Tag Variables

WHERE <article> <author>

<firstname> $f </> <lastname> $l </>

</> </> ELEMENT_AS $e IN “www.a.b.c/bib.xml”

<$t year=$y> <author>

<firstname> $f </> <lastname> $l </>

</> </> IN “www.a.b.c/bib.xml” , y > 1995

CONSTRUCT $e

Find all articles whose writers have done something

after 1995.

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