This work derives explicit kernel approximations for universal kriging predictors for a class of intrinsic random function models. This class of predictors is of particular interest because they are equivalent to the standard two-dimensional thin plate smoothing splines. By introducing a...

Evaluating patent assets from the perspective of a patent portfolio is an emerging research direction and also a concrete practical example of open innovation theory, which presents the main form of encouraging more innovation entities to participate and further innovate by disclosing...