Wanwan Peng

Explicit Sparse Self-Attentive Network for CTR Prediction

2021 · Procedia Computer Science

The click-through rate (CTR) prediction is an essential task in the recommendation system. Available raw category features and feature combinations are important for CTR prediction, but their sparsity and high-dimension lead to huge computation. In …

Extraction of Specific Arguments from Chinese Financial News with out-of-domain Samples

2021 · Procedia Computer Science

The object and evidence are two important parts of financial fraud detection (FFD). In traditional FFD tasks, the detected object generally refers to the enterprise involved in typical financial fraud events, and the evidence comes …