Table 1

Used local features for SVM pipeline and MLN joint

Description

SVM 1st phase event &eventType

SVM 2nd phase role (E-A)

MLN predicate

Word Form

X

X

word(i,w)

Part-of-Speech

X

X

pos(i, p)

Word Stem

X

X

stem(i, s)

Named Entity Tag

X

X

ne(i,n)

Chunk Tag

X

X

chunk(i, c)

In Event Dictionary

X

X

dict(i, d)

Has Capital Letter

X

X

capital(i)

Has Numeric Characters

X

X

numeric(i)

Has Punctuation Characters

X

X

pun()

Character Bigram

X

bigram(i, bi)

Character Trigram

X

trigram(i, tri)

Dependency label

X

X

dep(i, j, d)

Labeled dependency path between tokens

X

path(i, j, pt)

Unlabeled dependency path between tokens

X

pabhNL(i, j, pt)

Least common ancester of dependency path

X

lca(i, j, L)

Yoshikawa et al. Journal of Biomedical Semantics 2011 2(Suppl 5):S6   doi:10.1186/2041-1480-2-S5-S6