_________________
| id | author |
-------------------
| 1 | ivan |
-------------------
______________________
| id | author_id | text |
-------------------------
| 1 | 1 | bla |
SET author1 '{"name":"ivan"}'
SET publication1 '{"author_id":"author1","text":"bla"}'
SADD authors 'author1'
SADD publications_author1 'publication1'