3 papers
cs.DB2026
OxyEcomBench: Benchmarking Multimodal Foundation Models across E-Commerce Ecosystems
Yong Liu, Ximan Liu, Guoqing Yang +5
LLMs and MLLMs have become indispensable tools across a wide range of applications. E-commerce, however, poses distinctive challenges -- including intricate domain knowledge, long-…
cs.LG2026
The Procrustean Bed of Time Series: The Optimization Bias in Point-wise Loss Functions
Rongyao Cai, Yuxi Wan, Kexin Zhang +6
Intuitively, a more deterministic time series should be easier to forecast. However, point-wise loss functions (e.g., MSE and MAE), serving as differentiable surrogates for the ide…
cs.LG2025
KFS: KAN based adaptive Frequency Selection learning architecture for long term time series forecasting
Changning Wu, Gao Wu, Rongyao Cai +2
Multi-scale decomposition architectures have emerged as predominant methodologies in time series forecasting. However, real-world time series exhibit noise interference across diff…