Triple

T2922051
Position Surface form Disambiguated ID Type / Status
Subject State station E78748 entity
Predicate formerName P65 FINISHED
Object Milk Street (elevated station)
Milk Street (elevated station) was a former elevated rapid transit stop in Boston, Massachusetts, that once served the city’s early urban rail network.
 E309153 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: Milk Street (elevated station) | Statement: [State station, formerName, Milk Street (elevated station)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Milk Street (elevated station)
Context triple: [State station, formerName, Milk Street (elevated station)]
  • A. Crescent Street station
    Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
  • B. Branch Avenue station
    Branch Avenue station is a Washington Metro rail station in Maryland that serves as the southern terminus of the system’s Green Line.
  • C. Heath Street station
    Heath Street station is the southern terminus of the MBTA Green Line E branch, serving Boston’s Mission Hill neighborhood with light rail service.
  • D. Green Street station
    Green Street station is a rapid transit stop on Boston's MBTA Orange Line located in the Jamaica Plain neighborhood.
  • E. Washington Street station
    Washington Street station is a stop on the Newark Light Rail system serving passengers in downtown Newark, New Jersey.
  • 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: Milk Street (elevated station)
Triple: [State station, formerName, Milk Street (elevated station)]
Generated description
Milk Street (elevated station) was a former elevated rapid transit stop in Boston, Massachusetts, that once served the city’s early urban rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Milk Street (elevated station)
Target entity description: Milk Street (elevated station) was a former elevated rapid transit stop in Boston, Massachusetts, that once served the city’s early urban rail network.
  • A. Crescent Street station
    Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
  • B. Branch Avenue station
    Branch Avenue station is a Washington Metro rail station in Maryland that serves as the southern terminus of the system’s Green Line.
  • C. Heath Street station
    Heath Street station is the southern terminus of the MBTA Green Line E branch, serving Boston’s Mission Hill neighborhood with light rail service.
  • D. Green Street station
    Green Street station is a rapid transit stop on Boston's MBTA Orange Line located in the Jamaica Plain neighborhood.
  • E. Washington Street station
    Washington Street station is a stop on the Newark Light Rail system serving passengers in downtown Newark, New Jersey.
  • 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_69ad8b0c2ad081909ff87050ae542bb9 completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69ad97bbcc7081908a79053be35ca02e completed March 8, 2026, 3:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69b056344ca48190b4d14dd2c1ac643d completed March 10, 2026, 5:34 p.m.
NEDg Description generation batch_69b05b30b1dc819085fdf1c7ad14f13e completed March 10, 2026, 5:56 p.m.
NED2 Entity disambiguation (via description) batch_69b05c43b08481908ae7cbd23f0b8a93 completed March 10, 2026, 6 p.m.
Created at: March 8, 2026, 2:54 p.m.