Search Results for author: Kalina Yacef

Found 9 papers, 4 papers with code

Transfer Learning in Conversational Analysis through Reusing Preprocessing Data as Supervisors

no code implementations2 Dec 2021 Joshua Yee Kim, Tongliang Liu, Kalina Yacef

Conversational analysis systems are trained using noisy human labels and often require heavy preprocessing during multi-modal feature extraction.

Feature Engineering Multi-Task Learning

Recursive Tree Grammar Autoencoders

3 code implementations3 Dec 2020 Benjamin Paassen, Irena Koprinska, Kalina Yacef

Machine learning on trees has been mostly focused on trees as input to algorithms.

Drug Discovery Time Series +1

DETECT: A Hierarchical Clustering Algorithm for Behavioural Trends in Temporal Educational Data

no code implementations4 May 2020 Jessica McBroom, Kalina Yacef, Irena Koprinska

Techniques for clustering student behaviour offer many opportunities to improve educational outcomes by providing insight into student learning.

Clustering Time Series +1

Tree Echo State Autoencoders with Grammars

2 code implementations19 Apr 2020 Benjamin Paassen, Irena Koprinska, Kalina Yacef

Tree data occurs in many forms, such as computer programs, chemical molecules, or natural language.

Time Series Time Series Prediction

Detecting depression in dyadic conversations with multimodal narratives and visualizations

no code implementations13 Jan 2020 Joshua Y. Kim, Greyson Y. Kim, Kalina Yacef

We demonstrate the ability of our system to take in a wide range of multimodal information and automatically generated a prediction score for the depression state of the individual.

A Survey of Automated Programming Hint Generation -- The HINTS Framework

no code implementations30 Aug 2019 Jessica McBroom, Irena Koprinska, Kalina Yacef

Using this insight, it presents a simple framework for describing such techniques, the Hint Iteration by Narrow-down and Transformation Steps (HINTS) framework, and it surveys recent work in the context of this framework.

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