Lexica
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*The [[NL Dictionary]], or simply NL<sup>dic</sup>, is a list of natural language entries with the corresponding morphological and syntactic (language-dependent) features | *The [[NL Dictionary]], or simply NL<sup>dic</sup>, is a list of natural language entries with the corresponding morphological and syntactic (language-dependent) features | ||
*The [[UNL-NL Dictionary]], or simply UNL-NL<sup>dic</sup>, is list of systematic lexical mappings between UW's and natural language entries | *The [[UNL-NL Dictionary]], or simply UNL-NL<sup>dic</sup>, is list of systematic lexical mappings between UW's and natural language entries | ||
| − | The UNL Dictionary and the NL Dictionary are monolingual databases, whose entries are interlinked by the UNL-NL Dictionary. | + | The UNL Dictionary and the NL Dictionary are monolingual databases, whose entries are interlinked by the UNL-NL Dictionary, which brings the mappings between UW's and natural language entries, whenever available<ref>Not all NL dictionary entries may be mapped onto UNL. Articles, prepositions, conjunctions and other particles do not have any correspondence in UNL.</ref>. |
== UNL Knowledge Base (UNL<sup>KB</sup>) == | == UNL Knowledge Base (UNL<sup>KB</sup>) == | ||
Revision as of 17:38, 17 September 2012
The UNL System contains three different types of lexical databases: dictionaries, knowledge base and example bases.
Dictionaries
In the UNL System, a dictionary is a flat list of entries with their corresponding features. The dictionaries comply with the structure defined in the Dictionary Specs and must contain only tags defined in the Tagset. They are normally provided through the UNLarium, and are divided in three different categories:
- The UNL Dictionary, or simply UNLdic, is a list of UW's and their semantic (language-independent) features
- The NL Dictionary, or simply NLdic, is a list of natural language entries with the corresponding morphological and syntactic (language-dependent) features
- The UNL-NL Dictionary, or simply UNL-NLdic, is list of systematic lexical mappings between UW's and natural language entries
The UNL Dictionary and the NL Dictionary are monolingual databases, whose entries are interlinked by the UNL-NL Dictionary, which brings the mappings between UW's and natural language entries, whenever available[1].
UNL Knowledge Base (UNLKB)
The [UNL Knowledge Base], or UNLKB, is a semantic network with relations that are necessary to define UW's. Differently from the UNL Dictionary, which brings only very general semantic features (such as lexical category, semantic class, abstractness, cardinality, etc.), the UNLkb contains relations between UW's.
Example Bases
In the UNL System, there are two different types of example bases:
- The UNL Example Base, or simply UNLeb, is a network with any relations between UW's
- The UNL-NL Memory, or UNL Memory Base, or simply UNL-NLMB, is a list of mappings between UNL and a given natural language
