EGA-V1: Unifying Online Advertising with End-to-End Learning

• URL: http://arxiv.org/abs/2505.19755v2
• Date: Mon, 02 Jun 2025 13:46:57 GMT
• Title: EGA-V1: Unifying Online Advertising with End-to-End Learning
• Authors: Junyan Qiu, Ze Wang, Fan Zhang, Zuowu Zheng, Jile Zhu, Jiangke Fan, Teng Zhang, Haitao Wang, Yongkang Wang, Xingxing Wang,
• Abstract summary: We present EGA-V1, an end-to-end generative architecture that unifies online advertising ranking as one model.<n>EGA-V1 replaces cascaded stages with a single model to directly generate optimal ad sequences from the full candidate ad corpus.
• Score: 17.943921299281207
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Modern industrial advertising systems commonly employ Multi-stage Cascading Architectures (MCA) to balance computational efficiency with ranking accuracy. However, this approach presents two fundamental challenges: (1) performance inconsistencies arising from divergent optimization targets and capability differences between stages, and (2) failure to account for advertisement externalities - the complex interactions between candidate ads during ranking. These limitations ultimately compromise system effectiveness and reduce platform profitability. In this paper, we present EGA-V1, an end-to-end generative architecture that unifies online advertising ranking as one model. EGA-V1 replaces cascaded stages with a single model to directly generate optimal ad sequences from the full candidate ad corpus in location-based services (LBS). The primary challenges associated with this approach stem from high costs of feature processing and computational bottlenecks in modeling externalities of large-scale candidate pools. To address these challenges, EGA-V1 introduces an algorithm and engine co-designed hybrid feature service to decouple user and ad feature processing, reducing latency while preserving expressiveness. To efficiently extract intra- and cross-sequence mutual information, we propose RecFormer with an innovative cluster-attention mechanism as its core architectural component. Furthermore, we propose a bi-stage training strategy that integrates pre-training with reinforcement learning-based post-training to meet sophisticated platform and advertising objectives. Extensive offline evaluations on public benchmarks and large-scale online A/B testing on industrial advertising platform have demonstrated the superior performance of EGA-V1 over state-of-the-art MCAs.

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