coreset

core +‎ set

coreset (plural coresets)

1. (computational geometry) A small set of points that approximates the shape of a larger point set, in the sense that applying some geometric measure to the two sets (such as their minimum bounding box volume) results in approximately equal numbers.
   • 2015, Abhimanyu Dubey, Nikhil Naik, Dan Raviv, Rahul Sukthankar, Ramesh Raskar, “Coreset-Based Adaptive Tracking”, in arXiv‎:

     This coreset based learning approach can be applied for both real-time learning of small, varied data and fast learning of big data..

• cotrees, cretose, octrees