Hari Sundaram

2026

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Multi-modal Relational Item Representation Learning for Inferring Substitutable and Complementary Items.
Junting Wang|Yanhui Guo|Ing-Xiang Chen|Heiko Schuldt|Hojun Jaygarl|Farnazeh Kazemi|Chenghuan Guo|Hari Sundaram|Yang Jiao|Yan Gao|Cheng-Zen Yang|Yang Jiao|Heiko Schuldt|Farnazeh Kazemi|Yanhui Guo|Ing-Xiang Chen|Hojun Jaygarl|Hari Sundaram|Cheng-Zen Yang|Yan Gao
Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026

2021

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Ranking User-Generated Content via Multi-Relational Graph Convolution.
Kanika Narang|Adit Krishnan|Junting Wang|Chaoqi Yang|Hari Sundaram|Carolyn Sutter
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

2020

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Transfer Learning via Contextual Invariants for One-to-Many Cross-Domain Recommendation.
Adit Krishnan|Mahashweta Das|Mangesh Bendre|Hao Yang|Hari Sundaram
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020
doi dblp
GroupIM: A Mutual Information Maximization Framework for Neural Group Recommendation.
Aravind Sankar|Yanhong Wu|Yuhang Wu|Wei Zhang|Hao Yang|Hari Sundaram
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020
doi dblp
Discovering Strategic Behaviors for Collaborative Content-Production in Social Networks.
Yuxin Xiao|Adit Krishnan|Hari Sundaram
WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020

2019

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A Modular Adversarial Approach to Social Recommendation.
Adit Krishnan|Hari Cheruvu|Tao Cheng|Hari Sundaram
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019.
doi dblp
Growing Attributed Networks through Local Processes.
Harshay Shah|Suhansanu Kumar|Hari Sundaram
The World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019

2018

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Insights from the Long-Tail: Learning Latent Representations of Online User Behavior in the Presence of Skew and Sparsity.
Adit Krishnan|Ashish Sharma|Hari Sundaram
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018
doi dblp
An Adversarial Approach to Improve Long-Tail Performance in Neural Collaborative Filtering.
Adit Krishnan|Ashish Sharma|Aravind Sankar|Hari Sundaram
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018
doi dblp
The Size Conundrum: Why Online Knowledge Markets Can Fail at Scale.
Himel Dev|Chase Geigle|Qingtao Hu|Jiahui Zheng|Hari Sundaram
Proceedings of the 2018 World Wide Web Conference on World Wide Web, WWW 2018, Lyon, France, April 23-27, 2018

2010

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Extraction, characterization and utility of prototypical communication groups in the blogosphere.
Munmun De Choudhury|Hari Sundaram|Ajita John|Dorée Duncan Seligmann
ACM Transactions on Information Systems (TOIS) 2010 Volume 29 Issue 1

2009

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What makes conversations interesting?: themes, participants and consequences of conversations in online social media.
Munmun De Choudhury|Hari Sundaram|Ajita John|Dorée D. Seligmann
Proceedings of the 18th International Conference on World Wide Web, WWW 2009, Madrid, Spain, April 20-24, 2009
doi dblp
Extracting community structure through relational hypergraphs.
Yu-Ru Lin|Jimeng Sun|Paul C. Castro|Ravi B. Konuru|Hari Sundaram|Aisling Kelliher
Proceedings of the 18th International Conference on World Wide Web, WWW 2009, Madrid, Spain, April 20-24, 2009

2008

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Detecting splogs via temporal dynamics using self-similarity analysis.
Yu-Ru Lin|Hari Sundaram|Yun Chi|Jun'ichi Tatemura|Belle L. Tseng
ACM Transactions on the Web 2008 Volume 2 Issue 1
doi dblp
Multi-scale characterization of social network dynamics in the blogosphere.
Simon Knight|Munmun De Choudhury|Hari Sundaram|Ajita John|Dorée D. Seligmann
Proceedings of the 17th ACM Conference on Information and Knowledge Management, CIKM 2008, Napa Valley, California, USA, October 26-30, 2008
doi dblp
Summarization of social activity over time: people, actions and concepts in dynamic networks.
Yu-Ru Lin|Hari Sundaram|Aisling Kelliher
Proceedings of the 17th ACM Conference on Information and Knowledge Management, CIKM 2008, Napa Valley, California, USA, October 26-30, 2008
doi dblp
Facetnet: a framework for analyzing communities and their evolutions in dynamic networks.
Yu-Ru Lin|Yun Chi|Shenghuo Zhu|Hari Sundaram|Belle L. Tseng
Proceedings of the 17th International Conference on World Wide Web, WWW 2008, Beijing, China, April 21-25, 2008

2006

doi dblp
Image and Video Retrieval, 5th International Conference, CIVR 2006, Tempe, AZ, USA, July 13-15, 2006, Proceedings
ACM International Conference on Image and Video Retrieval (CIVR) 2006
doi dblp
Estimating the Physical Effort of Human Poses.
Yinpeng Chen|Hari Sundaram|Jodi James
Image and Video Retrieval, 5th International Conference, CIVR 2006, Tempe, AZ, USA, July 13-15, 2006, Proceedings
doi dblp
Context-Aware Media Retrieval.
Ankur Mani|Hari Sundaram
Image and Video Retrieval, 5th International Conference, CIVR 2006, Tempe, AZ, USA, July 13-15, 2006, Proceedings
doi dblp
Modular Design of Media Retrieval Workflows Using ARIA.
Lina Peng|Gisik Kwon|Yinpeng Chen|K. Selçuk Candan|Hari Sundaram|Karam S. Chatha|Maria Luisa Sapino
Image and Video Retrieval, 5th International Conference, CIVR 2006, Tempe, AZ, USA, July 13-15, 2006, Proceedings
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The Splog Detection Task and A Solution Based on Temporal and Link Properties.
Yu-Ru Lin|Wen-Yen Chen|Xiaolin Shi|Richard Sia|Xiaodan Song|Yun Chi|Koji Hino|Hari Sundaram|Jun'ichi Tatemura|Belle L. Tseng
Proceedings of the Fifteenth Text REtrieval Conference, TREC 2006, Gaithersburg, Maryland, USA, November 14-17, 2006