Triple

T15778532
Position Surface form Disambiguated ID Type / Status
Subject Tygart Valley River E382549 entity
Predicate hasDam P8736 FINISHED
Object Tygart Dam
Tygart Dam is a concrete gravity dam in West Virginia that forms Tygart Lake and provides flood control, water supply, and recreational opportunities along the Tygart Valley River.
E1306862 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: Tygart Dam | Statement: [Tygart Valley River, hasDam, Tygart Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tygart Dam
Context triple: [Tygart Valley River, hasDam, Tygart Dam]
  • A. Smith Mountain Dam
    Smith Mountain Dam is a hydroelectric and pumped-storage dam in Virginia that creates Smith Mountain Lake on the Roanoke River.
  • B. Apalachia Dam
    Apalachia Dam is a hydroelectric dam in western North Carolina that impounds the Hiwassee River to generate power and help manage regional water resources.
  • C. Leesville Dam
    Leesville Dam is a hydroelectric and flood-control structure on the Roanoke River in Virginia that creates Leesville Lake.
  • D. Jennings Randolph Dam
    Jennings Randolph Dam is a large earthen flood-control and water-supply dam on the North Branch Potomac River along the Maryland–West Virginia border in the United States.
  • E. Watauga Dam
    Watauga Dam is a hydroelectric dam in northeastern Tennessee that impounds the Watauga River to provide power generation, flood control, and recreational opportunities in the Tennessee Valley region.
  • 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: Tygart Dam
Triple: [Tygart Valley River, hasDam, Tygart Dam]
Generated description
Tygart Dam is a concrete gravity dam in West Virginia that forms Tygart Lake and provides flood control, water supply, and recreational opportunities along the Tygart Valley River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tygart Dam
Target entity description: Tygart Dam is a concrete gravity dam in West Virginia that forms Tygart Lake and provides flood control, water supply, and recreational opportunities along the Tygart Valley River.
  • A. Smith Mountain Dam
    Smith Mountain Dam is a hydroelectric and pumped-storage dam in Virginia that creates Smith Mountain Lake on the Roanoke River.
  • B. Apalachia Dam
    Apalachia Dam is a hydroelectric dam in western North Carolina that impounds the Hiwassee River to generate power and help manage regional water resources.
  • C. Leesville Dam
    Leesville Dam is a hydroelectric and flood-control structure on the Roanoke River in Virginia that creates Leesville Lake.
  • D. Jennings Randolph Dam
    Jennings Randolph Dam is a large earthen flood-control and water-supply dam on the North Branch Potomac River along the Maryland–West Virginia border in the United States.
  • E. Watauga Dam
    Watauga Dam is a hydroelectric dam in northeastern Tennessee that impounds the Watauga River to provide power generation, flood control, and recreational opportunities in the Tennessee Valley region.
  • 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_69d86da09a10819082fe9797b23e4664 completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e053fea90081908e3fe4f91475bead completed April 16, 2026, 3:14 a.m.
NED1 Entity disambiguation (via context triple) batch_6a037c1f2ac48190be5990748207819a completed May 12, 2026, 7:14 p.m.
NEDg Description generation batch_6a037e34ca8c81909bdaa64d3777ffb7 completed May 12, 2026, 7:23 p.m.
NED2 Entity disambiguation (via description) batch_6a037ea9aa208190b82e32b47d04a417 completed May 12, 2026, 7:25 p.m.
Created at: April 10, 2026, 4:47 a.m.