Triple

T27868629
Position Surface form Disambiguated ID Type / Status
Subject Hill Valley Train Station E704428 entity
Predicate hasFictionalRailroad P125068 FINISHED
Object Hill Valley railroad line
The Hill Valley railroad line is a fictional train route featured in the Back to the Future film series, serving the town of Hill Valley across different time periods.
 E704428 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: Hill Valley railroad line | Statement: [Hill Valley Train Station, hasFictionalRailroad, Hill Valley railroad line]
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: Hill Valley railroad line
Triple: [Hill Valley Train Station, hasFictionalRailroad, Hill Valley railroad line]
Generated description
The Hill Valley railroad line is a fictional train route featured in the Back to the Future film series, serving the town of Hill Valley across different time periods.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: hasFictionalRailroad
Context triple: [Hill Valley Train Station, hasFictionalRailroad, Hill Valley railroad line]
  • A. hasFictionalTransportLink chosen
    Indicates that there is a transportation connection between entities that exists only in a fictional or imagined context.
  • B. hasFictionalUndergroundStation
    Indicates that an entity features or includes a subway/metro station that exists only in fiction rather than in the real world.
  • C. hasFictionalTubeStation
    Indicates that an entity features or is associated with a tube (subway) station that exists only in fiction rather than in reality.
  • D. relatedRailroad
    Indicates that there is an association or connection between an entity and a specific railroad, such as ownership, operation, service, or historical linkage.
  • E. hasRailSystem
    Indicates that an entity possesses or is served by a rail-based transportation system.
  • 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_69ef840f12408190b539d00d79658abf completed April 27, 2026, 3:43 p.m.
NER Named-entity recognition batch_69fcab6e888881908ca9e18660928a40 completed May 7, 2026, 3:10 p.m.
NED1 Entity disambiguation (via context triple) batch_6a12f7493ae4819093364458855b92d3 completed May 24, 2026, 1:04 p.m.
NEDg Description generation batch_6a12f7d3b7048190ae5778d0d22bfd77 completed May 24, 2026, 1:06 p.m.
NED2 Entity disambiguation (via description) batch_6a12fbaac4c8819080293672dd321aa9 completed May 24, 2026, 1:22 p.m.
PD Predicate disambiguation batch_69fc4562a5b88190bad48f083a6dcdfa completed May 7, 2026, 7:55 a.m.
Created at: April 27, 2026, 6:22 p.m.