基于PLC—iDistance的结构化P2P相似性检索算法
Similarity Search Algorithm on structure P2P networks Based on PLC-iDistance
摘要
针对传统iDistance索引方法的缺陷和不足,提出了近似位置编码索引方法PLC—iDistance(ProximityLocationCode—iDistance),并在结构化P2P网络中实现了高维数据检索。在改进方法中,有效地缩小了需要搜索的范围,提高了检索性能;.实验表明,相比传统的iDistance索引方法.PLC—iDistance索引方法在时间性能上有较大的提高。
Abstract
In view of the traditional iDistance indexing methods' flaw and insufficiency, the paper proposes an indexing method: PLC-iDistanee (Proximity Location Code-iDistanee). With the indexing structure mentioned above, we achieved a high-dimensional data retri
关键词
高维数据/高维索引/相似性检索Key words
High-dimensional data/High-dimensional index/Similarity search引用本文复制引用
出版年
2011