D(node-metadata-equality-string,name:http://www.sleepycat.com/2002/dbxml,=,'items.xml',n(V(node-element-substring-string,description,substring,'Bicycle'),V(node-element-equality-date,end_date,>=,'1999-01-31'),V(node-element-equality-date,start_date,<=,'1999-01-31'))) V(node-element-equality-date,start_date,<=,'1999-01-31') V(node-element-equality-date,end_date,>=,'1999-01-31') V(node-element-substring-string,description,substring,'Bicycle') P(edge-element-equality-string,prefix,item_tuple.itemno) P(edge-element-equality-string,prefix,item_tuple.itemno)