Kannan Achan

Group Director/ Researcher, Walmart

Joined

July 2019

Names

Kannan Achan

Emails

****@walmartlabs.com (Confirmed)

****@gmail.com (Confirmed)

Personal Links

Career & Education History

Group Director/ Researcher

Walmart (walmart.com)

2012 – Present

PhD student

University of Toronto (toronto.edu)

2000 – 2006

Advisors, Relations & Conflicts

PhD Advisor

Brendan Frey

2000 – 2006

Expertise

Deep Learning

Present

Personalization

2010 – Present

Recommender systems

2000 – Present

Publications

CARTS: Collaborative Agents for Recommendation Textual Summarization
Jiao Chen, Kehui Yao, Reza Yousefi Maragheh, Kai Zhao, Jianpeng Xu, Jason Cho, Evren Korpeoglu, Sushant Kumar, Kannan Achan
- OpenReview Archive Direct Upload
- Readers: Everyone
Latent Customer Segmentation and Value-Based Recommendation Leveraging a Two-Stage Model with Missing Labels
Keerthi Gopalakrishnan, Tianning Dong, Yokila Arora, Topojoy Biswas, Jason Cho, Sushant Kumar, Kannan Achan
- WWW '25: The ACM Web Conference 2025
- Readers: Everyone
S2SRec2: Set-to-Set Recommendation for Basket Completion with Recipe
Yanan Cao, Omid Memarrast, Shiqin Cai, Sinduja Subramaniam, Evren Korpeoglu, Kannan Achan
- OpenReview Archive Direct Upload
- Readers: Everyone
To See or To Read: User Behavior Reasoning in Multimodal LLMs
Tianning Dong, Luyi Ma, Varun Vasudevan, Jason Cho, Sushant Kumar, Kannan Achan
- NeurIPS 2025 ER Workshop
- Readers: Everyone
No-Human in the Loop: Agentic Evaluation at Scale for Recommendation
Tao Zhang, Kehui Yao, Luyi Ma, Reza Yousefi Maragheh, Jiao Chen, Kai Zhao, Jianpeng Xu, Evren Korpeoglu, Sushant Kumar, Kannan Achan
- NeurIPS 2025 LLM Evaluation Workshop Poster
- Readers: Everyone
LayoutAgent: A Vision-Language Agent Guided Compositional Diffusion for Spatial Layout Planning
Zezhong Fan, Xiaohan Li, Luyi Ma, Kai Zhao, Liang Peng, Topojoy Biswas, Evren Korpeoglu, Kaushiki Nag, Kannan Achan
- SpaVLE Poster
- Readers: Everyone
Spatial Reasoning in Foundation Models: Benchmarking Object-Centric Spatial Understanding
Vahid Mirjalili, Ramin Giahi, Sriram Kollipara, Akshay Kekuda, Kehui Yao, Kai Zhao, Jianpeng Xu, Kaushiki Nag, Sinduja Subramaniam, Topojoy Biswas, Evren Korpeoglu, Kannan Achan
- SpaVLE Poster
- Readers: Everyone
LLM-Based Aspect Augmentations for Recommendation Systems
Reza Yousefi Maragheh, LALITESH MORISHETTI, Ramin Giahi, Kaushiki Nag, Jianpeng Xu, Jason Cho, Evren Korpeoglu, Sushant Kumar, Kannan Achan
- DeployableGenerativeAI
- Readers: Everyone
From Intervention to Domain Transportation: A Novel Perspective to Optimize Recommendation
Da Xu, Yuting Ye, Chuanwei Ruan, Evren Korpeoglu, Sushant Kumar, Kannan Achan
- Published: 28 Jan 2022, Last Modified: 12 Oct 2025
- ICLR 2022 Poster
- Readers: Everyone
A Temporal Kernel Approach for Deep Learning with Continuous-time Information
Da Xu, Chuanwei Ruan, Evren Korpeoglu, Sushant Kumar, Kannan Achan
- Published: 12 Jan 2021, Last Modified: 12 Oct 2025
- ICLR 2021 Poster
- Readers: Everyone

View all 15 publications

Co-Authors

View all 39 co-authors