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cs.IR2023
SAGE: Structured Attribute Value Generation for Billion-Scale Product Catalogs
Athanasios N. Nikolakopoulos, Swati Kaul, Siva Karthik Gade +3
We introduce SAGE; a Generative LLM for inferring attribute values for products across world-wide e-Commerce catalogs. We introduce a novel formulation of the attribute-value predi…
cs.IR2021
Trust your neighbors: A comprehensive survey of neighborhood-based methods for recommender systems
Athanasios N. Nikolakopoulos, Xia Ning, Christian Desrosiers +1
Collaborative recommendation approaches based on nearest-neighbors are still highly popular today due to their simplicity, their efficiency, and their ability to produce accurate a…
cs.IR2019
Boosting Item-based Collaborative Filtering via Nearly Uncoupled Random Walks
Athanasios N. Nikolakopoulos, George Karypis
Item-based models are among the most popular collaborative filtering approaches for building recommender systems. Random walks can provide a powerful tool for harvesting the rich n…