该接口描述为xxxFactory是非常合适的，很好的表达了1:N的关系

Educational affordances describe how instrumental a technology is in deciding whether and how learning might take place (Kirschner, 2002).

MQ中间件与最终用户提供的应用程序代码(生产者/消费者)之间的桥梁

learning analytics as the collection, analysis, use and appropriate dissemination of student-generated, actionable data with the purpose of creating appropriate cognitive, administrative and effective support for learners.

students and their learning behaviors, gathering data from course management and student information systems in order to improve student success

equity within the context of higher education as access, opportunity, and advancement for all students to eliminate race and income as predictors of student success

l earning analytics is the intentional collection and analysis of student data within the l earning context in order to understand and optimize learning

Social network analysis (SNA) is a collection of methods and tools that could be used to study the relationships, interactions and communications.

Learning Analytics is the development and application of data science methods to the distinct characteristics, needs, and concerns of educational contexts and the data streams they generate for the purpose of better understanding and supporting learning processes and outcomes (see also an earlier definition by Siemens et al., 2011).

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