Triple

T18863685
Position Surface form Disambiguated ID Type / Status
Subject Mount Washington Cog Railway upper station E461376 entity
Predicate ownedBy P347 FINISHED
Object Mount Washington Railway Company
Mount Washington Railway Company is the operator of the historic Mount Washington Cog Railway, one of the world’s first mountain-climbing rack railways located on Mount Washington in New Hampshire.
E1347455 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: Mount Washington Railway Company | Statement: [Mount Washington Cog Railway upper station, ownedBy, Mount Washington Railway Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mount Washington Railway Company
Context triple: [Mount Washington Cog Railway upper station, ownedBy, Mount Washington Railway Company]
  • A. Mount Washington Cog Railway
    Mount Washington Cog Railway is a historic mountain-climbing railroad in New Hampshire that carries passengers to the summit of Mount Washington using cog-driven locomotives.
  • B. Mount Washington Resort
    Mount Washington Resort is a historic grand hotel and ski resort in Bretton Woods, New Hampshire, renowned for its distinctive Spanish Renaissance Revival architecture and its role in hosting the 1944 Bretton Woods monetary conference.
  • C. Mount Washington Alpine Resort
    Mount Washington Alpine Resort is a popular ski and snowboard destination on Vancouver Island known for its heavy snowfall, alpine terrain, and year-round outdoor recreation.
  • D. Mount Washington Cog Railway upper station
    Mount Washington Cog Railway upper station is the mountaintop terminus of the historic cog railway on New Hampshire’s Mount Washington, serving as an arrival point and visitor facility near the summit.
  • E. Cannon Mountain Aerial Tramway
    Cannon Mountain Aerial Tramway is an aerial cable car system in New Hampshire’s White Mountains that carries visitors to the summit of Cannon Mountain for scenic views and recreation.
  • 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: Mount Washington Railway Company
Triple: [Mount Washington Cog Railway upper station, ownedBy, Mount Washington Railway Company]
Generated description
Mount Washington Railway Company is the operator of the historic Mount Washington Cog Railway, one of the world’s first mountain-climbing rack railways located on Mount Washington in New Hampshire.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mount Washington Railway Company
Target entity description: Mount Washington Railway Company is the operator of the historic Mount Washington Cog Railway, one of the world’s first mountain-climbing rack railways located on Mount Washington in New Hampshire.
  • A. Mount Washington Cog Railway
    Mount Washington Cog Railway is a historic mountain-climbing railroad in New Hampshire that carries passengers to the summit of Mount Washington using cog-driven locomotives.
  • B. Mount Washington Resort
    Mount Washington Resort is a historic grand hotel and ski resort in Bretton Woods, New Hampshire, renowned for its distinctive Spanish Renaissance Revival architecture and its role in hosting the 1944 Bretton Woods monetary conference.
  • C. Mount Washington Alpine Resort
    Mount Washington Alpine Resort is a popular ski and snowboard destination on Vancouver Island known for its heavy snowfall, alpine terrain, and year-round outdoor recreation.
  • D. Mount Washington Cog Railway upper station
    Mount Washington Cog Railway upper station is the mountaintop terminus of the historic cog railway on New Hampshire’s Mount Washington, serving as an arrival point and visitor facility near the summit.
  • E. Cannon Mountain Aerial Tramway
    Cannon Mountain Aerial Tramway is an aerial cable car system in New Hampshire’s White Mountains that carries visitors to the summit of Cannon Mountain for scenic views and recreation.
  • 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_69d8dcfb7b9c8190854e7b171b98ea2e completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5c2a304d4819092f14b7932d01afe completed April 20, 2026, 6:07 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0575b902ec8190bcda2ab33b87bea4 completed May 14, 2026, 7:11 a.m.
NEDg Description generation batch_6a057927ddd881908809c9c27e1ae5a2 completed May 14, 2026, 7:26 a.m.
NED2 Entity disambiguation (via description) batch_6a0579982b4c8190a7cff4d2946bc15d completed May 14, 2026, 7:28 a.m.
Created at: April 10, 2026, 11:57 a.m.