The pressure for survival prohibits slow, linear adaptation to different goals, i.e., learning value functions from scratch for each new objective.

We consider two fundamental problems.

Choice models are essential for understanding decision-making processes in domains like online advertising, product recommendations, and assortment optimization.

Code and models will be released.

Due to its low storage cost and fast search speed, cross-modal retrieval based on hashing has attracted widespread attention and is widely used in real-world applications of social media search.