A Natural Language Question Answering System as a Participant in Human Q&A Portals

Dong, Tiansi; Furbach, Ulrich; Glöckner, Ingo; Pelzer, Björn

doi:10.5591/978-1-57735-516-8/IJCAI11-405

A Natural Language Question Answering System as a Participant in Human Q&A Portals

Tiansi Dong, Ulrich Furbach, Ingo Glöckner, Björn Pelzer

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Proceedings of the Twenty-Second International Joint Conference on Artificial Intelligence. Pages 2430-2434.

https://doi.org/10.5591/978-1-57735-516-8/IJCAI11-405

Abstract

LogAnswer is a question answering (QA) system for the German language, aimed at providing concise and correct answers to arbitrary questions. For this purpose LogAnswer is designed as an embedded artificial intelligence system which integrates methods from several fields of AI, namely natural language processing, machine learning, knowledge representation and automated theorem proving. We intend to employ LogAnswer as a virtual user within Internet-based QA forums, where it must be able to identify the questions that it cannot answer correctly, a task that normally receives little attention in QA research compared to the actual answer derivation. The paper presents a machine learning solution to the wrong answer avoidance (WAA) problem, applying a meta classifier to the output of simple term-based classifiers and a rich set of other WAA features. Experiments with a large set of real-world questions from a QA forum show that the proposed method significantly improves the WAA characteristics of our system.

Tiansi Dong, Ulrich Furbach, Ingo Glöckner, and Björn Pelzer. 2011. A Natural Language Question Answering System as a Participant in Human Q&A Portals. In Proceedings of the Twenty-Second International Joint Conference on Artificial Intelligence, IJCAI-11. IJCAI, 2430–2434. https://doi.org/10.5591/978-1-57735-516-8/IJCAI11-405

@inproceedings{ijcai2011p405,
  title     = {A Natural Language Question Answering System as a Participant in Human Q&A Portals},
  author    = {Dong, Tiansi and Furbach, Ulrich and Glöckner, Ingo and Pelzer, Björn},
  booktitle = {Proceedings of the Twenty-Second International Joint Conference on
               Artificial Intelligence, {IJCAI-11}},
  publisher = {AAAI Press/International Joint Conferences on Artificial Intelligence},
  editor    = {Toby Walsh},
  pages     = {2430--2434},
  year      = {2011},
  month     = {7},
  doi       = {10.5591/978-1-57735-516-8/IJCAI11-405},
  url       = {https://doi.org/10.5591/978-1-57735-516-8/IJCAI11-405},
}

TY  - CPAPER
TI  - A Natural Language Question Answering System as a Participant in Human Q&A Portals
AU  - Dong, Tiansi
AU  - Furbach, Ulrich
AU  - Glöckner, Ingo
AU  - Pelzer, Björn
T2  - Proceedings of the Twenty-Second International Joint Conference on Artificial Intelligence, IJCAI-11
PB  - AAAI Press/International Joint Conferences on Artificial Intelligence
PY  - 2011
SP  - 2430
EP  - 2434
DO  - 10.5591/978-1-57735-516-8/IJCAI11-405
UR  - https://doi.org/10.5591/978-1-57735-516-8/IJCAI11-405
ER  -