Triple

T6050704
Position Surface form Disambiguated ID Type / Status
Subject Copley E134784 entity
Predicate hasConnection P8776 FINISHED
Object MBTA bus route 9
MBTA bus route 9 is a Massachusetts Bay Transportation Authority bus line in Boston that connects Copley Square with the South Boston area.
E564603 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: MBTA bus route 9 | Statement: [Copley, hasConnection, MBTA bus route 9]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MBTA bus route 9
Context triple: [Copley, hasConnection, MBTA bus route 9]
  • A. MBTA bus route 93
    MBTA bus route 93 is a Massachusetts Bay Transportation Authority bus line that connects downtown Boston with the Charlestown and Sullivan Square areas.
  • B. MBTA bus route 92
    MBTA bus route 92 is a Massachusetts Bay Transportation Authority bus line serving the Charlestown and Somerville areas with connections to downtown Boston.
  • C. MBTA bus route 39
    MBTA bus route 39 is a heavily used Boston-area bus line that connects Forest Hills and Back Bay via Jamaica Plain and the Longwood Medical Area, serving as a key replacement for the former Green Line E-branch streetcar service along much of its corridor.
  • D. MBTA bus route 70
    MBTA bus route 70 is a Massachusetts Bay Transportation Authority bus line that runs between Cambridge and Waltham, serving several communities along the Charles River corridor.
  • E. MBTA bus route 28
    MBTA bus route 28 is a major Boston-area bus line that runs along Blue Hill Avenue and Warren Street, connecting Mattapan and Roxbury to downtown transit hubs and serving some of the system’s highest-ridership corridors.
  • 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: MBTA bus route 9
Triple: [Copley, hasConnection, MBTA bus route 9]
Generated description
MBTA bus route 9 is a Massachusetts Bay Transportation Authority bus line in Boston that connects Copley Square with the South Boston area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: MBTA bus route 9
Target entity description: MBTA bus route 9 is a Massachusetts Bay Transportation Authority bus line in Boston that connects Copley Square with the South Boston area.
  • A. MBTA bus route 93
    MBTA bus route 93 is a Massachusetts Bay Transportation Authority bus line that connects downtown Boston with the Charlestown and Sullivan Square areas.
  • B. MBTA bus route 92
    MBTA bus route 92 is a Massachusetts Bay Transportation Authority bus line serving the Charlestown and Somerville areas with connections to downtown Boston.
  • C. MBTA bus route 39
    MBTA bus route 39 is a heavily used Boston-area bus line that connects Forest Hills and Back Bay via Jamaica Plain and the Longwood Medical Area, serving as a key replacement for the former Green Line E-branch streetcar service along much of its corridor.
  • D. MBTA bus route 70
    MBTA bus route 70 is a Massachusetts Bay Transportation Authority bus line that runs between Cambridge and Waltham, serving several communities along the Charles River corridor.
  • E. MBTA bus route 28
    MBTA bus route 28 is a major Boston-area bus line that runs along Blue Hill Avenue and Warren Street, connecting Mattapan and Roxbury to downtown transit hubs and serving some of the system’s highest-ridership corridors.
  • 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_69c00877b6d4819096b0e163728b73a3 completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c056f66cb08190a782cdd038f26b93 completed March 22, 2026, 8:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69c113a911548190b4269d094f65308d completed March 23, 2026, 10:19 a.m.
NEDg Description generation batch_69c11423d05c81909298ae598c80ccb0 completed March 23, 2026, 10:21 a.m.
NED2 Entity disambiguation (via description) batch_69c11498f2948190bcca6b8054186e75 completed March 23, 2026, 10:23 a.m.
Created at: March 22, 2026, 4:09 p.m.