Nowadays, online learning is becoming more and more popular. Various online learning
platforms provide a huge amount of learning resources for learners around the world. When …

Concept prerequisite relation prediction is a common task in the field of knowledge
discovery. Concept prerequisite relations can be used to rank learning resources and help …

Nowadays, the high dropout rate has become a widespread phenomenon in various MOOC
platforms. When learning a MOOC, many learners are reluctant to spend time learning from …

Many applications like the personalization recommendation system of online learning are
based on prerequisite relations of concepts, which prompted us to automatically infer the …

In the current wave of digital transformation, Frequently Asked Questions (FAQ) answering
systems have become a crucial technology to replace traditional manual customer service …

The development of internet technology has brought great opportunities to online education.
The vast learning resources and complex relationships between these concepts on the …

Today, the Internet is flooded with a lot of learning resources, which are provided by different
people. Because the relationship between these learning resources is unclear, it is difficult …

Within the past two decades there has been an increased amount of interest in human-
centered information retrieval research beyond the traditional system-focused view …