Sciweavers

1358 search results - page 23 / 272
» Mapping Accessibility Over Time
Sort
View
CONTEXT
2003
Springer
15 years 7 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 5 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 8 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 3 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
15 years 1 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...