@article{刘自强:979, author = {刘自强, 胡正银, 许海云, 方曙}, title = {基于PWLR模型的领域新兴趋势识别及其可视化研究}, publisher = {情报学报}, year = {2020}, journal = {情报学报}, volume = {39}, number = {9}, eid = {979}, numpages = {9}, pages = {979}, keywords = {PWLR模型;新兴趋势;层次聚类;可视化}, url = {https://qbxb.istic.ac.cn/CN/abstract/article_337.shtml}, doi = {10.3772/j.issn.1000-0135.2020.09.009} }