Database Reference
In-Depth Information
Social networking systems
Obviously, there are alotofrecommendersystemsthatwillbeveryspeciictoa
domain. In the past couple of years, with the massive rise of social networking tools
and social apps all around us, the interest in social recommender systems has grown
massively. Essentially, we are looking to make useful new connections between
people that are effectively part of the same social circle, but may not have realized
it yet.
Looking at the following sample network should clarify this immediately:
Person
Person
Person
Person
Person
Person
Person
Person
[:FRIEND_OF]
[:FRIEND_OF]
Person
Person
Person
A social networking graph
In the preceding simple network, there is a very high likelihood that we can close
some friendship loops very easily, by suggesting connections between new links
between people. Very often, we will be using the graph theory principle of
triadic
closures
, meaning that we will be closing the missing links of the triangles in the
structure of our network.
So let's explore that social networking use case some more in the following chapter
withaveryspeciicsetofexamples.
