2013. 12参加2013年北京市管理运筹学会年会
2014.07 参加美国加州大学伯克利分校召开的LISS 2014国际会议并做报告
2015.07 参加西班牙加泰罗尼亚理工大学召开的LISS 2015国际会议并做报告

2013.10-2014.3中国教育经济信息网数据挖掘应用系统关键技术开发

1. Xuedong Gao, Yixuan Ma and Shujuan Gu. A Method for Partitioning Subject Level in Data Warehouse Based on Interpretative Structural Modeling. Proceedings of International Conference on Logistics, Informatics and Services Sciences (LISS) 2014, Berkeley, California, USA.
2. Yixuan Ma, Xuedong Gao and Baoxiang Pan. Trend Feature-based Clustering for Research Funding Time Series Data. Proceedings of International Conference on Logistics, Informatics and Services Sciences (LISS) 2015, Barcelona, Spain.