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---
language: en
license: cc-by-nc-sa-4.0
tags:
- layoutlm
- document-question-answering
- pdf
- invoices
---
# LayoutLM for Invoices
This is a fine-tuned version of the multi-modal [LayoutLM](https://aka.ms/layoutlm) model for the task of question answering on invoices and other documents. It has been fine-tuned on a proprietary dataset of
invoices as well as both [SQuAD2.0](https://huggingface.co/datasets/squad_v2) and [DocVQA](https://www.docvqa.org/) for general comprehension.
## Non-consecutive tokens
Unlike other QA models, which can only extract consecutive tokens (because they predict the start and end of a sequence), this model can predict longer-range, non-consecutive sequences with an additional
classifier head. For example, QA models often encounter this failure mode:
### Before
### After
However this model is able to predict non-consecutive tokens and therefore the address correctly:
## Getting started with the model
The best way to use this model is via [DocQuery](https://github.com/impira/docquery).
## About us
This model was created by the team at [Impira](https://www.impira.com/).
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