This paper presents a system is composed by two main parts: The Information Extraction Process, which crawls the web and extracts all relevant knowledge that is then stored in the database, and the Question Processor which interprets user questions and obtains a SQL statement that can be executed on the database.
CitationSapena, E., González, M., Padró, L., Turmo, J. "A question-driven information system adaptable via information extraction techniques". 2008.
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