CHANGJIANHE.
APPLIED MATHEMATICIAN
FOUNDER
FROM IDEA TO IMPLEMENTATION
A city of options.
A clearer choice.
A rental-listing agent that brings inventory, location, and commute context into one workflow.
INTERACTIVE SAMPLE · FICTIONAL LISTING$3,200 / mo
1 bed · In-unit laundry
Commute context available
Change the substrate.
Define what’s possible.
Structured data becomes computational elements for a declared scope of operations.
Compare elements using the declared geometry. Visual positions are illustrative.
Inspect.
Evaluate.
Then approve.
A local desktop workflow with explicit review, validation, and human approval.
MVP-A · Implemented desktop workflow
Release checks remain at the recorded checkpoint.
Begin with structure.
Inspect a structured dataset before choosing how to proceed.
Interface interpretation based on implemented screens. Sample states, not a live certification run.
What does
a model
remember?
Inferring training membership from embedding-based recommendation models.
User and item towers turn their respective inputs into embeddings.
Accuracy · Different class balances: 4:1 vs 1:10 IN:OUT.
These are reported experimental results, not universal success rates.
Let’s build
what’s next.
Applied AI, research collaborations, and ambitious products that need technical depth.
Let’s connect