Shengli Wu 0001 Yaxin Bi Xiaoqin Zeng Using the Euclidean Distance for Retrieval Evaluation. 83-96 2011 BNCOD https://doi.org/10.1007/978-3-642-24577-0_9 conf/bncod/2011 db/conf/bncod/bncod2011.html#WuBZ11