If you have selected any radio buttons below, they will take precedence over your query. You can force the page to reset (i.e. clear the button selection) by pressing Ctrl+F5
OR
for $s in $PublicView//PI return {$s }
for $s in $PublicView//projects/project return { $s }
for $s in $PublicView//projects return {$s }
for $s in $PublicView//project return { $s }