489 search results - page 31 / 98 » Query Selectivity Estimation via Data Mining |
JMLR
2010
14 years 6 months ago
2010
While most popular collaborative filtering methods use low-rank matrix factorization and parametric density assumptions, this article proposes an approach based on distribution-fr...
GEOINFORMATICA
2006
14 years 11 months ago
2006
Existing estimation approaches for spatial databases often rely on the assumption that data distribution in a small region is uniform, which seldom holds in practice. Moreover, the...
SDM
2010
SIAM
15 years 1 months ago
2010
SIAM
We give a permutation approach to validation (estimation of out-sample error). One typical use of validation is model selection. We establish the legitimacy of the proposed permut...
KDD
2006
ACM
16 years 5 days ago
2006
ACM
Long-term search history contains rich information about a user's search preferences. In this paper, we study statistical language modeling based methods to mine contextual i...
VLDB
2005
ACM
15 years 5 months ago
2005
ACM
In this paper we propose and analyze a method for proofs of actual query execution in an outsourced database framework, in which a client outsources its data management needs to a...