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.