4123aafc__Oracle_Text_Indexing_Elements__Description
[Section Group Preference] PATH_SECTION_GROUP [Description] 
Use this group type to index XML documents. Behaves like the AUTO_SECTION_GROUP. The difference is that with this section group you can do path searching with the INPATH and HASPATH operators. Queries are also case-sensitive for tag and attribute names. Stop sections are not allowed.
2 Oracle Text Indexing Elements