907 search results - page 162 / 182 » Efficient Optimization of Iterative Queries |
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
Keyword search is considered to be an effective information discovery method for both structured and semistructured data. In XML keyword search, query semantics is based on the con...
CIKM
2010
Springer
13 years 6 months ago
2010
Springer
We consider the problem of learning to rank relevant and novel documents so as to directly maximize a performance metric called Expected Global Utility (EGU), which has several de...
ICCV
2003
IEEE
14 years 9 months ago
2003
IEEE
We propose a principled account on multiclass spectral clustering. Given a discrete clustering formulation, we first solve a relaxed continuous optimization problem by eigendecomp...
SSDBM
2003
IEEE
14 years 27 days ago
2003
IEEE
Relational index structures, as for instance the Relational Interval Tree, the Relational R-Tree, or the Linear Quadtree, support efficient processing of queries on top of existin...
AOSD
2007
ACM
13 years 11 months ago
2007
ACM
Efficient data retrieval from databases is a significant issue of the design of persistent systems. We propose an aspect oriented persistent system named AspectualStore. Aspectual...