Triple
T18825234
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | History of Arlington, Massachusetts |
E460367
|
entity |
| Predicate | hasKeyLocation |
P18908
|
FINISHED |
| Object | Mill Brook |
—
|
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 | Statement: [History of Arlington, Massachusetts, hasKeyLocation, Mill Brook]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mill Brook Context triple: [History of Arlington, Massachusetts, hasKeyLocation, Mill Brook]
-
A.
Mill Brook
Mill Brook is a small stream in Wrentham, Massachusetts, that forms part of the town’s local watershed and natural landscape.
-
B.
Mill Brook
Mill Brook is a smaller stream in the northeastern United States that serves as one of the tributaries feeding into the Blackstone River.
-
C.
Marsh Brook
Marsh Brook is a small stream in New Hampshire that serves as a tributary of the Winnicut River.
-
D.
Walker Brook
Walker Brook is a small stream in Massachusetts that feeds into the Squannacook River within the Merrimack River watershed.
-
E.
Mill Stream
Mill Stream is a scenic waterway running through Willamette University’s campus that serves as a central natural and aesthetic landmark for the university community.
- 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 Target entity description: Mill Brook is a historically significant waterway in Arlington, Massachusetts, that supported early industry and shaped the town’s development.
-
A.
Mill Brook
Mill Brook is a small stream in Wrentham, Massachusetts, that forms part of the town’s local watershed and natural landscape.
-
B.
Mill Brook
Mill Brook is a smaller stream in the northeastern United States that serves as one of the tributaries feeding into the Blackstone River.
-
C.
Marsh Brook
Marsh Brook is a small stream in New Hampshire that serves as a tributary of the Winnicut River.
-
D.
Walker Brook
Walker Brook is a small stream in Massachusetts that feeds into the Squannacook River within the Merrimack River watershed.
-
E.
Mill Stream
Mill Stream is a scenic waterway running through Willamette University’s campus that serves as a central natural and aesthetic landmark for the university community.
- 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_69d8dcf94c288190a06dea029ae4b223 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5a6bdefac8190892d6fd5c20a431e |
completed | April 20, 2026, 4:08 a.m. |
Created at: April 10, 2026, 11:56 a.m.