Triple

T7960459
Position Surface form Disambiguated ID Type / Status
Subject MBTA bus route 71 E184849 entity
Predicate connectsWith P37 FINISHED
Object MBTA bus route 73
MBTA bus route 73 is a Massachusetts Bay Transportation Authority bus line serving the corridor between Harvard Square in Cambridge and Waverley Square in Belmont.
 E708328 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 73 | Statement: [MBTA bus route 71, connectsWith, MBTA bus route 73]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MBTA bus route 73
Context triple: [MBTA bus route 71, connectsWith, MBTA bus route 73]
  • A. 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.
  • B. MBTA bus route 71
    MBTA bus route 71 is a Massachusetts Bay Transportation Authority bus line that primarily operates between Harvard Square in Cambridge and Watertown, serving neighborhoods along Mount Auburn Street.
  • C. MBTA bus route 57
    MBTA bus route 57 is a key Boston-area bus line that connects downtown Boston with Allston, Brighton, and Watertown, serving as a major transit corridor along Commonwealth Avenue and beyond.
  • D. 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.
  • E. 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.
  • 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 73
Triple: [MBTA bus route 71, connectsWith, MBTA bus route 73]
Generated description
MBTA bus route 73 is a Massachusetts Bay Transportation Authority bus line serving the corridor between Harvard Square in Cambridge and Waverley Square in Belmont.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: MBTA bus route 73
Target entity description: MBTA bus route 73 is a Massachusetts Bay Transportation Authority bus line serving the corridor between Harvard Square in Cambridge and Waverley Square in Belmont.
  • A. 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.
  • B. MBTA bus route 71
    MBTA bus route 71 is a Massachusetts Bay Transportation Authority bus line that primarily operates between Harvard Square in Cambridge and Watertown, serving neighborhoods along Mount Auburn Street.
  • C. MBTA bus route 57
    MBTA bus route 57 is a key Boston-area bus line that connects downtown Boston with Allston, Brighton, and Watertown, serving as a major transit corridor along Commonwealth Avenue and beyond.
  • D. 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.
  • E. 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.
  • 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_69ca8293a2388190aace944d7ed9c0c0 completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cb3b8136448190890f007fb4fb7625 completed March 31, 2026, 3:12 a.m.
NED1 Entity disambiguation (via context triple) batch_69cc566604e881908792c7155a370e4c completed March 31, 2026, 11:19 p.m.
NEDg Description generation batch_69cc58a76b90819092de63b3b23e70af completed March 31, 2026, 11:28 p.m.
NED2 Entity disambiguation (via description) batch_69cc5cfccc9c8190adcbaee96c17711e completed March 31, 2026, 11:47 p.m.
Created at: March 30, 2026, 5:12 p.m.