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Literary and Linguistic Computing Advance Access originally published online on March 7, 2006
Literary and Linguistic Computing 2006 21(Supplement 1):143-156; doi:10.1093/llc/fql012
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© The Author 2006. Published by Oxford University Press on behalf of ALLC and ACH. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Some Aspects of the PAROLE-SIMPLE-CLIPS Semantic Layer: Uses and Advantages1

Marisa Ulivieri, Igor Bianco, Elisabetta Guazzini and Stefano Molino

National Research Council of Italy, Institute for Computational Linguistics – Pisa

Correspondence: Marisa Ulivieri, Istituto di Linguistica Computazionale, Consiglio Nazionale delle Ricerche, Via Moruzzi 1, 56100 Pisa, Italy. E-mail: marisa.ulivieri{at}ilc.cnr.it
The article deals with the Extended Qualia Structure and predicative representation implemented in the semantic layer of the PAROLE/SIMPLE/CLIPS lexicon, an Italian lexical resource for computational applications, mainly based on Generative Lexicon. The Extended Qualia Structure is a component of the model that allows the encoding of the complex and multifaceted nature of word senses. The advantages of Qualia-based representation and the potentialities the extended framework provides in capturing, combining and making linguistic information computationally usable will be presented. The predicative representation consists in the definition of a lexical predicate, its argument structure and selectional restrictions. The profits of this way of representing lexical information, which are, above all, the high degree of cohesion among entries semantically linked and an effective power in retrieving information will be shown. The links between a predicate and word senses and the mapping of a semantic predicate on to the syntactic frame will be also described, stressing how they can also be calculated by an automatic system. The reader will be guided in a route around the lexical data of a portion of semantic space, using as a track the various meaning dimensions the Extended Qualia Structure gives access to, and the several possible links between predicate, word-senses and syntax.

1 We would like to dedicate our work to Prof. Antonio Zampolli, who was a pioneer in the application of Computational techniques in Literary and Linguistic research. We are very grateful to him for the opportunity he gave us to join his Institute and gain experience in this field.


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