Search Results for author: Ragib Ahsan

Found 4 papers, 2 papers with code

Learning Relational Causal Models with Cycles through Relational Acyclification

1 code implementation25 Aug 2022 Ragib Ahsan, David Arbour, Elena Zheleva

We introduce relational acyclification, an operation specifically designed for relational models that enables reasoning about the identifiability of cyclic relational causal models.

Causal Discovery

Non-Parametric Inference of Relational Dependence

1 code implementation30 Jun 2022 Ragib Ahsan, Zahra Fatemi, David Arbour, Elena Zheleva

Independence testing plays a central role in statistical and causal inference from observational data.

Causal Inference

Relational Causal Models with Cycles:Representation and Reasoning

no code implementations22 Feb 2022 Ragib Ahsan, David Arbour, Elena Zheleva

To facilitate cycles in relational representation and learning, we introduce relational $\sigma$-separation, a new criterion for understanding relational systems with feedback loops.

Correcting for Selection Bias in Learning-to-rank Systems

no code implementations29 Jan 2020 Zohreh Ovaisi, Ragib Ahsan, Yifan Zhang, Kathryn Vasilaky, Elena Zheleva

Click data collected by modern recommendation systems are an important source of observational data that can be utilized to train learning-to-rank (LTR) systems.

counterfactual Learning-To-Rank +3

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