Onto.PT: Towards the Automatic Construction of a Lexical Ontology ...

4.2. A large lexical network for Portuguese 67
Relation Args. Example
n,n alegria,satisfação (joy,satisfaction)
Synonym-of
v,v
adj,adj
esticar,estender
racional,filosófico
(to extend,to stretch)
(rational,philosophical)
adv,adv imediatamente,já (immediately,now)
Hypernym-of n,n sentimento,afecto (feeling,affection)
Part-of
n,n
n,adj
núcleo,átomo
vício,vicioso
(nucleus,atom)
(addiction,addictive)
n,n aluno,escola (student,school)
Member-of n,adj coisa,coletivo (thing,collective)
adj,n rural,campo (rural,country)
Contained-in
n,n
n,adj
tinta,tinteiro
óleo,oleoso
(ink,cartridge)
(oil,oily)
Material-of n,n folha de papel,caderno (sheet of paper,notebook)
n,n vírus,doença (virus,disease)
n,adj paixão,passional (passion,passional)
Causation-of adj,n horrível,horror (horrible,horror)
n,v fogo,fundir (fire,to melt)
v,n mover,movimento (to move,movement)
n,n oliveira,azeitona (olive tree,olive)
Producer-of n,adj fermentação,fermentado (fermentation,fermented)
adj,n fonador,som (phonetic,sound)
n,n sustentação,mastro (support,mast)
Purpose-of
n,adj
v,n
habitação,habitável
calcular,cálculo
(habitation,inhabitable
(to calculate,calculation)
v,adj comprimir,compressivo (to compress,compressive)
Has-quality
n,n
n,adj
mórbido,morbidez
assíduo,assiduidade
(morbid,morbidity)
(assiduous,assiduity)
Has-state
n,n
n,adj
exaltação,desvairo
disperso,dispersão
(exaltation,rant)
(scattered,dispersion)
Place-of n,n Equador,equatoriano (Ecuador,Ecuadorian)
Manner-of
adv,n
adv,adj
ociosamente,indolência
virtualmente,virtual
(idly,indolence)
(virtually,virtual)
Manner adv,n prontamente,demora (promptly,delay)
without adv,v seguido,parar (straight,to stop)
Antonym-of n,n direito,torto (straight,crooked)
Property-of
adj,n
adj,v
daltónico,daltonismo
musculoso,ter músculo
(daltonic,daltonism)
(beefy,to have muscle)
Table 4.3: Examples of extracted relations.
A \ B
DLP DA Wikt.PT
Sim Nov Sim Nov Sim Nov
DLP 0.13 0.81 0.06 0.93
DA 0.13 0.72 0.06 0.92
Wikt.PT 0.06 0.77 0.06 0.81
Table 4.4: Similarity (Sim) and novelty (Nov) of the triples extracted from each
dictionary
shows that, besides different dictionaries describing different relations, more than
one third of new vocabulary was collected from each dictionary, if compared to the
other dictionaries.