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- The dependency structure between packages must be a directed acyclic graph (DAG). That is, there must be no cycles in the dependency structure. 包之间的依赖结构必须是一个直接的无环图形（DAG）。也就是说，在依赖结构中不允许出现环（循环依赖）。
- Markov network is an undirected graph, while Bayesian network is a directed acyclic graph. Markov网是一个无向图 ;而 Bayesian网是一个有向无环图 .
- Bayes network is a directed acyclic graph with a series of conditional probabilities. Bayes网络是一个具有一系列条件概率的有向无循环图。
- Construction of a directed acyclic graph of the realization of a series of operations. 构建了有向无环图的一系列操作的实现.
- Then, the classifier with multi-class support vector machines of DDAG (decision directed acyclic graph) is given. 然后，用有向无环图的多类支持向量机进行分类。
- The method includes describing and validating system by SDL/MSC, generating directed acyclic graph (DAG) , and dividing DAG into some sub DAGs. 这种方法包括系统的 SDL/ MSC描述与验证、有向无环图 (DAG)的产生、DAG子图划分等几部分 .
- The method calculated the distances on directed acyclic graph, and extracted the operand ordering/grouping from a given implementation gate netlist. 算法在单向无环图上计算距离，提取出变量的分组和结合顺序；
- Finally, a new algorithm is proposed, which is based on dynamic programming and directed acyclic graph (DAG), to solve a Controllable Set Problem. 这一结论说明改进后的算法更适合于实际生物系统分析，因为生物系统中某一功能的实现所涉及的化学物质往往多达数百种。
- The directed acyclic graph (DAG) is applied to the parallel multiprocessor system to present the dependence relationship between tasks. 摘要在并行多处理器系统中，通常用有向无环图(DAG)表示任务之间的依赖关系。
- In order to meet the needs of data flow analysis, system build control flow graph (CFG), directed acyclic graph (DAG), and call graph (CG). 3. 系统通过建立程序控制流图(CFG)、有向无环图(DAG)、以及过程调用图(CG)三种程序中间表示视图，满足了数据流分析的需要。
- The model of the embedded system was constructed by directed acyclic graph to obtain the objective function for hardware/software partitioning. 首先，使用有向无环图对嵌人式系统建模，得到软硬件划分优化系统的目标函数。
- By comparing different multi-calssification strategies, a diagnosis model based on DAGSVM (directed acyclic graph SVM) is constructed. 通过比较不同的多类分类算法，提出了基于DAGSVM的诊断模型。
- The presentation structure of the relationship between feature items is formalized as a special kind of directed acyclic graph. 与已有的研究相比，特征项之间的关系表示结构从有向根树扩展到了有向无环图。
- Directed acyclic graph to describe the process of a project carried out an effective tool, mainly for topological sort and the operation of the critical path. 有向无环图是描述一项工程进行过程的有效工具,主要进行拓扑排序和关键路径的操作。
- Five methods for multi-class classification are introduced based on widely used SVMs. They are one versus rest(OVR),one versus one(OVO),binary tree(BT),error correcting output codes(ECOC) and directed acyclic graph(DAG). 当前针对多类问题的支持向量机分类方法主要有5种:一类对余类法(OVR),一对一法(OVO),二叉树法(BT),纠错输出编码法和有向非循环图法。
- Based on the abstract model of reconfigurable hardware resources,we use Hybrid Tasks Directed Acyclic Graph(HTDAG) to describe an application and propose a list scheduling algorithm. 在对可重构硬件资源进行抽象的基础上;采用软硬件混合任务有向无环图来描述应用;提出一种基于列表的混合任务调度算法.
- The support vector machine composed by least sequence and directed acyclic graph algorithm has been used in paper currency identification, shows the advantages of capability in dealing with scared samples, nonlinear and high dimensions. 将次序最小优化改进算法和有向无环图算法构建的支持向量机用于货币识别，充分发抨了支持向量机解决小样本、非线性和高维模式识别问题的优点。
- Bayesian Networks (BN), which was made up of Directed Acyclic Graph(DAG) and Conditional Probability Table(CPT) , is also called as Belief Networks. DAG is composed with nodes and its pathway. Node is the symbol of variable. 贝叶斯网络(BN)，又称为信度网，由一个有向无环图(Directed Acyclic Graph，DAG)和条件概率表(Conditional Probability Table，CPT)组成。
- Grid workflow technology can facilitate agile requirements of various applications, general service broker can invoke heterogeneous grid services simply, and workflow models are defined by the more operable extended directed acyclic graph language. 其中;网格工作流技术可满足灵活多变的应用需求;通用服务请求代理能实现异构网格服务的简单调用;动态工作流模型利用具有较强描述功能的扩展有向无环图建模语言进行定义.
