Báo cáo khoa học: "Learning Strategies for Open-Domain Natural Language Question Answering" pdf

... 85–90,Ann Arbor, Michigan, June 2005.c2005 Association for Computational LinguisticsLearning Strategies for Open-Domain Natural Language Question Answering Eugene Grois Department of Computer ... learning strategies for natural language question answering from examples composed of textual sources, questions, and answers. Our approach is focused on one specific type of text-based question ... matches that of the reformulated question s as closely as possible. 3 Experimental Evaluation 3.1 Experimental Setup We evaluate our approach to open-domain natural language question answering...

Báo cáo khoa học: "Fertility Models for Statistical Natural Language Understanding" pdf

... developed for French to English translation. However, in NLU there is a fun- damental asymmetry between the natural language and the unambiguous formal language. Most no- tably, one formal language ... then generated from a sin- gle formal language word using a translation model. The notion of what constitutes a natural clumping depends on the formal language. For example, sup- pose the English ... into an equivalent expression, F, in an unambigous formal language. Typically, this for- mal language will be hand-crafted to enhance per- formance on some task-specific domain. A statisti-...

Báo cáo khoa học: "Automated planning for situated natural language generation" pptx

... Association for Computational Linguistics, pages 1573–1582,Uppsala, Sweden, 11-16 July 2010.c2010 Association for Computational LinguisticsAutomated planning for situated natural language generationKonstantina ... en-try for “pushes” furthermore uses subj and obj for the subject and object argument, respectively. Wecombine here for simplicity the entries for “the”and “button” into “the button”. For generation, ... ﬁnding that it performswell even under the constraints of real-time generation.1 IntroductionThe problem of situated natural language gen-eration (NLG)—i.e., of generating natural lan-guage...

Báo cáo khoa học: "An Interface for Rapid Natural Language Processing Development in UIMA" potx

... 139–144,Portland, Oregon, USA, 21 June 2011.c2011 Association for Computational Linguistics An Interface for Rapid Natural Language Processing Development in UIMA Balaji R. Soundrarajan, ... anno-tations within natural language processing (NLP) projects built using the open source Apache Un-structured Information Management Architecture (UIMA)1. Many NLP tasks are performed in processing ... algorithm for identifying words before or after a term that suggest, for ex-ample, that a particular symptom is not present in a patient: “the patient has no fever.” Other methods for understanding...

Báo cáo khoa học: "A Framework for Unsupervised Natural Language Morphology Induction" docx

... A Framework for Unsupervised Natural Language Morphology Induction Christian Monson Language Technologies Institute Carnegie Mellon University 5000 Forbes Ave. Pittsburgh, PA, ... discover the morpho-logical structure of a natural language through the analysis of corpora. This paper presents a framework for automatic natural language morphology induction inspired by ... formalization of the full search space of all candidate inflection classes. With this framework in place, defining search strategies for morpheme discovery becomes a natural and straightforward...

Báo cáo khoa học: " LOCALIZATION STRATEGIES BLEM IN NATURAL-LANGUAGE FRONT ENDS" pptx

... •OBLEM LOCALIZATION STRATEGIES FOR PRAGMATI~S ~ IN NATURAL- LANGUAGE FRONT ENDS• Lance A. Remshaw & Ralph ~L Welschedel Department of Ccaputer and Information Sciences University ... check for pragmatic failures in natural language input to computer sys- tems, such as a cooperative natural language interface to Unix •• . Our heuristics call for selecting the most hopeful ... goal, for instance, In planning, backward-chnining inference, or top-down parnin~ We examine beurls- tics and strategies for problem localization in the context of using a planner to check for...

Báo cáo khoa học: "Utilizing Co-Occurrence of Answers in Question Answering" pdf

... the questions. This indicates that the an-swers to these questions have high co-occurrence. In an automatic QA system which processes the questions independently, the answers to the questions ... we found the answers of some questions in a series have higher co-occurrence. For example, in a series of questions on a topic of disaster event, the answers to questions such as “when the ... frequently asked questions on each topic category and mapped these questions to the corresponding attributes of the topic. We focused on frequently asked questions because these questions are...

Tài liệu Báo cáo khoa học: "Resumption strategies for an in-vehicle dialogue system" ppt

... wanted a new question to discuss.The passenger too had to have a strategy for whento change topic. The reasons for this setup wasto elicit a natural and fairly intense dialogue andto force the ... That means that the most common rea-son for the speaker to interrupt is to ask for or giveinformation that is crucial for the driving task (asopposed for the other and trafﬁc domains, whichare ... inter-view questions and the navigation instructions andtherefore is the one that is forcing both the inter-view and the navigation task through.4.3 Workload levelThe in-vehicle environment is forcing...

Tài liệu Báo cáo khoa học: "DESCRIPTION STRATEGIES FOR NAIVE AND EXPERT USERS" pot

... for the novice tend to include more detail about functional reformation than descriptions for the expert. We have shown how formalization of the strategies allows for the development of question- answering ... have been widely used for a number of years for those audiences. They provide examples of different descriptive strategies that actually occur in natural language. Thus, a question- answering ... expert), but, for users not at either of these ends, we must consider how to combine these strategies. 243 We have started to address the problem of generating natural language for the descriptions....

Báo cáo khoa học: "Offline Strategies for Online Question Answering: Answering Questions Before They Are Asked" ppt

... Offline Strategies for Online Question Answering: Answering Questions Before They Are Asked Michael Fleischman, Eduard Hovy, Abdessamad Echihabi USC Information Sciences Institute ... relational information offline, creating a data repository that is used to efficiently answer questions. We evaluate our strategy on a challenging subset of questions, i.e. “Who is …” questions, ... complete repository of useful information. Most newspaper texts, for example, do not remain accessible on the Web for more than a few weeks. Further, while Information Retrieval techniques...

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