StarSEM

Some notes on the StarSEM 2012 shared task.

Training data

3,640 sentences with 989 instances of negation.

99 instances have no scope; 92 instances have a discontinuous scope that is not bridged by the cue.

392 instances have no event.

Collins' coverage of the training data is 99.4%.

Collins can't lemmatise contractions, e.g. can't = <unknown>

Some examples

Following Morante et al's (2011) conventions of bold for cues, underline for scope and italic for events.

HoundOfTheBaskervilles_ch1, s1. prefixal cue, weirdness

1. Mr. Sherlock Holmes, who was usually very late in the mornings, save upon those not infrequent occasions when he was up all night, was seated at the breakfast table.

2. Mr. Sherlock Holmes, who was usually very late in the mornings, save upon those not infrequent occasions when he was up all night, was seated at the breakfast table.

3. Mr. Sherlock Holmes, who was usually very late in the mornings,} save upon those not infrequent occasions when he was up all night, was seated at the breakfast table.

HoundOfTheBaskervilles_ch1, s12, prefixal cue

Since we have been so unfortunate as to miss him and have no notion of his errand, this accidental souvenir becomes of importance.

HoundOfTheBaskervilles_ch1, s67: discontinuous scope

If he wasi n the hospital and yet not on the staff he could only have been a house-surpeon or a house-physician: little more than a senior student.

HoundOfTheBaskervilles_ch1, s8: weirdness

It is my experience that it is only an amiable man in this world who receives testimonials, only an unambitious one who abandons a London career for the country, and only an absent-minded one who leaves his stick and not his visiting-card after waiting an hour in your room.

HoundOfTheBaskervilles_ch1, s89: discontinuous scope

The dog's jaw, as shown in the space between these marks, is too broad in my opinion for a terrier and not broad enough for a mastiff.

HoundOfTheBaskervilles_ch3, s235: Multi-word cue, discontinuous scope

Then, again, whom was he waiting for that night, and why was he waiting for him in the yew alley rather than in his own house?"

HoundOfTheBaskervilles_ch4, s154: contracted cue

But as to my uncle's death: well, it all seems boiling up in my head, and I can't get it clear yet.

HoundOfTheBaskervilles_ch4, S194: weirdness

Not for the world, my dear Watson.