Segmentation
From UNL Wiki
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== EUGENE == | == EUGENE == | ||
| − | In [[EUGENE]], segmentation is done using the [[UNL | + | In [[EUGENE]], segmentation is done using the [[UNL document]] tags. |
*The tag [S] defines the beginning of a sentence, and the tag [/S] defines the end of a sentence | *The tag [S] defines the beginning of a sentence, and the tag [/S] defines the end of a sentence | ||
*The tag {org} defines the beginning of the source sentence, and the tag {/org} defines the end of the source sentence | *The tag {org} defines the beginning of the source sentence, and the tag {/org} defines the end of the source sentence | ||
*The tag {unl} defines the beginning of the UNL graph, and the tag {/unl} defines the end of the UNL graph | *The tag {unl} defines the beginning of the UNL graph, and the tag {/unl} defines the end of the UNL graph | ||
Latest revision as of 01:43, 28 July 2012
Segmentation is the processing of splitting the input into processing units. In UNLization with IAN, the natural language input document is split into sentences; in UNLization with SEAN, the natural language input is split into texts; in NLization with EUGENE, the UNL input is split into graphs.
IAN
In IAN, segmentation is done using a set of predefined* sentence boundaries:
- punctuation signs: ".",";","!","?","..."
- special characters: end-of-line, end-of-paragraph
* This process is expected to be replaced by a user-defined system in the coming releases of IAN.
EUGENE
In EUGENE, segmentation is done using the UNL document tags.
- The tag [S] defines the beginning of a sentence, and the tag [/S] defines the end of a sentence
- The tag {org} defines the beginning of the source sentence, and the tag {/org} defines the end of the source sentence
- The tag {unl} defines the beginning of the UNL graph, and the tag {/unl} defines the end of the UNL graph
