Triple
T1424973
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mystic River watershed |
E30307
|
entity |
| Predicate | managedBy |
P86
|
FINISHED |
| Object | Mystic River Watershed Association |
E1201
|
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: Mystic River Watershed Association | Statement: [Mystic River watershed, managedBy, Mystic River Watershed Association]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mystic River Watershed Association Context triple: [Mystic River watershed, managedBy, Mystic River Watershed Association]
-
A.
Mystic River Watershed Association
chosen
Mystic River Watershed Association is a nonprofit environmental organization dedicated to protecting, restoring, and advocating for the Mystic River and its surrounding watershed in Massachusetts.
-
B.
Mystic River watershed
The Mystic River watershed is a drainage basin in the Greater Boston area of Massachusetts that collects water from numerous rivers and streams before emptying into Boston Harbor.
-
C.
Massachusetts Water Resources Authority
The Massachusetts Water Resources Authority is a public agency responsible for providing wholesale water and sewer services, including drinking water supply and wastewater treatment, to communities in the Greater Boston area.
-
D.
San Diego River Conservancy
The San Diego River Conservancy is a state-established public agency dedicated to protecting, restoring, and enhancing the San Diego River and its surrounding watershed for environmental, recreational, and community benefits.
-
E.
San Joaquin River Conservancy
The San Joaquin River Conservancy is a state agency dedicated to protecting, restoring, and providing public access to natural and recreational resources along the San Joaquin River in California.
- 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_69ad01646fd481909fcd92a1cc027fa2 |
completed | March 8, 2026, 4:56 a.m. |
Created at: March 1, 2026, 8 p.m.