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Given the limitations of available platforms for creating conversational agents, and that a questionanswering agent suffices in many scenarios, we take advantage of the Information Retrieval library Lucene for developing such an agent for Portuguese. The solution described answers natural language questions based on an indexed list of FAQs. Its adaptation to different domains is a matter of changing the underlying list. Different configurations of this solution, mostly on the language analysisdoi:10.4230/oasics.slate.2019.2 dblp:conf/slate/OliveiraFRA19 fatcat:w4fe6ks5t5fwxfpr7bhalevwzm