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发表时间：2022-10-09

发表刊物：小型微型计算机系统

卷号：41

期号：1

页面范围：35-39

ISSN号：1000-1220

摘要：For companies listed on the Shenzhen Stock Exchange,by analyzing and mining the data in their quarterly reports or related transaction websites,extracting the relevant data characteristics from the ranking prediction task and the text characteristics obtained through the crawler,successfully constructed the company′s share-earnings model. The model can achieves a reasonable prediction of the ranking of valuation gains. The experimental results show that our proposed model can effectively improve the performance of stock price ranking prediction tasks,and the SPRP-Random Forests model can reach 0. 9583 in the NDCG@10 evaluation index. In the selection of stocks for investors,the company′s business model adjustment and other aspects have certain practical value.

备注：新增回溯数据