Triple

T11696694
Position Surface form Disambiguated ID Type / Status
Subject Louisa County, Virginia E278012 entity
Predicate locatedOn P40 FINISHED
Object North Anna River watershed
The North Anna River watershed is a drainage basin in central Virginia that collects and channels water from surrounding counties, including Louisa County, into the North Anna River system.
 E941181 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: North Anna River watershed | Statement: [Louisa County, Virginia, locatedOn, North Anna River watershed]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: North Anna River watershed
Context triple: [Louisa County, Virginia, locatedOn, North Anna River watershed]
  • A. South Anna River
    The South Anna River is a tributary of the Pamunkey River in central Virginia, known for flowing through rural landscapes and contributing to the region’s watershed and recreation.
  • B. South River
    South River is a tidal tributary of the Chesapeake Bay in Maryland known for its boating, waterfront communities, and scenic estuarine environment.
  • C. South River
    South River is a small village in Ontario, Canada, known as a gateway to nearby provincial parks and outdoor recreation in the Almaguin Highlands region.
  • D. South River
    South River is a waterway in Georgia that flows through the Arabia Mountain National Heritage Area, contributing to its natural and scenic landscape.
  • E. South River
    South River is a coastal waterway in Duxbury, Massachusetts, that flows through marshlands into Duxbury Bay on the Atlantic Ocean.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: North Anna River watershed
Triple: [Louisa County, Virginia, locatedOn, North Anna River watershed]
Generated description
The North Anna River watershed is a drainage basin in central Virginia that collects and channels water from surrounding counties, including Louisa County, into the North Anna River system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: North Anna River watershed
Target entity description: The North Anna River watershed is a drainage basin in central Virginia that collects and channels water from surrounding counties, including Louisa County, into the North Anna River system.
  • A. South Anna River
    The South Anna River is a tributary of the Pamunkey River in central Virginia, known for flowing through rural landscapes and contributing to the region’s watershed and recreation.
  • B. South River
    South River is a small village in Ontario, Canada, known as a gateway to nearby provincial parks and outdoor recreation in the Almaguin Highlands region.
  • C. South River
    South River is a waterway in Georgia that flows through the Arabia Mountain National Heritage Area, contributing to its natural and scenic landscape.
  • D. South River
    South River is a coastal waterway in Duxbury, Massachusetts, that flows through marshlands into Duxbury Bay on the Atlantic Ocean.
  • E. South River
    South River is a tidal tributary of the Chesapeake Bay in Maryland known for its boating, waterfront communities, and scenic estuarine environment.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d6aafe02d881909900d54ad7d4af84 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d8a47cef60819088b7cc3a3a711e4c completed April 10, 2026, 7:19 a.m.
NED1 Entity disambiguation (via context triple) batch_69ef1471cba88190a7abdcbf4f579ea9 completed April 27, 2026, 7:46 a.m.
NEDg Description generation batch_69ef511f8f688190b2806d4e8ab16511 completed April 27, 2026, 12:05 p.m.
NED2 Entity disambiguation (via description) batch_69ef537efcc48190afffaa50f28940d8 completed April 27, 2026, 12:15 p.m.
Created at: April 8, 2026, 9:40 p.m.