Discuss Semantic Web

By Umang Shukla(U11CO015)

Web 1.0

1993Read Only Web

Hyperlinks, Static45 Million Global Users

Web 2.0

Read and WriteContent Sharing

Social Media1 Billion+ Global Users

2004

Web 3.0

Semantic WebLinked Data

Human + Machines are users2010 ~

Semantics means relating to meaning in

language or logic

HTML descibes the syntax not the semantics

The Semantic Web

An extension of the current Web that

provides an easier way to find, share, reuse and

combine information more easily

History• The concept of the Semantic

Network Model was formed in the early 1960s by people of different professions by publishing about them

• The term "Semantic Web" was coined by Tim Berners-Lee in 2008

• Schema.org launched on June 2, 2011 by Bing, Google and Yahoo to provides a collection of schemas to improves the display of search results

Purpose

The Semantic Web was envisioned as a system that enables machines to "understand" and respond to complex human requests based on their meaning

It is regarded as an integrator across different content, information applications and systems

Whose job is it ?

The Webmaster's as its their site and they need newer applications to understand

them

How do we get semantic web

• Applications getting better at understanding human semantics (‘Top Down’)

• More structured formats are gaining wider use (‘Bottom Up’)

• More database driven sites, so less need for humans to understand it all

• ‘Semantic web’ applications appearing

Top Down

Depends of ‘more intelligent’ computers–Google Book Search–LibX Toolbar

Bottom Up

Depends on more structured data using agreed standards–URIs–RDF–OWL–HTML5 microformat–SPARQL

Advantages

• Premanent increase in data quality

• Better search visibility and higher ranking

• Empower collaboration, data sharing and integration for bussiness applications

ChallengesSome of the challenges of semantic web include –Vastness–Vagueness–Uncertainity–Inconsistency –Deciet