Initial xAPI/Caliper Comparison

IMS Global, Oct 04, 2016
Commentary by Stephen Downes

xAPI and Caliper are systems for recording student activities, offered by ADL and IMS respectively. There are ongoing discussions between the two organizations regarding how the overlap and/or interoperate. They note "Caliper and xAPI have very different origins.  The core xAPI is to enable any type of experience and evidence tracking, both electronic and physical performance and not limited to just web-based courses (as is the case for SCORM).  Caliper is the manifestation of the IMS Learning Analytics Framework and the Sensor API and Metric Profile(s) are the first two components of that framework.  xAPI and Caliper are NOT equivalent.  Adoption should not be ‘one-or-the-other’, instead it is a ‘horses-for-courses’ decision." This document offers an excellent table-based comparison of the two specifications.

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