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SIGCOMM
2009
ACM
15 years 5 months ago
CrossTalk: scalably interconnecting instant messaging networks
We consider the problem of interconnecting a simple type of social network: Instant Messaging services. Today, users are members of various IM communities such as AOL, Yahoo, and ...
Marti A. Motoyama, George Varghese
SIGECOM
2009
ACM
91views ECommerce» more  SIGECOM 2009»
15 years 5 months ago
Destroy to save
We study the problem of how to allocate m identical items among n > m agents, assuming each agent desires exactly one item and has a private value for consuming the item. We as...
Geoffroy de Clippel, Victor Naroditskiy, Amy R. Gr...
SIGIR
2009
ACM
15 years 5 months ago
Combining LVCSR and vocabulary-independent ranked utterance retrieval for robust speech search
Well tuned Large-Vocabulary Continuous Speech Recognition (LVCSR) has been shown to generally be more effective than vocabulary-independent techniques for ranked retrieval of spo...
J. Scott Olsson, Douglas W. Oard
ISBI
2008
IEEE
15 years 5 months ago
Comparative assessment of different energy mapping methods for generation of 511-keV attenuation map from CT images in PET/CT sy
The use of X-ray CT images for CT-based attenuation correction (CTAC) of PET data results in the decrease of overall scanning time and creates a noise-free attenuation map (μmap)...
Maryam Shirmohammad, Mohammad Reza Ay, Saeed Sarka...
CSFW
2007
IEEE
15 years 5 months ago
Security Analysis of Voice-over-IP Protocols
The transmission of voice communications as datagram packets over IP networks, commonly known as Voice-overIP (VoIP) telephony, is rapidly gaining wide acceptance. With private ph...
Prateek Gupta, Vitaly Shmatikov