1. Data on the web: From relations to semistructured data and XML;Abiteboul,2000
2. Subject analysis in online catalogs;Aluri,1991
3. Modern information retrieval;Baeza-Yates,1999
4. A large-scale hypermedia application using document management and web technologies;Balasubramanian,1997
5. Beyond basic faceted search;Ben-Yitzhak,2008