XML Query Language is a query language created in 1998.
#4839on PLDB | 26Years Old |
WHERE <book>
<publisher><name>Addison-Wesley</></>
<title> $t</>
<author> $a</>
</> IN "www.a.b.c/bib.xml"
CONSTRUCT <result>
<author> $a</>
<title> $t</>
</>