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lijiaweiphilip-web/README.md

Jiawei (Philip) Li

NTU Master of Computing (Applied Artificial Intelligence)

I build auditable AI systems for financial and research workflows, with a focus on financial agents, evidence-grounded evaluation, model validation, and reproducible ML.

Selected research

  • Accepted ACM HCOMP 2026 full paper, sole author: From Answers to Audit Opinions: Cost-Aware Expert Verification of Financial Artifacts from Tool-Using LLM Agents. The paper studies evidence-grounded verification of financial artifacts produced by tool-using LLM agents.
  • spy-public-market-model-validation: public v0.2.1 SPY adjusted-close model-validation release using purged walk-forward folds, finance and ML baselines, QLIKE/RMSE, hash-verified artifacts, and a reproducible synthetic demo. It makes no trading or alpha claim.
  • auditable-financial-agents: public v0.2.0 research-code companion implementing the paper's core research-label and evidence/materiality logic on deterministic synthetic examples; it is not the official HCOMP implementation or a full empirical reproduction.
  • l40s-llm-bench: public v0.1.6 reproducible LLM inference harness with configuration capture, raw-result schemas, CI, manifests, and a truthful no-real-GPU-results boundary.

Research themes

  • Financial AI and professional agents
  • Evidence grounding, provenance, and auditability
  • Model validation, robustness, and failure analysis
  • Reproducible ML research engineering

Background

My earlier finance, accounting, audit-oriented data review, and risk-advisory work shaped an interest in materiality, traceability, controls, and reliable decision support.

Links

Public repositories contain only claims and artifacts that pass a disclosure and reproducibility check.

Pinned Loading

  1. l40s-llm-bench l40s-llm-bench Public

    Reproducible LLM inference benchmark scaffold for NVIDIA L40S and OpenAI-compatible servers.

    Python 1 1

  2. auditable-financial-agents auditable-financial-agents Public

    Public-safe research code for evidence-grounded review of financial artifacts produced by tool-using AI agents.

    Python

  3. spy-public-market-model-validation spy-public-market-model-validation Public

    Evidence-first purged walk-forward validation of simple volatility-proxy models on SPY daily data.

    Python