Triple

T9491371
Position Surface form Disambiguated ID Type / Status
Subject Tweetsie Trail E228896 entity
Predicate usesFormerInfrastructureOf P44581 FINISHED
Object ET&WNC Railroad corridor
The ET&WNC Railroad corridor is a historic former narrow-gauge railway route in Tennessee and North Carolina that has largely been converted into recreational trails and greenways.
E801865 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: ET&WNC Railroad corridor | Statement: [Tweetsie Trail, usesFormerInfrastructureOf, ET&WNC Railroad corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: ET&WNC Railroad corridor
Context triple: [Tweetsie Trail, usesFormerInfrastructureOf, ET&WNC Railroad corridor]
  • A. North Carolina Railroad corridor
    The North Carolina Railroad corridor is a historic rail line running across central North Carolina that has shaped the development and growth of numerous towns and cities along its route.
  • B. Burlington–Fort Madison rail corridor
    The Burlington–Fort Madison rail corridor is a key railway line in southeastern Iowa that carries Amtrak passenger trains and significant freight traffic along the Mississippi River between Burlington and Fort Madison.
  • C. T5 Cumberland Line
    The T5 Cumberland Line is a suburban passenger rail service in Sydney, Australia, connecting key western and south-western suburbs without requiring travel through the central business district.
  • D. Sounder South Line
    The Sounder South Line is a commuter rail service in the Seattle metropolitan area that connects downtown Seattle with communities to the south in Washington State.
  • E. Cambrian Coast Line
    The Cambrian Coast Line is a scenic railway route in Wales that runs along the Cardigan Bay coastline, linking coastal towns and rural communities with the broader rail network.
  • 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: ET&WNC Railroad corridor
Triple: [Tweetsie Trail, usesFormerInfrastructureOf, ET&WNC Railroad corridor]
Generated description
The ET&WNC Railroad corridor is a historic former narrow-gauge railway route in Tennessee and North Carolina that has largely been converted into recreational trails and greenways.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: ET&WNC Railroad corridor
Target entity description: The ET&WNC Railroad corridor is a historic former narrow-gauge railway route in Tennessee and North Carolina that has largely been converted into recreational trails and greenways.
  • A. North Carolina Railroad corridor
    The North Carolina Railroad corridor is a historic rail line running across central North Carolina that has shaped the development and growth of numerous towns and cities along its route.
  • B. Burlington–Fort Madison rail corridor
    The Burlington–Fort Madison rail corridor is a key railway line in southeastern Iowa that carries Amtrak passenger trains and significant freight traffic along the Mississippi River between Burlington and Fort Madison.
  • C. T5 Cumberland Line
    The T5 Cumberland Line is a suburban passenger rail service in Sydney, Australia, connecting key western and south-western suburbs without requiring travel through the central business district.
  • D. Sounder South Line
    The Sounder South Line is a commuter rail service in the Seattle metropolitan area that connects downtown Seattle with communities to the south in Washington State.
  • E. Cambrian Coast Line
    The Cambrian Coast Line is a scenic railway route in Wales that runs along the Cardigan Bay coastline, linking coastal towns and rural communities with the broader rail network.
  • 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_69ca847424f081908180305555139f7a completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cd80c89ec48190a2ad49394cab9c56 completed April 1, 2026, 8:32 p.m.
NED1 Entity disambiguation (via context triple) batch_69d12d27c0808190baf5ae04a1b915bb completed April 4, 2026, 3:24 p.m.
NEDg Description generation batch_69d12da44d7c8190afb11ae3009a79e5 completed April 4, 2026, 3:26 p.m.
NED2 Entity disambiguation (via description) batch_69d12e1459348190aed583b2364a53dd completed April 4, 2026, 3:28 p.m.
Created at: March 30, 2026, 7:56 p.m.