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- Yanyan Guo, Lei Zhou, Kemeng He, Yuwan Gu, Yuqiang Sun
- 2015

Bayesian spam filtering is a classification method based on the theory of probability and statistics, and the Bay-esian spam filtering based on Mapreduce can solve the defect of the traditional Bayesian spam filtering that consumes large amounts of system resources and network resources when the mail set is pre-training. It needs to classify mails manually… (More)

- Kemeng He, Yushan Sun, Zhang Qin, Yuqiang Sun, Yuwan Gu
- 2015

The research methods of trusted attribute based on model-driven for credibility problems in the development process of model-driven software proposed in the paper. An overall analysis for software requirements is carried out, considering the business specification and the need to achieve the function, testing the Integrity and accuracy of model in the PIM… (More)

- Yuqiang Sun, Xianmei Chang, Huanhuan Cai, Xin Gao, Yuwan Gu
- 2013

Cloud computing is the development of parallel computing, distributed computing and grid computing, and with the advancement of cloud computing, how to design efficient distributed tree algorithm is receiving more and more attention, Constrained by parallel assumption, Parallel tree algorithm are not easy to express in MapReduce. Inspired by Bulk… (More)

- Yuqiang Sun, Guoxin Xue, Guodong Shi, Yuwan Gu
- 2010 6th International Conference on Wireless…
- 2010

Cellular automaton has long been become the main modeling tool for traffic flow simulation. But the related calculated vehicle velocities are not continuous. This would cause some difficulties for experimental checking. Imaginary slope algorithm based on the deflection curve of a built-in beam could reveal the smoothness of a real procedure validly. A… (More)

- Guodong Shi, Yuwan Gu, Yuqiang Sun, Xiaokang Wang, Aling Yin
- 2010 2nd International Workshop on Database…
- 2010

In this paper,it is researched thoroughly for CYK-algorithm （Cocke - Younger- Kasami）of parsing normal sentence, in particular,it is analyzed thoroughly for the generating algorithm about initial CYK-table of word-lattice structure,and CYK-algorithm is improved by the attribute of span of time sequence after word-lattice distortion,a kind of… (More)

- Yuqiang Sun, Lei Zhou, Qiwei He, Yuwan Gu, Liang Jia
- 2010 International Conference on Web Information…
- 2010

Through thoroughly researching on CYK-algorithm (Cocke-Younger-Kasami) parsing to normal sentence, especially on generating algorithm about initial CYK-table of word-lattice structure, and improving CYK-algorithm by regarding the span of time sequence of word-lattice transformed as the attribute, a kind of word-lattice parsing algorithm based on improved… (More)

- Gejun Zhu, Yuwan Gu, Yuqaing Sun
- 2009 5th International Conference on Wireless…
- 2009

Parallel Algorithm for Binary Tree Traversing Sequence Based on Coding is proposed in the paper. The method is understood and mastered easily, which can simplify the traversing process, makes the process for educing binary tree traversing sequence becoming quickly and intuitive, fits to the demonstration of traversing process in classroom teaching, and can… (More)

- Yuqiang Su, Yuwan Gu, Ruimin Yang, Jieru Lu
- 2009 International Workshop on Intelligent…
- 2009

Constructing smaller Glushkov automata into one. So the Follow automata, the nondeterministic finite automata of Regular Expressions is key smallest finite automata, are obtained. technique in the fields of compiler science. The whole progress I. BASIC THEORIES AND DEFINITIONS of parallel transition from regular expressions to Follow A. Regular Expressions… (More)

- Yuqiang Sun, Ruimin Yang, Yuwan Gu, Jing You
- 2009 First International Workshop on Database…
- 2009

A parallel algorithm for translating regular expression into its Follow automata is proposed in the paper. Firstly, we construct the Thompson automata of a regular expression. Then, the Glushkov automata are achieved by removing the path and the equivalent states which have equivalent relations are merged into one. So we can get a smaller finite automata,… (More)

- Gejun Zhu, Yuqiang Sun, Ruimin Yang, Yuwan Gu
- 2009 First International Conference on…
- 2009

The Production quality of regular grammar influences the efficiency of lexical analysis. The paper puts up a new algorithm, in which can get more simple production equal to grammar for given right (left) liner grammar. Firstly, translate grammar production's simplification into the renovation of finite automata. Then, make the string length of each arc is… (More)