“…From the construction industry's perspective, the literature review revealed performance indicators of UIC. The most frequent UIC performance indicators were (1) number of innovations (process/marketing/product/organisational) [2,33,37,52,59,62,68,[72][73][74][75][76][77][78][79], (2) number of registered patents [33, 54, 56-58, 73, 75, 80, 81], (3) income from innovations (process/marketing/product/organisational) [22, 73-75, 78, 82], (4) number of patent applications [2,22,54,75,78], and (5) number of publications [37,73,83,84].…”