查词"graph" 对应的 views_one,views_two,views_third,views_four 都为空 ,则解释为对应的Views_info=“图”;
查词"vertex" 对应的views_one,views_two,views_third,views_four,在views_one关联“graph”,则进入上面的情况,对应的意思为“图”;
查词"arc"对应的views_one,views_two,views_third,views_four,在views_one,views_two,views_third都有对应的关联,进入上面的类似的,最后取平均值,找到对应的解释。。