Opinion Detector
----------------

Component that wraps a machine learned Opinion Detector in Python.

### Confused by some terminology?

This software is part of a larger collection of natural language processing tools known as "the OpeNER project". You can find more information about the project at [the OpeNER portal](http://opener-project.github.io). There you can also find references to terms like KAF (an XML standard to represent linguistic annotations in texts), component, cores, scenario's and pipelines.

Quick Use Example
-----------------

Installing the opinion-detector can be done by executing:

    gem install opener-opinion-detector

Please bare in mind that all components in OpeNER take KAF as an input and output KAF by default.

### Command line interface

You should now be able to call the opinion detector as a regular shell command: by its name. Once installed the gem normally sits in your path so you can call it directly from anywhere.

This application reads a text from standard input in order process it. It needs models to work. There is a free set of models available trained on a news corpus.

    cat englist.kaf | opinion-detector \
          --resource-path /path/to/models \
          --resource-url http://opener.s3.amazonaws.com/Models/final_models_news_20140522.zip

You have to download the models separately. You can download them here:

This will output:

```

```

### Webservices

You can launch a webservice by executing:

    opinion-detector-server

This will launch a mini webserver with the webservice. It defaults to port 9292, so you can access it at <http://localhost:9292>.

To launch it on a different port provide the `-p [port-number]` option like this:

    opinion-detector-server -p 1234

It then launches at <http://localhost:1234>

Documentation on the Webservice is provided by surfing to the urls provided above. For more information on how to launch a webservice run the command with the ```-h``` option.


### Daemon

Last but not least the opinion detector comes shipped with a daemon that can read jobs (and write) jobs to and from Amazon SQS queues. For more information type:

    opinion-detector-daemon -h


Description of dependencies
---------------------------

This component runs best if you run it in an environment suited for OpeNER components. You can find an installation guide and helper tools in the [OpeNER installer](https://github.com/opener-project/opener-installer) and an [installation guide on the Opener Website](http://opener-project.github.io/getting-started/how-to/local-installation.html)

At least you need the following system setup:

### Dependencies for normal use:

* Ruby 1.9.3 or newer
* Python 2.6 or newer
* lxml

Domain Adaption
---------------

  TODO

Language Extension
------------------

  TODO

The Core
--------

The component is a fat wrapper around the actual language technology core. You can find the core technolies in the following repository

* [opinion-detector-base](https://github.com/opener-project/opinion-detector-base)

Where to go from here
---------------------

* [Check the project websitere](http://opener-project.github.io)
* [Checkout the webservice](http://opener.olery.com/opinion-detector)

Report problem/Get help
-----------------------

If you encounter problems, please email <support@opener-project.eu> or leave an issue in the 
[issue tracker](https://github.com/opener-project/opinion-detector/issues).


Contributing
------------

1. Fork it <http://github.com/opener-project/opinion-detector/fork>
2. Create your feature branch (`git checkout -b my-new-feature`)
3. Commit your changes (`git commit -am 'Add some feature'`)
4. Push to the branch (`git push origin my-new-feature`)
5. Create new Pull Request