Triple

T8196981
Position Surface form Disambiguated ID Type / Status
Subject Kenmore station E191456 entity
Predicate hasBusConnection P3791 FINISHED
Object MBTA bus route CT2
MBTA bus route CT2 is a limited-stop crosstown bus line in Boston and Cambridge that connects major destinations such as Kendall/MIT, Massachusetts General Hospital, and the Longwood Medical Area.
E718488 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 CT2 | Statement: [Kenmore station, hasBusConnection, MBTA bus route CT2]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MBTA bus route CT2
Context triple: [Kenmore station, hasBusConnection, MBTA bus route CT2]
  • A. MBTA bus route 52
    MBTA bus route 52 is a Massachusetts Bay Transportation Authority bus line serving parts of Newton and Watertown in the Greater Boston area.
  • 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 502
    MBTA bus route 502 is an express bus line in the Boston area that connects Watertown and downtown Boston, primarily serving commuters along the Massachusetts Turnpike corridor.
  • D. 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.
  • E. CTA Route 201 Central/Ridge
    CTA Route 201 Central/Ridge is a Chicago Transit Authority bus route serving Evanston and nearby North Shore communities, connecting key local destinations and transit hubs including the Davis station.
  • 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 CT2
Triple: [Kenmore station, hasBusConnection, MBTA bus route CT2]
Generated description
MBTA bus route CT2 is a limited-stop crosstown bus line in Boston and Cambridge that connects major destinations such as Kendall/MIT, Massachusetts General Hospital, and the Longwood Medical Area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: MBTA bus route CT2
Target entity description: MBTA bus route CT2 is a limited-stop crosstown bus line in Boston and Cambridge that connects major destinations such as Kendall/MIT, Massachusetts General Hospital, and the Longwood Medical Area.
  • A. MBTA bus route 52
    MBTA bus route 52 is a Massachusetts Bay Transportation Authority bus line serving parts of Newton and Watertown in the Greater Boston area.
  • 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 502
    MBTA bus route 502 is an express bus line in the Boston area that connects Watertown and downtown Boston, primarily serving commuters along the Massachusetts Turnpike corridor.
  • D. 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.
  • E. CTA Route 201 Central/Ridge
    CTA Route 201 Central/Ridge is a Chicago Transit Authority bus route serving Evanston and nearby North Shore communities, connecting key local destinations and transit hubs including the Davis station.
  • 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.