Triple
T1052013
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Boylston Street, Boston |
E22719
|
entity |
| Predicate | hasPublicTransitStation |
P15438
|
FINISHED |
| Object | Boylston station |
E52583
|
NE FINISHED |
How this triple was built (3 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: Boylston station | Statement: [Boylston Street, Boston, hasPublicTransitStation, Boylston station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boylston station Context triple: [Boylston Street, Boston, hasPublicTransitStation, Boylston station]
-
A.
Boylston station
chosen
Boylston station is a historic underground light rail stop in downtown Boston that serves the MBTA Green Line.
-
B.
Copley station
Copley station is a major underground MBTA subway stop in Boston’s Back Bay neighborhood, serving multiple branches of the Green Line and providing access to nearby landmarks like Copley Square and the Boston Public Library.
-
C.
Brookline Village station
Brookline Village station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in the Brookline neighborhood just outside Boston.
-
D.
Quincy Center station
Quincy Center station is a major MBTA Red Line rapid transit and commuter rail hub located in downtown Quincy, Massachusetts.
-
E.
Fenway station
Fenway station is a light rail stop on Boston’s MBTA Green Line serving the Fenway–Kenmore area near Fenway Park.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasPublicTransitStation Context triple: [Boylston Street, Boston, hasPublicTransitStation, Boylston station]
-
A.
hasPublicTransportStop
chosen
Indicates that a location or area contains or is served by a public transport stop, such as a bus, tram, or train stop.
-
B.
hasPublicTransitProvider
Indicates that a place or region is served by a specific public transit operating organization or agency.
-
C.
hasPublicTransportConnection
Indicates that there is an available public transportation link or service connecting the related entities.
-
D.
hasBusStation
Indicates that a place or area contains or is served by a bus station.
-
E.
hasPublicTransportAgency
Indicates that a place or transport system is served, managed, or overseen by a specific public transportation agency.
- F. None of above.
Provenance (4 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_69a493da02e081908c13ff5e02a0fe7a |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4b8b5312081909796df58fa7c1e9d |
completed | March 1, 2026, 10:07 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad58a2448c81909cb30e1a4400e1f3 |
completed | March 8, 2026, 11:08 a.m. |
| PD | Predicate disambiguation | batch_69a4b7309cc481908ed839b0b8d75dbf |
completed | March 1, 2026, 10:01 p.m. |
Created at: March 1, 2026, 7:42 p.m.