A Question Answering System for “the Belt and Road” Investment Based on Knowledge Graph postprint

Abstract: [Purpose/significance] The question answering system for "the Belt and Road" investment has important research and application significance. It can effectively integrate information from multiple sources and provide user with fast, accurate and high-quality "the Belt and Road" investment information.[Method/process] Firstly, the information which related to the "the Belt and Road" investment was collected, processed and integrated. and then, under the guidance of experts, the "the Belt and Road" investment knowledge graph was constructed. On this basis, the functions of each part of question answering system were realized, including:question preprocessing, question classification, question template matching and answer query.[Result/conclusion] The result shows that, this system can effectively answer questions about "the Belt and Road" investment.