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IMNAMAP - Iterative Multi-document Neural Attention for Multiple Answer Prediction

Code for the paper "Iterative Multi-document Neural Attention for Multiple Answer Prediction".

Description

People have information needs of varying complexity, which can be solved by an intelligent agent able to answer questions formulated in a proper way, eventually considering user context and preferences. In a scenario in which the user profile can be considered as a question, intelligent agents able to answer questions can be used to find the most relevant answers for a given user.

In this work we propose a novel model based on Artificial Neural Networks to answer questions with multiple answers by exploiting multiple facts retrieved from a knowledge base. The model is evaluated on the factoid Question Answering and top-n recommendation tasks of the bAbI Movie Dialog dataset.

After assessing the performance of the model on both tasks, we try to define the long-term goal of a conversational recommender system able to interact using natural language and supporting users in their information seeking processes in a personalized way.

Requirements

  • Python >= 3.4
  • TensorFlow >= 0.11.0
  • NLTK >= 3.2.1
  • Elasticsearch (Python API) >= 2.3.0

Usage

  1. Create pickle file for movie dialog dataset using build_movie_dialog.py
  2. Create Elasticsearch index from movie dialog knowledge base using index_movie_dialog.py
  3. Train IMNAMAP models for movie dialog (tasks 1 or 2) using train_movie_dialog.py (default command-line parameters are the ones used in the paper)
  4. Evaluate the trained models using eval_movie_dialog.py

Authors

All the following authors have equally contributed to this project (listed in alphabetical order by surname):