Triple

T6633090
Position Surface form Disambiguated ID Type / Status
Subject Beachmont E149973 entity
Predicate hasStationCode P1289 FINISHED
Object 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.
 E606923 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: Blue Line station (MBTA) | Statement: [Beachmont, hasStationCode, Blue Line station (MBTA)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Blue Line station (MBTA)
Context triple: [Beachmont, hasStationCode, Blue Line station (MBTA)]
  • A. Massachusetts Avenue station
    Massachusetts Avenue station is an underground rapid transit stop in Boston, Massachusetts, located in the South End and served by the MBTA's Orange Line.
  • B. MBTA Silver Hill station
    MBTA Silver Hill station is a small commuter rail stop on the Massachusetts Bay Transportation Authority’s Fitchburg Line serving the Silver Hill neighborhood of Weston, Massachusetts.
  • C. Beacon Hill light rail station
    Beacon Hill light rail station is an underground Link light rail stop in Seattle, Washington, serving the Beacon Hill neighborhood with rapid transit connections to downtown and other parts of the city.
  • D. MBTA State Street station
    MBTA State Street station is a major underground subway station in downtown Boston serving the Orange and Blue Lines near key historic and commercial sites.
  • E. Waban MBTA station
    Waban MBTA station is a light rail stop on the MBTA Green Line D branch in Newton, Massachusetts, serving the village of Waban.
  • 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: Blue Line station (MBTA)
Triple: [Beachmont, hasStationCode, Blue Line station (MBTA)]
Generated description
Blue Line station (MBTA) is a rapid transit stop on Boston’s MBTA Blue Line serving the Beachmont area of Revere, Massachusetts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Blue Line station (MBTA)
Target entity description: Blue Line station (MBTA) is a rapid transit stop on Boston’s MBTA Blue Line serving the Beachmont area of Revere, Massachusetts.
  • A. Massachusetts Avenue station
    Massachusetts Avenue station is an underground rapid transit stop in Boston, Massachusetts, located in the South End and served by the MBTA's Orange Line.
  • B. MBTA Silver Hill station
    MBTA Silver Hill station is a small commuter rail stop on the Massachusetts Bay Transportation Authority’s Fitchburg Line serving the Silver Hill neighborhood of Weston, Massachusetts.
  • C. Beacon Hill light rail station
    Beacon Hill light rail station is an underground Link light rail stop in Seattle, Washington, serving the Beacon Hill neighborhood with rapid transit connections to downtown and other parts of the city.
  • D. MBTA State Street station
    MBTA State Street station is a major underground subway station in downtown Boston serving the Orange and Blue Lines near key historic and commercial sites.
  • E. Waban MBTA station
    Waban MBTA station is a light rail stop on the MBTA Green Line D branch in Newton, Massachusetts, serving the village of Waban.
  • 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_69c687ee50048190aa151765bef16193 completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6afca8f0c819094a1989360cf58b6 completed March 27, 2026, 4:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6e4518f4881909c0a56df993d2af6 completed March 27, 2026, 8:10 p.m.
NEDg Description generation batch_69c6e57d71ec8190b79615f11eadec26 completed March 27, 2026, 8:15 p.m.
NED2 Entity disambiguation (via description) batch_69c6e614f04c8190b25b553553895799 completed March 27, 2026, 8:18 p.m.
Created at: March 27, 2026, 1:59 p.m.