Triple

T34079299
Position Surface form Disambiguated ID Type / Status
Subject Norfolk Southern Pittsburgh Line E873988 entity
Predicate hasRailfanLocation P192241 FINISHED
Object Horseshoe Curve railfan overlook NE NERFINISHED

How this triple was built (2 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: Horseshoe Curve railfan overlook | Statement: [Norfolk Southern Pittsburgh Line, hasRailfanLocation, Horseshoe Curve railfan overlook]
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasRailfanLocation
Context triple: [Norfolk Southern Pittsburgh Line, hasRailfanLocation, Horseshoe Curve railfan overlook]
  • A. hasLocationRole
    Indicates that an entity holds or plays a specific role in relation to a particular location (e.g., origin, destination, storage site, or operational area).
  • B. liveLocation
    Indicates that an entity’s current place of residence or primary location is at the specified place.
  • C. hasReceiverLocation
    Indicates that an entity serves as the destination or location where something is received by another party.
  • D. tracksLocation
    Indicates that one entity monitors and records the geographic position or movement of another entity over time.
  • E. hasCheckInLocation
    Indicates that an entity performs or is associated with a check-in action at a specific location.
  • F. None of above. chosen

Provenance (4 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_69f349a566808190a1c63b898f33cddf completed April 30, 2026, 12:23 p.m.
NER Named-entity recognition batch_69fd02680d948190a3463fb119ba8556 completed May 7, 2026, 9:21 p.m.
PD Predicate disambiguation batch_69fcf89c69b4819082bbc564bd15137d completed May 7, 2026, 8:39 p.m.
PDg Predicate description generation batch_69fd026757a081909911a59a78652709 completed May 7, 2026, 9:21 p.m.
Created at: May 1, 2026, 1:52 a.m.