The IT-Treebank can also be accessed at the CLARIN website through the search tool TüNDRA (a - free of charge - CLARIN account is required).
Treebank Valency Lexicon
(IT-VaLex) can be browsed on-line here.
Valency is generally defined as the number of obligatory
complements required by a word: these complements are usually
named ‘arguments’, while the non-obligatory ones are referred
to as ‘adjuncts’. Although
valency can be assigned to different parts of speech (usually
verbs, nouns and adjectives), scholars have mainly focused their
attention on verbs, so that the notion of valency often coincides
with verbal valency.
is a collection of verbal lexical entries enhanced with valency
and subcategorization frames. IT-VaLex is closely related to the
Treebank project, since it is a corpus-based valency lexicon
automatically induced from IT-TB data. The
lexicon can be browsed by lexical entry, or by number and surface
order of the arguments, which are linked to their lexical
In the Index
Thomisticus Treebank annotation style, verbal arguments are
annotated using the following tags: Sb (Subject), Obj (Object),
OComp (Object Complement) and Pnom (Predicate Nominal).
constantly improving our data. Please, report any error or send
your comments to Marco
Passarotti. The data of the Index
Treebank corpus can be asked to Marco
(not treebanked) can be browsed through Corpus
The Index Thomisticus
Treebank by CIRCSE
is licensed under a Creative
Commons Attribution-NonCommercial-ShareAlike 3.0 Unported