Triple
T3541960
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Old Croton Dam |
E74906
|
entity |
| Predicate | replacedBy |
P101
|
FINISHED |
| Object | New Croton Dam |
E17213
|
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: New Croton Dam | Statement: [Old Croton Dam, replacedBy, New Croton Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New Croton Dam Context triple: [Old Croton Dam, replacedBy, New Croton Dam]
-
A.
New Croton Dam
chosen
New Croton Dam is a large masonry gravity dam in New York that forms the New Croton Reservoir, a key component of New York City’s water supply system.
-
B.
Old Croton Dam
Old Croton Dam was the original 19th-century masonry dam that formed part of New York City’s first major public water supply system before being superseded by the New Croton Dam.
-
C.
Kensico Dam
Kensico Dam is a massive early-20th-century masonry dam in Valhalla, New York, that forms the Kensico Reservoir and serves as a key component of New York City's water supply system.
-
D.
New Croton Reservoir
The New Croton Reservoir is a major water supply reservoir in Westchester County, New York, that forms a key part of New York City's Croton water system.
-
E.
Croton Dam
Croton Dam is a historic masonry dam on New York’s Croton River that was a key early source of drinking water for New York City and is now a notable landmark within Old Croton Aqueduct State Historic Park.
- 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_69ad85d274cc8190ab59c97298a1cfbf |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adbf73c5e881909a8352512928377b |
completed | March 8, 2026, 6:26 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b38bda9b848190a06b4b7113f97fc1 |
completed | March 13, 2026, 4 a.m. |
Created at: March 8, 2026, 3:20 p.m.