Triple

T15582590
Position Surface form Disambiguated ID Type / Status
Subject Pennsylvania Railroad freight cars E374536 entity
Predicate usedOn P2367 FINISHED
Object Pennsylvania Railroad Buffalo Line
The Pennsylvania Railroad Buffalo Line was a key freight rail route in the northeastern United States that connected Buffalo, New York, with other major points on the Pennsylvania Railroad system.
E1166247 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: Pennsylvania Railroad Buffalo Line | Statement: [Pennsylvania Railroad freight cars, usedOn, Pennsylvania Railroad Buffalo Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pennsylvania Railroad Buffalo Line
Context triple: [Pennsylvania Railroad freight cars, usedOn, Pennsylvania Railroad Buffalo Line]
  • A. New York, Susquehanna and Western Railway
    The New York, Susquehanna and Western Railway is a regional freight railroad operating primarily in New York, New Jersey, and Pennsylvania, known for serving as a key transportation link in the northeastern United States.
  • B. Pennsylvania Railroad Schuylkill Branch
    The Pennsylvania Railroad Schuylkill Branch was a former rail line running along the Schuylkill River in the Philadelphia region, historically used for both passenger and freight service and later partly incorporated into modern commuter rail operations.
  • C. Sunbury and Erie Railroad
    The Sunbury and Erie Railroad was a 19th-century Pennsylvania rail line that later became part of the Northern Central Railway system.
  • 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. Delaware, Lackawanna and Western Railroad
    The Delaware, Lackawanna and Western Railroad was a major northeastern U.S. railroad known for its anthracite coal traffic and passenger services, which later became part of the Erie Lackawanna Railway.
  • 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: Pennsylvania Railroad Buffalo Line
Triple: [Pennsylvania Railroad freight cars, usedOn, Pennsylvania Railroad Buffalo Line]
Generated description
The Pennsylvania Railroad Buffalo Line was a key freight rail route in the northeastern United States that connected Buffalo, New York, with other major points on the Pennsylvania Railroad system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Pennsylvania Railroad Buffalo Line
Target entity description: The Pennsylvania Railroad Buffalo Line was a key freight rail route in the northeastern United States that connected Buffalo, New York, with other major points on the Pennsylvania Railroad system.
  • A. New York, Susquehanna and Western Railway
    The New York, Susquehanna and Western Railway is a regional freight railroad operating primarily in New York, New Jersey, and Pennsylvania, known for serving as a key transportation link in the northeastern United States.
  • B. Pennsylvania Railroad Schuylkill Branch
    The Pennsylvania Railroad Schuylkill Branch was a former rail line running along the Schuylkill River in the Philadelphia region, historically used for both passenger and freight service and later partly incorporated into modern commuter rail operations.
  • C. Sunbury and Erie Railroad
    The Sunbury and Erie Railroad was a 19th-century Pennsylvania rail line that later became part of the Northern Central Railway system.
  • 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. Delaware, Lackawanna and Western Railroad
    The Delaware, Lackawanna and Western Railroad was a major northeastern U.S. railroad known for its anthracite coal traffic and passenger services, which later became part of the Erie Lackawanna Railway.
  • 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_69d85ccd575081908909b71a3f3e3a61 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e04e45ee3c8190a6aee06a5805ca39 completed April 16, 2026, 2:49 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff56c3efb48190ad94d9d326c6c2c0 completed May 9, 2026, 3:46 p.m.
NEDg Description generation batch_69ff578dc9dc8190ae0b1abcd74a6346 completed May 9, 2026, 3:49 p.m.
NED2 Entity disambiguation (via description) batch_69ff586ce89081909ebc1779bb9c4221 completed May 9, 2026, 3:53 p.m.
Created at: April 10, 2026, 4:11 a.m.