<s>
Backpropagation	B-Algorithm
through	I-Algorithm
structure	I-Algorithm
(	O
BPTS	O
)	O
is	O
a	O
gradient-based	O
technique	O
for	O
training	O
recursive	O
neural	O
nets	O
(	O
a	O
superset	O
of	O
recurrent	O
neural	O
nets	O
)	O
and	O
is	O
extensively	O
described	O
in	O
a	O
1996	O
paper	O
written	O
by	O
Christoph	O
Goller	O
and	O
Andreas	O
Küchler	O
.	O
</s>
