面向趋势预测的热点主题演化分析方法研究*

岳丽欣,刘自强,胡正银

Evolution Analysis of Hot Topics with Trend-Prediction

Yue Lixin,Liu Ziqiang,Hu Zhengyin

表2 美国干细胞领域研究主题列表（部分）

Table 2 Research Topics in the Field of Stem Cells in the United States (Partial)

主题序号	主题词
Topic1	acute\|intestinal\|hematopoietic\|kinase\|term\|epithelial\| promote\|transplantation\|expansion\|marrow
Topic2	pathway\|cancer\|embryonic\|hematopoietic\|virus\|cell\| aldehyde\|signature\|maintenance\|gland
Topic3	regulation\|marrow\|hematopoietic\|embryonic\|biology\| inhibitor\|cancer\|pluripotent\|rescue\|inhibits
Topic4	resistance\|cell\|effect\|hematopoietic\|cancer\|imaging\| transplantation\|long\|bioactive\|colorectal
Topic5	cell\|cancer\|breast\|pancreatic\|new\|hematopoietic\| targeting\|transplantation\|pluripotency\|embryonic
……	……