179 search results - page 3 / 36 » Storage and Retrieval of First Order Logic Terms in a Databa... |
DOLAP
2007
ACM
13 years 10 months ago
2007
ACM
Expressing preferences when querying databases is a natural way to avoid empty results and information flooding, and in general to rank results so that the user may first see the ...
WWW
2007
ACM
14 years 6 months ago
2007
ACM
XACML has emerged as a popular access control language on the Web, but because of its rich expressiveness, it has proved difficult to analyze in an automated fashion. In this pape...
CCS
2008
ACM
13 years 7 months ago
2008
ACM
We introduce a new practical mechanism for remote data storage with efficient access pattern privacy and correctness. A storage client can deploy this mechanism to issue encrypted...
PODS
1989
ACM
13 years 9 months ago
1989
ACM
In this paper we propose the use of fractals and especially the Hilbert curve, in order to design good distance-preserving mappings. Such mappings improve the performance of secon...
SIGMOD
2011
ACM
12 years 9 months ago
2011
ACM
We study the problem of context-sensitive ranking for document retrieval, where a context is defined as a sub-collection of documents, and is specified by queries provided by do...