Triple
T9894315
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metropolitan District Commission (Massachusetts) |
E181530
|
entity |
| Predicate | operated |
P1688
|
FINISHED |
| Object | Metropolitan Park System of Greater Boston |
E89454
|
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: Metropolitan Park System of Greater Boston | Statement: [Metropolitan District Commission (Massachusetts), operated, Metropolitan Park System of Greater Boston]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metropolitan Park System of Greater Boston Context triple: [Metropolitan District Commission (Massachusetts), operated, Metropolitan Park System of Greater Boston]
-
A.
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.
-
B.
Middlesex Fells Reservation
Middlesex Fells Reservation is a large state-owned natural area north of Boston known for its forests, reservoirs, and extensive network of hiking and biking trails.
-
C.
Charles River Reservation
Charles River Reservation is a linear state park in Massachusetts that preserves and provides recreational access to the scenic banks and basin of the Charles River.
-
D.
Greater Boston parkway system
chosen
The Greater Boston parkway system is a network of scenic, historically planned roadways and parkways around Boston designed to connect urban areas with parks, beaches, and natural landscapes.
-
E.
Watertown Riverfront Park
Watertown Riverfront Park is a public recreational area along the Charles River in Watertown, Massachusetts, featuring walking paths, green space, and scenic river views.
- 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_69ca8283a6708190801af7a25a7ebb9f |
completed | March 30, 2026, 2:02 p.m. |
| NER | Named-entity recognition | batch_69cdb4a89e148190901753e67483d72c |
completed | April 2, 2026, 12:13 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1eb0d984c81908408f90f156624e5 |
completed | April 5, 2026, 4:54 a.m. |
Created at: March 30, 2026, 8:39 p.m.