General architecture
graph LR;
A[Source Databases] --> B[[Importer]]
B -->|RDF| C[Knowledge Base
PHO-KB]
BIB[Bibliography
Databases] --> C
O[PHO
Ontology] -.-> B
C --> D[[Converter]]
D -->|JSON| PHOLR[Interface
PHO-LR]
O -.-> PHOLR
O -.-> C
TS[(Triple Store
RDF4J)] --> C
SQL[(Relational DB
PostgreSQL)] --> C
SOLR[(Search DB
SOLR)] --> PHOLR
style TS fill:#f9f,stroke:#333,stroke-width:0.5px
style SQL fill:#f9f,stroke:#333,stroke-width:0.5px
style SOLR fill:#f9f,stroke:#333,stroke-width:0.5px
style O fill:#ff9,stroke:#333,stroke-width:0.5px
style C fill:#ff9,stroke:#333,stroke-width:0.5px
style PHOLR fill:#ff9,stroke:#333,stroke-width:0.5px