def LF_polarity_complement(c):
return (FALSE if overlap(
["complement", "complementary"],
chain.from_iterable(
[get_sentence_ngrams(c[1]),
get_neighbor_sentence_ngrams(c[1])]),
) else ABSTAIN)
def LF_polarity_transistor_type(c):
return (TRUE if overlap(
[
"silicon",
"power",
"darlington",
"epitaxial",
"low noise",
"ampl/switch",
"switch",
"surface",
"mount",
],
chain.from_iterable(
[get_sentence_ngrams(c[1]),
get_neighbor_sentence_ngrams(c[1])]),
) else ABSTAIN)
def LF_both_present(c):
sentence_ngrams = set(get_sentence_ngrams(c[1]))
return FALSE if ("npn" in sentence_ngrams
and "pnp" in sentence_ngrams) else ABSTAIN
def polarity_conditions(attr):
return not overlap(["complement", "complementary"],
get_sentence_ngrams(attr))