doi dblp Understanding the topic evolution of scientific literatures like an evolving city: Using Google Word2Vec model and spatial autocorrelation analysis Kai Hu | Qing Luo | Kunlun Qi | Siluo Yang | Jin Mao | Xiaokang Fu | Jie Zheng | Huayi Wu | Ya Guo | Qibing Zhu 2019 Volume 56 Issue 4