Introduction to Semantic Web

Web 3.0 or Semantic Web

Web 3.0 is a next big thing after web 2.0, still lies in speculation. Believers claim it to be the future of technology and internet village. They expect it to bring more revolutionary changes than web 2.0 brought. The transition of web 2.0 from web 1.0 was not simple both in function and time frame. It almost took ten years time for web2.0 to be launched after web 1.0. For knowing what marvels Web 3.0 will perform, one needs to know the latest features of web 2.0 as it is only then possible to anticipate a step ahead.

Web 2.0 offered search in advanced way, with the use of keywords. It presents a model of web by managing information in a more systematic way and bringing them in connected links. It provides liberty of authoring in a vast connection as its content and information is updated by number of authors. It gives privilege to users and authors to edit, undo, redo and enter each others’ posts and reviews. It makes search advanced by adding tags without interfering with the collection of pre made tag categories. Further it extends search by allotting extensions and descriptions. It uses syndication technology.

Now coming back to the actual boom i.e. Web 3.0, it is thought to take all these features in revolutionary advanced ways. It will improve the network in the way as it will contain features of web2.0 and will contribute further in its ever expanding lexicon and library of applications. There is lot of expectations associated with the arrival of Web 3.0. It is believed that it will be more application based, geographical and location based environment stimulation and will help in non browsing software of non computer devices. So, it is said that Web 3.0 works where computer generates information rather than humans. It will primarily focus on the usability of search engines.

It is also considered a synonym of semantic web. Semantic web helps machines to read the date on World Wide Web. Its main purpose is to provide liberty to users to combine, share and upload information with more ease. It will help machines to interpret the meaning and read the extensions thus, enabling them to perform tasks rather than human beings. It will consist of a web development layer that includes T.V quality open video, 3D simulations, human constructed semantic standards and sensors.  Some happily live in the euphoria that Web 3.0 will let the user to sit back and internet to do work for one. Keywords will be searched based on your culture, region, language and jargon.

No doubt, if having all the applications and features, Web 3.0 will bring a high boom in the internet world and will lead the users instead of being led by them. It will another marvel of technology, the next of which may not be possible for many decades yet it is also to be understood that the speculation of Web 3.0 still has to be in reality. If looking at time frame, it may be year 2015 for Web 3.

The word semantic stands for “meaning” or related to meaning. Semantic web is a “web of data”. Its basic function is to make machines enable to understand the meaning or information on World Wide Web. The term is more specifically used in reference to the formats and technologies which enable it. The web works more technically as it inserts machine readable date in the human readable links. By doing this, it provides an opportunity to the research agent that he can access these pages of hyperlinks automatically. Resource Description Format, W3C, RDF Schema and Web Ontology Language are few of the technologies which provide a disciplined format for the semantic web.

Hypertext Markup Language generally abbreviated as HTML is capable of presenting human readable data that can simply be divided in documents and data. This is a loose division that is usually understood on a common computer. HTML has few limitations in contrast to Semantic Web. It is unable to present machine readable data which is totally left on browsing in combination of search engines. HTML decodes the words with the limited explanation while Semantic Web can take the solutions a step ahead as; it is capable of describing arbitrary things like people, planets and places. Here different technologies work together to replace the content meaning on World Web.

Machine readable data enables content manager to decode the structure and description of content. In this way a machine is able to help computers in automated ways. It uses the same process as human analysis like inference and deductive meaning. The need of Semantic Web is based on assumption that it is possible for machines to go a step ahead than mere performing the ordered word relationships.

The idea of evolving a simple web to a Semantic Web was first presented in 2001 which was instantly received with equal enthusiasm and the idea worked quickly. It immediately replaced the old and systematic HTML, though still facing the severe questions arisen by the world critiques. Although the idea and the underlying format of Semantic Web is neither fully understood nor well explored yet it has brought crystal revolution in between 2001-2007 in the world of web. Some suppose Semantic Web to be an extension of Web 3.0. Yet it is all based on whom you speak to. It is assumed that Web 3 will be a combination of properties of Web 2 with its own ever expanding format of lexicon and applications.

Semantic web has unbeaten social potential in contrast to HTML. Many have already started using it in the field of Health and business for social networking. It can also be implemented in a democratic state where government can use it to control all online information and feedback on certain social issues.

Instead; it is being implemented in various disciples of life yet it has to face certain challenges. One of the biggest issues, it faces is that of vagueness and ambiguity with uncertainty. It all has to be dealt by automated reasoning system.

By: Ammarah Khan


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