Ontology, models, data — May 2000
SENSUS ontology (90,000 concepts)
LKB glossary extracts (6,000+ concepts)
- Purpose: provide rich domain knowledge
- Sources: Census, EIA, EPA texts
- Linkage to SENSUS: mostly to be done
SIMS domain model (500+ concepts)
- Purpose: describe data, query planning, and optimization of access
- Sources: database metadata, extracted by hand
- Linkage to SENSUS: partly by hand & verified automatically; partly to be done
Database data sources (40+ tables)
- EIA OGIRS: CD with 20 tables in Microsoft Access; no footnotes
- EIA Petroleum Supply Monthly: 20 tables in pdf; converted to html and then wrapped; all with footnotes
Web data sources (60+ tables)
- CEC: 3 tables on webpages; no footnotes
- BLS: 60 table instantiations of webpage; 40 have footnotes