Indexing continuously changing data with mean-variance tree.

Yuni Xia Reynold Cheng Sunil Prabhakar Shan Lei Rahul Shah Indexing continuously changing data with mean-variance tree. 263-272 2008 5 IJHPCN 4 http://dx.doi.org/10.1504/IJHPCN.2008.022302 db/journals/ijhpcn/ijhpcn5.html#XiaCPLS08