Triple
T11026710
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Framingham/Worcester Line |
E260642
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Natick Center station |
E402972
|
NE FINISHED |
How this triple was built (2 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: Natick Center station | Statement: [MBTA Framingham/Worcester Line, hasStation, Natick Center station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Natick Center station Context triple: [MBTA Framingham/Worcester Line, hasStation, Natick Center station]
-
A.
Natick Center Commuter Rail Station
chosen
Natick Center Commuter Rail Station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop on the Framingham/Worcester Line serving the downtown area of Natick, Massachusetts.
-
B.
Malden Center station
Malden Center station is a major transit hub in Malden, Massachusetts, serving both MBTA Orange Line subway and commuter rail services.
-
C.
North Billerica station
North Billerica station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Billerica, Massachusetts, serving the Lowell Line between Boston and Lowell.
-
D.
Brookline Hills station
Brookline Hills station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in Brookline, Massachusetts, serving local commuters and nearby schools and neighborhoods.
-
E.
Newtonville station
Newtonville station is a commuter rail stop on the MBTA Framingham/Worcester Line serving the Newtonville neighborhood of Newton, Massachusetts.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d6aa9687448190b28d353b1b6a610e |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d797d190f08190bcb5949ee24306f1 |
completed | April 9, 2026, 12:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e42d587dd08190ba466a4ffedde1e0 |
completed | April 19, 2026, 1:18 a.m. |
Created at: April 8, 2026, 9:25 p.m.