Triple

T26439161
Position Surface form Disambiguated ID Type / Status
Subject Pittsburgh and West Virginia Railway E665036 entity
Predicate notableStructureOnLine P10970 FINISHED
Object Ohio River bridge at Steubenville
The Ohio River bridge at Steubenville is a historic railroad bridge spanning the Ohio River at Steubenville, Ohio, that carried trains of the Pittsburgh and West Virginia Railway.
 E1726636 NE FINISHED

How this triple was built (3 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: Ohio River bridge at Steubenville | Statement: [Pittsburgh and West Virginia Railway, notableStructureOnLine, Ohio River bridge at Steubenville]
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: Ohio River bridge at Steubenville
Triple: [Pittsburgh and West Virginia Railway, notableStructureOnLine, Ohio River bridge at Steubenville]
Generated description
The Ohio River bridge at Steubenville is a historic railroad bridge spanning the Ohio River at Steubenville, Ohio, that carried trains of the Pittsburgh and West Virginia Railway.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: notableStructureOnLine
Context triple: [Pittsburgh and West Virginia Railway, notableStructureOnLine, Ohio River bridge at Steubenville]
  • A. notablePlace
    Indicates that a place is especially significant, famous, or noteworthy in relation to the subject.
  • B. notableLocation
    Indicates that a location is especially significant, prominent, or noteworthy in relation to the subject.
  • C. notableRouteFeature chosen
    Indicates that a route is associated with a distinctive or significant feature, such as a landmark, characteristic terrain, or other notable aspect along its path.
  • D. notableLocationFeature
    Indicates that a location is characterized or distinguished by a particular notable physical or contextual feature.
  • E. notableSpot
    Indicates that a location is recognized as a significant or noteworthy place in some context.
  • F. None of above.

Provenance (6 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_69ee883c851881909e2ab04efbb3c5fe completed April 26, 2026, 9:48 p.m.
NER Named-entity recognition batch_69feb8e856d48190aa34ad8ee8376e1c completed May 9, 2026, 4:32 a.m.
NED1 Entity disambiguation (via context triple) batch_6a11aecdb59881908ea101f3d86d0f34 completed May 23, 2026, 1:42 p.m.
NEDg Description generation batch_6a11b2c94adc819094e6b7ce0087d8e0 completed May 23, 2026, 1:59 p.m.
NED2 Entity disambiguation (via description) batch_6a11b33845e8819091d97a8198007f76 completed May 23, 2026, 2:01 p.m.
PD Predicate disambiguation batch_69feb82a2b6c8190a473cc25976897be completed May 9, 2026, 4:29 a.m.
Created at: April 26, 2026, 11:56 p.m.