[PDF] Top 20 Architecture of an Ontology-Based Domain- Specific Natural Language Question Answering System

... the domain of search, so the query framed by them may not meet the information ...developed based on domain specific ontologies and some NLP techniques for better results ...analysis ... See full document

... map natural language questions to triple-based representations and simply fail if this rep- resentation does not match the actual ...Our system starts looking for resources of class city that ... See full document

... Rule based approach requires hand written rules which requires knowledge on specific ...exact question what was given query. QA system uses gazetteer to classify ...some language ... See full document

... to questions by replacing one of its variables with interrogative pronouns and attach some words in- dicating the interrogative mood. For instance, we could generate “What causes deflation?” from the pattern “X causes ... See full document

... : Question Answering System (QAS) are basically developed to extract precise answers from a set of unstructured documents whose contents are in natural ...the natural language ... See full document

... to Natural Language Generation (NLG) for dialog mainly focus on domain-specific, task-oriented applications ...each domain, and do not benefit from examples that may be available for ... See full document

... healthcare system may be a data-driven trade that consists of large and growing volumes of narrative data obtained from discharge summaries/reports, physicians case notes, pathologists similarly as radiologists ... See full document

... Since 1960s, various natural language understanding systems were created. Generally, a good number of the question answering systems provide answers to factoid based questions. The ... See full document

... comprehension system (Hirschman et ...the question with the lexically most similar sentence in the ...answer based on a combination of syntactic similarity and semantic correspondence ...statistical ... See full document

... restricted domain question an- swering system where users can interactively retrieve causes for problems with a computers’ operating ...a question as asked by the user in natural ... See full document

... geographical domain we used, user questions easily lead to 20 or 30 different pos- sible ...ral language terms can be mapped to many different ontological concepts, this number ...a specific ... See full document

... QA system in the medical domain. The system is designed to satisfy information needs within the framework of evidence-based medicine (EBM) whereby a doctor needs to gather the current best ... See full document

... steps, based on entity and property recognition within the ...the question as ...the question that has been in- terpreted/understood (tagged); also, ranking decreases on the number and size of ... See full document

... Guided-input natural language question-answering, GINSENG [11], relies on a simple question grammar, which is extended using the ontology schema to guide users to directly ... See full document

... retrieval, natural language processing and machine learning have been employed for question answering ...primarily based on querying structured information while the others used to ... See full document

... involving natural language, due to its lin- guistic ...a system that can apply rule- based reasoning to natural language, and in- duce domain-specific rules from ... See full document

... the natural language to question, but also can return succinct, accurate answers to askers, not using some relevant ...restricted domain QA (RDQA) and common domain QA according to the ... See full document

... in question answering sys- ...for question anal- ...The system returns the best ...star architecture. Entire subtasks like question analysis, information retrieval, answer ... See full document

... sophisticated question answering systems, where ontologies are usually used as the core knowledge ...An ontology is a specification of a conceptualization (Gruber, ...of ontology: ... See full document

... a System developed by Poonam Gupta Et.al [13] A Survey of Text Question Answering ...Techniques. Question answering is a difficult form of information retrieval characterized by ... See full document