Concept Based Retrieval by Minimal Term Sets. - Ali H. Alsaffar; Jitender S. Deogun; Vijay V. Raghavan 001; Hayri Sever (ISMIS, 1999)

Optimal Queries in Information Filtering. - Ali H. Alsaffar; Jitender S. Deogun; Hayri Sever (ISMIS, 2000)

On Modeling of Concept Based Retrieval in Generalized Vector Spaces. - Minkoo Kim; Ali H. Alsaffar; Jitender S. Deogun; Vijay V. Raghavan 001 (ISMIS, 2000)

Enhancing Concept-Based Retrieval Based on Minimal Term Sets. - Ali H. Alsaffar; Jitender S. Deogun; Vijay V. Raghavan 001; Hayri Sever (J. Intell. Inf. Syst., 2000)