2016年上午基础知识.pdf

The development of the Semantic Web proceeds in steps, each step building a layer on top of another. The pragmatic justification for this approach is that it is easier to achieve ( 71 ) on small steps, whereas it is much harder to get everyone on board if too much is attempted. Usually there are several research groups moving in different directions this ( 72 )  of ideas is a major driving force for scientific progress . However, from an engineering perspective there is a need to standardize. So, if most researchers agree on certain sues and disagree on others, it makes sense to fix the points of agreement. This way, even if he more ambitious research efforts should fail, there will be at least ( 73 )  positive outcomes .