5290 search results - page 1021 / 1058 » Information systems as social structures |
CCS
2007
ACM
15 years 6 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 ...
WSE
2006
IEEE
15 years 5 months ago
2006
IEEE
For web applications, determining how requests from a web page are routed through server components can be time-consuming and error-prone due to the complex set of rules and mecha...
EXPDB
2006
ACM
15 years 5 months ago
2006
ACM
Two competing encoding concepts are known to scale well with growing amounts of XML data: XPath Accelerator encoding implemented by MonetDB for in-memory documents and X-Hive’s ...
INFOCOM
2005
IEEE
15 years 5 months ago
2005
IEEE
Abstract— The localization problem is to determine an assignment of coordinates to nodes in a wireless ad-hoc or sensor network that is consistent with measured pairwise node dis...
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MM
2004
ACM
15 years 5 months ago
2004
ACM
We present a prototype that automatically aligns acoustic musical signals with their corresponding textual lyrics, in a manner similar to manually-aligned karaoke. We tackle this ...