Hsu, Ming-HungMing-HungHsuTsai, Ming-FengMing-FengTsaiHSIN-HSI CHEN2020-05-042020-05-042008https://scholars.lib.ntu.edu.tw/handle/123456789/488402Combining WordNet and ConceptNet for Automatic Query Expansion: A Learning Approach.conference paper10.1007/978-3-540-68636-1_21https://doi.org/10.1007/978-3-540-68636-1_21