Triple
T16979527
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Atlantic Avenue (Boston) |
E411906
|
entity |
| Predicate | hasPublicTransit |
P522
|
FINISHED |
| Object |
MBTA South Station
MBTA South Station is Boston’s major intermodal transit hub, serving as a central terminal for commuter rail, Amtrak, subway, and bus services.
|
E1248958
|
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 South Station | Statement: [Atlantic Avenue (Boston), hasPublicTransit, MBTA South Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MBTA South Station Context triple: [Atlantic Avenue (Boston), hasPublicTransit, MBTA South Station]
-
A.
MBTA North Station
MBTA North Station is a major Boston transportation hub that serves as a key terminal for MBTA subway and commuter rail lines as well as Amtrak services.
-
B.
MBTA Government Center station
MBTA Government Center station is a major Boston subway hub on the Green and Blue Lines, serving the City Hall and downtown civic center area.
-
C.
MBTA State Street station
MBTA State Street station is a major underground subway station in downtown Boston serving the Orange and Blue Lines near key historic and commercial sites.
-
D.
MBTA Lechmere station
MBTA Lechmere station is a Green Line light rail station in East Cambridge, Massachusetts, serving as a key transit hub near the CambridgeSide shopping and office district.
-
E.
MBTA Silver Hill station
MBTA Silver Hill station is a small commuter rail stop on the Massachusetts Bay Transportation Authority’s Fitchburg Line serving the Silver Hill neighborhood of Weston, Massachusetts.
- 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 South Station Triple: [Atlantic Avenue (Boston), hasPublicTransit, MBTA South Station]
Generated description
MBTA South Station is Boston’s major intermodal transit hub, serving as a central terminal for commuter rail, Amtrak, subway, and bus services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MBTA South Station Target entity description: MBTA South Station is Boston’s major intermodal transit hub, serving as a central terminal for commuter rail, Amtrak, subway, and bus services.
-
A.
MBTA North Station
MBTA North Station is a major Boston transportation hub that serves as a key terminal for MBTA subway and commuter rail lines as well as Amtrak services.
-
B.
MBTA Government Center station
MBTA Government Center station is a major Boston subway hub on the Green and Blue Lines, serving the City Hall and downtown civic center area.
-
C.
MBTA State Street station
MBTA State Street station is a major underground subway station in downtown Boston serving the Orange and Blue Lines near key historic and commercial sites.
-
D.
MBTA Lechmere station
MBTA Lechmere station is a Green Line light rail station in East Cambridge, Massachusetts, serving as a key transit hub near the CambridgeSide shopping and office district.
-
E.
MBTA Silver Hill station
MBTA Silver Hill station is a small commuter rail stop on the Massachusetts Bay Transportation Authority’s Fitchburg Line serving the Silver Hill neighborhood of Weston, Massachusetts.
- 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_69d886ca8f348190812768ea8d5055ce |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3d1866bf48190a0ea15c377bf782c |
completed | April 18, 2026, 6:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a012eccd1e48190aa0dc64562d6ff1f |
completed | May 11, 2026, 1:20 a.m. |
| NEDg | Description generation | batch_6a012f6e3ba4819081aa185f5e968370 |
completed | May 11, 2026, 1:22 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a012fe91b7c8190a420bdd22f487f29 |
completed | May 11, 2026, 1:24 a.m. |
Created at: April 10, 2026, 5:32 a.m.