查询特点 meaning in English
query feature
Examples
- In view of the preliminary study and small scales application , the flat file system is adapted to build a spatial metadata database . we design the interfaces of a metadata engine . according to the characteristics of the user ' s request for metadata , we give a solution on how to create index on xml document collection and to search those metadata records
从预研和小型系统应用的目的出发，系统采用平面文件系统来建立空间元数据库，论文给出了空间元数据库管理引擎的接口设计，并根据对元数据查询特点的分析，详细阐述了对xml文档型空间元数据库建立索引和执行查询的方式和策略。 - To fulfill the requirement and characteristics of this track , which include paragraph - based and a relevant document supplied by user before retrieval , the rocchio model and vector model are merged to compute relevance between query and document . then , gradient decrease method is used to train the parameters of rocchio model . then , based on the paragraph - level relevance , the sorted documents are returned
本文针对文本检索大会子项目的要求和基于段落的，用户查询时可能提供一篇相关文章的查询特点，首先将rocchio模型和向量空间算法结合起来来把握用户需求并计算文档与查询的相关度，再使用梯度下降技术来训练模型中的参数，最后依据查询和段落层的相关度，使用基于段落切分的方法返回包含用户查询最相关文章。