An information retrieval system includes a query revision architecture providing one or more query revisers, each of which implements a query revision strategy. A query rank reviser suggests known highly-ranked queries as revisions to a first query by initially assigning a rank to all queries, and identifying a set of known highly-ranked queries (KHRQ). Queries with a strong probability of being revised to a KHRQ are identified as nearby queries (NQ). Alternative queries that are KHRQs are provided as candidate revisions for a given query. For alternative queries that are NQs, the corresponding known highly-ranked queries are provided as candidate revisions.
申请公布号
EP1869586(A4)
申请公布日期
2010.02.17
申请号
EP20060738165
申请日期
2006.03.13
申请人
GOOGLE INC.
发明人
BAILEY, DAVID, R;BATTLE, ALEXIS, J.;COHN, DAVID, ARIEL;ENGLEHARDT, BARBARA;NAYAK, PANDURANG, P.