Kannan Achan

2026

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Is More Context Always Better? Examining LLM Reasoning Capability for Time Interval Prediction.
Yanan Cao|Farnaz Fallahi|Murali Mohana Krishna Dandu|Lalitesh Morishetti|Kai Zhao|Luyi Ma|Sinduja Subramaniam|Jianpeng Xu|Evren Körpeoglu|Kaushiki Nag|Sushant Kumar|Kannan Achan
Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.
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Campaign-2-PT-RAG: LLM-Guided Semantic Product Type Attribution for Scalable Campaign Ranking.
Yiming Che|Mansi Ranjit Mane|Keerthi Gopalakrishnan|Parisa Kaghazgaran|Murali Mohana Krishna Dandu|Archana Venkatachalapathy|Sinduja Subramaniam|Yokila Arora|Evren Körpeoglu|Sushant Kumar|Kannan Achan
Companion Proceedings of the ACM Web Conference 2026, WWW Companion 2026, Dubai, United Arab Emirates, 29 June 2026 - 3 July 2026
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Triple Modality Fusion: Aligning Visual, Textual, and Graph Data for LLM-based Multi-Behavior Recommender Systems.
Luyi Ma|Xiaohan Li|Zezhong Fan|Kai Zhao|Jianpeng Xu|Jason Cho|Praveenkumar Kanumala|Kaushiki Nag|Evren Körpeoglu|Sushant Kumar|Kannan Achan
Companion Proceedings of the ACM Web Conference 2026, WWW Companion 2026, Dubai, United Arab Emirates, 29 June 2026 - 3 July 2026

2025

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Latent Customer Segmentation and Value-Based Recommendation Leveraging a Two-Stage Model with Missing Labels.
Keerthi Gopalakrishnan|Tianning Dong|Chia-Yen Ho|Yokila Arora|Topojoy Biswas|Jason Cho|Sushant Kumar|Kannan Achan
Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025

2024

doi dblp
LLM-Ensemble: Optimal Large Language Model Ensemble Method for E-commerce Product Attribute Value Extraction.
Chenhao Fang|Ramakrishna Bairi|Sushant Kumar|Xiaohan Li|Kannan Achan|Ganesh Ramakrishnan|Zezhong Fan|Jianpeng Xu|Kaushiki Nag|Evren Körpeoglu|Sushant Kumar|Ramakrishna Bairi|Kannan Achan|Ganesh Ramakrishnan
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
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Prompt Optimizer of Text-to-Image Diffusion Models for Abstract Concept Understanding.
Zezhong Fan|Xiaohan Li|Kaushiki Nag|Chenhao Fang|Topojoy Biswas|Jianpeng Xu|Kannan Achan
Companion Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, Singapore, May 13-17, 2024

2021

doi dblp
Theoretical Understandings of Product Embedding for E-commerce Machine Learning.
Da Xu|Chuanwei Ruan|Evren Körpeoglu|Sushant Kumar|Kannan Achan
WSDM '21, The Fourteenth ACM International Conference on Web Search and Data Mining, Virtual Event, Israel, March 8-12, 2021
doi dblp
Generating Rich Product Descriptions for Conversational E-commerce Systems.
Shashank Kedia|Aditya Mantha|Sneha Gupta|Stephen D. Guo|Kannan Achan
Companion of The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021.

2020

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Data Poisoning Attacks against Differentially Private Recommender Systems.
Soumya Wadhwa|Saurabh Agrawal|Harsh Chaudhari|Deepthi Sharma|Kannan Achan
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020
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Knowledge-aware Complementary Product Representation Learning.
Da Xu|Chuanwei Ruan|Jason H. D. Cho|Evren Körpeoglu|Sushant Kumar|Kannan Achan
WSDM '20: The Thirteenth ACM International Conference on Web Search and Data Mining, Houston, TX, USA, February 3-7, 2020
doi dblp
Product Knowledge Graph Embedding for E-commerce.
Da Xu|Chuanwei Ruan|Evren Körpeoglu|Sushant Kumar|Kannan Achan
WSDM '20: The Thirteenth ACM International Conference on Web Search and Data Mining, Houston, TX, USA, February 3-7, 2020

2008

doi dblp
Using the wisdom of the crowds for keyword generation.
Ariel Fuxman|Panayiotis Tsaparas|Kannan Achan|Rakesh Agrawal
Proceedings of the 17th International Conference on World Wide Web, WWW 2008, Beijing, China, April 21-25, 2008