Semantics and Coherence-based Efficient Query Expansion Techniques for Ad-hoc Retrieval http://127.0.0.1/xmlui/handle/123456789/14932 Sun, 26 Apr 2026 16:14:10 GMT 2026-04-26T16:14:10Z Semantics and Coherence-based Efficient Query Expansion Techniques for Ad-hoc Retrieval http://127.0.0.1/xmlui/handle/123456789/14934 Semantics and Coherence-based Efficient Query Expansion Techniques for Ad-hoc Retrieval Singh, Pankaj Wed, 01 Mar 2023 00:00:00 GMT http://127.0.0.1/xmlui/handle/123456789/14934 2023-03-01T00:00:00Z