TY - JOUR A1 - Al Abdulwahid, Abdulwahid A1 - Clarke, Nathan A1 - Stengel, Ingo A1 - Furnell, Steven A1 - Reich, Christoph T1 - Continuous and transparent multimodal authentication: reviewing the state of the art T2 - Cluster Computing: The Journal of Networks, Software Tools and Applications KW - User authentication KW - Authentication technologies KW - Security KW - Usability KW - Continuous authentication KW - Biometrics KW - Transparent authentication Y1 - 2016 UR - https://opus.hs-furtwangen.de/frontdoor/index/index/docId/1025 SN - 1386-7857 VL - 19.2016 IS - 1 SP - 455 EP - 474 ER -