摘要: 该文提出一种新的基于可扩展散列表的倒排索引更新策略,使倒排索引具有良好的可扩展性。它既支持文档的插入、删除操作,又具有较高的查询效率和空间利用率。并在它的基础上,实现了倒排索引的增量更新和实时更新。
关键词:
全文检索,
倒排索引,
增量更新,
可扩展散列表
Abstract: This paper proposes a new update stratage of inverted index based on extendible hashing to make inverted index extendible.It supports document insertion and deletion,and provides high retrieval efficiency and space utilization . On the basis of this stratage,it also realizes incremental update and real-time update .
中图分类号:
吴恒山,刘兴宇,左琼. 一种基于可扩展散列表的倒排索引更新策略[J]. , 2004, 30(08): 88-.
WU Hengshan,LIU Xingyu,ZUO Qiong. An Update Stratage of Inverted Index Based on Extendible Hashing[J]. , 2004, 30(08): 88-.