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DSN
2009
IEEE
14 years 2 months ago
Spam detection in voice-over-IP calls through semi-supervised clustering
In this paper, we present an approach for detection of spam calls over IP telephony called SPIT in VoIP systems. SPIT detection is different from spam detection in email in that t...
Yu-Sung Wu, Saurabh Bagchi, Navjot Singh, Ratsamee...
WWW
2011
ACM
13 years 2 months ago
Trust analysis with clustering
Web provides rich information about a variety of objects. Trustability is a major concern on the web. Truth establishment is an important task so as to provide the right informati...
Manish Gupta, Yizhou Sun, Jiawei Han
IDEAS
2006
IEEE
109views Database» more  IDEAS 2006»
14 years 1 months ago
Collaborative Filtering Process in a Whole New Light
Collaborative Filtering (CF) Systems are gaining widespread acceptance in recommender systems and ecommerce applications. These systems combine information retrieval and data mini...
Panagiotis Symeonidis, Alexandros Nanopoulos, Apos...
INFOCOM
2003
IEEE
14 years 23 days ago
Uplink Scheduling in CDMA Packet-Data Systems
Abstract—Uplink scheduling in wireless systems is gaining importance due to arising uplink intensive data services (ftp, image uploads etc.), which could be hampered by the curre...
Krishnan Kumaran, Lijun Qian
INFOCOM
2009
IEEE
14 years 2 months ago
Fair Routing in Delay Tolerant Networks
—The typical state-of-the-art routing algorithms for delay tolerant networks are based on best next hop hill-climbing heuristics in order to achieve throughput and efficiency. T...
Josep M. Pujol, Alberto Lopez Toledo, Pablo Rodrig...