2458 search results - page 249 / 492 » Database-Management Principles And Applications |
CCS
2007
ACM
15 years 5 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
104
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CLEF
2007
Springer
15 years 5 months ago
2007
Springer
This paper describes the participation of MIRACLE research consortium at the Query Parsing task of GeoCLEF 2007. Our system is composed of three main modules. First, the Named Geo...
112
Voted
MM
2006
ACM
15 years 5 months ago
2006
ACM
Image annotation has been an active research topic in recent years due to its potentially large impact on both image understanding and Web image search. In this paper, we target a...
113
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SAC
2006
ACM
15 years 5 months ago
2006
ACM
“The curse of dimensionality” is pertinent to many learning algorithms, and it denotes the drastic raise of computational complexity and classification error in high dimension...
97
Voted
WIDM
2006
ACM
15 years 5 months ago
2006
ACM
In this paper, we identify and analyze structural properties which reflect the functionality of a Web site. These structural properties consider the size, the organization, the co...