Triple

T8196982
Position Surface form Disambiguated ID Type / Status
Subject Kenmore station E191456 entity
Predicate hasBusConnection P3791 FINISHED
Object MBTA bus route CT3
MBTA bus route CT3 is a limited-stop crosstown bus service in Boston that connects key medical, academic, and transit hubs, including the Longwood Medical Area and Boston University/Kenmore area.
E718489 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 CT3 | Statement: [Kenmore station, hasBusConnection, MBTA bus route CT3]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MBTA bus route CT3
Context triple: [Kenmore station, hasBusConnection, MBTA bus route CT3]
  • A. CTA bus route 36 Broadway
    CTA bus route 36 Broadway is a Chicago Transit Authority bus line that primarily runs along Broadway on the city’s North Side, serving dense residential and commercial corridors and connecting with multiple other bus and rail routes.
  • B. 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.
  • C. 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.
  • D. CTA bus route 39
    CTA bus route 39 is a Chicago Transit Authority bus line that primarily operates along Pershing Road, connecting neighborhoods on the South Side and providing links to CTA rail and other bus services.
  • E. 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.
  • 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 CT3
Triple: [Kenmore station, hasBusConnection, MBTA bus route CT3]
Generated description
MBTA bus route CT3 is a limited-stop crosstown bus service in Boston that connects key medical, academic, and transit hubs, including the Longwood Medical Area and Boston University/Kenmore area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: MBTA bus route CT3
Target entity description: MBTA bus route CT3 is a limited-stop crosstown bus service in Boston that connects key medical, academic, and transit hubs, including the Longwood Medical Area and Boston University/Kenmore area.
  • A. CTA bus route 36 Broadway
    CTA bus route 36 Broadway is a Chicago Transit Authority bus line that primarily runs along Broadway on the city’s North Side, serving dense residential and commercial corridors and connecting with multiple other bus and rail routes.
  • B. 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.
  • C. 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.
  • D. CTA bus route 39
    CTA bus route 39 is a Chicago Transit Authority bus line that primarily operates along Pershing Road, connecting neighborhoods on the South Side and providing links to CTA rail and other bus services.
  • E. 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.
  • 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_69ca82c6e9548190a4c5ca14516e4417 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb5c222e7081908aebce9253cfe515 completed March 31, 2026, 5:31 a.m.
NED1 Entity disambiguation (via context triple) batch_69ccedb3cd488190b87e134dd0426a6d completed April 1, 2026, 10:04 a.m.
NEDg Description generation batch_69ccf1b706f08190993f4a75eac5f49c completed April 1, 2026, 10:21 a.m.
NED2 Entity disambiguation (via description) batch_69cd05ac594c819087d23a7318fd7704 completed April 1, 2026, 11:46 a.m.
Created at: March 30, 2026, 5:42 p.m.