Domain Ontology and Galois Lattice Structure for Query Refinement. - Brigitte Safar; Hassen Kefi (ICTAI, 2003)

OntoRefiner, a user query refinement interface usable for Semantic Web Portals. - Brigitte Safar; Hassen Kefi; Chantal Reynaud (ECAI Workshop on Application of Semantic Web Technologies to Web Communities, 2004)