revizor

This package solves task of splitting product title string into components, like

Install

Usage

Boring numbers

Actually, just output from flair training log:

Corpus: "Corpus: 138959 train + 15440 dev + 51467 test sentences"
Results:
- F1-score (micro) 0.8843
- F1-score (macro) 0.8766

By class:
VENDOR_CODE    tp: 9893 - fp: 1899 - fn: 3268 - precision: 0.8390 - recall: 0.7517 - f1-score: 0.7929
BRAND          tp: 47977 - fp: 2335 - fn: 514 - precision: 0.9536 - recall: 0.9894 - f1-score: 0.9712
MODEL          tp: 35187 - fp: 11824 - fn: 9995 - precision: 0.7485 - recall: 0.7788 - f1-score: 0.7633
TYPE           tp: 25044 - fp: 637 - fn: 443 - precision: 0.9752 - recall: 0.9826 - f1-score: 0.9789

Dataset

Model was trained on automatically annotated corpus. Since it may be affected by DMCA, we'll not publish it.
But we can give hint on how to obtain it, don't we?
Dataset can be created by scrapping any large marketplace, like goods, yandex.market or ozon.
We extract product title and table with product info, then we parse brand and model strings from product info table.
Now we have product title, brand and model. Then we can split product title by brand string, e.g.:

License

This package is licensed under MIT license.