243 search results - page 25 / 49 » A Privacy-Preserving Index for Range Queries |
MTA
1998
13 years 7 months ago
1998
We propose a new efficient indexing scheme, called the HG-tree, to support content-based retrieval in image databases. Image content is represented by a point in a multidimensional...
DBISP2P
2004
Springer
14 years 1 months ago
2004
Springer
Today, there is an increasing demand to share data with complex data types (e.g., multi-dimensional) over large numbers of data sources. One of the key challenges is sharing these ...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Estimating the selectivity of queries is a crucial problem in database systems. Virtually all database systems rely on the use of selectivity estimates to choose amongst the many ...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
A spatial preference query ranks objects based on the qualities of features in their spatial neighborhood. For example, consider a real estate agency office that holds a database ...
SPIRE
2009
Springer
14 years 2 months ago
2009
Springer
A new trend in the field of pattern matching is to design indexing data structures which take space very close to that required by the indexed text (in entropy-compressed form) an...