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ResearchTemporal Leakage in Financial News NLP

Temporal Leakage in Financial News NLP: A Multi-Architecture Audit with a Regime-Specific M&A Signal

Chenhao Xue, Raslen Guesmi, Siwei Feng, Yucheng Gong, Jacob Xavier Sundram, Jordan Pang, Lan Wang, Julian Kaljuvee

Markdown version converted from the arXiv HTML for reading and retrieval. Figures are omitted. The arXiv version is authoritative; all credit to the authors.

Contents

Research and Talks

Articles & talks by Julian
Papers1▸
Temporal Leakage in Financial News NLP: A Multi-Architecture Audit with a Regime-Specific M&A Signal
LinkedIn6▸
A Quick Introduction to Recursive Language Models (RLMs)
Scaling LLM Evaluation with Synthetic Data
Knowledge Graphs + RAG = GraphRAG
Return of the Diffusion Models
Prismatic Synthesis — How Small Language Models (SLMs) Beat the Giants
The Return to the Command Line — TUIs and DSLs
Talks6▸
RAG Enterprise Search
Estonia AI Meetup — Mar 2025
Mentastic AI Workshop
Estonia AI Meetup — Oct 2023
Estonia AI Meetup — Jul 2023
Data Scrum — Alternative Data
Personal Blog10▸
Visualising Poetry with AI
Announcing AltSignals.AI [Beta]
News Sentiment Based Long-Short Trading Strategy
News Named Entity Extraction (NER) and Sentiment Analysis
In Search of Perfect Repair Mechanisms
Predicting Company Sales with Alternative Data
Data Science — Basic Scikit Learn Techniques
Information is Beautiful — Visualising US Immigration
Data Science — What is Alt Data or Alternative Data?
The Best Jobs in the World