Triple
T7449890
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chestnut Hill Reservoir |
E171979
|
entity |
| Predicate | hasNearbyStructure |
P231
|
FINISHED |
| Object |
Chestnut Hill Pumping Station
Chestnut Hill Pumping Station is a historic waterworks facility in Boston, Massachusetts, notable for its role in the city’s 19th- and early 20th-century public water supply system and its distinctive Romanesque Revival architecture.
|
E665957
|
NE FINISHED |
How this triple was built (4 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: Chestnut Hill Pumping Station | Statement: [Chestnut Hill Reservoir, hasNearbyStructure, Chestnut Hill Pumping Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chestnut Hill Pumping Station Context triple: [Chestnut Hill Reservoir, hasNearbyStructure, Chestnut Hill Pumping Station]
-
A.
Harvey O. Banks Pumping Plant
The Harvey O. Banks Pumping Plant is a major water pumping facility in California that serves as a key intake and distribution hub for the State Water Project.
-
B.
Chicago Avenue Pumping Station
The Chicago Avenue Pumping Station is a historic 19th-century waterworks building in Chicago, known for its distinctive Gothic Revival architecture and survival of the Great Chicago Fire.
-
C.
Cruquius Pumping Station
Cruquius Pumping Station is a historic 19th-century Dutch steam-powered pumping station, now a museum, renowned for its role in draining the Haarlemmermeer lake and showcasing monumental industrial engineering.
-
D.
Jones Pumping Plant
Jones Pumping Plant is a major water pumping facility in California’s Central Valley that lifts and conveys water from the Sacramento-San Joaquin Delta into the Central Valley Project’s distribution system.
-
E.
Edmonston Pumping Plant
Edmonston Pumping Plant is a major California water infrastructure facility that lifts water over the Tehachapi Mountains, enabling its delivery from Northern to Southern California.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Chestnut Hill Pumping Station Triple: [Chestnut Hill Reservoir, hasNearbyStructure, Chestnut Hill Pumping Station]
Generated description
Chestnut Hill Pumping Station is a historic waterworks facility in Boston, Massachusetts, notable for its role in the city’s 19th- and early 20th-century public water supply system and its distinctive Romanesque Revival architecture.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chestnut Hill Pumping Station Target entity description: Chestnut Hill Pumping Station is a historic waterworks facility in Boston, Massachusetts, notable for its role in the city’s 19th- and early 20th-century public water supply system and its distinctive Romanesque Revival architecture.
-
A.
Harvey O. Banks Pumping Plant
The Harvey O. Banks Pumping Plant is a major water pumping facility in California that serves as a key intake and distribution hub for the State Water Project.
-
B.
Chicago Avenue Pumping Station
The Chicago Avenue Pumping Station is a historic 19th-century waterworks building in Chicago, known for its distinctive Gothic Revival architecture and survival of the Great Chicago Fire.
-
C.
Cruquius Pumping Station
Cruquius Pumping Station is a historic 19th-century Dutch steam-powered pumping station, now a museum, renowned for its role in draining the Haarlemmermeer lake and showcasing monumental industrial engineering.
-
D.
Jones Pumping Plant
Jones Pumping Plant is a major water pumping facility in California’s Central Valley that lifts and conveys water from the Sacramento-San Joaquin Delta into the Central Valley Project’s distribution system.
-
E.
Edmonston Pumping Plant
Edmonston Pumping Plant is a major California water infrastructure facility that lifts water over the Tehachapi Mountains, enabling its delivery from Northern to Southern California.
- F. None of above. chosen
Provenance (5 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_69c68a66554c8190add75c65942c0317 |
completed | March 27, 2026, 1:47 p.m. |
| NER | Named-entity recognition | batch_69c6f38af3fc8190bc5c57ca89d976bc |
completed | March 27, 2026, 9:15 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c827b0e9848190b28ff10b12b10a33 |
completed | March 28, 2026, 7:10 p.m. |
| NEDg | Description generation | batch_69c8299bb8c08190a5a78b0c1a8cc0fb |
completed | March 28, 2026, 7:18 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c82ad4384481909616bdfd02624a48 |
completed | March 28, 2026, 7:24 p.m. |
Created at: March 27, 2026, 3:14 p.m.