Inheritable Fisher vector feature for kinship verification. - Qingfeng Liu; Ajit Puthenputhussery; Chengjun Liu (BTAS, 2015)

Novel general KNN classifier and general nearest mean classifier for visual classification. - Qingfeng Liu; Ajit Puthenputhussery; Chengjun Liu (ICIP, 2015)

Learning the discriminative dictionary for sparse representation by a general fisher regularized model. - Qingfeng Liu; Ajit Puthenputhussery; Chengjun Liu (ICIP, 2015)

Sparse Representation Based Complete Kernel Marginal Fisher Analysis Framework for Computational Art Painting Categorization. - Ajit Puthenputhussery; Qingfeng Liu; Chengjun Liu (ECCV (8), 2016)

SIFT flow based genetic fisher vector feature for kinship verification. - Ajit Puthenputhussery; Qingfeng Liu; Chengjun Liu (ICIP, 2016)

A novel inheritable color space with application to kinship verification. - Qingfeng Liu; Ajit Puthenputhussery; Chengjun Liu (WACV, 2016)

Color multi-fusion fisher vector feature for fine art painting categorization and influence analysis. - Ajit Puthenputhussery; Qingfeng Liu; Chengjun Liu (WACV, 2016)

A Sparse Representation Model Using the Complete Marginal Fisher Analysis Framework and Its Applications to Visual Recognition. - Ajit Puthenputhussery; Qingfeng Liu; Chengjun Liu (IEEE Trans. Multim., 2017)

Multiple Anthropological Fisher Kernel Framework and Its Application to Kinship Verification. - Ajit Puthenputhussery; Qingfeng Liu; Chengjun Liu (WACV, 2018)

Generative and Discriminative Sparse Coding for Image Classification Applications. - Ajit Puthenputhussery; Qingfeng Liu; Hao Liu; Chengjun Liu (WACV, 2018)

Semantic Retrieval at Walmart. - Alessandro Magnani; Feng Liu; Suthee Chaidaroon; Sachin Yadav 004; Praveen Reddy Suram; Ajit Puthenputhussery; Sijie Chen; Min Xie 002; Anirudh Kashi; Tony Lee; Ciya Liao (KDD, 2022)

A Multi-task Learning Framework for Product Ranking with BERT. - Xuyang Wu 002; Alessandro Magnani; Suthee Chaidaroon; Ajit Puthenputhussery; Ciya Liao; Yi Fang 008 (WWW, 2022)

Large Language Models for Relevance Judgment in Product Search. - Navid Mehrdad; Hrushikesh Mohapatra; Mossaab Bagdouri; Prijith Chandran; Alessandro Magnani; Xunfan Cai; Ajit Puthenputhussery; Sachin Yadav 004; Tony Lee; ChengXiang Zhai; Ciya Liao (CoRR, 2024)

Large Scale Deployment of BERT Based Cross Encoder Model for Re-Ranking in Walmart Search Engine. - Ajit Puthenputhussery; Changsung Kang; Alessandro Magnani; Tian Zhang; Hongwei Shang; Nitin Yadav; Prijith Chandran; Bhavin Madhani; Yuan-Tai Fu; He Wang; Zbigniew Gasiorek; Salvatore Tornatore; et al. (SIGIR, 2025)

Knowledge Distillation for Enhancing Walmart E-commerce Search Relevance Using Large Language Models. - Hongwei Shang; Nguyen Vo; Nitin Yadav; Tian Zhang; Ajit Puthenputhussery; Xunfan Cai; Shuyi Chen; Prijith Chandran; Changsung Kang (WWW (Companion Volume), 2025)

Meta-Learning to Rank for Sparsely Supervised Queries. - Xuyang Wu 002; Ajit Puthenputhussery; Hongwei Shang; Changsung Kang; Yi Fang 008 (ACM Trans. Inf. Syst., 2025)