7.00.02 - Input - Aster Analytics

Teradata Aster® Analytics Foundation User GuideUpdate 2

Aster Analytics
Release Number
September 2017
Content Type
Programming Reference
User Guide
Publication ID
English (United States)
Last Update

The FellegiSunterTrainer function has one required input table, which contains the object pairs, their field-pair similarity values, and (for supervised learning) a tag column. The following table shows the schema of the input table.

FellegiSunterTrainer input_table Schema
Column Name Data Type Description
field-pair_i_sim DOUBLE PRECISION The field-pair similarity value for field-pair i. In input_table, the columns appear in this order: A_field_1, ..., A_field_n, B_field_1, ..., B_field_n, field-pair_1_sim, ..., field-pair_n_sim.
tag_column VARCHAR This column is required only for supervised learning. Row i of this column contains 'M' if field i of object A matches field i of object B; otherwise, it contains 'U'.
To create the input table for the FellegiSunterTrainer function, you can use the function StringSimilarity.