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WWW
2009
ACM
14 years 6 months ago
2009
ACM
We present a new CAPTCHA which is based on identifying an image's upright orientation. This task requires analysis of the often complex contents of an image, a task which hum...
CONEXT
2005
ACM
13 years 7 months ago
2005
ACM
Wireless Mesh Networks (WMNs) are an emerging architecture based on multi-hop transmission. ISPs considers WMNs as a potential future technology to offer broadband Internet acces...
INFOCOM
2005
IEEE
13 years 11 months ago
2005
IEEE
Packet-switched unidirectional and bidirectional ring wavelength division multiplexing (WDM) networks with destination stripping provide an increased capacity due to spatial wavel...
P2P
2003
IEEE
13 years 11 months ago
2003
IEEE
Decentralized Peer to Peer (P2P) networks offer both opportunities and threats. Its open and decentralized nature makes it extremely susceptible to malicious users spreading harmf...
COMSWARE
2008
IEEE
14 years 7 days ago
2008
IEEE
—The poor performance of TCP over multi-hop wireless networks is well known. In this paper we explore to what extent network coding can help to improve the throughput performance...