Triple

T10070222
Position Surface form Disambiguated ID Type / Status
Subject Cleveland Circle E213601 entity
Predicate hasNearbyStation P5648 FINISHED
Object Reservoir station (MBTA Green Line D branch)
Reservoir station is an MBTA Green Line D branch light rail stop in Brookline, Massachusetts, serving as a key transfer point near Cleveland Circle.
 E839641 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: Reservoir station (MBTA Green Line D branch) | Statement: [Cleveland Circle, hasNearbyStation, Reservoir station (MBTA Green Line D branch)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Reservoir station (MBTA Green Line D branch)
Context triple: [Cleveland Circle, hasNearbyStation, Reservoir station (MBTA Green Line D branch)]
  • A. Aquarium station (MBTA Blue Line)
    Aquarium station (MBTA Blue Line) is an underground Massachusetts Bay Transportation Authority subway station in downtown Boston serving the Blue Line near the city’s waterfront and tourist attractions.
  • B. Chestnut Hill station (MBTA Green Line D)
    Chestnut Hill station is a light rail stop on Boston’s MBTA Green Line D branch serving the Chestnut Hill neighborhood with access to nearby residential and commercial areas.
  • C. Blue Line station (MBTA)
    Blue Line station (MBTA) is a rapid transit stop on Boston’s MBTA Blue Line serving the Beachmont area of Revere, Massachusetts.
  • D. Kedzie station (Green Line)
    Kedzie station (Green Line) is an elevated Chicago 'L' rapid transit station located in the East Garfield Park neighborhood on the city's West Side.
  • E. Garfield station (Green Line)
    Garfield station (Green Line) is an elevated Chicago 'L' rapid transit station located in the Washington Park neighborhood on the city's South Side.
  • 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: Reservoir station (MBTA Green Line D branch)
Triple: [Cleveland Circle, hasNearbyStation, Reservoir station (MBTA Green Line D branch)]
Generated description
Reservoir station is an MBTA Green Line D branch light rail stop in Brookline, Massachusetts, serving as a key transfer point near Cleveland Circle.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Reservoir station (MBTA Green Line D branch)
Target entity description: Reservoir station is an MBTA Green Line D branch light rail stop in Brookline, Massachusetts, serving as a key transfer point near Cleveland Circle.
  • A. Aquarium station (MBTA Blue Line)
    Aquarium station (MBTA Blue Line) is an underground Massachusetts Bay Transportation Authority subway station in downtown Boston serving the Blue Line near the city’s waterfront and tourist attractions.
  • B. Chestnut Hill station (MBTA Green Line D)
    Chestnut Hill station is a light rail stop on Boston’s MBTA Green Line D branch serving the Chestnut Hill neighborhood with access to nearby residential and commercial areas.
  • C. Blue Line station (MBTA)
    Blue Line station (MBTA) is a rapid transit stop on Boston’s MBTA Blue Line serving the Beachmont area of Revere, Massachusetts.
  • D. Kedzie station (Green Line)
    Kedzie station (Green Line) is an elevated Chicago 'L' rapid transit station located in the East Garfield Park neighborhood on the city's West Side.
  • E. Garfield station (Green Line)
    Garfield station (Green Line) is an elevated Chicago 'L' rapid transit station located in the Washington Park neighborhood on the city's South Side.
  • 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_69ca839add308190b57d53b4ec21f2d0 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cdcffa045c8190a08db0bb74cb006a completed April 2, 2026, 2:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69d29aa05cc881909f59178e9c6c01ef completed April 5, 2026, 5:23 p.m.
NEDg Description generation batch_69d29b75634c819088c8ef750b1691d2 completed April 5, 2026, 5:27 p.m.
NED2 Entity disambiguation (via description) batch_69d29f5007f88190b0330d1a8c551905 completed April 5, 2026, 5:43 p.m.
Created at: March 30, 2026, 8:58 p.m.