 Kong Yingda was appointed the head of the project, and he gathered a team of experts including Yan Shigu, Sima Caizhang (), Wang Gong (), and Wang Yan (), who spent five years to finish the project, and Emperor Taizong personally named the work "Wujing Zhengyi" (五經正義, "Correct Meaning of the Five Classics").However, their work was criticized for verbosity by other scholars including Ma Jiayun (), and the emperor ordered further revisions to be made.Kong Yingda died before the revision was completed, and Zhangsun Wuji was appointed to finish the work, which was finally approved in 653 by the next emperor, Gaozong.