Triple

T6041858
Position Surface form Disambiguated ID Type / Status
Subject IRT Lexington Avenue Line trunk in Manhattan E134563 entity
Predicate connectsWith P37 FINISHED
Object BMT Broadway Line at Union Square–14th Street
The BMT Broadway Line at Union Square–14th Street is a major New York City Subway station complex in Manhattan that serves Broadway Line trains and provides extensive transfers to multiple other lines.
E566515 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: BMT Broadway Line at Union Square–14th Street | Statement: [IRT Lexington Avenue Line trunk in Manhattan, connectsWith, BMT Broadway Line at Union Square–14th Street]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: BMT Broadway Line at Union Square–14th Street
Context triple: [IRT Lexington Avenue Line trunk in Manhattan, connectsWith, BMT Broadway Line at Union Square–14th Street]
  • A. Broadway (Astoria Line)
    Broadway is a local New York City Subway station in Astoria, Queens, served by the N and W trains on the BMT Astoria Line.
  • B. 34th Street–Penn Station (Seventh Avenue Line)
    34th Street–Penn Station (Seventh Avenue Line) is a major New York City Subway station on the IRT Broadway–Seventh Avenue Line serving the busy Penn Station transit hub in Midtown Manhattan.
  • C. 34th Street–Penn Station (Eighth Avenue Line)
    34th Street–Penn Station (Eighth Avenue Line) is a major New York City Subway station complex in Midtown Manhattan providing underground access to Penn Station and serving as a key transit hub for multiple subway lines.
  • D. 34th Street–Herald Square station
    34th Street–Herald Square station is a major New York City subway hub in Midtown Manhattan that serves multiple lines and provides access to nearby shopping, business, and cultural districts.
  • E. Wall Street (IRT Lexington Avenue Line)
    Wall Street (IRT Lexington Avenue Line) is a major New York City Subway station in Lower Manhattan serving the Financial District on the Lexington Avenue Line.
  • 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: BMT Broadway Line at Union Square–14th Street
Triple: [IRT Lexington Avenue Line trunk in Manhattan, connectsWith, BMT Broadway Line at Union Square–14th Street]
Generated description
The BMT Broadway Line at Union Square–14th Street is a major New York City Subway station complex in Manhattan that serves Broadway Line trains and provides extensive transfers to multiple other lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: BMT Broadway Line at Union Square–14th Street
Target entity description: The BMT Broadway Line at Union Square–14th Street is a major New York City Subway station complex in Manhattan that serves Broadway Line trains and provides extensive transfers to multiple other lines.
  • A. Broadway (Astoria Line)
    Broadway is a local New York City Subway station in Astoria, Queens, served by the N and W trains on the BMT Astoria Line.
  • B. 34th Street–Penn Station (Seventh Avenue Line)
    34th Street–Penn Station (Seventh Avenue Line) is a major New York City Subway station on the IRT Broadway–Seventh Avenue Line serving the busy Penn Station transit hub in Midtown Manhattan.
  • C. 34th Street–Penn Station (Eighth Avenue Line)
    34th Street–Penn Station (Eighth Avenue Line) is a major New York City Subway station complex in Midtown Manhattan providing underground access to Penn Station and serving as a key transit hub for multiple subway lines.
  • D. 34th Street–Herald Square station
    34th Street–Herald Square station is a major New York City subway hub in Midtown Manhattan that serves multiple lines and provides access to nearby shopping, business, and cultural districts.
  • E. Wall Street (IRT Lexington Avenue Line)
    Wall Street (IRT Lexington Avenue Line) is a major New York City Subway station in Lower Manhattan serving the Financial District on the Lexington Avenue Line.
  • 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_69c00875db5c819099dd5bb833ec43c2 completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c056d11370819096ac35349bd91f4e completed March 22, 2026, 8:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69c11cfbb4cc81909736d5d041dd0b23 completed March 23, 2026, 10:59 a.m.
NEDg Description generation batch_69c11e89c75481908381df126a7b1661 completed March 23, 2026, 11:05 a.m.
NED2 Entity disambiguation (via description) batch_69c11ef6971c8190b8dde5568b330b41 completed March 23, 2026, 11:07 a.m.
Created at: March 22, 2026, 4:08 p.m.