ABASS, O. A.2026-10-192026-10-192024-06-30https://ir.funaab.edu.ng/handle/123456789/783A Thesis submitted to the Department of Computer Science, College of Physical Sciences, Federal University of Agriculture, Abeokuta in partial fulfilment of the requirements for the award of degree of Doctor of Philosophy in Computer ScienceenAN INTELLIGENT QUERY EXPANSION MODEL FOR IMPROVING QUALITY OF INFORMATION RETRIEVAL SYSTEMSThesis