By Joshua Horowitz
When an instructor teaches a class on Coursera, they get to make a direct impact on hundreds of thousands of learners all around the world. This broad reach is a huge attraction for teachers. But we think the benefits of teaching a MOOC…
By Daniel Chia
Data plays an important role at Coursera. We use data to improve our learner experience, gather insights in MOOC pedagogy, and provide instructors insight into their courses via…
Cassandra, a scalable NoSQL database, powers the majority of Coursera’s online request processing. Cassandra affords us horizontal scalability, stable and…