Retrieves all info object which have all properties with given name and value
TODO: Replace this interim solution with more generic solution that can be much more efficiently evaluated in BaseLayer (in particular in asingle query to RDBMS)
Retrieves all object IDs of information object which are related to all objects defined by the flexible refernce selectors
TODO: Replace this interim solution with more generic solution that can be much more efficiently evaluated in BaseLayer (in particular in a single query to RDBMS)
Retrieves all object IDs of information object which have all properties with given name and value
TODO: Replace this interim solution with more generic solution that can be much more efficiently evaluated in BaseLayer (in particular in a single query to RDBMS)