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cs.CL2026
X-Alpha: An AI Quant Researcher with Memory-Driven Self-Evolution
Fengyuan Liu, Yuchen Fu, Yuqi Wang +2
Human quantitative researchers mine alpha through an iterative process: they derive hypotheses from financial knowledge, implement and test them as factors, and use the resulting e…
cs.CL2026
Semantic Triplet Restoration: A Novel Protocol for Hierarchical Table Understanding in Large Language Models
Yibin Zhao, Fangxin Shang, Dingrui Yang +1
Table question answering requires models to recover semantic relations encoded implicitly by two-dimensional layout, merged cells, and hierarchical headers. Current pipelines typic…