网络搜索引擎自然语言问答能力的评价研究

赵一鸣，夏雪，孙永强

Evaluation of the Natural Language Question Answering Ability of Web Search Engines

图书情报知识 . 2019, (2): 102 -110 . DOI: 10.13366/j.dik.2019.02.102