Triple

T9975800
Position Surface form Disambiguated ID Type / Status
Subject Massachusetts Avenue station E196323 entity
Predicate hasConnection P8776 FINISHED
Object MBTA bus route CT1
MBTA bus route CT1 was a former limited-stop crosstown bus service in Boston and Cambridge that connected key transit hubs and major institutions along a north–south corridor.
E832713 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 CT1 | Statement: [Massachusetts Avenue station, hasConnection, MBTA bus route CT1]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MBTA bus route CT1
Context triple: [Massachusetts Avenue station, hasConnection, MBTA bus route CT1]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. MBTA bus route 111
    MBTA bus route 111 is a high-ridership Massachusetts Bay Transportation Authority bus line serving the corridor between downtown Boston and the city of Chelsea.
  • E. MBTA bus route 10
    MBTA bus route 10 is a local Massachusetts Bay Transportation Authority bus line in Boston that connects key neighborhoods including the South End, Roxbury, and downtown areas.
  • 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 CT1
Triple: [Massachusetts Avenue station, hasConnection, MBTA bus route CT1]
Generated description
MBTA bus route CT1 was a former limited-stop crosstown bus service in Boston and Cambridge that connected key transit hubs and major institutions along a north–south corridor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: MBTA bus route CT1
Target entity description: MBTA bus route CT1 was a former limited-stop crosstown bus service in Boston and Cambridge that connected key transit hubs and major institutions along a north–south corridor.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. MBTA bus route 111
    MBTA bus route 111 is a high-ridership Massachusetts Bay Transportation Authority bus line serving the corridor between downtown Boston and the city of Chelsea.
  • E. MBTA bus route 10
    MBTA bus route 10 is a local Massachusetts Bay Transportation Authority bus line in Boston that connects key neighborhoods including the South End, Roxbury, and downtown areas.
  • 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_69ca82eea2b88190a0e511d21a31f386 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cdb84b47308190aa2f94fa7320cdc3 completed April 2, 2026, 12:28 a.m.
NED1 Entity disambiguation (via context triple) batch_69d23de601f0819096004bf60ffa2d2c completed April 5, 2026, 10:48 a.m.
NEDg Description generation batch_69d241e666a0819087061bf8af397131 completed April 5, 2026, 11:05 a.m.
NED2 Entity disambiguation (via description) batch_69d24283caa481908d794ea2cd4f9db3 completed April 5, 2026, 11:07 a.m.
Created at: March 30, 2026, 8:48 p.m.