183 search results - page 27 / 37 » Defining a Digital Earth System |
SIPS
2008
IEEE
14 years 2 months ago
2008
IEEE
This paper describes the sub-Nyquist rate digital-to-analog conversion technique for a direct waveform synthesis (DWS) transmitter. IEEE 802.22 TV band Cognitive Radio (CR) transm...
CANDC
2005
ACM
13 years 9 months ago
2005
ACM
In this paper, we discuss how a cognitive concept, causality, can be used for the conceptual underpinning of Virtual Reality Art installations. Causality plays an important role i...
IWEB
1998
13 years 9 months ago
1998
In this paper we introduce a workflow management system, called WebFlow, which is based on the world wide web and Java as its basic technologies. Java is used as the build time (m...
CLEF
2009
Springer
13 years 8 months ago
2009
Springer
Log data constitute a relevant aspect in the evaluation process of the quality of a search engine and the quality of a multilingual search service; log data can be used to study t...
MTA
2006
13 years 7 months ago
2006
Shape of an object is an important feature for image and multimedia similarity retrievals. In our previous studies we introduced a new boundary-based technique (MBC-based) for shap...