7.00.02 - Input - Aster Analytics

Teradata Aster® Analytics Foundation User GuideUpdate 2

Product
Aster Analytics
Release Number
7.00.02
Release Date
September 2017
Content Type
Programming Reference
User Guide
Publication ID
B700-1022-700K
Language
English (United States)
The NER function has these input tables:
  • Input table
  • Rules table [Optional]
  • Dictionary table [Optional]
Tip: To optimize function performance, remove punctuation marks from the input text. You can do this with the Text_Parser function.

The following table describes the required columns of the input table. The table can have other columns, but the function ignores them.

NER Input Table Schema
Column Name Data Type Description
text_column VARCHAR Text to analyze.
accumulate_column Any Column to copy to the output table.
NER Rules Table Schema
Column Name Data Type Description
type VARCHAR Entity type.
regex VARCHAR Regular expression that represents an entity of this type. The regular expression must conform to the Java Regex standard, which is documented at http://docs.oracle.com/javase/tutorial/essential/regex/quant.html.
NER Dictionary Table Schema
Column Name Data Type Description
type VARCHAR Entity type.
dict VARCHAR Dictionary word.