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Competency-based Intelligent Curriculum Sequencing: Comparing Two Evolutionary Approaches

机译:基于能力的智能课程测序:比较两个进化方法

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The process of creating e-learning contents using reusable learning objects (LOs) can be broken down in two sub-processes: LOs finding and LO sequencing. Although semiautomatic tools that aid in the finding process exits, sequencing is usually performed by instructors, who create courses targeting generic profiles rather than personalized materials. This paper proposes an evolutionary approach to automate this latter problem while, simultaneously, encourages reusability and interoperability by promoting standards employment. A model that enables automated curriculum sequencing is proposed. By means of interoperable competency records and LO metadata, the sequencing problem is turn into a constraint satisfaction problem. Particle Swarm Optimization (PSO) and Genetic Algorithm (GA) agents are designed, built and tested in real and simulated scenarios. Results show both approaches succeed in all test cases, and that they handle reasonably computational complexity inherent to this problem, but PSO approach outperforms GA.
机译:使用可重用学习对象(LOS)创建电子学习内容的过程可以在两个子进程中分解:LOS查找和LO测序。虽然有助于查找过程退出的半自动工具,但排序通常由教师执行,他们创建针对通用简档而不是个性化材料的课程。本文提出了一种进化方法来实现后一种问题,同时,通过促进标准就业,鼓励可重用性和互操作性。提出了一种实现自动课程测序的模型。通过可互操作的能力记录和LO元数据,排序问题变为约束满足问题。粒子群优化(PSO)和遗传算法(GA)代理是在实际和模拟场景中构建和测试的。结果显示,两种方法都在所有测试用例中取得成功,并且他们处理这个问题固有的合理计算复杂性,但PSO方法优于GA。

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