About This Index
coeld is the system index and digital workspace of Cedric Oeldorf, a researcher and builder working in applied AI.
For longer arguments, see Essays. For notes, frameworks, and case studies, see Guides. For working tools and prototypes, see Toolbox. Search the full corpus below or read it as a chronological log.
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Applied AI notes, working systems, and new tools when they ship. Occasional only.
9 entries
A Practical Guide to Entity Resolution
12 min readA general guide to matching messy records into governed entities, with blocking, scoring, selective review, clustering, survivorship, and evidence-first reference tables.
A Context Layer for Teams
8 min readMost teams already have the raw material for a context layer in Drive, Slack, and scattered transcripts; the hard part is turning that sprawl into a shared record that people and agents can use without rebuilding the history each time.
What TurboQuant Is and Why It Matters
6 min readGoogle’s new TurboQuant method compresses key-value cache and search vectors more aggressively by cutting quantization overhead, which could make long-context inference and retrieval cheaper and faster.
The Future of Personal AI Is Local by Default
9 min readHardware, model compression, frontier benchmarks, and pricing all point to the same outcome: local AI becomes the default for ordinary work, while cloud models remain the escalation path for the hardest tasks.
PDF vs Markdown for AI: Token, Speed, and Storage Benchmarks
8 min readA file-level benchmark comparing PDF and Markdown on storage, prep speed, and token estimates, including an image-bearing Grimm fairy tales PDF.
PDF to Markdown
LiveTurn a text PDF into lean Markdown that saves tokens and fits a personal context layer.
How to Build a Personal Context Layer with Claude, Codex, and Obsidian
11 min readA practical framework for using folders, Markdown, per-project agent contracts, and Obsidian as a durable local context layer.
Back to Basics: Desktop Folders Are Becoming the Main UI Again
5 min readAI work is moving out of the chat box and back into project folders, because files are the simplest durable context layer for coworker-style tools.
Context Layer Generator
LiveGenerate a kickoff prompt for a new Claude or Codex local context layer.