PICTERO Grounding // Visual Source Provenance
Definition and Scope
This page defines provenance rules used by PICTERO to convert heterogeneous source documents into normalized visual tiles. The scope includes extraction priority, fallback behavior, and route-specific trust boundaries.
Data Provenance
| Source Class | Primary Systems | Normalization Goal |
|---|---|---|
| Historical | Wikipedia REST API | Event-linked imagery and date-grounded timeline lanes |
| News | BBC, CNN, Spiegel, The Guardian feeds | Source-grouped world and topical visual headlines |
| Memes | Reddit JSON + selected RSS | Topic-aware humor lanes with daily cache safeguards |
| Digital Art | Curated visual APIs and mood tags | Mood-grounded aesthetic discovery lanes |
Entity Linking
- Data lineage: https://en.wikipedia.org/wiki/Data_lineage
- Provenance in information science: https://www.wikidata.org/wiki/Q35308049
- Trust concept: https://www.wikidata.org/wiki/Q515
Technical Interface
Core route contracts for provenance-aware views:
/?m=news&sub=politicssource-grouped politics news lanes./?m=memes&sub=funnysource-grouped humor lanes./?m=art&mood=noirmood-grounded digital art lanes./?m=timetravel&d=YYYY-MM-DDday-anchored visual history lanes.
Extraction priority model: enclosure/media fields, embedded media metadata, and validated image fallback per route class.