1. A data model for temporal XML documents;Amagasa,2000
2. Analyzing clickstreams using subsessions;Andersen,2000
3. Evolving a set of DTDs according to a dynamic set of XML documents;Bertino,2002
4. On warehousing historical Web information;Cao,2000
5. Managing historical semistructured data;Chawathe;Theory and Practice of Object Systems,1999