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While the concept of collaboration provides a natural defense against massive spam emails directed at large numbers of recipients, designing effective collaborative anti-spam systems raises several important research challenges. First and foremost, since emails may contain confidential information, any collaborative anti-spam approach has to guarantee(More)
Statistical-based Bayesian filters have become a popular and important defense against spam. However, despite their effectiveness, their greater processing overhead can prevent them from scaling well for enterprise-level mail servers. For example, the dictionary lookups that are characteristic of this approach are limited by the memory access rate,(More)
While the concept of collaboration provides a natural defense against massive spam e-mails directed at large numbers of recipients, designing effective collaborative anti-spam systems raises several important research challenges. First and foremost, since e-mails may contain confidential information, any collaborative anti-spam approach has to guarantee(More)
Millions of new domains are registered every day and the many of them are malicious. It is challenging to keep track of malicious domains by only Web content analysis due to the large number of domains. One interesting pattern in legitimate domain names is that many of them consist of English words or look like meaningful English while many malicious domain(More)
— Statistical-based Bayesian filters have become a popular and important defense against spam. However, despite their effectiveness , their greater processing overhead can prevent them from scaling well for enterprise level mail servers. For example, the dictionary lookups that are characteristic of this approach are limited by the memory access rate,(More)
When hundreds of thousands of applications need to be analyzed within a short period of time, existing static and dynamic malware detection methods may become less desirable because they could quickly exhaust system and human resources. Additionally, many behavioral malware detection methods may not be practical because they require the collection of(More)
Technologies capable of characterizing the full breadth of cellular systems need to be able to measure millions of proteins, isoforms, and complexes simultaneously. We describe an approach that fulfils this criterion: Adaptive Dynamic Artificial Poly-ligand Targeting (ADAPT). ADAPT employs an enriched library of single-stranded oligodeoxynucleotides(More)
To evaluate the effects of segmental vitiligo (SV) on nerve conduction velocity (NCV) in different nerves, we compared the patient's lesional side of their body to the contralateral normal side. The 106 participants were selected from outpatients visiting the dermatological clinics of Huashan Hospital, Fudan University, from November 2011 to March 2014.(More)
As large energy consumers, base stations need energy-efficient wireless access networks. An advanced energy efficiency measure was developed in this paper, considering throughput, the number of served users, and actual coverage area. The actual coverage area considered in the proposed measure is also in harmony with the measured network coverage area(More)