Unifying Search and Recommendation in LLMs via Gradient Multi-Subspace Tuning.

@inproceedings{zhao-2026-unifying, author = {Jujia Zhao and Zihan Wang and Shuaiqun Pan and Suzan Verberne and Zhaochun Ren}, editor = {Hannah Bast and Alistair Moffat and Falk Scholer and Marc Najork and Min Zhang and Hannah Bast and Marc Najork and Min Zhang}, title = {{Unifying Search and Recommendation in LLMs via Gradient Multi-Subspace Tuning}}, booktitle = {{Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026}}, pages = {2486--2497}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3805712.3809719}, doi = {https://doi.org/10.1145/3805712.3809719} }