TAILIEUCHUNG - Báo cáo khoa học: "An OWL Ontology for HPSG"

The paper presents an OWL ontology for HPSG. The HPSG ontology is integrated with an existing OWL ontology, GOLD, as a community of practice extension. The basic ideas are illustrated by visualizations of type hierarchies for parts of speech. | An OWL Ontology for HPSG Graham Wilcock University of Helsinki PO Box 9 00014 Helsinki Finland Abstract The paper presents an OWL ontology for HPSG. The HPSG ontology is integrated with an existing OWL ontology GOLD as a community of practice extension. The basic ideas are illustrated by visualizations of type hierarchies for parts of speech. 1 Introduction The paper presents an OWL ontology for HPSG Head-driven Phrase Structure Grammar Sag et al. 2003 . OWL is the W3C Web Ontology Language http 2004 OWL . An existing ontology is used as a starting point GOLD Section 2 is a general ontology for linguistic description. As HPSG is a more specific linguistic theory the HPSG ontology Section 3 is integrated inside GOLD as a sub-ontology known as a community of practice extension Section 4 . 2 GOLD A General Ontology for Linguistic Description GOLD a General Ontology for Linguistic Description http Farrar and Langendoen 2003 is an OWL ontology that aims to capture the general knowledge of the field that is usually possessed by a well trained linguist. This includes knowledge that potentially forms the basis of any theoretical framework. In particular GOLD captures the fundamentals of descriptive linguistics. Examples of such knowledge are a verb is a part of speech gender can be semantically grounded or linguistic expressions realize morphemes . Farrar and Lewis 2005 . 169 As far as possible GOLD uses language-neutral and theory-neutral terminology. For instance parts of speech are subclasses of gold GrammaticalUnit as shown in Figure 1. As GOLD is language-neutral a wide range of parts of speech are included. For example both Preposition and Postposition are included as subclasses of Adposition. The classes in the OWLViz graphical visualization on the right in Figure 1 have been selected from the complete list in the Asserted Hierarchy on the left . Originally GOLD was intended to be neutral where .

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