RESEARCH


Question Answering: harmonious combination of the strengths of Natural Language Processing and Information Retrieval for Robust, High-Precision Answer Extraction from Large Text Collections


Advisor: Sanda Harabagiu, Ph.D.
We are part of the Natural Language Processing Group at Southern Methodist University
 
 

PUBLICATIONS (in reverse chronological order)


                  - Marius Pasca: Open-Domain Factual Answer Extraction, Ph.D. Qualifying Thesis, Computer Science and Engineering Department, Southern Methodist University, September 2000, Dallas, Texas.

                  - Marius Pasca: Evaluation de la Pertinence dans un Systeme de Recherche d'Informations a Base de Graphes Conceptuels, Master Thesis (Technical Report, Institut d'Informatique et Mathetiques Appliquees de Grenoble), Universite Joseph Fourier, May 1998, Grenoble, France.

                  - Marius Pasca: Extending a Conceptual Graphs Platform, B.Sc. Thesis, Universitatea Tehnica Cluj-Napoca, September 1997, Cluj-Napoca, Romania.


                  - Dan Moldovan, Sanda Harabagiu, Marius Pasca, Rada Mihalcea, Roxana Girju, Richard Goodrum and Vasile Rus: The Structure and Performance of an Open-Domain Question Answering System. 38th Annual Meeting of the Association for Computational Linguistics (Acl-2000), October 2000, Hong Kong.

                  - Sanda Harabagiu, Marius Pasca and Steven Maiorano: Experiments with Open-Domain Textual Question Answering. 18th International Conference on Computational Linguistics (Coling-2000), August 2000, Saarbrucken, Germany.

                  - Sanda Harabagiu and Marius Pasca: Mining Textual Answers with Knowledge-Based Indicators. Presented at Flairs-2000, May 2000, Orlando, Florida.

                  - Dan Moldovan, Sanda Harabagiu, Marius Pasca, Rada Mihalcea, Richard Goodrum, Roxana Girju and Vasile Rus: LASSO: A Tool for Surfing the Answer Net. Eighth Text Retrieval Conference (Trec-8), November 1999, Gaithersburg, Maryland.

                   - Sanda Harabagiu and Marius Pasca: Integrating Symbolic and Statistical Methods for Prepositional Phrase Attachment. Flairs-99, May 1999, Orlando, Florida.

                   - Iadh Ounis and Marius Pasca: RELIEF: Combining Expressiveness and Rapidity into a Single System. ACM SIGIR Conference on Research and Development in Information Retrieval (Sigir-98), August 1998, Melbourne, Australia.

                    - Yves Chiaramella, Philippe Mulhem , Mourad Mechkour , Iadh Ounis and Marius Pasca: Toward a Fast Precision-Oriented Image Retrieval System. ACM SIGIR Conference on Research and Development in Information Retrieval (Sigir-98), Demo Session, August 1998, Melbourne, Australia.

                   - Iadh Ounis and Marius Pasca: Finding the Best Parameters for Image Ranking: a User-Oriented Approach. IEEE Knowledge and Data Engineering Exchange Workshop (Kdex-98), 1998, Taipei, Taiwan.

                   - Iadh Ounis and Marius Pasca: Modeling, Indexing and Retrieving Images Using Conceptual Graphs. Database and Expert Systems Applications, 9th International Conference (Dexa-98), August 1998, Vienna, Austria. In Lecture Notes in Computer Science, Vol. 1460, Springer, 1998

                   - Iadh Ounis and Marius Pasca: A Promising Retrieval Algorithm for Systems Based on the Conceptual Graphs Formalism. International  Database Engineering & Applications  Symposium (Ideas-98),  July 1998, Cardiff, Wales, UK

                   - Iadh Ounis and Marius Pasca: Efficient Query Processing using Conceptual Graphs. Presented at 20thBCS-IRSGColloquium: Discovering new worlds of IR, March 1998, Grenoble, France.

                  - Iadh Ounis and Marius Pasca: An Extended Inverted File Approach for Information Retrieval. International  Database Engineering & Applications  Symposium (Ideas-97),  August 1997, Montreal, Canada

                   - Iadh Ounis and Marius Pasca:  The RELIEF Retrieval System.  IEEE Knowledge and Data Engineering Exchange Workshop (Kdex-97)  , November 1997, Newport Beach, California, U.S.A.
 



mars@engr.smu.edu