Evangelos E. Papalexakis

2026

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A Preliminary Agentic Framework for Matrix Deflation.
Paimon Goulart|Evangelos E. Papalexakis
Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM 2026, Boise, ID, USA, February 22-26, 2026
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Preliminary Use of Vision Language Model Driven Extraction of Mouse Behavior Towards Understanding Fear Expression.
Paimon Goulart|Jordan Steinhauser|Kylene Shuler|Edward Korzus|Jia Chen|Evangelos E. Papalexakis
Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM 2026, Boise, ID, USA, February 22-26, 2026
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A Real-Time System to Populate FRA Form 57 from News.
Chansong Lim|Haz Sameen Shahgir|Yue Dong|Jia Chen|Evangelos E. Papalexakis
Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM 2026, Boise, ID, USA, February 22-26, 2026
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Multi-view Graph Condensation via Tensor Decomposition.
Nícolas Roque dos Santos|Dawon Ahn|Diego Minatel|Alneu de Andrade Lopes|Evangelos E. Papalexakis
Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM 2026, Boise, ID, USA, February 22-26, 2026

2025

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CoCoTen: Detecting Adversarial Inputs to Large Language Models through Latent Space Features of Contextual Co-occurrence Tensors.
Sri Durga Sai Sowmya Kadali|Evangelos E. Papalexakis
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
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Improving Out-of-Vocabulary Hashing in Recommendation Systems.
William Shiao|Mingxuan Ju|Zhichun Guo|Xin Chen|Evangelos E. Papalexakis|Tong Zhao|Neil Shah|Yozen Liu
Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025

2024

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Neural Additive Tensor Decomposition for Sparse Tensors.
Dawon Ahn|Uday Singh Saini|Evangelos E. Papalexakis|Ali Payani
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
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Multi-Graph Explorer: A Framework for Advanced Multi-Graph Analysis and Method Development.
Yorgos Tsitsikas|Evangelos E. Papalexakis
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
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Compact Interpretable Tensor Graph Multi-Modal News Embeddings.
Dawon Ahn|William Shiao|Arindam Khaled|Andrew Bauer|Stefanos Poulis|Evangelos E. Papalexakis
Companion Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, Singapore, May 13-17, 2024
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GPT-generated Text Detection: Benchmark Dataset and Tensor-based Detection Method.
Zubair Qazi|William Shiao|Evangelos E. Papalexakis
Companion Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, Singapore, May 13-17, 2024

2021

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Mining Bursty Groups from Interaction Data.
Alexander Gorovits|Lin Zhang|Ekta Gujral|Evangelos E. Papalexakis|Petko Bogdanov
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
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NED: Niche Detection in User Content Consumption Data.
Ekta Gujral|Leonardo Neves|Evangelos E. Papalexakis|Neil Shah
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

2020

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All You Need Is Low (Rank): Defending Against Adversarial Attacks on Graphs.
Negin Entezari|Saba A. Al-Sayouri|Amirali Darvishzadeh|Evangelos E. Papalexakis
WSDM '20: The Thirteenth ACM International Conference on Web Search and Data Mining, Houston, TX, USA, February 3-7, 2020
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Beyond Rank-1: Discovering Rich Community Structure in Multi-Aspect Graphs.
Ekta Gujral|Ravdeep Pasricha|Evangelos E. Papalexakis
WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020

2019

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Geolocating Tweets in any Language at any Location.
Mike Izbicki|Vagelis Papalexakis|Vassilis J. Tsotras
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019.
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An Empirical Study of Malicious Threads in Security Forums.
Joobin Gharibshah|Zhabiz Gharibshah|Evangelos E. Papalexakis|Michalis Faloutsos
Companion of The 2019 World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019.

2018

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COPA: Constrained PARAFAC2 for Sparse & Large Datasets.
Ardavan Afshar|Ioakeim Perros|Evangelos E. Papalexakis|Elizabeth Searles|Joyce C. Ho|Jimeng Sun
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018
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tHoops: A Multi-Aspect Analytical Framework for Spatio-Temporal Basketball Data.
Evangelos E. Papalexakis|Konstantinos Pelechrinis
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018
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Athlytics: Winning in Sports with Data.
Konstantinos Pelechrinis|Evangelos E. Papalexakis
Proceedings of the Eleventh ACM International Conference on Web Search and Data Mining, WSDM 2018, Marina Del Rey, CA, USA, February 5-9, 2018

2017

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Tensors for Data Mining and Data Fusion: Models, Applications, and Scalable Algorithms.
Evangelos E. Papalexakis|Christos Faloutsos|Nicholas D. Sidiropoulos
ACM Transactions on Intelligent Systems and Technology (TIST) 2017 Volume 8 Issue 2
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Homogeneity in Web Search Results: Diagnosis and Mitigation.
Rakesh Agrawal|Behzad Golshan|Evangelos E. Papalexakis
ACM Transactions on Intelligent Systems and Technology (TIST) 2017 Volume 8 Issue 5
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S-HOT: Scalable High-Order Tucker Decomposition.
Jinoh Oh|Kijung Shin|Evangelos E. Papalexakis|Christos Faloutsos|Hwanjo Yu
Proceedings of the Tenth ACM International Conference on Web Search and Data Mining, WSDM 2017, Cambridge, United Kingdom, February 6-10, 2017

2015

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A Study of Distinctiveness in Web Results of Two Search Engines.
Rakesh Agrawal|Behzad Golshan|Evangelos E. Papalexakis
Proceedings of the 24th International Conference on World Wide Web Companion, WWW 2015, Florence, Italy, May 18-22, 2015 - Companion Volume
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Remix in 3D Printing: What your Sources say About You.
Spiros E. Papadimitriou|Evangelos E. Papalexakis|Bin Liu|Hui Xiong
Proceedings of the 24th International Conference on World Wide Web Companion, WWW 2015, Florence, Italy, May 18-22, 2015 - Companion Volume
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Understanding Multilingual Social Networks in Online Immigrant Communities.
Evangelos E. Papalexakis|A. Seza Dogruöz
Proceedings of the 24th International Conference on World Wide Web Companion, WWW 2015, Florence, Italy, May 18-22, 2015 - Companion Volume

2014

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Contextual insights.
Ariel Fuxman|Patrick Pantel|Yuanhua Lv|Ashok K. Chandra|Pradeep Chilakamarri|Michael Gamon|David Hamilton|Bernhard Kohlmeier|Dhyanesh Narayanan|Evangelos E. Papalexakis|Bo Zhao
23rd International World Wide Web Conference, WWW '14, Seoul, Republic of Korea, April 7-11, 2014, Companion Volume
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Spotting misbehaviors in location-based social networks using tensors.
Evangelos E. Papalexakis|Konstantinos Pelechrinis|Christos Faloutsos
23rd International World Wide Web Conference, WWW '14, Seoul, Republic of Korea, April 7-11, 2014, Companion Volume