Author

Jingjie Xia

h-index 0 View on Semantic Scholar

We have 2 of 2 papers

We haven’t gathered this author’s papers yet. Follow them and we’ll fetch their work.

Not the right person? Other researchers publish under this name.

Preprint Aug 2026

Topology-Masked Unified Backbone for Joint Feature Interaction and Multi-Domain Sequence Modeling

Large-scale post-click conversion rate (CVR) prediction requires jointly modeling heterogeneous feature interactions and dependencies over multi-domain user behavior sequences. Existing industrial ranking models usually handle these two aspects with separate modules. Recent unified architectures attempt to incorporate...

Zhiwu Zhu, Dezheng Han, Jingjie Xia et al. · 0 citations

#small language model Preprint Aug 2026

OPDSearch+: On-Policy Distillation with RL Refinement for Search-Augmented Reasoning

The role of a frozen off-the-shelf instruct model as the teacher in on-policy distillation is investigated, and a key insight is revealed: the teacher reshapes the student's policy distribution so that subsequent RL converges to a superior solution that RL alone cannot reach.

Qi Ye, Zhi-Yuan Gu, Jingjie Xia et al. · 3 citations