Cha, S.-CS.-CChaYUH-JZER JOUNG2020-02-112020-02-112005https://scholars.lib.ntu.edu.tw/handle/123456789/457521On derived data services in cyberspaceconference paper2-s2.0-78649687414https://www.scopus.com/inward/record.uri?eid=2-s2.0-78649687414&partnerID=40&md5=148988cf5b860e5920a64f0d9d0840f7