---
license: apache-2.0
language:
- en
tags:
- optimization
- operations-research
- structured-binding
- text-to-milp
size_categories:
- n<1K
---

# OptiCoder Binding Cases

Structured JSON binding cases paired with symbolic formulations for the OptiCoder text-to-MILP pipeline.

Each case includes:
- Natural language problem description
- Symbolic formulation (sets, parameters, variables, objective, constraints)
- Structured binding JSON (all numeric values with provenance)
- Solver-verified ground-truth objective

## Problem Types

- Transportation
- Assignment
- Knapsack
- Production planning

## Usage

```python
import json
from pathlib import Path

case = json.loads(Path("cases/case_transportation.json").read_text())
print(case["binding"])
```