Search faces (at least) two major challenges. One is to improve the efficiency of retrieving relevant content for all digital formats (images, audio, video, 3D shapes, etc). The second is to make relevant information retrievable in a range of platforms, particularly in high diffusion ones for...

Scientists work by collecting observable evidence of different phenomena, from which they analyse and construct theoretical explanations. Consequently, science involves systematic efforts to increase human knowledge, a phenomenon that is usually described as ‘cumulativity’. Most scientists...