Hefu Zhang

Interactive Attention Transfer Network for Cross-Domain Sentiment Classification

2019 · Proceedings of the AAAI Conference on Artificial Intelligence

Cross-domain sentiment classification refers to utilizing useful knowledge in the source domain to help sentiment classification in the target domain which has few or no labeled data. Most existing methods mainly concentrate on extracting common …

Alpha-Beta Sampling for Pairwise Ranking in One-Class Collaborative Filtering

2019

This paper introduces Alpha-Beta Sampling (ABS) strategy, which is particularly intended for the sampling problem of pairwise ranking in one-class collaborative filtering (PROCCF). Specifically, ABS strategy places more emphasis on such training examples, including positive …

Promoting Machine Abilities of Discovering and Utilizing Knowledge in a Unified Zero-Shot Learning Paradigm

2024 · ACM Transactions on Knowledge Discovery from Data

Knowledge discovery and utilization are two essential cognitive processes that enable humans to understand the world and extract new insights from their surroundings. These processes have motivated machine learning studies, particularly zero-shot (ZS) learning, which …