Triple
T9894317
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metropolitan District Commission (Massachusetts) |
E181530
|
entity |
| Predicate | operated |
P1688
|
FINISHED |
| Object | Charles River Reservation |
E34285
|
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: Charles River Reservation | Statement: [Metropolitan District Commission (Massachusetts), operated, Charles River Reservation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Charles River Reservation Context triple: [Metropolitan District Commission (Massachusetts), operated, Charles River Reservation]
-
A.
Charles River Reservation
chosen
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.
-
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.
Blue Hills Reservation
Blue Hills Reservation is a large state park and conservation area just south of Boston, known for its wooded hills, hiking trails, and scenic views.
-
D.
Alewife Brook Reservation
Alewife Brook Reservation is an urban nature preserve and wetland park in Cambridge, Massachusetts, offering trails, wildlife habitat, and floodplain protection within the Boston metropolitan area.
-
E.
Neponset River Reservation
Neponset River Reservation is a protected natural and recreational area along the Neponset River in Massachusetts, featuring wetlands, trails, and waterfront access for outdoor activities.
- 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.