2715 search results - page 139 / 543 » Database Publication Practices |
NDSS
2009
IEEE
14 years 2 months ago
2009
IEEE
Many existing privacy-preserving techniques for querying distributed databases of sensitive information do not scale for large databases due to the use of heavyweight cryptographi...
VLDB
2005
ACM
14 years 1 months ago
2005
ACM
A “plan diagram” is a pictorial enumeration of the execution plan choices of a database query optimizer over the relational selectivity space. In this paper, we present and an...
ICDT
1999
ACM
14 years 12 days ago
1999
ACM
Abstract. In this paper we present a new approach for studying aggregations in the context of database query languages. Starting from a broad de nition of aggregate function, we ad...
ADC
2007
Springer
14 years 4 days ago
2007
Springer
With the explosion of video data, video processing technologies have advanced quickly and been applied into many fields, such as advertisements, medical etc.. To fast search these...
IDEAS
1997
IEEE
13 years 11 months ago
1997
IEEE
We are concerned by schema evolution in Object Oriented Databases (OODB) that is processed by a modification on the classes on the schema. We present a new categorization of the d...