D-Net

setting export_action_set_id_entity_dataset to $UNDEFINED$ by default, this should not be required because dataset reference extraction module might be deactivated. Check will be performed at dataset entity exporter module and when value is not set - exception will be raised.

#757 temporarily disabling PMC ingestion until fixing openaire identifiers building process

#568, #577 enabling proper citations export by introducing PMC citation ingestion and citation matching outcome merging and grouping for exporting purposes. Introducing union instead of collapser which should be introduced in near future.

removing output_citation_pmc port duplicate

removing common import input parameters which are not required in this context

introducing trust_level_threshold support in statistics workflow

introducing trust_level_threshold support in common import workflow

providing default value for action_set_id_entity_dataset set to $UNDEFINED$. This change is required when exporting in statistics export mode where no entities are exported and such parameter should not be required.

introducing dedicated statistics mainworkflow encapsulating importing, processing and exporting phases. This workflow was introduced explicitly for statistics purposes because we want to operate over InformationSpace imported data in contrary to primary workflow where some of the statistics input was inferred and it wasn't clear whether it will become part of InformationSpace.

allowing overriding inference_provenance_blacklist default 'iis' value which will be required in mainworkflows/statistcs where inferenced document to project relations should be taken into account