• http://www.yaml.org/
• SnakeYaml Java 5 YAML 파서 SnakeYaml Maven Repository
• YAML 1.2 Spec

• syntax - how to reference a YAML "setting" from elsewhere in the same YAML file? - Stack Overflow
• Reference example 2.9

# 새미 소사가 반복될 경우
---
hr: # 1998 hr ranking
  - Mark McGwire
  - Sammy Sosa
rbi:
  # 1998 rbi ranking
  - Sammy Sosa
  - Ken Griffey
 
->

---
hr:
  - Mark McGwire
  # Following node labeled SS
  - &SS Sammy Sosa
rbi:
  - *SS # Subsequent occurrence
  - Ken Griffey