Triple

T7074895
Position Surface form Disambiguated ID Type / Status
Subject 34th Street–Hudson Yards E164790 entity
Predicate partOfProject P10 FINISHED
Object 7 Subway Extension
The 7 Subway Extension is a New York City transit project that extended the IRT Flushing Line (7 train) westward to serve the Hudson Yards redevelopment area on Manhattan’s Far West Side.
E639825 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: 7 Subway Extension | Statement: [34th Street–Hudson Yards, partOfProject, 7 Subway Extension]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 7 Subway Extension
Context triple: [34th Street–Hudson Yards, partOfProject, 7 Subway Extension]
  • A. Eidan Subway
    Eidan Subway was the former name of Tokyo’s main rapid transit system, operated by the Teito Rapid Transit Authority before it became Tokyo Metro.
  • B. Second Avenue Subway
    The Second Avenue Subway is a New York City Subway line on Manhattan’s East Side, built to relieve congestion on the Lexington Avenue Line and long envisioned as a major north–south transit corridor.
  • C. Union subway station
    Union subway station is a major Toronto Transit Commission (TTC) rapid transit station in downtown Toronto that serves as a key interchange between subway lines and regional rail services.
  • D. Sheppard subway
    Sheppard subway is a Toronto Transit Commission rapid transit line in North York that runs east–west along Sheppard Avenue.
  • E. IRT Nostrand Avenue Line extension
    The IRT Nostrand Avenue Line extension was a New York City Subway expansion project that extended service deeper into Brooklyn along Nostrand Avenue beyond its original terminus.
  • 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: 7 Subway Extension
Triple: [34th Street–Hudson Yards, partOfProject, 7 Subway Extension]
Generated description
The 7 Subway Extension is a New York City transit project that extended the IRT Flushing Line (7 train) westward to serve the Hudson Yards redevelopment area on Manhattan’s Far West Side.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 7 Subway Extension
Target entity description: The 7 Subway Extension is a New York City transit project that extended the IRT Flushing Line (7 train) westward to serve the Hudson Yards redevelopment area on Manhattan’s Far West Side.
  • A. Eidan Subway
    Eidan Subway was the former name of Tokyo’s main rapid transit system, operated by the Teito Rapid Transit Authority before it became Tokyo Metro.
  • B. Second Avenue Subway
    The Second Avenue Subway is a New York City Subway line on Manhattan’s East Side, built to relieve congestion on the Lexington Avenue Line and long envisioned as a major north–south transit corridor.
  • C. Union subway station
    Union subway station is a major Toronto Transit Commission (TTC) rapid transit station in downtown Toronto that serves as a key interchange between subway lines and regional rail services.
  • D. Sheppard subway
    Sheppard subway is a Toronto Transit Commission rapid transit line in North York that runs east–west along Sheppard Avenue.
  • E. IRT Nostrand Avenue Line extension
    The IRT Nostrand Avenue Line extension was a New York City Subway expansion project that extended service deeper into Brooklyn along Nostrand Avenue beyond its original terminus.
  • 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_69c6887cbc6c8190bdfac42d940f4d8a completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e4ce3d3c81908cbb912b256aadbf completed March 27, 2026, 8:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69c794641dd481908df979600b7a8e92 completed March 28, 2026, 8:42 a.m.
NEDg Description generation batch_69c7950271a48190b6e0c3f307ebdc5a completed March 28, 2026, 8:44 a.m.
NED2 Entity disambiguation (via description) batch_69c7957439b8819081fb2721bbd8b65c completed March 28, 2026, 8:46 a.m.
Created at: March 27, 2026, 2:40 p.m.