例句與用法

1. third, the dissertation specifies the spatial join query processing based on service oriented architecture . two strategies are proposed . the first one, called the ssji strategy, can efficiently reduce the overall costs by precomputing and materializing the spatial semi join results
   最后,論文研究了空間數(shù)據(jù)服務發(fā)現(xiàn)問題,基于信息檢索理論,提出了基于集合模型和向量模型的服務發(fā)現(xiàn)方法,提高了服務發(fā)現(xiàn)的查全率和查準率。