40 citations · 59 across the 10 of their papers we have counts for
4 papers · 1 filter
Recursive Tree Grammar Autoencoders
Benjamin Paassen, Irena Koprinska, Kalina Yacef
Machine learning on trees has been mostly focused on trees as input to algorithms. Much less research has investigated trees as output, which has many applications, such as molecul…
DETECT: A Hierarchical Clustering Algorithm for Behavioural Trends in Temporal Educational Data
Jessica McBroom, Kalina Yacef, Irena Koprinska
Techniques for clustering student behaviour offer many opportunities to improve educational outcomes by providing insight into student learning. However, one important aspect of st…
Tree Echo State Autoencoders with Grammars
Benjamin Paassen, Irena Koprinska, Kalina Yacef
Tree data occurs in many forms, such as computer programs, chemical molecules, or natural language. Unfortunately, the non-vectorial and discrete nature of trees makes it challengi…
Detecting depression in dyadic conversations with multimodal narratives and visualizations
Joshua Y. Kim, Greyson Y. Kim, Kalina Yacef
Conversations contain a wide spectrum of multimodal information that gives us hints about the emotions and moods of the speaker. In this paper, we developed a system that supports…