities and research labs across the US, is a good foundation for what Semantic web can do, and represent the perfect platform for grid computing, digital libraries, virtual laboratories, and distance learning (Abilene, Internet2). Internet2 or I2 was developed by a group of universities in 1996 providing improved connectivity standards to reach 10gbps (gigabits per second). With more than 227 universities and libraries connected, network based applications and experimental programs can run on this network of high-bandwidth connection feeding on the latest technology of gigabit Ethernet and IP protocol version 6 (Reardon, 2004). Semantic web standards can be the base of material and data distributed on this network, providing the best test platform to explore the full potential and what can be achieved. Conclusion Tim Berners-Lee believes that with Web 3.0 we can succeed and fantastic things can happen, but the infrastructure need to be built, laws of privacy and security need to be revised and honored, further more, the web need to remain open for researchers to allow for continuous upgrade and development. Semantic web will kick off when individuals materialize the need to work on data processing, and think about collaborating their data, with company's information and that of the government (Moon, 1999). References:
WebAssist Super Suite Dreamweaver Extensions for PHP, ASP or Coldfusion Website Developers
Whether you prefer developing in ASP, PHP or Colfusion, Adobe Dreamweaver and the WebAssist Super Suite extensions can turn an ordinary website into a dynamic database-driven workhorse that rivals those from professional developers costing tens of thousands of dollars. Super Suite extensions for Dreamweaver Just like a professional carpenter, the right set of tools can make all the difference in the finished product. In Dreamweaver, having the right set of extensions can not only allow you to build more extensive, usable websites, but they can also save you an immense amount of development time and frustration. WebAssist Super Suite gives you The Power to Build Anything The Super Suite extension package covers everything from website security, user administration, user login, site cookies, sessions, database administration, email processing, dynamic dropdowns, a full ecommerce shopping cart, a website import tool, Eric Meyer's CSS Sculptor, a full-featured text editor, dynamic Flash charts, dynamic Google map integration and a whole lot more! Database-driven websites, e-commerce and more The Super Suite set of extensions gives Dreamweaver users the tools to create every facet of a functional content management system, full featured forums with access-level rights, complete website database administration tools including search, add, edit, update and delete fuctions, full digital file upload and download features, and a complete ecommerce shopping cart system with fully customizable storefronts. All this is achieved through an extremely easy-to-use wizard interface which walks you through each step in simple, intuitive fashion. Easy-to-use Dreamweaver wizard interface Super Suite can be easily integrated into your current site Dreamweaver template. The wizards take you through the steps needed to configure your options, you choose your template, and Super Suite creates all necessary pages, navigation, recordsets, CSS and javascript. You simply upload the new pages and files to your server, and the new functionality is live, with the look and feel of your existing website. Create advanced Dreamweaver websites without knowing any code WebAssist Super Suite extensions are perfect for Dreamweaver users who are hesitant to dig into the code. The extensions create all the code for you, and you can easily return to the wizard at any time to make changes. Super Suite has some similar functions to Adobe Dreamweaver Developer Toolbox, but it includes one-of-a-kind extensions like the iRite WYSIWYG editor for integrating FCKeditor into your Dreamweaver websites, CSS Sculptor which allows you to create complete standards compliant websites in one easy operation, and Site Import which allows you to import complete websites including all HTML, CSS, script, Flash and image files onto your local drive. Advice from a Super Suite user As a Super Suite user, I have used all their extensions extensively in my client websites. The ease-of-use and the Dreamweaver integration make them a must-have extension bundle if you want to develop websites faster, create more intuitive and complex websites, and make more money as a website designer or developer. Adobe Dreamweaver Compatibility The WebAssist Super Suite package is an all-inclusive Dreamweaver toolkit which provides developers with all the necessary tools to make dynamic database-driven websites in Adobe Dreamweaver. The extensions are compatible with Dreamweaver 8 and Dreamweaver CS3 on both PC and Mac. PHP, ASP and ColdFusion are supported by all the extensions.
Essentials Of Web Development
Here are essential things that you have to understand in web development. 1. Web appearance and Usability Most newcomers often think that appearance of web site is the measurement of how it will fare in terms of traffic and visitors visiting the site but this premise is not totally true. Yes, appearance is really important in web design but it is not the sole measurement of success of a site. Of course it will not be good to see if the site is shabby and not maintained properly but aside from appearance, you have to consider the usability of each content and links that you have posted there. If example you posted large beautiful image but it is unrelated to content of your site, do you think your reader will appreciate that? No, viewers will likely appreciate a relatively small image related to your content than an image that is totally unrelated no matter how pretty it is. Usability is a key in web design. Do not just put pretty but totally unnecessary images. All images and links should be useful to your site. If you are building a portfolio, post only related sample projects that you have previously work and you don't have to mention the projects that you did not accept. If you want use the site to sell products, it will be better if you describe them in brief and concise way and avoid unnecessary description. 2. Purpose What is the purpose of your web site? Do you want to earn additional income? Do you want to use the site to display your portfolio? Or do you want to sell and trade goods? Purpose will likely to give you the design that you need. If you are a member of affiliate marketing, then you have to post marketing ads to your site to generate income through pay-per-click method. If you are designing a web site to use it as your portfolio, then you have to post there your resume and sample projects that you have done in the past. If you would like to sell or trade goods, then you can have to post all your products, pricelist and payment options in the web site. 3. Information Information enriched websites are the ones who always get new visitors everyday. There are many web sites being launched in the Internet everyday but not all these web sites will offer new and updated information everyday or every week. Most of these web sites will likely to offer the same articles and tidbits for the rest of the year. If you don't update your site often, your visitors will likely to loose interest in visiting your site, as there will be another site to offer new and more exciting articles and contents. Competition is hard in web sites that is why you have to keep it updated to current new trends and new information to make them return to your site. You can consider weekly newsletter as part of your web design. This is one way to keep your site interesting and informative to readers.
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