no code implementations • 26 Feb 2025 • Nikhilesh Prabhakar, Ranveer Singh, Harsha Kokel, Sriraam Natarajan, Prasad Tadepalli
Multiagent Reinforcement Learning (MARL) poses significant challenges due to the exponential growth of state and action spaces and the non-stationary nature of multiagent environments.
1 code implementation • 3 May 2024 • Athresh Karanam, Saurabh Mathur, Sahil Sidheekh, Sriraam Natarajan
Probabilistic Circuits (PCs) have emerged as an efficient framework for representing and learning complex probability distributions.
no code implementations • 5 Mar 2024 • Sahil Sidheekh, Pranuthi Tenali, Saurabh Mathur, Erik Blasch, Kristian Kersting, Sriraam Natarajan
We consider the problem of late multi-modal fusion for discriminative learning.
no code implementations • 1 Feb 2024 • Sahil Sidheekh, Sriraam Natarajan
We present a comprehensive survey of the advancements and techniques in the field of tractable probabilistic generative modeling, primarily focusing on Probabilistic Circuits (PCs).
1 code implementation • 18 Sep 2023 • Siva Likitha Valluru, Biplav Srivastava, Sai Teja Paladi, Siwen Yan, Sriraam Natarajan
Building teams and promoting collaboration are two very common business activities.
no code implementations • 10 Sep 2023 • Siwen Yan, Phillip Odom, Sriraam Natarajan
We consider the problem of identifying authorship by posing it as a knowledge graph construction and refinement.
no code implementations • 7 Feb 2023 • Alakh Aggarwal, Rishita Bansal, Parth Padalkar, Sriraam Natarajan
These days automation is being applied everywhere.
no code implementations • 19 Jul 2022 • Harsha Kokel, Mayukh Das, Rakibul Islam, Julia Bonn, Jon Cai, Soham Dan, Anjali Narayan-Chen, Prashant Jayannavar, Janardhan Rao Doppa, Julia Hockenmaier, Sriraam Natarajan, Martha Palmer, Dan Roth
We consider the problem of human-machine collaborative problem solving as a planning task coupled with natural language communication.
no code implementations • 16 Jun 2022 • Siwen Yan, Sriraam Natarajan, Saket Joshi, Roni Khardon, Prasad Tadepalli
Ensemble models (bagging and gradient-boosting) of relational decision trees have proved to be one of the most effective learning methods in the area of probabilistic logic models (PLMs).
1 code implementation • 19 Oct 2021 • Athresh Karanam, Saurabh Mathur, Predrag Radivojac, David M. Haas, Kristian Kersting, Sriraam Natarajan
We consider the problem of explaining a class of tractable deep probabilistic models, the Sum-Product Networks (SPNs) and present an algorithm ExSPN to generate explanations.
no code implementations • 18 Oct 2021 • Yuqiao Chen, Sriraam Natarajan, Nicholas Ruozzi
Statistical Relational Learning (SRL) models have attracted significant attention due to their ability to model complex data while handling uncertainty.
no code implementations • 15 Oct 2021 • Harsha Kokel, Arjun Manoharan, Sriraam Natarajan, Balaraman Ravindran, Prasad Tadepalli
State abstraction enables sample-efficient learning and better task transfer in complex reinforcement learning environments.
no code implementations • 19 Mar 2021 • Devendra Singh Dhami, Siwen Yan, Gautam Kunapuli, David Page, Sriraam Natarajan
Predicting and discovering drug-drug interactions (DDIs) using machine learning has been studied extensively.
1 code implementation • NeurIPS 2021 • Matej Zečević, Devendra Singh Dhami, Athresh Karanam, Sriraam Natarajan, Kristian Kersting
While probabilistic models are an important tool for studying causality, doing so suffers from the intractability of inference.
no code implementations • 13 Feb 2021 • Devendra Singh Dhami, Siwen Yan, Sriraam Natarajan
We consider the problem of learning distance-based Graph Convolutional Networks (GCNs) for relational data.
1 code implementation • 16 Dec 2020 • Ashutosh Kakadiya, Sriraam Natarajan, Balaraman Ravindran
Contextual bandits algorithms have become essential in real-world user interaction problems in recent years.
no code implementations • NeurIPS Workshop ICBINB 2020 • Siwen Yan, Devendra Singh Dhami, Sriraam Natarajan
Reducing bias while learning and inference is an important requirement to achieve generalizable and better performing models.
no code implementations • 10 Jun 2020 • Srijita Das, Sriraam Natarajan, Kaushik Roy, Ronald Parr, Kristian Kersting
We consider the problem of Approximate Dynamic Programming in relational domains.
no code implementations • 13 Mar 2020 • Navdeep Kaur, Gautam Kunapuli, Sriraam Natarajan
In this work, we propose a novel knowledge graph alignment technique based upon string edit distance that exploits the type information between entities and can find similarity between relations of any arity
no code implementations • 13 Jan 2020 • Michael A. Skinner, Lakshmi Raman, Neel Shah, Abdelaziz Farhat, Sriraam Natarajan
The increased use of electronic health records has made possible the automated extraction of medical policies from patient records to aid in the development of clinical decision support systems.
no code implementations • 9 Jan 2020 • Navdeep Kaur, Gautam Kunapuli, Sriraam Natarajan
We consider the problem of discriminatively learning restricted Boltzmann machines in the presence of relational data.
1 code implementation • 8 Jan 2020 • Yuqiao Chen, Yibo Yang, Sriraam Natarajan, Nicholas Ruozzi
We demonstrate that the proposed variational methods are both scalable and can take advantage of approximate model symmetries, even in the presence of a large amount of continuous evidence.
no code implementations • 2 Jan 2020 • Devendra Singh Dhami, Siwen Yan, Gautam Kunapuli, Sriraam Natarajan
We consider the problem of structure learning for Gaifman models and learn relational features that can be used to derive feature representations from a knowledge base.
1 code implementation • 16 Dec 2019 • Alexander L. Hayes, Mayukh Das, Phillip Odom, Sriraam Natarajan
One of the key advantages of Inductive Logic Programming systems is the ability of the domain experts to provide background knowledge as modes that allow for efficient search through the space of hypotheses.
no code implementations • 15 Dec 2019 • Mayukh Das, Nandini Ramanan, Janardhan Rao Doppa, Sriraam Natarajan
First, we define a distance measure between candidate concept representations that improves the efficiency of search for target concept and generalization.
no code implementations • 14 Nov 2019 • Devendra Singh Dhami, Siwen Yan, Gautam Kunapuli, David Page, Sriraam Natarajan
Predicting and discovering drug-drug interactions (DDIs) is an important problem and has been studied extensively both from medical and machine learning point of view.
1 code implementation • 28 Aug 2019 • Navdeep Kaur, Gautam Kunapuli, Saket Joshi, Kristian Kersting, Sriraam Natarajan
While deep networks have been enormously successful over the last decade, they rely on flat-feature vector representations, which makes them unsuitable for richly structured domains such as those arising in applications like social network analysis.
no code implementations • 31 May 2019 • Mayukh Das, Devendra Singh Dhami, Yang Yu, Gautam Kunapuli, Sriraam Natarajan
Recently, deep models have had considerable success in several tasks, especially with low-level representations.
no code implementations • ICLR 2019 • Mayukh Das, Yang Yu, Devendra Singh Dhami, Gautam Kunapuli, Sriraam Natarajan
While extremely successful in several applications, especially with low-level representations; sparse, noisy samples and structured domains (with multiple objects and interactions) are some of the open challenges in most deep models.
no code implementations • 15 Apr 2019 • Mayukh Das, Yang Yu, Devendra Singh Dhami, Gautam Kunapuli, Sriraam Natarajan
Recently, deep models have been successfully applied in several applications, especially with low-level representations.
2 code implementations • 2 Oct 2018 • Md. Rakibul Islam, Shubhomoy Das, Janardhan Rao Doppa, Sriraam Natarajan
Human analysts that use anomaly detection systems in practice want to retain the use of simple and explainable global anomaly detectors.
no code implementations • 6 Aug 2018 • Nandini Ramanan, Gautam Kunapuli, Tushar Khot, Bahare Fatemi, Seyed Mehran Kazemi, David Poole, Kristian Kersting, Sriraam Natarajan
We consider the problem of learning Relational Logistic Regression (RLR).
no code implementations • 19 Apr 2018 • Mayukh Das, Phillip Odom, Md. Rakibul Islam, Janardhan Rao, Doppa, Dan Roth, Sriraam Natarajan
Planning with preferences has been employed extensively to quickly generate high-quality plans.
no code implementations • 9 Oct 2017 • Alejandro Molina, Antonio Vergari, Nicola Di Mauro, Sriraam Natarajan, Floriana Esposito, Kristian Kersting
While all kinds of mixed data -from personal data, over panel and scientific data, to public and commercial data- are collected and stored, building probabilistic graphical models for these hybrid domains becomes more difficult.
no code implementations • WS 2017 • Anjali Narayan-Chen, Colin Graber, Mayukh Das, Md. Rakibul Islam, Soham Dan, Sriraam Natarajan, Janardhan Rao Doppa, Julia Hockenmaier, Martha Palmer, Dan Roth
Agents that communicate back and forth with humans to help them execute non-linguistic tasks are a long sought goal of AI.
no code implementations • 4 Jul 2016 • Shuo Yang, Mohammed Korayem, Khalifeh Aljadda, Trey Grainger, Sriraam Natarajan
In this paper, we proposed a way to adapt the state-of-the-art in SRL learning approaches to construct a real hybrid recommendation system.
no code implementations • 1 Jul 2016 • Dileep Viswanathan, Ameet Soni, Jude Shavlik, Sriraam Natarajan
We consider the task of KBP slot filling -- extracting relation information from newswire documents for knowledge base construction.
no code implementations • NeurIPS 2012 • Jeremy Weiss, Sriraam Natarajan, David Page
Learning temporal dependencies between variables over continuous time is an important and challenging task.