A Hierarchical Approach to Model Web Query Interfaces for Web Source Integration.

Thomas Kabisch Eduard Constantin Dragut Clement T. Yu Ulf Leser A Hierarchical Approach to Model Web Query Interfaces for Web Source Integration. 325-336 2009 2 PVLDB 1 http://www.vldb.org/pvldb/2/vldb09-360.pdf db/journals/pvldb/pvldb2.html#KabischDYL09