Triple

T21369789
Position Surface form Disambiguated ID Type / Status
Subject Tekoa, Washington E527022 entity
Predicate hasLandmark P105 FINISHED
Object Tekoa railroad trestle
The Tekoa railroad trestle is a historic elevated railway bridge in Tekoa, Washington, notable for its towering steel structure that spans the town’s valley and reflects its railroad heritage.
 E1480508 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: Tekoa railroad trestle | Statement: [Tekoa, Washington, hasLandmark, Tekoa railroad trestle]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tekoa railroad trestle
Context triple: [Tekoa, Washington, hasLandmark, Tekoa railroad trestle]
  • A. Portageville railroad trestle
    The Portageville railroad trestle is a historic steel railway bridge spanning the Genesee River gorge in Letchworth State Park in western New York, long noted for its dramatic height and scenic views.
  • B. Pudding Creek Trestle
    Pudding Creek Trestle is a historic wooden railroad bridge and popular coastal walking and biking trail located along the shoreline near Fort Bragg, California.
  • C. Contoocook Railroad Bridge
    The Contoocook Railroad Bridge is a historic covered railroad bridge in New Hampshire, notable as one of the oldest surviving examples of its kind in the United States.
  • D. McDonald Trestle
    McDonald Trestle is a historic railroad trestle repurposed as a pedestrian and cycling bridge along Pennsylvania’s Montour Trail.
  • E. Hi-Line Railroad Bridge
    The Hi-Line Railroad Bridge is a historic steel railway viaduct in North Dakota, notable as one of the highest and longest railroad bridges in the United States.
  • 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: Tekoa railroad trestle
Triple: [Tekoa, Washington, hasLandmark, Tekoa railroad trestle]
Generated description
The Tekoa railroad trestle is a historic elevated railway bridge in Tekoa, Washington, notable for its towering steel structure that spans the town’s valley and reflects its railroad heritage.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tekoa railroad trestle
Target entity description: The Tekoa railroad trestle is a historic elevated railway bridge in Tekoa, Washington, notable for its towering steel structure that spans the town’s valley and reflects its railroad heritage.
  • A. Portageville railroad trestle
    The Portageville railroad trestle is a historic steel railway bridge spanning the Genesee River gorge in Letchworth State Park in western New York, long noted for its dramatic height and scenic views.
  • B. Pudding Creek Trestle
    Pudding Creek Trestle is a historic wooden railroad bridge and popular coastal walking and biking trail located along the shoreline near Fort Bragg, California.
  • C. Contoocook Railroad Bridge
    The Contoocook Railroad Bridge is a historic covered railroad bridge in New Hampshire, notable as one of the oldest surviving examples of its kind in the United States.
  • D. McDonald Trestle
    McDonald Trestle is a historic railroad trestle repurposed as a pedestrian and cycling bridge along Pennsylvania’s Montour Trail.
  • E. Hi-Line Railroad Bridge
    The Hi-Line Railroad Bridge is a historic steel railway viaduct in North Dakota, notable as one of the highest and longest railroad bridges in the United States.
  • 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_69e0b51e80808190ba5cb05667af02a9 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e8b0adbbc081908ed4d839f7cf8f38 completed April 22, 2026, 11:27 a.m.
NED1 Entity disambiguation (via context triple) batch_6a09ad70242c8190bcbd8b8fb56d82af completed May 17, 2026, 11:58 a.m.
NEDg Description generation batch_6a09af01f54c8190b7d1923a4fba9e06 completed May 17, 2026, 12:05 p.m.
NED2 Entity disambiguation (via description) batch_6a09af62af58819084e740ec78ebe490 completed May 17, 2026, 12:06 p.m.
Created at: April 16, 2026, 5:10 p.m.