   {:media/id "xunit"
    :media/type :media.type/book
    :media/title "xUnit Test Patterns"
-   :media/subtitle "Refactoring Test CodeImplementing Lean Software Development"
+   :media/subtitle "Refactoring Test Code"
    :media/essential true
    :media/experience 0
    :media/isbn "ISBN 978-5-8459-1448-4, 978-0-13-149505-0;"

   :recommendation/necessary true
   :recommendation/description "Clean Code is must for every IT specialist, because... //TBD"}

  {:recommendation/specialization [:specialization/id "basic"]
   :recommendation/media [:media/id "xunit"]
   :recommendation/id "basic_xunit"
   :recommendation/priority 600
   :recommendation/necessary true
   :recommendation/description "XUnit is must recommendation for basic specialization, because... //TBD"}
  {:recommendation/specialization [:specialization/id "basic"]
   :recommendation/media [:media/id "ilsd"]
   :recommendation/id "basic_ilsd"

  {:specialization/id "developer"
   :specialization/title "Developer"
   :specialization/annotation "Developer"}]

 ;; :specializations.relationships
 [{:specialization.relationship/from [:specialization/id "developer"]
   :specialization.relationship/to [:specialization/id "basic"]
   :specialization.relationship/description "developer->basic"}]

;;  :users
 [{:user/name "user1"
