3.9.4. Good and bad keywords

All the words are not good keywords.

To be added to our query, a word should provide at least one of the following qualities:

• Specific to our object: One meaning, not used by other industries/topics/objects. This will give the query some relevancy.
• Systematic: journalist/any author of a document should use at least one of our words, or its publication won’t appear in our results. It will give completeness to our query.
  

Let’s take another example:
The aerospace industry.

“Space” or “Spatial”: let’s check their two qualities
Specific: Absolutely not. These two words are also used in the sound industry (spatial sound in stereo) or in “space management of coworking offices”. This could bring us some noise if not combined.
Systematic: they are super systematic, because virtually 100% of the interesting aerospace articles will mention “space” or “spatial” somewhere in the text (do the test with some SpaceX articles f.e.)