Triple

T5022307
Position Surface form Disambiguated ID Type / Status
Subject Poughkeepsie Railroad Bridge E112880 entity
Predicate railLineCarried P51670 FINISHED
Object New Haven–Pennsylvania Railroad freight route
The New Haven–Pennsylvania Railroad freight route was a key northeastern U.S. rail corridor used primarily for heavy freight traffic between the New York, New England, and Mid-Atlantic regions.
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: New Haven–Pennsylvania Railroad freight route | Statement: [Poughkeepsie Railroad Bridge, railLineCarried, New Haven–Pennsylvania Railroad freight route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: New Haven–Pennsylvania Railroad freight route
Context triple: [Poughkeepsie Railroad Bridge, railLineCarried, New Haven–Pennsylvania Railroad freight route]
  • A. Panhandle Route of the Pennsylvania Railroad
    The Panhandle Route of the Pennsylvania Railroad was a major historic rail line that connected Pittsburgh with the American Midwest, serving as an important freight and passenger corridor in the 19th and early 20th centuries.
  • B. 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.
  • C. New Haven–Springfield Line
    The New Haven–Springfield Line is a key passenger rail corridor in the northeastern United States connecting New Haven, Connecticut, with Springfield, Massachusetts, and serving both intercity and commuter rail services.
  • D. Winslow Junction–Atlantic City route
    The Winslow Junction–Atlantic City route is a rail line in southern New Jersey that connects the inland junction at Winslow with the coastal resort city of Atlantic City.
  • E. Hartford and New Haven Railroad
    The Hartford and New Haven Railroad was a 19th-century rail line in Connecticut that later became part of the larger New York, New Haven and Hartford Railroad system.
  • 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: New Haven–Pennsylvania Railroad freight route
Triple: [Poughkeepsie Railroad Bridge, railLineCarried, New Haven–Pennsylvania Railroad freight route]
Generated description
The New Haven–Pennsylvania Railroad freight route was a key northeastern U.S. rail corridor used primarily for heavy freight traffic between the New York, New England, and Mid-Atlantic regions.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: New Haven–Pennsylvania Railroad freight route
Target entity description: The New Haven–Pennsylvania Railroad freight route was a key northeastern U.S. rail corridor used primarily for heavy freight traffic between the New York, New England, and Mid-Atlantic regions.
  • A. Panhandle Route of the Pennsylvania Railroad
    The Panhandle Route of the Pennsylvania Railroad was a major historic rail line that connected Pittsburgh with the American Midwest, serving as an important freight and passenger corridor in the 19th and early 20th centuries.
  • B. 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.
  • C. New Haven–Springfield Line
    The New Haven–Springfield Line is a key passenger rail corridor in the northeastern United States connecting New Haven, Connecticut, with Springfield, Massachusetts, and serving both intercity and commuter rail services.
  • D. Winslow Junction–Atlantic City route
    The Winslow Junction–Atlantic City route is a rail line in southern New Jersey that connects the inland junction at Winslow with the coastal resort city of Atlantic City.
  • E. Hartford and New Haven Railroad
    The Hartford and New Haven Railroad was a 19th-century rail line in Connecticut that later became part of the larger New York, New Haven and Hartford Railroad system.
  • 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_69bd4435c2f48190be593158cbfcf8a3 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd77c9fc7c8190b165a5cfd5889ba8 completed March 20, 2026, 4:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69be9282e2b08190abfa2c3e450957d4 completed March 21, 2026, 12:43 p.m.
NEDg Description generation batch_69be94965c4c8190b91be72f483d4b29 completed March 21, 2026, 12:52 p.m.
NED2 Entity disambiguation (via description) batch_69be9527906481909d6a42a262a67c31 completed March 21, 2026, 12:55 p.m.
Created at: March 20, 2026, 1:36 p.m.