Sciweavers

1358 search results - page 23 / 272
» Mapping Accessibility Over Time
Sort
View
CONTEXT
2003
Springer
15 years 5 months ago
A Generic Framework for Context-Based Distributed Authorizations
In conventional security systems, protected resources such as documents, hardware devices and software applications follow an On/Off access policy. On, allows to grant access and ...
Ghita Kouadri Mostéfaoui, Patrick Bré...
SIGIR
2011
ACM
14 years 2 months ago
Faster temporal range queries over versioned text
Versioned textual collections are collections that retain multiple versions of a document as it evolves over time. Important large-scale examples are Wikipedia and the web collect...
Jinru He, Torsten Suel
ICS
2005
Tsinghua U.
15 years 5 months ago
Improving the computational intensity of unstructured mesh applications
Although unstructured mesh algorithms are a popular means of solving problems across a broad range of disciplines—from texture mapping to computational fluid dynamics—they ar...
Brian S. White, Sally A. McKee, Bronis R. de Supin...
CNIS
2006
15 years 1 months ago
STRBAC - An approach towards spatio-temporal role-based access control
The rapid emergence of GPS enabled devices, sensors and mobile equipment in commercial as well as government organizations has led to considerable research in time- and location-b...
Mahendra Kumar, Richard E. Newman
CIKM
2010
Springer
14 years 10 months ago
Preference query evaluation over expensive attributes
Most database systems allow query processing over attributes that are derived at query runtime (e.g., user-defined functions and remote data calls to web services), making them e...
Justin J. Levandoski, Mohamed F. Mokbel, Mohamed E...