What is semantic web?

Semantic Web

The semantic web also known as Web 3.0 was discovered by Tim Berners-Lee who was an inventor of the world wide web. He also created HTML, URLs, and HTTP. It is for a web of data that can be processed by machines. It is linking data together and link the connections between the data and information.

It is a web of data not a web of documents and to make understand machines the meaning of data. Various data technologies such as RDF, SPARQL, and OWL are used. 

Table of Contents

Linked data enables both people and machines to access data across different servers and it makes the semantics more easily. Linked data is built upon technologies such as HTTP, RDF, etc., and is used to provide information to humans as well as machines.

When some or little information is updated on a specific web page, then all the other pages where the data is linked also get updated automatically. 

It is an extension of the web through standards by the World Wide Web Consortium (W3C). According to W3C, it provides a common structure that allows data to be shared and copied across applications, enterprises, etc. 

The aim of the Semantic Web-

The aim of the semantic web is to make internet data accountable to humans as well as machines. It makes internet data machine-readable.

The semantic web spends less time searching, spends less time explaining to the search engine what you’re looking for. It will make search engines faster and easier. 

Examples of Semantic Web-

Imagine you want to go to watch an action movie and then grab something to eat after the movie for dinner. Now you turn on your laptop or mobile phone and open a web browser. Now you go to the Google page and simply type a complex sentence then the semantic web browser will do the rest. 

You could enter “I want to watch an action movie and then want to have dinner at a south Indian restaurant” and then the semantic web will display the results for you. It will act as a personal assistant. The more you use it, the more it will learn about you, and then with time, you can be less specific with your questions. 

How Semantic Web is different from today’s Web i.e. Web 2.0 –

Now, first, let’s understand what is Web 2.0?

So, Web 2.0 is today’s web people use nowadays. Web 2.0 has many features like it’s a website with interaction capabilities, social webs like Instagram, Facebook, WhatsApp, blogs, Wikipedia, social media accounts and video streaming got popularity and read & write web, etc. but Web 3.0 (semantic web) has their own features and its advance version of web 2.0.

Semantic Web has too many features which are advanced versions of Web 2.0 like read-write-executive web, computers can interpret information as humans do, google Maps, artificial intelligence, machine-to-machine communication, machine learning, and searching, etc. 

Let’s take an example-

Imagine you want to go to watch an action movie. Now you turn on your laptop or mobile phone and open a web browser. Now you go to a Google page and find out which good action movies to watch then find out which theatres are playing those movies then you spend so much time reviewing descriptions of the movies. You visit about 10-15 websites before you are ready to go out for a movie.

This is how things work in Web 2.0 (Today’s web). Web 2.0 takes time for planning and search. The next generation which is a semantic web (Web 3.0) will change how things work.

Now you would simply type a complex sentence and the Web 3.0 browser will do the rest. You don’t need to visit different sites and it saves time. Web 3.0 will make search tasks faster and easier and it will also make searches more personalized.

Advantages of Semantic Web –

There are many advantages of the Semantic Web (Web 3.0) like –

  • It will help in the network of online information. Semantic expands the connection between so many data and adds context to data on the web.
  • It makes search tasks faster and easier as compared to Web 2.0 and Web 1.0. Sharing knowledge is also easier.
  • Internet becomes personalized and searches also become personalized.
  • It has a read-write-executive web while others have only read-and-write web.
  • It is very easy to use. It’s easy to understand anything and implement anything
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