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.