Random triples
| Subject | Object |
|---|---|
| gptkb:NASA_Astrophysics_Data_System | preprints |
| gptkb:Google's_information_retrieval_system | gptkb:original_content |
| gptkb:Data_Citation_Index | data repositories |
| gptkb:Web_of_Science_Core_Collection | gptkb:literature |
| gptkb:Pub_Med_database | journal articles |
| gptkb:Web_Spider | Web content |