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An open-source NLP research library, built on PyTorch.

Project description

<p align="center"><img width="40%" src="doc/static/allennlp-logo-dark.png" /></p>

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An [Apache 2.0](https://github.com/allenai/allennlp/blob/master/LICENSE) NLP research library, built on PyTorch,
for developing state-of-the-art deep learning models on a wide variety of linguistic tasks.

## Installation

The preferred way to install AllenNLP is via `pip`. Just run `pip install allennlp` in your Python 3.6 environment and you're good to go!

If you need pointers on setting up a Python 3.6 environment or would like to install AllenNLP using a different method, see below.

### Installing via pip

#### Setting up a virtual environment

[Conda](https://conda.io/) can be used set up a virtual environment with the
version of Python required for AllenNLP. If you already have a Python 3.6
environment you want to use, you can skip to the 'installing via pip' section.

1. [Download and install Conda](https://conda.io/docs/download.html).

2. Create a Conda environment with Python 3.6

```bash
conda create -n allennlp python=3.6
```

3. Activate the Conda environment. You will need to activate the Conda environment in each terminal in which you want to use AllenNLP.

```bash
source activate allennlp
```

#### Installing the library and dependencies

Installing the library and dependencies is simple using `pip`.

```bash
pip install allennlp
```

That's it! You're now ready to build and train AllenNLP models.
AllenNLP installs a script when you install the python package, meaning you can run allennlp commands just by typing `allennlp` into a terminal.

_`pip` currently installs Pytorch for CUDA 8 only (or no GPU). If you require a newer version,
please visit http://pytorch.org/ and install the relevant pytorch binary._

### Installing using Docker

Docker provides a virtual machine with everything set up to run AllenNLP--
whether you will leverage a GPU or just run on a CPU. Docker provides more
isolation and consistency, and also makes it easy to distribute your
environment to a compute cluster.

Once you have [installed Docker](https://docs.docker.com/engine/installation/)
just run `docker run -it -p 8000:8000 --rm allennlp/allennlp:v0.5.0` to get an environment that will run on either the cpu or gpu.

You can now test your installation with `./scripts/verify.py`.

Our Docker image contains the AllenNLP source rather than a `pip` installation. Consequently, the `allennlp` commandline tool is not
installed and you will have to use `./bin/allennlp` instead.

### Installing from source

You can also install AllenNLP by cloning our git repository:

```bash
git clone https://github.com/allenai/allennlp.git
```

Create a Python 3.6 virtual environment, and install the necessary requirements by running:

```bash
INSTALL_TEST_REQUIREMENTS=true scripts/install_requirements.sh
```

Changing the flag to false if you don't want to be able to run tests.

Note that if you use the source installation, you won't be able to use the `allennlp`
command but rather you'll need to run `./bin/allennlp`.

You can test your installation with `./scripts/verify.py`.

## Running AllenNLP

Once you've installed AllenNLP, you can run the command-line interface either
with the `allennlp` command (if you installed via `pip`) or `python -m
allennlp.run` (if you installed via source).

```bash
$ allennlp
Run AllenNLP

optional arguments:
-h, --help show this help message and exit

Commands:

train Train a model
evaluate Evaluate the specified model + dataset
predict Use a trained model to make predictions.
make-vocab Create a vocabulary
elmo Use a trained model to make predictions.
fine-tune Continue training a model on a new dataset
dry-run Create a vocabulary, compute dataset statistics and other
training utilities.
test-install
Run the unit tests.
```

## What is AllenNLP?

Built on PyTorch, AllenNLP makes it easy to design and evaluate new deep
learning models for nearly any NLP problem, along with the infrastructure to
easily run them in the cloud or on your laptop. AllenNLP was designed with the
following principles:

* *Hyper-modular and lightweight.* Use the parts which you like seamlessly with PyTorch.
* *Extensively tested and easy to extend.* Test coverage is above 90% and the example
models provide a template for contributions.
* *Take padding and masking seriously*, making it easy to implement correct
models without the pain.
* *Experiment friendly.* Run reproducible experiments from a json
specification with comprehensive logging.

AllenNLP includes reference implementations of high quality models for Semantic
Role Labelling, Question and Answering (BiDAF), Entailment (decomposable
attention), and more.

AllenNLP is built and maintained by the Allen Institute for Artificial
Intelligence, in close collaboration with researchers at the University of
Washington and elsewhere. With a dedicated team of best-in-field researchers
and software engineers, the AllenNLP project is uniquely positioned to provide
state of the art models with high quality engineering.

<table>
<tr>
<td><b> allennlp </b></td>
<td> an open-source NLP research library, built on PyTorch </td>
</tr>
<tr>
<td><b> allennlp.commands </b></td>
<td> functionality for a CLI and web service </td>
</tr>
<tr>
<td><b> allennlp.data </b></td>
<td> a data processing module for loading datasets and encoding strings as integers for representation in matrices </td>
</tr>
<tr>
<td><b> allennlp.models </b></td>
<td> a collection of state-of-the-art models </td>
</tr>
<tr>
<td><b> allennlp.modules </b></td>
<td> a collection of PyTorch modules for use with text </td>
</tr>
<tr>
<td><b> allennlp.nn </b></td>
<td> tensor utility functions, such as initializers and activation functions </td>
</tr>
<tr>
<td><b> allennlp.service </b></td>
<td> a web server to serve our demo and API </td>
</tr>
<tr>
<td><b> allennlp.training </b></td>
<td> functionality for training models </td>
</tr>
</table>

## Docker images

AllenNLP releases Docker images to Docker Cloud for each release. For information on how to run these releases, see
[Installing using Docker](#installing-using-docker).

### Building a Docker image

For various reasons you may need to create your own AllenNLP Docker image.
The same image can be used either with a CPU or a GPU.

First, follow the instructions above for setting up a development environment.
Then run the following command
(it will take some time, as it completely builds the
environment needed to run AllenNLP.)

```bash
docker build --tag allennlp/allennlp .
```

You should now be able to see this image listed by running `docker images allennlp`.

```
REPOSITORY TAG IMAGE ID CREATED SIZE
allennlp/allennlp latest b66aee6cb593 5 minutes ago 2.38GB
```

### Running the Docker image

You can run the image with `docker run --rm -it allennlp/allennlp`. The `--rm` flag cleans up the image on exit and the
`-it` flags make the session interactive so you can use the bash shell the Docker image starts.

You can test your installation by running `./scripts/verify.py`.

## Citing

If you use AllenNLP in your research, please cite [AllenNLP: A Deep Semantic Natural Language Processing Platform](https://www.semanticscholar.org/paper/AllenNLP%3A-A-Deep-Semantic-Natural-Language-Platform-Gardner-Grus/a5502187140cdd98d76ae711973dbcdaf1fef46d).

```
@inproceedings{Gardner2017AllenNLP,
title={AllenNLP: A Deep Semantic Natural Language Processing Platform},
author={Matt Gardner and Joel Grus and Mark Neumann and Oyvind Tafjord
and Pradeep Dasigi and Nelson F. Liu and Matthew Peters and
Michael Schmitz and Luke S. Zettlemoyer},
year={2017},
Eprint = {arXiv:1803.07640},
}
```

## Team

AllenNLP is an open-source project backed by [the Allen Institute for Artificial Intelligence (AI2)](http://www.allenai.org).
AI2 is a non-profit institute with the mission to contribute to humanity through high-impact AI research and engineering.
To learn more about who specifically contributed to this codebase, see [our contributors](https://github.com/allenai/allennlp/graphs/contributors) page.


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