Triple
T491376
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Medford, Massachusetts |
E9996
|
entity |
| Predicate | hasPark |
P105
|
FINISHED |
| Object | Middlesex Fells Reservation (partly) |
E51717
|
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: Middlesex Fells Reservation (partly) | Statement: [Medford, Massachusetts, hasPark, Middlesex Fells Reservation (partly)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Middlesex Fells Reservation (partly) Context triple: [Medford, Massachusetts, hasPark, Middlesex Fells Reservation (partly)]
-
A.
Middlesex Fells Reservation
chosen
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.
-
B.
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.
-
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.
Salem Common
Salem Common is a historic public park and gathering space in downtown Salem, Massachusetts, known for its open green, walking paths, and proximity to the city’s notable witch-trial–related sites.
- 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_69a2e802e2908190ab17c9479e0b6412 |
completed | Feb. 28, 2026, 1:05 p.m. |
| NER | Named-entity recognition | batch_69a2f0f959b481908f9f28fb96695924 |
completed | Feb. 28, 2026, 1:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4778034fc8190bedcc537fed5cef9 |
completed | March 1, 2026, 5:29 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.