text retrieval conference meaning in Chinese

文本检索会议

The backgrovind of this paper is text retrieval conference ( trec ) , high accuracy retrieval of document ( hard ) . in this paper , the characteristics of traditional vector model and probabilistic model are introduced
本文的提出背景是第12届国际文本检索大会的子项目，高精度文本检索( textretrievalconference12 ， highaccuracyretrievalofdocumenttrack ) 。