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TALP-UPC at TREC 2005: Experiments using voting scheme among three heterogeneous QA systems
dc.contributor.author | Ferrés Domènech, Daniel |
dc.contributor.author | Kanaan Izquierdo, Samir |
dc.contributor.author | González Pellicer, Edgar |
dc.contributor.author | Ageno Pulido, Alicia |
dc.contributor.author | Fuentes Fort, Maria |
dc.contributor.author | Rodríguez Hontoria, Horacio |
dc.contributor.author | Surdeanu, Mihai |
dc.contributor.author | Turmo Borras, Jorge |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Llenguatges i Sistemes Informàtics |
dc.date.accessioned | 2013-09-27T16:48:34Z |
dc.date.available | 2013-09-27T16:48:34Z |
dc.date.created | 2005 |
dc.date.issued | 2005 |
dc.identifier.citation | Ferrés, D. [et al.]. TALP-UPC at TREC 2005: Experiments using voting scheme among three heterogeneous QA systems. A: Text Retrieval Conference. "Proceedings of the Fourteenth Text REtrieval Conference, TREC 2005, Gaithersburg, Maryland, November 15-18, 2005". Gaithersburg: 2005. |
dc.identifier.uri | http://hdl.handle.net/2117/20231 |
dc.description.abstract | This paper describes the experiments of the TALP-UPC group for factoid and ’other’ (definitional) questions at TREC 2005 Main Question Answering (QA)task. Our current approach for factoid questions is based on a voting scheme among three QA systems: TALP-QA (our previous QA system), Sibyl (a new QA system developed at DAMA-UPC and TALP-UPC), and Aranea (a web-based data-driven approach). For defitional questions, we used two different systems: the TALP-QA Definitional system and LCSUM (a Summarization-based system). Our results for factoid questions indicate that the voting strategy improves the accuracy from 7.5% to 17.1%. While these numbers are low (due to technical problems in the Answer Extraction phase of TALP-QA system) they indicate that voting is a succesful approach for performance boosting of QA systems. The answer to definitional questions is produced by selecting phrases using set of patterns associated with definitions. Its results are 17.2% of F-score in the best configuration of TALP-QA Definitional system. |
dc.language.iso | eng |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Spain |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
dc.subject | Àrees temàtiques de la UPC::Informàtica |
dc.title | TALP-UPC at TREC 2005: Experiments using voting scheme among three heterogeneous QA systems |
dc.type | Conference report |
dc.contributor.group | Universitat Politècnica de Catalunya. GPLN - Grup de Processament del Llenguatge Natural |
dc.rights.access | Open Access |
local.identifier.drac | 11147888 |
dc.description.version | Postprint (published version) |
local.citation.author | Ferrés, D.; Kanaan, S.; Gonzàlez, E.; Ageno, A.; Fuentes, M.; Rodriguez, H.; Surdeanu, M.; Turmo, J. |
local.citation.contributor | Text Retrieval Conference |
local.citation.pubplace | Gaithersburg |
local.citation.publicationName | Proceedings of the Fourteenth Text REtrieval Conference, TREC 2005, Gaithersburg, Maryland, November 15-18, 2005 |