Triple

T5814005
Position Surface form Disambiguated ID Type / Status
Subject Brooklyn Rapid Transit Company E128938 entity
Predicate controlled P4700 FINISHED
Object Sea Beach Railway
The Sea Beach Railway was a historic Brooklyn rail line that evolved into a key rapid transit route to Coney Island, later integrated into New York City's subway system.
E546603 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: Sea Beach Railway | Statement: [Brooklyn Rapid Transit Company, controlled, Sea Beach Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Sea Beach Railway
Context triple: [Brooklyn Rapid Transit Company, controlled, Sea Beach Railway]
  • A. Coast Line
    Coast Line was a major Southern Pacific Railroad route running along California’s Pacific coast, connecting key cities such as Los Angeles and San Francisco.
  • B. Chesapeake Beach Railway
    The Chesapeake Beach Railway was a historic early 20th-century rail line that carried passengers from Washington, D.C., to the resort town of Chesapeake Beach, Maryland, promoting seaside tourism along the Western Shore of the Chesapeake Bay.
  • C. Mass Coastal Railroad
    Mass Coastal Railroad is a shortline freight railroad operating in southeastern Massachusetts, serving local industries and connecting them to the national rail network.
  • D. Oregon Coast Scenic Railroad
    The Oregon Coast Scenic Railroad is a heritage railway offering scenic excursions along the Oregon coast using historic steam and diesel locomotives.
  • E. Marshlink Line
    The Marshlink Line is a regional railway route in Southeast England that runs across the Romney Marsh, connecting Ashford International with Hastings and serving several rural communities.
  • 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: Sea Beach Railway
Triple: [Brooklyn Rapid Transit Company, controlled, Sea Beach Railway]
Generated description
The Sea Beach Railway was a historic Brooklyn rail line that evolved into a key rapid transit route to Coney Island, later integrated into New York City's subway system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Sea Beach Railway
Target entity description: The Sea Beach Railway was a historic Brooklyn rail line that evolved into a key rapid transit route to Coney Island, later integrated into New York City's subway system.
  • A. Coast Line
    Coast Line was a major Southern Pacific Railroad route running along California’s Pacific coast, connecting key cities such as Los Angeles and San Francisco.
  • B. Chesapeake Beach Railway
    The Chesapeake Beach Railway was a historic early 20th-century rail line that carried passengers from Washington, D.C., to the resort town of Chesapeake Beach, Maryland, promoting seaside tourism along the Western Shore of the Chesapeake Bay.
  • C. Mass Coastal Railroad
    Mass Coastal Railroad is a shortline freight railroad operating in southeastern Massachusetts, serving local industries and connecting them to the national rail network.
  • D. Oregon Coast Scenic Railroad
    The Oregon Coast Scenic Railroad is a heritage railway offering scenic excursions along the Oregon coast using historic steam and diesel locomotives.
  • E. Marshlink Line
    The Marshlink Line is a regional railway route in Southeast England that runs across the Romney Marsh, connecting Ashford International with Hastings and serving several rural communities.
  • 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_69c0084788848190bcf71f6bc5d71597 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c03361c79081908baf872821e79983 completed March 22, 2026, 6:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69c09848dd148190aeea1b1d454b8da5 completed March 23, 2026, 1:32 a.m.
NEDg Description generation batch_69c098bbc9248190820ca3e66026ae4b completed March 23, 2026, 1:34 a.m.
NED2 Entity disambiguation (via description) batch_69c09943deec819085992c4e44050a34 completed March 23, 2026, 1:37 a.m.
Created at: March 22, 2026, 3:52 p.m.