Approximating the number of unique values of an attribute without sorting
- 作者Morton M. Astrahan; Mario Schkolnick; Whang Kyu-Young
- 卷第12卷
- 期第1期
- 印刷ISSN0306-4379
- 电子ISSN0959-2954
- 文件大小548.48KB
- 发表时间1987
- DOI10.1016/0306-4379(87)90014-7
- 页码11-15
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