a fact based question answering system

... To appear in Proceedings of the 5th Conference on data Mining Las Vegas, Nevada, USA Fangtao Li, Zhicheng Zheng, Tang Yang, Fan Bu, Rong Ge, Xiaoyan Zhu, Xian Zhang, and Minlie Huang THU QUANTA ... doctoral scholarship Ester Boldrini, Alexandra Balahur, Patricio MartínezBarco, and Andrés Montoyo 2009 EmotiBlog: An Annotation Scheme for Emotion Detection and Analysis in Non-Traditional Textual ... sentences was a separate answer to a question Our future work contemplates the study of the impact anaphora resolution and temporality on opinion QA, as well as the possibility to use Answer Validation...

Ngày tải lên: 20/02/2014, 09:20

... example, they can now appear as predicate l e t t e r s in meaning representations Moreover, to the associated data s t r u c t u r e we can attach a t r a n s l a t i o n rule, just as w e have ... Concepts are arranged in a hierarchy of sub-concepts and superconcepts; roles are similarly arranged Both concepts a n d roles m a y associated with names In logical terms, a concept m a y be identified ... stipulations for a n y use of the language in a given domain First, a n y o n e - p l a c e predicate m u s t n a m e a concept, a n d a n y t w o - p l a c e predicate n a m e a role Second, any...

Ngày tải lên: 21/02/2014, 20:20

... was born was born – ( ( - For a given question type a good range of patterns was obtained by giving the system as few as 10 examples ... “Mozart” could be written as “Wolfgang Amadeus Mozart”, “Mozart, Wolfgang Amadeus”, “Amadeus Mozart” or “Mozart” To learn from such variations, in step of Algorithm we specify the various ways ... 0.28 0.2 ( - ) was born on , was born in was born was born - ( ( ( ...

Ngày tải lên: 08/03/2014, 07:20

... Cooperative Natural Language Responses in WEBCOOP Ninth European workshop on Natural Language Generation EACL, Budapest, Hungry Benamara F 2002 A Semantic Representation Formalism for Cooperative Question ... associated with that node The parser dynamically constructs a semantic representation under the form of a frame with attribute-value pairs Values can be atomic or fragments of LCS A detailed analysis ... and What is the difference between a country cottage and a chalet?, induces a comparison In an orthogonal way to the above fundamental typology, additional phenomena have been observed such as:...

Ngày tải lên: 31/03/2014, 20:20

... Antithromboplastino-genemia, Blood Coagulation Disorders, Blood Coagulation Factor, Blood coagulation pathway observation, Blood coagulation tests, Circulating anticoagulants, Coagulation Therapy, Coagulation factor deficiencies, ... tabular form; (ii) An alphabetical index to the disease entries; and (iii) A classification system for surgical, diagnostic, and therapeutic procedures (alphabetic index and tabular list) Parikshit ... Tell me about pathophysiology and treatment of disseminated intravascular coagulation Concepts Disseminated Intravascular Coagulation, Therapeutic procedure, physiopathological, therapeutic aspects...

Ngày tải lên: 22/06/2014, 19:20

... medical domain FEATURES EXTRACTION AND CASE FORMULATION Extracting appropriate features is of great importance in performing accurate classification in a computer-aided system whereas in manual ... diagnosis/classification tasks in the medical domain Montani et al (2001) has combined case -based reasoning, rule -based reasoning (RBR), and model -based reasoning to support therapy for diabetic patients Auguste ... SONG, X., P SANJA, and S SANTHANAM 2007 A Case -Based Reasoning Approach to Dose Planning in Radiotherapy In Proceedings of the 8th European Workshop on Case -based Reasoning in the Health Sciences,...

Ngày tải lên: 07/12/2013, 11:41

... and plan for a strategy in educational management of organizations in Vietnam and Asia [3] However, there are no DSS applications to apply a real case in the domain of an evaluation and a strategic ... implementation, a Web -based DSS is based on ISO 9000 factors for the evaluation and strategic planning for a case study of Vietnam National University Hanoi (VNU) Background an AHP and ISO 9000 ... standards have been adopted by more than 74 countries as national standards for quality assurance The representative of ISO for the USA is the American National Standards Institute (ANSI) and...

Ngày tải lên: 05/03/2014, 14:20

... the attribute values of these layers, are manipulated and analyzed using a map based algebra This set of map based algebraic tools allows determination of co-occurrence at particular locations and ... biophysical, institutional, and behavioral models to answer fundamental questions related to water availability and the impacts of water reallocation A new integrated modeling approach may be necessary ... institutional, and behavioral systems so that the impacts of water transfers can be determined.12 A GIS can also provide spatial data so the economic impacts of reallocation can be analyzed more accurately...

Ngày tải lên: 07/03/2014, 00:20

... problems, such as pronominal anaphora For evaluation, a standard based IR system and a sentence-extraction QA system have been implemented Both are based on Salton approach 1989 After IR system retrieves ... 1999 Julian Kupiec, 1999 MURAX: Finding and Organising Answers from Text Search, pages 311 331 Kluwer Academic, New York Dan Moldovan, Sanda Harabagiu, Marius Pasca, Rada Mihalcea, Richard Goodrum, ... Manuel Palomar, and Lidia a Moreno 1999 An empirical approach to Spanish anaphora resolution To appear in Machine Translation David A Hull 1999 Xerox TREC-8 Question Answering Track Report In Eighth...

Ngày tải lên: 08/03/2014, 05:20

... Question Answering from Natural Language Medical Data Bases, Artificial InteZligence 11 (1978) 25-43 [2] R Grishman, The Simplification of Retrieval Requests Generated by Question- Answering Systems, ... in transforming phrases into predicate calculus and than regenerating them is that syntactic paraphrases will be mapped into a single phrase (one of the paraphrases) For example, "the negative ... QUESTION ANALYSIS RESPONSE SYNTHESIS QUESTICN RESPONSE string analysis I PARSE TREE transformational decomposition generative transformations OPERATOR-OPERAND-ADJUNCT TREE OPERATOR-OPERAND'~ans~T...

Ngày tải lên: 08/03/2014, 18:20

... fundamental assumption that has been made and one that is Justlfled b y examination of several sets of cases is that the sentences dascrlbe an instance of a patient w i t h the assumption that the reader ... correct scope The nature of structured objects and of the sentences in cases Indicate thac a "case'* [Bruce 1975] approach to semantic analysis is a "natural" A case syecsm ham in fact been implemented ... cases not even contain a relation but merely assert the existence of an instance or of an attribute value as in (I0) and ([1) Nasal step od a I0 y e a r o l d w h i t e m a l e I INSTANCES An...

Ngày tải lên: 08/03/2014, 18:20

... de análise morfológica para uso em Processamento de Linguagem Natural” In: Gonçalves, A & Correia, C.N (eds.): Actas XVII Encontro da Associação Portuguesa de Linguística (APL 2001) (Lisboa, ... Proceedings of LREC 2006 (Genoa, Italy, 24-26 May 2006) Paulo Quaresma and Irene Rodrigues 2005 A Logic Programming -based Approach to the QA@CLEF05 Track” In Cross Language Evaluation Forum: Working ... villages, etc), Geographical Locations (locations with no political entailment, like for example Africa), Date and Quantity When the type of question leads to one or more of those named entity categories,...

Ngày tải lên: 08/03/2014, 21:20

... made the following extensions to the pattern -based M T to achieve this examplebased processing 4.1 Example -based Parsing If a t e r m in a RHS of source part of a pattern has a lexical-form and ... we can concentrate on a single module (a parser with synchronous derivation), and manage most of translation knowledge in a uniform way as translation patterns Although it is easier to add translation ... combination enables us to make a more robust and human-like MT system thanks to the easy addition of translation pattern Conclusion In this paper, we have described a pattern -based MT system called...

Ngày tải lên: 17/03/2014, 07:20

... understand Please speak clearly, but not over-articulate, and speak only after the beep To hear examples of what you can say to the system, say 'what now' Example 2: Basic information about a message ... experts were asked to comment on the naturalness and appropriateness of each system utterance, as well as provide any other comments that they may have on adaptation and adaptive systems All interviewees ... Message length 24 lines U: Read Sakari Rantala's message S: Third message, from Sakari Rantala, about Re: Comments about the draft [reads the message] Message read You are in the first message...

Ngày tải lên: 23/03/2014, 19:20

... Workshop Application of K-QARD To evaluate the K-QARD framework, we built restricted domain question answering systems for the several domains: weather, broadcast, and traffic For the adaptation of QA ... language analysis The natural language analyzer in K-QARD identifies morphemes, tags part-of-speeches to them, and analyzes dependency relations between the morphemes A stochastic part-of-speech tagger ... tagger and dependency parser(Chung and Rim, 2004) for the Korean language are trained on a general domain corpus and are used for the analyzer Then, several domain-specific named entities, such as a...

Ngày tải lên: 31/03/2014, 01:20

... the question has been made, the output of this unit is: ¤ A General Purpose Question Answering system Simple factual questions generated are processed by a General Purpose Question Answering system ... VALDATE1="value"VALTIME1="value" VALDATE2="value" VALTIME2="value"> expression Implicit dates: ... “Which are the main biographical data of Nelson Mandela?” This paper has specifically focused on a process of decomposition of complex temporal questions and on its evaluation on a temporal question...

Ngày tải lên: 31/03/2014, 03:20

... in a large randomized placebo-controlled critexercise ical care trial illustrating individual scores, standard deviations and inter-quartile ranges of case scenarios with adjudicated total APACHE ... invariable information such as age was incorrectly abstracted or assigned to the incorrect interval that determines the score for that parameter, and that for many parameters an incorrect value ... is calculated by applying the probability of misclassification for each individual APACHE II score based on assumed standard deviation (SD) of (from top to bottom) 6, and 12 and on an APACHE...

Ngày tải lên: 12/08/2014, 22:22

... TAC-QA task was also discontinued after the year 2008 In view of the above year-by-year evaluation, I summarize the following observations from the traditional TREC -based QA systems: Factoid questions ... integrate the abovementioned two contributory components into the cQA system In contrast to traditional TREC11 based QA systems, such an integrated cQA system handles natural language queries and answers ... sub-questions and the partially answered questions), I have again applied the graph based propagation model In regards of the question- context and questionanswer relationships in cQA, the proposed graph...

Ngày tải lên: 10/09/2015, 15:50

... based Graph based Statistical Model Sequence patterns Query representation Syntactic analysis Semantic and Syntactic analysis Question Question Question Question Question Question Question Tasks ... is also known as the traditional QA or expert systems that are tailored to specific domains to answer the factoid questions With the traditional QA, people usually ask a factoid question in a ... performance in answering factoid questions from many topics The best QA system achieved about 70% accuracy in 2007 for the factoid -based question (Dang et al., 2007) The goal of the traditional QA is to...

Ngày tải lên: 30/09/2015, 14:16

... into question form to create additional set of q /a pairs In total, we created labeled training dataset XL of around 7600 q /a pairs We evaluated the performance of graphbased QA system using a set ... semisupervised and transductive approaches 726 References Horacio Saggion and Robert Gaizauskas 2006 Experiments in passage selection and answer extraction for question answering In Advances in natural language ... spatial information of data points, namely local density constraints, within the SSL summarization schema We demonstrate that as more labeled data is used, we would have a richer summary dataset...

Ngày tải lên: 20/02/2014, 07:20