There are many possible relationship types. A few categories and examples of relationships are found in the following table. An interesting site that contains a multitude of relationships is Freebase (https://www.freebase.com/). It is a database of people, places, and things organized by categories. The WordNet thesaurus (http://wordnet.princeton.edu/) contains a number of relationships.
|
Relationship |
Example |
|---|---|
|
Personal |
father-of, sister-of, girlfriend-of |
|
Organizational |
subsidiary-of, subcommittee–of |
|
Spatial |
near-to, northeast-of, under |
|
Physical |
part-of, composed-of |
|
Interactions |
bonds-with, associates-with, reacts-with |
Name Entity Recognition is a low level type of NLP classification that was covered in Chapter 4, Finding People and Things. However, many applications need to go beyond this and identify different types of relationships. For example, when NER is applied to identify individuals, then knowing that we are dealing with a person can further refine the...