Triple

T6496278
Position Surface form Disambiguated ID Type / Status
Subject Poway E148167 entity
Predicate hasAttraction P105 FINISHED
Object Poway–Midland Railroad
Poway–Midland Railroad is a heritage railway in Poway, California, offering historic train rides with restored vintage locomotives and cars.
E597770 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: Poway–Midland Railroad | Statement: [Poway, hasAttraction, Poway–Midland Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Poway–Midland Railroad
Context triple: [Poway, hasAttraction, Poway–Midland Railroad]
  • A. Alloway and Quinton Railroad
    The Alloway and Quinton Railroad was a small regional rail line in southern New Jersey that later became part of the larger West Jersey and Seashore Railroad system.
  • B. Culver Line
    The Culver Line is a New York City Subway route in Brooklyn that primarily carries F trains between central Brooklyn neighborhoods and Manhattan via an elevated and underground corridor.
  • C. Wallkill Valley Railroad
    The Wallkill Valley Railroad was a historic rail line in New York’s Hudson Valley that played a key role in the region’s 19th- and early 20th-century transportation and industrial development.
  • D. South Side Railroad
    South Side Railroad was a key 19th-century rail line in Virginia that linked the strategic transportation hub of Petersburg with Richmond and other points west, playing an important role in regional commerce and Civil War logistics.
  • E. Rutland Railroad
    The Rutland Railroad was a regional railroad in the northeastern United States that primarily served Vermont and parts of New York, playing a key role in the area's freight and passenger transportation during the late 19th and early 20th centuries.
  • 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: Poway–Midland Railroad
Triple: [Poway, hasAttraction, Poway–Midland Railroad]
Generated description
Poway–Midland Railroad is a heritage railway in Poway, California, offering historic train rides with restored vintage locomotives and cars.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Poway–Midland Railroad
Target entity description: Poway–Midland Railroad is a heritage railway in Poway, California, offering historic train rides with restored vintage locomotives and cars.
  • A. Alloway and Quinton Railroad
    The Alloway and Quinton Railroad was a small regional rail line in southern New Jersey that later became part of the larger West Jersey and Seashore Railroad system.
  • B. Culver Line
    The Culver Line is a New York City Subway route in Brooklyn that primarily carries F trains between central Brooklyn neighborhoods and Manhattan via an elevated and underground corridor.
  • C. Wallkill Valley Railroad
    The Wallkill Valley Railroad was a historic rail line in New York’s Hudson Valley that played a key role in the region’s 19th- and early 20th-century transportation and industrial development.
  • D. South Side Railroad
    South Side Railroad was a key 19th-century rail line in Virginia that linked the strategic transportation hub of Petersburg with Richmond and other points west, playing an important role in regional commerce and Civil War logistics.
  • E. Rutland Railroad
    The Rutland Railroad was a regional railroad in the northeastern United States that primarily served Vermont and parts of New York, playing a key role in the area's freight and passenger transportation during the late 19th and early 20th centuries.
  • 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_69c009088f3081909cd467b05919de30 completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c06aba8f04819080b291baf79c42d5 completed March 22, 2026, 10:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69c65fdf59548190b4ba4f44716e6b3c completed March 27, 2026, 10:45 a.m.
NEDg Description generation batch_69c660ae1ae48190941b4e0fc1fa6bea completed March 27, 2026, 10:49 a.m.
NED2 Entity disambiguation (via description) batch_69c6615b639c8190af0073368e55ab8d completed March 27, 2026, 10:52 a.m.
Created at: March 22, 2026, 4:53 p.m.