The functionality of this API is now integrated with ConvoKit. This new implementation more directly exposes politeness strategies, which can used in downstream tasks (see example scripts in ConvoKit). As such, we are discontinuing support for this API.
Python3 version is available here: https://github.com/sudhof/politeness/tree/python3 (refactored from Version 1.01 through the kindness of Benjamin Meyers).
Note: This python3 version was not yet tested by us, nor compared against the results from our paper (listed below). The code used in the paper is still here in the master branch of this repository (keep on reading).
Python implementation of a politeness classifier for requests, based on the work described in:
A computational approach to politeness with application to social factors.
Cristian Danescu-Niculescu-Mizil, Moritz Sudhof, Dan Jurafsky, Jure Leskovec, Christopher Potts.
Proceedings of ACL, 2013.
We release this code hoping that others will use and improve on our work.
NOTE: If you use this API in your work please send an email to [email protected] so we can add you to our list of users. Thanks!
Further resources:
Info about our work: http://cs.cornell.edu/~cristian/Politeness.html
A web interface to the politeness model: http://politeness.cornell.edu/
The Stanford Politeness Corpus: http://cs.cornell.edu/~cristian/Politeness_files/Stanford_politeness_corpus.zip
Using this API you can:
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classify requests using politeness.model.score (using the provided pre-trained model)
-
train new models on new data using politeness.scripts.train_model
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experiment with new politeness features in politeness.features.vectorizer and politeness.features.politeness_strategies
Input: Requests must be pre-processed with sentences and dependency parses. We used nltk's PunktSentenceTokenizer for sentence tokenization and Stanford CoreNLP version 1.3.3 for dependency parsing. A sample of the expected format for documents is given in politeness.test_documents
Caveat: This work focuses on requests, not all kinds of utterances. The model's predictions on non-request utterances will be less accurate. As a bonus, our code also includes a very simple heuristic to check whether a document looks like a request (see politeness.request_utils).
Requirements:
python package requirements are listed in requirements.txt. We recommend setting up a new python environment using virtualenv and installing the dependencies by running
pip install -r requirements.txt
Additionally, since the code uses nltk.word_tokenize to tokenize text, you will need to download the tokenizers/punkt/english.pickle nltk resource. If you've worked with nltk before, there's a good chance you've already downloaded this model. Otherwise, open the python interpreter and run:
import nltk
nltk.download()
In the window that opens, navigate to Models and download the Punkt Tokenizer Models.
Sanity Check:
To make sure everything's working, navigate to the code directory and run
python model.py
This should print out the politeness probabilities for 4 test documents.
Contact: Please email any questions to: [email protected] (Cristian Danescu-Niculescu-Mizil) and [email protected] (Moritz Sudhof)
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