Scoring a document is disclosed. One or more metrics is determined in a forward direction. One or more backwards metrics is determined. The document is scored based at least in part on a combination of the metrics.
申请公布号
US8639703(B2)
申请公布日期
2014.01.28
申请号
US201213349384
申请日期
2012.01.12
申请人
HARINARAYAN VENKY;RAJARAMAN ANAND;WAL-MART STORES, INC.
