Triple
T8196975
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kenmore station |
E191456
|
entity |
| Predicate | hasBusConnection |
P3791
|
FINISHED |
| Object |
MBTA bus route 19
MBTA bus route 19 is a Massachusetts Bay Transportation Authority bus line serving neighborhoods in Boston and providing connections between residential areas and key transit hubs.
|
E721913
|
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 19 | Statement: [Kenmore station, hasBusConnection, MBTA bus route 19]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MBTA bus route 19 Context triple: [Kenmore station, hasBusConnection, MBTA bus route 19]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
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 19 Triple: [Kenmore station, hasBusConnection, MBTA bus route 19]
Generated description
MBTA bus route 19 is a Massachusetts Bay Transportation Authority bus line serving neighborhoods in Boston and providing connections between residential areas and key transit hubs.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MBTA bus route 19 Target entity description: MBTA bus route 19 is a Massachusetts Bay Transportation Authority bus line serving neighborhoods in Boston and providing connections between residential areas and key transit hubs.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
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_69cd34a11138819093b9a17ab8b8ec8a |
completed | April 1, 2026, 3:07 p.m. |
| NEDg | Description generation | batch_69cd4e5e9a2c819099a65053a12c8fde |
completed | April 1, 2026, 4:57 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cd507ce2a881909da6871a9f6df119 |
completed | April 1, 2026, 5:06 p.m. |
Created at: March 30, 2026, 5:42 p.m.