Báo cáo khoa học: "Learning foci for Question Answering over Topic Maps" ppt

... addresses domain portable Question Answering (QA) over Topic Maps. That is, a QAsystem capable of retrieving answers to a question asked against one particular topic map or topic maps collection ... formats.We describe an approach to the identiﬁca-tion of the question focus from questionsasked to a Question Answering system over Topic Maps by extracting the askingpoint and falling back to ... pages 325–328,Suntec, Singapore, 4 August 2009.c2009 ACL and AFNLPLearning foci for Question Answering over Topic MapsAlexander Mikhailian†, Tiphaine Dalmas‡and Rani Pinchuk††Space...

Báo cáo khoa học: "Resource Analysis for Question Answering" doc

... loosely structured information, the availablestructured data is a valuable resource for question answering. Gazetteers in particular cover severalfrequently-asked factoid question types, such ... 4: Coverage of TREC questions divided bymost common answer types.Table 4 shows TREC question coverage brokendown by answer type. Due to temporal consistency,numeric questions are not covered ... document for almost half of the questions. Note that for mostsystems, the retrieval performance should be supe-rior since queries are usually more reﬁned and addi-tional query expansion is performed....

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

... 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 answering ... answering questions from a single narrative document. An important challenge in text-based question answering in general is posed by the syntactic and semantic variability of question and answer forms, ... ESSINGLAYERST ART Figure 1. The QABLe architecture for question answering. 86semantic category of information requested by the question. Currently, this taxonomy is identical to that...

Báo cáo khoa học: " A Practical Korean Question Answering Framework for Restricted Domain" pptx

... gener-ation.The Web information extraction (IE) compo-nent extracts the domain-speciﬁc information for question answering from Web pages and storesthe information into the relational database. For the domain ... techniques for reducing the humaneffort, such as simplifying rules based on linguis-tic information and machine learning approaches.Our effort for the robustness is focused the question analysis. ... using a technique for deep understanding of the question, the ques-tion analysis component of K-QARD tries to ex-tract only essential information for answering us-ing the information extraction...

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

... with an interrupt -topic. • reraise -topic: whatever → finished topic – A topic is considered to be reraised if ithas been discussed before and then beenfinished with an end -topic. The utterances ... respect to topic change for eachdomain.Domain and topic was defined as:• interview domain: discussions about the in-terview questions where each interview ques-tion was defined as a topic • navigation ... previous event wasdefined as a topic Topic changes has been coded as follows:• begin -topic: whatever → new topic – I.e., the participants start discussing aninterview question, a navigation instruc-tion,...

Tài liệu Báo cáo khoa học: "Opinion and Generic Question Answering Systems: a Performance Analysis" ppt

... containing NEs of the question Expected Answer Type (EAT). Table 2 presents the results ob-tained for English and Table 3 for Spanish. We indicate the id of the question (Q), the question type (T) ... the correct answers corresponding to the questions. 1.1 Questions No TYPE QUESTION 1 F F What international organization do people criticize for its policy on carbon emissions? ¿Cuál ... ques-tions for each language and also the Gold Standard for their answers in the corpus. The purpose of our work is to study the challenges involved in a mixed fact and opinion question answering...

Tài liệu Báo cáo khoa học: "A Framework for Processing Partially Free Word Order" ppt

... concerned with choosing a formalism for an extended semantic component, but rather with demonstrating where the syntax has to provide for those elements of discourse information that influence ... framework can be found in Gazdar and Pullum (1982). For :t description of the II)/LP format refer to Gazdar and Pullum (Ig8l} and Klein (1983), for the ID/LP treatment of German t,, tszkoreit ... contains new important information. (lc) could be uttered as an answer to someone who inquires about both the giver and recipient of the pill (for example, with the question: Who gave whom the...

Tài liệu Báo cáo khoa học: "AN ALGORITHM FOR IDENTIFYING COGNATES BETWEEN RELATED LANGUAGES" pptx

... algorithm is given no information whatsoever about the phonemic transcription .used, and even though cognate identification is carried out on the basis of a context-free one -for- one matching ... mata/nas. We base no information about the phonetic values of their constituent characters, we do not know whether the same system of transcription was used in both wordllsts: for all we know "a" ... evidence for these possible correspondences in an TxS matrix, where T is the number of different characters found in the Titla wordllst, S that in the Sese wordllst. Thus the evidence afforded...

Báo cáo khoa học: "Vocabulary Decomposition for Estonian Open Vocabulary Speech Recognition" ppt

... 2 word forms, 2 morphs and 2morphemes, the second 3 word forms, 3 morphs and1 morpheme. Although in the ﬁrst example, thereare 3 word instances of the 2 word forms, the lat-ter word form being ... each were used for eval-uation, while sentences from 15 speakers were used for development. LM scaling factor was optimized for each model separately on the development set.On total over 200 hours ... straightfor-ward in Estonian, the morpheme-based approachesdo not suffer from erroneous pronunciations, result-ing in clearly superior performance.As for the superiority of the “grammar” over...

Báo cáo khoa học: "Experiments with Interactive Question-Answering" doc

... ShellOnline Question Answering Topic Predictive Dialogue Question AnswerDecomposition Question InformationExtractionRepresentationOff−line Question Answering Database (QUAB) Question AnswerFigure ... framework for interactive question- answering (Q/A)based on predictive questioning. Gen-erated off-line from topic representationsof complex scenarios, predictive ques-tions represent requests for ... predicting the range of questions thata user might ask in the context of a given topic. If a large database of topic- relevant questions wereavailable for a wide variety of topics, the accuracyof...

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