Cognitive Systems have greatly evolved at this point in time even though we are far from making a truly Cognitive System that matches human abilities.
Here is a brief timeline of the evolution of Cognitive Systems:
Figure 12.4: Cognitive Systems evolution timeline
As you can see in this figure, the general theories and science behind realization of Cognitive Systems have existed for decades, but the acceleration in the evolution process is a result of availability of big data analytics frameworks that are based on distributed computing architectures that started becoming mainstream around the year 2000. ...
