Fig. 1. System architecture of online analysis of trajectory and spatial social network

Fig. 2. Visualization of the trajectory of Xuan Zang from629 to 643 AD

Fig. 3. Visualization of the trajectory of Ouyang Xiu from 1007 to 1072

Fig. 4. Spatio temporal distribution pattern of Xuan Zang's track points from 629 to 643 AD

Fig. 5. Spatio temporal distribution pattern of Ouyang Xiu's track points from1007 to 1072

Fig. 6. Migration index of Ouyang Xiu from 1007 to 1072

Fig. 7. Hometown distance index and capital distance index of Ouyang Xiu from 1007 to 1072

Fig. 8. Growing place distance index and capital distance index of Ouyang Xiu from 1007 to 1072

Fig. 9. Line chart of social relationship of Ouyang Xiu from 1007 to 1072

Fig. 10. Social network map of Ouyang Xiu in different periods

Fig. 11. Social network map of Ouyang Xiu from 1007 to 1072

Fig. 12. Social network map of Ouyang Xiu in Yingzhou