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GIS
2005
ACM
14 years 8 months ago
2005
ACM
Several application contexts require the ability to use together and compare different geographic datasets (maps) concerning the same or overlapping areas. This is for example the...
HICSS
2008
IEEE
14 years 2 months ago
2008
IEEE
In recent years, instant messaging (IM) has become a popular medium of online communication. While IM is expanding into the enterprise beyond personal use, it brings the convenien...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
— – Major research challenges in the next generation of wireless networks include the provisioning of worldwide seamless mobility across heterogeneous wireless networks, the im...
ER
2004
Springer
14 years 1 months ago
2004
Springer
Identity management has arisen as a major and urgent challenge for internet-based communications and information services. Internet services involve complex networks of relationshi...
GLOBECOM
2009
IEEE
13 years 11 months ago
2009
IEEE
IEEE 802.22 wireless regional area network (WRAN) is an emerging cognitive radio-based system. One of the major challenges for WRANs is how to efficiently schedule both channel sen...