Triple
T19213803
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Presumpscot River |
E480424
|
entity |
| Predicate | hasTributary |
P415
|
FINISHED |
| Object | Mill Brook (Westbrook, Maine) |
—
|
NE NERFINISHED |
How this triple was built (3 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: Mill Brook (Westbrook, Maine) | Statement: [Presumpscot River, hasTributary, Mill Brook (Westbrook, Maine)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mill Brook (Westbrook, Maine) Context triple: [Presumpscot River, hasTributary, Mill Brook (Westbrook, Maine)]
-
A.
Dyer Brook, Maine
Dyer Brook, Maine is a small rural town located in Aroostook County in northern Maine, known for its forested landscape and agricultural character.
-
B.
Mill Brook (Arlington, Massachusetts)
Mill Brook is a small urban stream in Arlington, Massachusetts, that flows through residential and commercial areas before joining the Mystic River system.
-
C.
Lyme Brook
Lyme Brook is a small watercourse flowing through the Newcastle-under-Lyme area in Staffordshire, England.
-
D.
Whistle Brook
Whistle Brook is a small watercourse in England that serves as a tributary of the River Ouzel.
-
E.
Mill Brook
Mill Brook is a historically significant waterway in Arlington, Massachusetts, that supported early industry and shaped the town’s development.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mill Brook (Westbrook, Maine) Target entity description: Mill Brook is a small stream in Westbrook, Maine, that flows through forested and suburban areas and supports local wildlife before joining the Presumpscot River.
-
A.
Dyer Brook, Maine
Dyer Brook, Maine is a small rural town located in Aroostook County in northern Maine, known for its forested landscape and agricultural character.
-
B.
Mill Brook (Arlington, Massachusetts)
Mill Brook is a small urban stream in Arlington, Massachusetts, that flows through residential and commercial areas before joining the Mystic River system.
-
C.
Lyme Brook
Lyme Brook is a small watercourse flowing through the Newcastle-under-Lyme area in Staffordshire, England.
-
D.
Whistle Brook
Whistle Brook is a small watercourse in England that serves as a tributary of the River Ouzel.
-
E.
Mill Brook
Mill Brook is a historically significant waterway in Arlington, Massachusetts, that supported early industry and shaped the town’s development.
- F. None of above. chosen
Provenance (2 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_69d8e8cb8c348190b52075823911c869 |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e5fa38c0e881908e9501ee21d0f266 |
completed | April 20, 2026, 10:04 a.m. |
Created at: April 10, 2026, 1:22 p.m.