Triple
T1424947
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mystic River watershed |
E30307
|
entity |
| Predicate | contains |
P35
|
FINISHED |
| Object | Alewife Brook Reservation |
E30170
|
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: Alewife Brook Reservation | Statement: [Mystic River watershed, contains, Alewife Brook Reservation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Alewife Brook Reservation Context triple: [Mystic River watershed, contains, Alewife Brook Reservation]
-
A.
Alewife Brook Reservation
chosen
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.
-
B.
Beaver Brook Reservation
Beaver Brook Reservation is a public park and natural conservation area in Belmont, Massachusetts, known for its walking trails, waterfalls, and scenic woodlands.
-
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.
Lynn Shore Reservation
Lynn Shore Reservation is a coastal public park in Lynn, Massachusetts, featuring scenic oceanfront walkways, beaches, and recreational areas along the Atlantic shoreline.
-
E.
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.
- 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_69a498fb823c8190a67ce4c4837e641a |
completed | March 1, 2026, 7:52 p.m. |
| NER | Named-entity recognition | batch_69a4c4bd59148190b96f9f585e07aa0d |
completed | March 1, 2026, 10:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad08b35da08190b8c09ad393f310e3 |
completed | March 8, 2026, 5:27 a.m. |
Created at: March 1, 2026, 8 p.m.