Triple
T269513
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Green Line D branch |
E5598
|
entity |
| Predicate | servesParkNearby |
P7126
|
FINISHED |
| Object | Emerald Necklace park system (near Fenway and Longwood stations) |
E1594
|
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: Emerald Necklace park system (near Fenway and Longwood stations) | Statement: [MBTA Green Line D branch, servesParkNearby, Emerald Necklace park system (near Fenway and Longwood stations)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Emerald Necklace park system (near Fenway and Longwood stations) Context triple: [MBTA Green Line D branch, servesParkNearby, Emerald Necklace park system (near Fenway and Longwood stations)]
-
A.
Emerald Necklace park system
chosen
The Emerald Necklace park system is a chain of interconnected parks and waterways in Boston and Brookline, Massachusetts, designed by landscape architect Frederick Law Olmsted as an urban greenway.
-
B.
Boston park system
The Boston park system is an interconnected network of urban parks and greenways, including the historic Emerald Necklace, that provides recreational space and natural scenery throughout Boston.
-
C.
Fenway–Kenmore
Fenway–Kenmore is a Boston neighborhood best known for housing Fenway Park and a mix of cultural institutions, universities, and residential areas.
-
D.
Franklin Park
Franklin Park is the largest public park in Boston, Massachusetts, known for its extensive woodlands, recreational facilities, and role as a central component of Frederick Law Olmsted’s Emerald Necklace park system.
-
E.
Huntington Avenue Grounds
Huntington Avenue Grounds was an early 20th-century baseball park in Boston best known as the original home of the Boston Red Sox and the site of the first modern World Series in 1903.
- 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_69a25853594c8190b05ec3a586ec88bf |
completed | Feb. 28, 2026, 2:52 a.m. |
| NER | Named-entity recognition | batch_69a260cfb4cc81909771b2d496b84726 |
completed | Feb. 28, 2026, 3:28 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a38b9220f08190a94ffd00bb7425fd |
completed | March 1, 2026, 12:42 a.m. |
Created at: Feb. 28, 2026, 2:57 a.m.