Indexing very high-dimensional sparse and quasi-sparse vectors for similarity searches.

Changzhou Wang Xiaoyang Sean Wang Indexing very high-dimensional sparse and quasi-sparse vectors for similarity searches. 344-361 2001 9 VLDB J. 4 http://dx.doi.org/10.1007/s007780100036 db/journals/vldb/vldb9.html#WangW01