Nowadays, documents are increasingly being associated with multi-level category hierarchies rather than a flat category scheme. To access these documents in rea

Text classification is becoming a crucial task to analysts in different areas. In the last few decades, the production of textual documents in digital form has

A multitude of data is being produced from the increase in instructional technology, e-learning resources, and online courses. This data could be used by educat

This open access book constitutes the refereed proceedings of the 17th International Annual Conference on Cyber Security, CNCERT 2021, held in Beijing, China, i

In this work two studies are done and they are referred as first study which is named "A Hybrid Classification Method Using Bayesian, K Nearest Neighbor Methods