464 search results - page 41 / 93 » Authorisation Using Attributes from Multiple Authorities |
TOG
2008
14 years 9 months ago
2008
We present a real-time algorithm called compensated ray marching for rendering of smoke under dynamic low-frequency environment lighting. Our approach is based on a decomposition ...
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CHI
2006
ACM
15 years 10 months ago
2006
ACM
Social network-based systems usually suffer from two major limitations: they tend to rely on a single data source (e.g. email traffic), and the form of network patterns is often p...
ADBIS
2009
Springer
15 years 4 months ago
2009
Springer
Abstract. In moving object databases, many authors assume that number and position of objects to be processed are always known in advance. Detecting an unknown moving object and pu...
ICCV
2009
IEEE
16 years 2 months ago
2009
IEEE
Labeling image collections is a tedious task, especially
when multiple labels have to be chosen for each image. In
this paper we introduce a new framework that extends state
of ...
CIKM
2009
Springer
15 years 4 months ago
2009
Springer
Despite the widespread use of BM25, there have been few studies examining its effectiveness on a document description over single and multiple field combinations. We determine t...