The Ancestor argument specifies that any node whose value ends with 'store' is an ancestor. The Nodes argument specifies that the function is to output the owner of each store and the title, author, and year of each node that starts with a string of lowercase alphabetic characters and ends with 'item'.
SELECT * FROM XMLParser ( ON xml_inputs_fuzzy Text_Column ('xmlDocument') Nodes ('like(%store)/owner', 'regex([a-z]+item)/{title,author,year}') Ancestor ('like(%store)') Accumulate ('xid') ) ORDER BY 1,2;