| Conceptual representing of documents and query expansion based on ontology | 1 | 0.37 | 2012 |
| Wcd-New Approach Combining Words, Concepts And Documents Based On Ontology | 0 | 0.34 | 2012 |
| Research of the conceptual representing of documents based on light ontology | 1 | 0.48 | 2012 |
