ontologies and adaptivity in dialogue for question answering

... considerable gains in performance can be obtained by incorporating TE during both answer processing and passage re- trieval. While best results were obtained using the Hybrid Method (which boosted performance by ... in a text can be inferred from the information expressed in another text, can be performed in four ways. We can try to (1) derive linguistic information from the pair of texts, and cast the inference ... Linguistics Methods for Using Textual Entailment in Open-Domain Question Answering Sanda Harabagiu and Andrew Hickl Language Computer Corporation 1701 North Collins Boulevard Richardson, Texas 75080 USA sanda@languagecomputer.com Abstract Work...

Ngày tải lên: 08/03/2014, 02:21

... they are also in copula (linking) sentence form that is, they are only formed by subject and information about the subject as: {subject + linking-verb + subject- info.}. Thus, we investigate such ... semi-supervised learning for the question- answering (QA) task for ranking candidate sentences. Us- ing textual entailment analysis, we obtain entailment scores between a natural lan- guage question posed ... (high pitched). Questions in Affirmative Form: To derive lin- guistic information from pair of texts (statements), we parse the question and turn into affirmative form by replacing the wh-word...

Ngày tải lên: 20/02/2014, 07:20

... Prop- Bank. In LREC’02. C. C. T. Kwok, O. Etzioni, and D. S. Weld. 2001. Scaling question answering to the web. In WWW’01. X. Li and D. Roth. 2005. Learning question classifiers: the role of semantic information. ... Quarteroni and S. Manandhar. 2006. User modelling for Adaptive Question Answering and Information Retrieval. In FLAIRS’06. E. M. Voorhees. 2001. Overview of the TREC 2001 QA track. In TREC’01. D. ... practical. In Advances in Kernel Methods - Support Vector Learning. H. Kazawa, H. Isozaki, and E. Maeda. 2001. NTT question answering system in TREC 2001. In TREC’01. P. Kingsbury and M. Palmer....

Ngày tải lên: 20/02/2014, 12:20

... A. An intelligent tutoring system for electronics troubleshooting: DC-circuit understanding, in Knowing and Learning : lssues for the Cognitive Psychology of Instruction, L. Resnick ed., Hillsdale ... representation, or the instructional plan. The individual conditions are combined to determine a final "score" for the PMM, using a calculus akin to MYCIN's certainty factors ([Shortliffe ... common and highly pragmatic process used in many different kinds of dialogue, especially tutorial dialogue. We use imperfect or incomplete representations in response to constraints and demands...

Ngày tải lên: 20/02/2014, 21:20

... behaviors account for the effort invested and provides a basis for the empirical testing of dialogue principles. The use of this system provides a positive and negative score for each dialogue move. ... reply (no giving info): breaks the maxims of quantity and relevance 0 Giving instruction: cooperation baseline, task demands 1 Question answering y/n: applies the maxims of quality and relevance ... Repeating instruction: applies the maxims of quantity and manner 2 Question answering y/n + adding info: applies the maxims of quantity, quality and relevance 2 Checking the other understands...

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Ngày tải lên: 17/03/2014, 22:20

... Endangerment’ and Civic Responsibility 166 (b) Pure(r) Mala Prohibita 172 8. ANSWERING AND REFUSING TO ANSWER 175 1. Answering and Answering For 176 2. Refusing to Answer 179 (a) Bars to Trial: An Initial ... if we have any: depending on the kind of team it is, I may be responsible to them not merely for how I play (and whether I turn up), but for keeping fit and joining in training. But I am not responsible ... Division: Answering _for_ Crime_1 /Pg. Position: 9 / Date: 10/9 JOBNAME: Duff: Answering for PAGE: 5 SESS: 3 OUTPUT: Fri Oct 19 13:10:11 2007 find it either in the existing criminal law, or in the...

Ngày tải lên: 18/02/2014, 12:20

... answer Q prev avg rating ”want in answer in the” in question CA avg asker rating ”adenocarcinoma” in question CA History “anybody” in question ”was” in question ”who is” in question Q content ... model. 1 Introduction Community Question Answering (CQA) has re- cently become a viable method for seeking infor- mation online. As an alternative to using general- purpose web search engines, information ... question answering. In Proceedings of SIGIR. R. Soricut and E. Brill. 2004. Automatic question an- swering: Beyond the factoid. In HLT-NAACL. I. Witten and E. Frank. 2005. Data Mining: Practical machine...

Ngày tải lên: 20/02/2014, 09:20

... Demner-Fushman and J. Lin. 2005. Knowledge ex- traction for clinical question answering: Preliminary results. In AAAI 2005 Workshop on QA in Restricted Domains. D. Demner-Fushman and J. Lin. 2006, in press. ... Clustering, and Extractive Summarization for Clinical Question Answering Dina Demner-Fushman 1,3 and Jimmy Lin 1,2,3 1 Department of Computer Science 2 College of Information Studies 3 Institute for ... principles for online information delivery to handheld computers. In MEDINFO 2004. M. Hearst and J. Pedersen. 1996. Reexaming the clus- ter hypothesis: Scatter/gather on retrieval results. In SIGIR...

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Ngày tải lên: 22/06/2014, 19:20

... of beginning and ending temperatures through 20 o C, 25 o C. The dates of beginning and ending temperatures through 20 o C, 25 o C are very important for defining the crop calendar and crop ... rotation , especially for defining the growing period for Agriculture in the North and in the Mountain regions. STRATEGIES TO BE ADAPTED ON AGRICULTURE FOR SUSTAINABLE DEVELOPMENT 2) ... climate change. In this preparing a"handbook for Central and local Gevernments" CLIMATE CHANGE AND VARIABILITY IN VIETNAM AND STRATEGIESTO BE ADDAPTED ON AGRICULTURE FOR SUSTAINABLE DEVELOPMENT By...

Ngày tải lên: 23/09/2012, 15:10

... understand- ing provides insight into potential errors (bias and random error) related to data based on clinical examina- Acta Veterinaria Scandinavica 2009, 51:36 http://www.actavetscand.com/content/51/1/36 Page ... life in general and have earlier been used in veterinary sciences for simi- lar purposes [1,7,8]. In this particular interview study, the aim was to reveal perceptions and reasoning behind gen- eration ... be applied in the dairy sec- tor in many ways and for many reasons. In the following we will discuss the consequences of variation and bias in relation to monitoring of animal disease incidence...

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Ngày tải lên: 07/11/2012, 14:21