"Evaluatie." . . "Recuperació de la informació." . . "Catalogues en ligne." . . "Generalities; history; archive, library, information sciences; general reference works, catalogues, guides, finding lists." . . "Online-raadpleging." . . "Algemeen; algemene geschiedenis; algemene geschiedenis, sociale geschiedenis en cultuurgeschiedenis; archief- en bibliotheekwezen." . . "Bibliotheekautomatisering." . . "Catalogues de bibliothèques en ligne." . . "Bibliotecas Catálogos Automatización." . . "Onderwerpsontsluiting." . . "Documentation, information science and librarianship." . . "Catàlegs en línia." . . "Cerca bibliogràfica en línia." . . "libraries." . . "Recherche documentaire automatisée." . . . . "Informatique documentaire." . . "Cerca documental en línia." . . "Online kataloger." . . "Information retrieval." . . "Catalogos de acceso público en línea." . . "Catalogs, On-line." . . . . . . "Relevance feedback and query expansion" . "Relevance feedback and query expansion"@en . . . . . "Improving subject retrieval in online catalogues 2. Relevance feedback and query expansion" . . . . "Improving subject retrieval in online catalogues" . . . . . . . . . "Improving subject retrieval in online catalogues. 2, Relevance feedback and query" . . "Relevance feedback and query" . "Improving subject retrieval in online catalogues" . . . . . . . . "Improving subject retrieval in online catalogues / Vol. 2, Relevance feedback and query expansion" . . . . "Improving subject retrieval in online catalogues. - 2 : Relevance feedback and query expansion" . . . . . . . . . . . . "Improving subject retrieval in online catalogues. 2., Relevance, feedback and query expansion"@en . "Improving subject retrieval in online catalogues. 2, Relevance feedback and query expansion" . . . . . . . . . . . . . . . . "British Library Research and Development Department." . . "BL." . .