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Estimating network topology is a non-trivial task. Different from the state-of-art methods such as traceroute-like active probing, network tomography and network protocols analysis based passive measurement, this work proposes a novel method to estimate the network hidden topology using time to live (TTL) values extracted from IP packets. TTL contains the information about hops of the forward paths...
The rapid increase of flight flow and density has caused serious congestions and potential operation risks for busy airport, so how to avoid the aircraft taxiing conflicts of airport surface management system is a urgent problem to be solved. In this paper, the aircraft taxi path optimization model with three kinds of conflict constraints is presented to solve the aircraft safe taxiing problems by...
In order to extract the regular interference contained in the multibeam echosounding and eliminate random noise, the novel Envelope Locally Weighted Best Estimation (ELWBE) and the improved NLMF (X-metric non local-mean filter, X-NLMF) methods are proposed. The experimental results show that ELWBE and X-NLMF can not only eliminate the random noise but also give the local optimal estimation on preserving...
In this paper, two single pattern matching algorithms are presented, each of which is composed by a smallest suffix automaton and a forward finite state automaton. Whatever the suffix automaton or the forward finite state automaton is running, the window shifts m-R characters and then the suffix automaton starts running if no pattern prefix is found (R is zero) in the first algorithm or R is not greater...
Automatic text summarization for dialogue style is a relatively new research area. Some key techniques are proposed in this paper, such as identifying whether or not the style of document is dialogue, identifying all of questions and their corresponding answers and linking them to form question-answer pairs. Due to the interactive nature of dialogue documents, local regions of coherence often stretch...
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