Search Results for author: Sriraam Natarajan

Found 37 papers, 7 papers with code

Building Expressive and Tractable Probabilistic Generative Models: A Review

no code implementations1 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).

Knowledge-based Refinement of Scientific Publication Knowledge Graphs

no code implementations10 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.

graph construction Knowledge Graphs +1

Explainable Models via Compression of Tree Ensembles

no code implementations16 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).

Explainable Models

Explaining Deep Tractable Probabilistic Models: The sum-product network case

1 code implementation19 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.

Relational Neural Markov Random Fields

no code implementations18 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.

Relational Reasoning

Predicting Drug-Drug Interactions from Heterogeneous Data: An Embedding Approach

no code implementations19 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.

A Statistical Relational Approach to Learning Distance-based GCNs

no code implementations13 Feb 2021 Devendra Singh Dhami, Siwen Yan, Sriraam Natarajan

We consider the problem of learning distance-based Graph Convolutional Networks (GCNs) for relational data.

Density Estimation Link Prediction +2

Relational Boosted Bandits

1 code implementation16 Dec 2020 Ashutosh Kakadiya, Sriraam Natarajan, Balaraman Ravindran

Contextual bandits algorithms have become essential in real-world user interaction problems in recent years.

Attribute Descriptive +3

The Curious Case of Stacking Boosted Relational Dependency Networks

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.

Relational Reasoning

Fitted Q-Learning for Relational Domains

no code implementations10 Jun 2020 Srijita Das, Sriraam Natarajan, Kaushik Roy, Ronald Parr, Kristian Kersting

We consider the problem of Approximate Dynamic Programming in relational domains.

Q-Learning

Knowledge Graph Alignment using String Edit Distance

no code implementations13 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

A Preliminary Approach for Learning Relational Policies for the Management of Critically Ill Children

no code implementations13 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.

Management Relational Reasoning +1

Non-Parametric Learning of Lifted Restricted Boltzmann Machines

no code implementations9 Jan 2020 Navdeep Kaur, Gautam Kunapuli, Sriraam Natarajan

We consider the problem of discriminatively learning restricted Boltzmann machines in the presence of relational data.

regression

Lifted Hybrid Variational Inference

1 code implementation8 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.

Variational Inference

Non-Parametric Learning of Gaifman Models

no code implementations2 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.

User Friendly Automatic Construction of Background Knowledge: Mode Construction from ER Diagrams

1 code implementation16 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.

Inductive logic programming

One-Shot Induction of Generalized Logical Concepts via Human Guidance

no code implementations15 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.

Inductive logic programming valid

Beyond Textual Data: Predicting Drug-Drug Interactions from Molecular Structure Images using Siamese Neural Networks

no code implementations14 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.

BIG-bench Machine Learning

Neural Networks for Relational Data

1 code implementation28 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.

Knowledge-augmented Column Networks: Guiding Deep Learning with Advice

no code implementations31 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.

BIG-bench Machine Learning

Human-Guided Column Networks: Augmenting Deep Learning with Advice

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.

Human-Guided Learning of Column Networks: Augmenting Deep Learning with Advice

no code implementations15 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.

GLAD: GLocalized Anomaly Detection via Human-in-the-Loop Learning

2 code implementations2 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.

Anomaly Detection

Preference-Guided Planning: An Active Elicitation Approach

no code implementations19 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.

Sum-Product Networks for Hybrid Domains

no code implementations9 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.

Application of Statistical Relational Learning to Hybrid Recommendation Systems

no code implementations4 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.

Collaborative Filtering Feature Engineering +2

Learning Relational Dependency Networks for Relation Extraction

no code implementations1 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.

Relation Relation Extraction +2

Multiplicative Forests for Continuous-Time Processes

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.

regression

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