1061 search results - page 137 / 213 » An Experimental Study of Data Migration Algorithms |
141
Voted
NIPS
2003
15 years 5 months ago
2003
In this paper, sparse representation (factorization) of a data matrix is first discussed. An overcomplete basis matrix is estimated by using the K−means method. We have proved ...
159
Voted
AICOM
2004
15 years 3 months ago
2004
Abstract. We address the problem of answering queries using expressive symmetric inter-schema constraints which allow to establish mappings between several heterogeneous informatio...
144
Voted
PPDP
2010
Springer
15 years 2 months ago
2010
Springer
Database query optimizers rely on data statistics in selecting query execution plans. Similar query optimization techniques are desirable for deductive databases and, to make this...
143
Voted
PVLDB
2010
15 years 2 months ago
2010
Optimization of join queries based on average selectivities is suboptimal in highly correlated databases. In such databases, relations are naturally divided into partitions, each ...
126
Voted
WWW
2009
ACM
16 years 4 months ago
2009
ACM
We propose novel spatio-temporal models to estimate clickthrough rates in the context of content recommendation. We track article CTR at a fixed location over time through a dynam...