Triple

T15129429
Position Surface form Disambiguated ID Type / Status
Subject Perkiomen Trail E361377 entity
Predicate railroadPredecessor P14629 FINISHED
Object Perkiomen Railroad
Perkiomen Railroad was a historic rail line in southeastern Pennsylvania that later became the basis for the modern Perkiomen Trail.
E1139076 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: Perkiomen Railroad | Statement: [Perkiomen Trail, railroadPredecessor, Perkiomen Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Perkiomen Railroad
Context triple: [Perkiomen Trail, railroadPredecessor, Perkiomen Railroad]
  • A. 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.
  • B. Chesterfield Railroad
    The Chesterfield Railroad was one of the earliest commercial railroads in the United States, built in the 1830s to transport coal from the mines around present-day Midlothian, Virginia, to the James River.
  • C. Spruce Railroad
    Spruce Railroad was a historic logging railway on Washington’s Olympic Peninsula, originally built during World War I to transport spruce timber for military aircraft production.
  • D. New York and Putnam Railroad
    The New York and Putnam Railroad was a historic rail line in New York State that once connected New York City to communities in Westchester and Putnam counties before its route was later converted into recreational trails.
  • E. Nicholas Railway
    Nicholas Railway was the original name of the major 19th-century rail line connecting Russia’s two principal cities, Moscow and Saint Petersburg.
  • 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: Perkiomen Railroad
Triple: [Perkiomen Trail, railroadPredecessor, Perkiomen Railroad]
Generated description
Perkiomen Railroad was a historic rail line in southeastern Pennsylvania that later became the basis for the modern Perkiomen Trail.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Perkiomen Railroad
Target entity description: Perkiomen Railroad was a historic rail line in southeastern Pennsylvania that later became the basis for the modern Perkiomen Trail.
  • A. 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.
  • B. Chesterfield Railroad
    The Chesterfield Railroad was one of the earliest commercial railroads in the United States, built in the 1830s to transport coal from the mines around present-day Midlothian, Virginia, to the James River.
  • C. Spruce Railroad
    Spruce Railroad was a historic logging railway on Washington’s Olympic Peninsula, originally built during World War I to transport spruce timber for military aircraft production.
  • D. New York and Putnam Railroad
    The New York and Putnam Railroad was a historic rail line in New York State that once connected New York City to communities in Westchester and Putnam counties before its route was later converted into recreational trails.
  • E. Nicholas Railway
    Nicholas Railway was the original name of the major 19th-century rail line connecting Russia’s two principal cities, Moscow and Saint Petersburg.
  • 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_69d85a06450081909c5a14ea9851a15e completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e005aff2648190bda885c09421758d completed April 15, 2026, 9:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69feb7fa449c8190aed8941168b063c3 completed May 9, 2026, 4:28 a.m.
NEDg Description generation batch_69febbfb58608190830eca7f9a78fc9c completed May 9, 2026, 4:45 a.m.
NED2 Entity disambiguation (via description) batch_69febc842a7081908a85ba2833212650 completed May 9, 2026, 4:48 a.m.
Created at: April 10, 2026, 3:06 a.m.