PPT Slide
- Query: Find EPS estimate and growth rate on ticker “AMZN”
<“AMZN” info {<eps P><growth G>}> :-
<E entry {<ticker “AMZN”><eps P><growth G>}>
(1) <f(T) entry {<eps P>}> :-
<company {<ticker T><eps P>}>@excite
(2) <f(T) entry {<L X>}> :- <news {<ticker T><L X>}>@wsj
- Logical plan results in two decomposed queries
<“AMZN” info {<eps P><growth G>}> :-
<company {<ticker T><eps P>}>@excite &
<news{<ticker T><ticker “AMZN”><growth G>}>@wsj
<“AMZN” info {<eps P><growth G>}> :-
<news {<ticker “AMZN”><eps P><growth G>}>@wsj