Triple

T7126153
Position Surface form Disambiguated ID Type / Status
Subject MBTA Green Line B branch E166066 entity
Predicate hasStop P17789 FINISHED
Object Warren Street station
Warren Street station is a light rail stop in Boston, Massachusetts, serving the MBTA Green Line B branch along Commonwealth Avenue.
 E645353 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: Warren Street station | Statement: [MBTA Green Line B branch, hasStop, Warren Street station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Warren Street station
Context triple: [MBTA Green Line B branch, hasStop, Warren Street station]
  • A. Swan Street station
    Swan Street station was the original name of what is now Richmond railway station, a key suburban rail hub in Melbourne, Australia.
  • B. Essex Street station
    Essex Street station is a New Jersey Transit commuter rail stop in Hackensack, New Jersey, serving passengers on the Pascack Valley Line.
  • C. Glen Street station
    Glen Street station is a Long Island Rail Road commuter rail stop in Glen Cove, New York, providing service on the Oyster Bay Branch.
  • D. Queens Road station
    Queens Road station was the original name of what is now Queensway Underground station on the Central line of the London Underground.
  • E. Court Street station
    Court Street station is a former New York City Subway station in Brooklyn that once served as the Brooklyn terminal for trains using the Montague Street Tunnel and now houses the New York Transit Museum.
  • 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: Warren Street station
Triple: [MBTA Green Line B branch, hasStop, Warren Street station]
Generated description
Warren Street station is a light rail stop in Boston, Massachusetts, serving the MBTA Green Line B branch along Commonwealth Avenue.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Warren Street station
Target entity description: Warren Street station is a light rail stop in Boston, Massachusetts, serving the MBTA Green Line B branch along Commonwealth Avenue.
  • A. Swan Street station
    Swan Street station was the original name of what is now Richmond railway station, a key suburban rail hub in Melbourne, Australia.
  • B. Essex Street station
    Essex Street station is a New Jersey Transit commuter rail stop in Hackensack, New Jersey, serving passengers on the Pascack Valley Line.
  • C. Glen Street station
    Glen Street station is a Long Island Rail Road commuter rail stop in Glen Cove, New York, providing service on the Oyster Bay Branch.
  • D. Queens Road station
    Queens Road station was the original name of what is now Queensway Underground station on the Central line of the London Underground.
  • E. Court Street station
    Court Street station is a former New York City Subway station in Brooklyn that once served as the Brooklyn terminal for trains using the Montague Street Tunnel and now houses the New York Transit Museum.
  • 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_69c6888350588190870cd552b427a1cd completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e64d99888190a93c1822e19b5457 completed March 27, 2026, 8:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7ad8d00848190a5a4b9b64b3426e7 completed March 28, 2026, 10:29 a.m.
NEDg Description generation batch_69c7ae0bcfa4819099249fa403bed288 completed March 28, 2026, 10:31 a.m.
NED2 Entity disambiguation (via description) batch_69c7ae9f8f648190adc5cdf08bc01d93 completed March 28, 2026, 10:34 a.m.
Created at: March 27, 2026, 2:44 p.m.