Ambuj K. Singh

2025

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GCFExplainer: Global Counterfactual Explainer for Graph Neural Networks.
Mert Kosan|Zexi Huang|Sourav Medya|Sayan Ranu|Ambuj Singh
ACM Transactions on Intelligent Systems and Technology (TIST) 2025 Volume 16 Issue 5
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Dynamic Gradient Influencing for Viral Marketing Using Graph Neural Networks.
Saurabh Sharma|Ambuj K. Singh
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025

2023

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Global Counterfactual Explainer for Graph Neural Networks.
Zexi Huang|Mert Kosan|Sourav Medya|Sayan Ranu|Ambuj K. Singh
Proceedings of the Sixteenth ACM International Conference on Web Search and Data Mining, WSDM 2023, Singapore, 27 February 2023 - 3 March 2023.

2022

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POLE: Polarized Embedding for Signed Networks.
Zexi Huang|Arlei Silva|Ambuj K. Singh
WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21 - 25, 2022
doi dblp
Multi-Resolution Attention for Personalized Item Search.
Furkan Kocayusufoglu|Tao Wu|Anima Singh|Georgios Roumpos|Heng-Tze Cheng|Sagar Jain|Ed H. Chi|Ambuj K. Singh
WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21 - 25, 2022

2018

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Spectral Algorithms for Temporal Graph Cuts.
Arlei Silva|Ambuj K. Singh|Ananthram Swami
Proceedings of the 2018 World Wide Web Conference on World Wide Web, WWW 2018, Lyon, France, April 23-27, 2018

2017

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GPOP: Scalable Group-level Popularity Prediction for Online Content in Social Networks.
Minh X. Hoang|Xuan-Hong Dang|Xiang Wu|Zhenyu Yan|Ambuj K. Singh
Proceedings of the 26th International Conference on World Wide Web, WWW 2017, Perth, Australia, April 3-7, 2017

2015

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Beyond Models: Forecasting Complex Network Processes Directly from Data.
Bruno Ribeiro|Minh X. Hoang|Ambuj K. Singh
Proceedings of the 24th International Conference on World Wide Web, WWW 2015, Florence, Italy, May 18-22, 2015

2013

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Accurate and scalable nearest neighbors in large networks based on effective importance.
Petko Bogdanov|Ambuj K. Singh
22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013

2005

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Scalable ranking for preference queries.
Ying Feng|Divyakant Agrawal|Amr El Abbadi|Ambuj K. Singh
Proceedings of the 2005 ACM CIKM International Conference on Information and Knowledge Management, Bremen, Germany, October 31 - November 5, 2005
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DIST: a distributed spatio-temporal index structure for sensor networks.
Anand Meka|Ambuj K. Singh
Proceedings of the 2005 ACM CIKM International Conference on Information and Knowledge Management, Bremen, Germany, October 31 - November 5, 2005

1996

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Efficient Retrieval for Browsing Large Image Databases.
Daniel Wu|Divyakant Agrawal|Amr El Abbadi|Ambuj K. Singh|Terence R. Smith
CIKM '96, Proceedings of the Fifth International Conference on Information and Knowledge Management, November 12 - 16, 1996, Rockville, Maryland, USA