The world we live in is a big, interconnected place. Anything and everything that exists in this world is connected together in some way. Relationships and connections exist among the entities that inhabit this world.
The human brain tries to store or extract information in the form of networks and relations. Perhaps this is a more optimal way of representing data, so that storing and retrieval of information is fast and efficient. What if we have a system that works in a similar way. We can use graphs; they are a systematic and methodical approach to representing data.
Before we move ahead with this chapter it is essential to understand the background and necessity of graphs.
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