Search Results for author: Tahrima Rahman

Found 5 papers, 0 papers with code

Learning to Solve the Constrained Most Probable Explanation Task in Probabilistic Graphical Models

no code implementations17 Apr 2024 Shivvrat Arya, Tahrima Rahman, Vibhav Gogate

Given an assignment $\mathbf{x}$ to all variables in $\mathbf{X}$ (evidence) and a real number $q$, the constrained most-probable explanation (CMPE) task seeks to find an assignment $\mathbf{y}$ to all variables in $\mathbf{Y}$ such that $f(\mathbf{x}, \mathbf{y})$ is maximized and $g(\mathbf{x}, \mathbf{y})\leq q$.

Neural Network Approximators for Marginal MAP in Probabilistic Circuits

no code implementations6 Feb 2024 Shivvrat Arya, Tahrima Rahman, Vibhav Gogate

We evaluate our new approach on several benchmark datasets and show that it outperforms three competing linear time approximations, max-product inference, max-marginal inference and sequential estimation, which are used in practice to solve MMAP tasks in PCs.

Novel Upper Bounds for the Constrained Most Probable Explanation Task

no code implementations NeurIPS 2021 Tahrima Rahman, Sara Rouhani, Vibhav Gogate

We propose several schemes for upper bounding the optimal value of the constrained most probable explanation (CMPE) problem.

A Novel Approach for Constrained Optimization in Graphical Models

no code implementations NeurIPS 2020 Sara Rouhani, Tahrima Rahman, Vibhav Gogate

Given two (possibly identical) PGMs $M_1$ and $M_2$ defined over the same set of variables and a real number $q$, find an assignment of values to all variables such that the probability of the assignment is maximized w. r. t.

Multiple-choice

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