activity
20182023
most citedOn Proximity and Structural Role-based Embeddings in Networks: Misconceptions, Techniques, and Applications

79 citations · 364 across the 27 of their papers we have counts for

collaborators

28 papers

cs.CL2023★ 59 cited

Bias and Fairness in Large Language Models: A Survey

Isabel O. Gallegos, Ryan A. Rossi, Joe Barrow +6

Rapid advancements of large language models (LLMs) have enabled the processing, understanding, and generation of human-like text, with increasing integration into systems that touc…

cs.LG2023

Fairness-Aware Graph Neural Networks: A Survey

April Chen, Ryan A. Rossi, Namyong Park +6

Graph Neural Networks (GNNs) have become increasingly important due to their representational power and state-of-the-art predictive performance on many fundamental learning tasks.…

cs.CL2023★ 1 cited

FigCaps-HF: A Figure-to-Caption Generative Framework and Benchmark with Human Feedback

Ashish Singh, Ashutosh Singh, Prateek Agarwal +10

Captions are crucial for understanding scientific visualizations and documents. Existing captioning methods for scientific figures rely on figure-caption pairs extracted from docum…

cs.LG2023

Structured Dynamic Pricing: Optimal Regret in a Global Shrinkage Model

Rashmi Ranjan Bhuyan, Adel Javanmard, Sungchul Kim +4

We consider dynamic pricing strategies in a streamed longitudinal data set-up where the objective is to maximize, over time, the cumulative profit across a large number of customer…

cs.CL2023

Summaries as Captions: Generating Figure Captions for Scientific Documents with Automated Text Summarization

Chieh-Yang Huang, Ting-Yao Hsu, Ryan Rossi +6

Good figure captions help paper readers understand complex scientific figures. Unfortunately, even published papers often have poorly written captions. Automatic caption generation…

cs.SI2022★ 1 cited

Graph Learning with Localized Neighborhood Fairness

April Chen, Ryan Rossi, Nedim Lipka +6

Learning fair graph representations for downstream applications is becoming increasingly important, but existing work has mostly focused on improving fairness at the global level b…

cs.LG2022★ 1 cited

Direct Embedding of Temporal Network Edges via Time-Decayed Line Graphs

Sudhanshu Chanpuriya, Ryan A. Rossi, Sungchul Kim +5

Temporal networks model a variety of important phenomena involving timed interactions between entities. Existing methods for machine learning on temporal networks generally exhibit…

cs.IR2022★ 8 cited

Implicit Session Contexts for Next-Item Recommendations

Sejoon Oh, Ankur Bhardwaj, Jongseok Han +3

Session-based recommender systems capture the short-term interest of a user within a session. Session contexts (i.e., a user's high-level interests or intents within a session) are…

cs.IR2022★ 15 cited

Bundle MCR: Towards Conversational Bundle Recommendation

Zhankui He, Handong Zhao, Tong Yu +3

Bundle recommender systems recommend sets of items (e.g., pants, shirt, and shoes) to users, but they often suffer from two issues: significant interaction sparsity and a large out…

cs.SI2022★ 39 cited

CGC: Contrastive Graph Clustering for Community Detection and Tracking

Namyong Park, Ryan Rossi, Eunyee Koh +5

Given entities and their interactions in the web data, which may have occurred at different time, how can we find communities of entities and track their evolution? In this paper,…

cs.LG2021★ 12 cited

Influence-guided Data Augmentation for Neural Tensor Completion

Sejoon Oh, Sungchul Kim, Ryan A. Rossi +1

How can we predict missing values in multi-dimensional data (or tensors) more accurately? The task of tensor completion is crucial in many applications such as personalized recomme…

cs.CL2021★ 2 cited

Edge: Enriching Knowledge Graph Embeddings with External Text

Saed Rezayi, Handong Zhao, Sungchul Kim +3

Knowledge graphs suffer from sparsity which degrades the quality of representations generated by various methods. While there is an abundance of textual information throughout the…

cs.IR2021

Personalized Visualization Recommendation

Xin Qian, Ryan A. Rossi, Fan Du +5

Visualization recommendation work has focused solely on scoring visualizations based on the underlying dataset and not the actual user and their past visualization feedback. These…

cs.SI2020

Heterogeneous Graphlets

Ryan A. Rossi, Nesreen K. Ahmed, Aldo Carranza +4

In this paper, we introduce a generalization of graphlets to heterogeneous networks called typed graphlets. Informally, typed graphlets are small typed induced subgraphs. Typed gra…

cs.LG2020

Graph Deep Factors for Forecasting

Hongjie Chen, Ryan A. Rossi, Kanak Mahadik +2

Deep probabilistic forecasting techniques have recently been proposed for modeling large collections of time-series. However, these techniques explicitly assume either complete ind…

cs.CL2020★ 4 cited

Learning Contextualized Knowledge Structures for Commonsense Reasoning

Jun Yan, Mrigank Raman, Aaron Chan +6

Recently, knowledge graph (KG) augmented models have achieved noteworthy success on various commonsense reasoning tasks. However, KG edge (fact) sparsity and noisy edge extraction/…

cs.CL2020★ 9 cited

Learning to Deceive Knowledge Graph Augmented Models via Targeted Perturbation

Mrigank Raman, Aaron Chan, Siddhant Agarwal +7

Knowledge graphs (KGs) have helped neural models improve performance on various knowledge-intensive tasks, like question answering and item recommendation. By using attention over…

cs.IR2020★ 11 cited

ML-based Visualization Recommendation: Learning to Recommend Visualizations from Data

Xin Qian, Ryan A. Rossi, Fan Du +5

Visualization recommendation seeks to generate, score, and recommend to users useful visualizations automatically, and are fundamentally important for exploring and gaining insight…

cs.LG2020★ 2 cited

From Static to Dynamic Node Embeddings

Di Jin, Sungchul Kim, Ryan A. Rossi +1

We introduce a general framework for leveraging graph stream data for temporal prediction-based applications. Our proposed framework includes novel methods for learning an appropri…

cs.SI2019★ 79 cited

On Proximity and Structural Role-based Embeddings in Networks: Misconceptions, Techniques, and Applications

Ryan A. Rossi, Di Jin, Sungchul Kim +3

Structural roles define sets of structurally similar nodes that are more similar to nodes inside the set than outside, whereas communities define sets of nodes with more connection…

cs.SI2019★ 2 cited

Linear-time Hierarchical Community Detection

Ryan A. Rossi, Nesreen K. Ahmed, Eunyee Koh +1

Community detection in graphs has many important and fundamental applications including in distributed systems, compression, image segmentation, divide-and-conquer graph algorithms…

cs.LG2019★ 6 cited

Higher-Order Ranking and Link Prediction: From Closing Triangles to Closing Higher-Order Motifs

Ryan A. Rossi, Anup Rao, Sungchul Kim +3

In this paper, we introduce the notion of motif closure and describe higher-order ranking and link prediction methods based on the notion of closing higher-order network motifs. Th…

cs.CV2019★ 7 cited

Figure Captioning with Reasoning and Sequence-Level Training

Charles Chen, Ruiyi Zhang, Eunyee Koh +5

Figures, such as bar charts, pie charts, and line plots, are widely used to convey important information in a concise format. They are usually human-friendly but difficult for comp…

cs.LG2019★ 7 cited

Dynamic Node Embeddings from Edge Streams

John Boaz Lee, Giang Nguyen, Ryan A. Rossi +3

Networks evolve continuously over time with the addition, deletion, and changing of links and nodes. Such temporal networks (or edge streams) consist of a sequence of timestamped e…