We consider the following problem in a stream model: Given a sequence a = a1, a2, . . . , am wich each ai ∈ [n] = {1, . . . , n} and m > n, find a duplicate in the sequence, ...
Abstract. We investigate the group key management problem for broadcasting applications. Previous work showed that, in handling key updates, batch rekeying can be more cost-effect...
Minming Li, Ze Feng, Ronald L. Graham, Frances F. ...
A context in sponsored search is additional information about a query, such as the user’s age, gender or location, that can change an advertisement’s relevance or an advertise...
—The quality of transmission is very important in digital communication. However, in non-deterministic environment or different transmission message signal, bit error rate of PCM...
— It is well-understood that increasing redundancy in a system generally improves the availability and dependability of the system. In server clusters, one important form of redu...