Triple

T4813696
Position Surface form Disambiguated ID Type / Status
Subject Canaan Valley E107132 entity
Predicate contains P35 FINISHED
Object Blackwater River headwaters
Blackwater River headwaters are the high-elevation source streams of the Blackwater River located in the wetland-rich Canaan Valley of West Virginia.
 E471584 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: Blackwater River headwaters | Statement: [Canaan Valley, contains, Blackwater River headwaters]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Blackwater River headwaters
Context triple: [Canaan Valley, contains, Blackwater River headwaters]
  • A. Blackwater River
    The Blackwater River is a waterway in Northern Ireland that served as a significant geographic feature during the 1646 Battle of Benburb in the Irish Confederate Wars.
  • B. Blackwater River
    Blackwater River is a scenic, tannin-dark river in northwest Florida known for its sandy beaches, paddling, and fishing opportunities.
  • C. Blackwater Valley
    Blackwater Valley is a scenic river valley in County Cork, Ireland, known for its fertile farmland, historic towns, and picturesque landscapes along the River Blackwater.
  • D. Coldstream River
    The Coldstream River is a tributary waterway in New South Wales, Australia, that forms part of the larger Clarence River catchment.
  • E. River Blackwater (Kells Blackwater)
    River Blackwater (Kells Blackwater) is a significant river in County Meath, Ireland, known for flowing through Kells before joining the River Boyne.
  • 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: Blackwater River headwaters
Triple: [Canaan Valley, contains, Blackwater River headwaters]
Generated description
Blackwater River headwaters are the high-elevation source streams of the Blackwater River located in the wetland-rich Canaan Valley of West Virginia.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Blackwater River headwaters
Target entity description: Blackwater River headwaters are the high-elevation source streams of the Blackwater River located in the wetland-rich Canaan Valley of West Virginia.
  • A. Blackwater River
    The Blackwater River is a waterway in Northern Ireland that served as a significant geographic feature during the 1646 Battle of Benburb in the Irish Confederate Wars.
  • B. Blackwater River
    Blackwater River is a scenic, tannin-dark river in northwest Florida known for its sandy beaches, paddling, and fishing opportunities.
  • C. Blackwater Valley
    Blackwater Valley is a scenic river valley in County Cork, Ireland, known for its fertile farmland, historic towns, and picturesque landscapes along the River Blackwater.
  • D. Coldstream River
    The Coldstream River is a tributary waterway in New South Wales, Australia, that forms part of the larger Clarence River catchment.
  • E. River Blackwater (Kells Blackwater)
    River Blackwater (Kells Blackwater) is a significant river in County Meath, Ireland, known for flowing through Kells before joining the River Boyne.
  • 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_69bd43f779448190b92885cb70abb6c2 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd6c80ce048190a7c9f14431d7c62f completed March 20, 2026, 3:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69be4db1b67c81908272d8b7e7e4e1f1 completed March 21, 2026, 7:50 a.m.
NEDg Description generation batch_69be4e9378f08190b9fb3745ff2ea964 completed March 21, 2026, 7:53 a.m.
NED2 Entity disambiguation (via description) batch_69be4ef501e081908a75547e9bb52c0c completed March 21, 2026, 7:55 a.m.
Created at: March 20, 2026, 1:23 p.m.