Triple

T4931329
Position Surface form Disambiguated ID Type / Status
Subject Ivy Ridge E110701 entity
Predicate locatedOn P40 FINISHED
Object former Pennsylvania Railroad Schuylkill Branch
The former Pennsylvania Railroad Schuylkill Branch was a rail line that ran along the Schuylkill River in the Philadelphia region, historically serving both passenger and freight traffic before its decline and partial abandonment.
E77222 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: former Pennsylvania Railroad Schuylkill Branch | Statement: [Ivy Ridge, locatedOn, former Pennsylvania Railroad Schuylkill Branch]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: former Pennsylvania Railroad Schuylkill Branch
Context triple: [Ivy Ridge, locatedOn, former Pennsylvania Railroad Schuylkill Branch]
  • A. Philadelphia, Germantown and Norristown Railroad
    The Philadelphia, Germantown and Norristown Railroad was one of the earliest railroads in the United States, serving the Philadelphia area and later becoming part of the Pennsylvania Railroad system.
  • B. Philadelphia and Western Railroad
    The Philadelphia and Western Railroad was an early 20th-century interurban railway in the Philadelphia region that later evolved into what is now known as the Norristown High Speed Line.
  • C. Pennsylvania Railroad Lines East
    Pennsylvania Railroad Lines East was the eastern operating division of the Pennsylvania Railroad, managing its passenger and freight services across key routes in the northeastern United States.
  • D. Lehigh Valley Railroad
    Lehigh Valley Railroad was a major northeastern U.S. railroad that primarily served the anthracite coal region of Pennsylvania and connected it to key industrial and port cities.
  • E. Cumberland Valley Railroad
    The Cumberland Valley Railroad was a historic American railroad that operated primarily in south-central Pennsylvania and northern Maryland, playing a key role in regional transportation during the 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: former Pennsylvania Railroad Schuylkill Branch
Triple: [Ivy Ridge, locatedOn, former Pennsylvania Railroad Schuylkill Branch]
Generated description
The former Pennsylvania Railroad Schuylkill Branch was a rail line that ran along the Schuylkill River in the Philadelphia region, historically serving both passenger and freight traffic before its decline and partial abandonment.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: former Pennsylvania Railroad Schuylkill Branch
Target entity description: The former Pennsylvania Railroad Schuylkill Branch was a rail line that ran along the Schuylkill River in the Philadelphia region, historically serving both passenger and freight traffic before its decline and partial abandonment.
  • A. Philadelphia, Germantown and Norristown Railroad
    The Philadelphia, Germantown and Norristown Railroad was one of the earliest railroads in the United States, serving the Philadelphia area and later becoming part of the Pennsylvania Railroad system.
  • B. Philadelphia and Western Railroad
    The Philadelphia and Western Railroad was an early 20th-century interurban railway in the Philadelphia region that later evolved into what is now known as the Norristown High Speed Line.
  • C. Pennsylvania Railroad Lines East chosen
    Pennsylvania Railroad Lines East was the eastern operating division of the Pennsylvania Railroad, managing its passenger and freight services across key routes in the northeastern United States.
  • D. Lehigh Valley Railroad
    Lehigh Valley Railroad was a major northeastern U.S. railroad that primarily served the anthracite coal region of Pennsylvania and connected it to key industrial and port cities.
  • E. Cumberland Valley Railroad
    The Cumberland Valley Railroad was a historic American railroad that operated primarily in south-central Pennsylvania and northern Maryland, playing a key role in regional transportation during the 19th and early 20th centuries.
  • F. None of above.

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_69bd4415190c8190817bee7ec9f9f944 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd706245e48190a61d573438461c30 completed March 20, 2026, 4:05 p.m.
NED1 Entity disambiguation (via context triple) batch_69be77b18b6c8190bbc8d0764f6a03bf completed March 21, 2026, 10:49 a.m.
NEDg Description generation batch_69be78ce97948190a0a54b1baa0ff979 completed March 21, 2026, 10:54 a.m.
NED2 Entity disambiguation (via description) batch_69be7929cec08190a6fb28385c5bfce9 completed March 21, 2026, 10:55 a.m.
Created at: March 20, 2026, 1:30 p.m.