Triple

T89967
Position Surface form Disambiguated ID Type / Status
Subject MBTA bus network E1808 entity
Predicate hasComponent P35 FINISHED
Object MBTA bus route 1
MBTA bus route 1 is a heavily used Boston-area bus line that runs between Harvard Square in Cambridge and Dudley/Nubian Square in Roxbury, serving major corridors like Massachusetts Avenue.
E34286 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 1 | Statement: [MBTA bus network, hasComponent, MBTA bus route 1]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MBTA bus route 1
Context triple: [MBTA bus network, hasComponent, MBTA bus route 1]
  • A. MBTA bus network
    The MBTA bus network is the system of public bus routes serving Cambridge and the greater Boston area as part of the Massachusetts Bay Transportation Authority’s regional transit services.
  • B. MBTA Orange Line
    The MBTA Orange Line is a rapid transit line in the Boston metropolitan area that runs roughly north–south, connecting neighborhoods such as Jamaica Plain, Downtown Boston, and Malden.
  • C. MBTA Green Line
    The MBTA Green Line is a light rail service in Boston, Massachusetts, known as one of the oldest subway lines in the United States and serving key neighborhoods, universities, and cultural destinations across the city.
  • D. MBTA Blue Line
    The MBTA Blue Line is a rapid transit line in the Boston metropolitan area that runs primarily along the city’s northeastern corridor, connecting downtown Boston with East Boston, Logan Airport, and Revere.
  • E. MBTA Red Line
    The MBTA Red Line is a major rapid transit line in the Boston metropolitan area that runs through key communities including Cambridge, connecting them to downtown Boston and other parts of the region.
  • 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 1
Triple: [MBTA bus network, hasComponent, MBTA bus route 1]
Generated description
MBTA bus route 1 is a heavily used Boston-area bus line that runs between Harvard Square in Cambridge and Dudley/Nubian Square in Roxbury, serving major corridors like Massachusetts Avenue.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: MBTA bus route 1
Target entity description: MBTA bus route 1 is a heavily used Boston-area bus line that runs between Harvard Square in Cambridge and Dudley/Nubian Square in Roxbury, serving major corridors like Massachusetts Avenue.
  • A. MBTA bus network
    The MBTA bus network is the system of public bus routes serving Cambridge and the greater Boston area as part of the Massachusetts Bay Transportation Authority’s regional transit services.
  • B. MBTA Orange Line
    The MBTA Orange Line is a rapid transit line in the Boston metropolitan area that runs roughly north–south, connecting neighborhoods such as Jamaica Plain, Downtown Boston, and Malden.
  • C. MBTA Green Line
    The MBTA Green Line is a light rail service in Boston, Massachusetts, known as one of the oldest subway lines in the United States and serving key neighborhoods, universities, and cultural destinations across the city.
  • D. MBTA Blue Line
    The MBTA Blue Line is a rapid transit line in the Boston metropolitan area that runs primarily along the city’s northeastern corridor, connecting downtown Boston with East Boston, Logan Airport, and Revere.
  • E. MBTA Red Line
    The MBTA Red Line is a major rapid transit line in the Boston metropolitan area that runs through key communities including Cambridge, connecting them to downtown Boston and other parts of the region.
  • 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_69a24d1a97dc819094e6c021fe9b05a7 completed Feb. 28, 2026, 2:04 a.m.
NER Named-entity recognition batch_69a383e3575c8190932dcdc25503d06e completed March 1, 2026, 12:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69a38611d3808190834c96fe39f9cf0d completed March 1, 2026, 12:19 a.m.
NEDg Description generation batch_69a386883e74819090d26dff200cb267 completed March 1, 2026, 12:21 a.m.
NED2 Entity disambiguation (via description) batch_69a386f03ac08190a2645a325bb73fcd completed March 1, 2026, 12:23 a.m.
Created at: Feb. 28, 2026, 2:07 a.m.