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RTE Experiment
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nsubj must connect to VERB or be copula? #18

Open vcvpaiva opened 7 years ago

vcvpaiva commented 7 years ago

the query NOUN <nsubj !VERB (noun subject relating to non-verbs) can give us some of the mistakes, I believe.

at least some of the examples seem wrong: 1.a tan dog splashing in water on the bank of a pond or river (splashing is considered ADJ, but it's root. should be verb) 2.Some water is being casually drunk by a cat (drunk should be verb, not adj) 3.Two children and an adult standing next to a tree limb (standing should be verb, not ADJ) 4.a man is mowing grass (mowing should be the root, not grass)

  1. a middle aged man and woman ride bikes down a road beside the water ride should be verb, not NOUN

but for copulas it is correct e.g. we can have nsubj connected to non-verb: 1.The study subject is a camera man

  1. An elegant woman is inside a crowd of people and is looking down
vcvpaiva commented 7 years ago

we have 223 copulas, but only 94 cases where the root is not a verb. so 94 cases of copula as root, the other copulas are scattered in the sentences.

many are rewritings of perfectly sensible NPs like "little kangaroo", which becomes "a kangaroo that is little". e.g "A woman is slicing a pepper which is big".

this number seems very small in 6K sentences.

vcvpaiva commented 7 years ago

rewriting a kangaroo that is little ==> a little kangaroo a pepper which is big ==> a big pepper ?? how many of the 223 copulas are like this?