What system to use for the analysis of correspondence?

Question

big data

What system to use for the data processing task?
There is a large amount of input from different users.
It is necessary to work out this information according to various criteria, to which you can link a search by synonyms.
For example:
In the travel community, people write about traveling to different cities. It is necessary to structure the information - which user traveled where and whether he liked it.

Answer 1

You will hardly find ready-made free solutions. Accordingly, you need to write your own. How to write - depends on exactly what volumes of data you need to process, whether it should be batch processing or streaming, if the latter, then what level of latency is required, what kind of approach to text analysis you are going to use, etc. etc.