Triple
T3584161
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Salem Harbor |
E75870
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object |
Salem Harbor Power Station
Salem Harbor Power Station is a former coal- and oil-fired power plant in Salem, Massachusetts, that was a prominent industrial feature of the city’s waterfront before its decommissioning and redevelopment.
|
E371841
|
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: Salem Harbor Power Station | Statement: [Salem Harbor, hasLandmark, Salem Harbor Power Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Salem Harbor Power Station Context triple: [Salem Harbor, hasLandmark, Salem Harbor Power Station]
-
A.
Alexander Generating Station
Alexander Generating Station is a hydroelectric power facility located on the Nipigon River in Ontario, Canada, that generates electricity from the river’s flow.
-
B.
Salem Nuclear Power Plant
Salem Nuclear Power Plant is a commercial nuclear power station in Lower Alloways Creek Township, New Jersey, that generates electricity using pressurized water reactors along the Delaware River.
-
C.
Kingston Fossil Plant
Kingston Fossil Plant is a large coal-fired power plant operated by the Tennessee Valley Authority, known for its significant electricity generation and for a major coal ash spill in 2008.
-
D.
Pickering Nuclear Generating Station
Pickering Nuclear Generating Station is a large Canadian nuclear power plant on the shore of Lake Ontario that has been a major source of electricity for the Greater Toronto Area.
-
E.
Lewiston Pump-Generating Plant
The Lewiston Pump-Generating Plant is a hydroelectric pumped-storage facility near Niagara Falls that works in tandem with the Robert Moses Niagara Power Plant to balance electricity supply and demand.
- 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: Salem Harbor Power Station Triple: [Salem Harbor, hasLandmark, Salem Harbor Power Station]
Generated description
Salem Harbor Power Station is a former coal- and oil-fired power plant in Salem, Massachusetts, that was a prominent industrial feature of the city’s waterfront before its decommissioning and redevelopment.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Salem Harbor Power Station Target entity description: Salem Harbor Power Station is a former coal- and oil-fired power plant in Salem, Massachusetts, that was a prominent industrial feature of the city’s waterfront before its decommissioning and redevelopment.
-
A.
Alexander Generating Station
Alexander Generating Station is a hydroelectric power facility located on the Nipigon River in Ontario, Canada, that generates electricity from the river’s flow.
-
B.
Salem Nuclear Power Plant
Salem Nuclear Power Plant is a commercial nuclear power station in Lower Alloways Creek Township, New Jersey, that generates electricity using pressurized water reactors along the Delaware River.
-
C.
Kingston Fossil Plant
Kingston Fossil Plant is a large coal-fired power plant operated by the Tennessee Valley Authority, known for its significant electricity generation and for a major coal ash spill in 2008.
-
D.
Pickering Nuclear Generating Station
Pickering Nuclear Generating Station is a large Canadian nuclear power plant on the shore of Lake Ontario that has been a major source of electricity for the Greater Toronto Area.
-
E.
Lewiston Pump-Generating Plant
The Lewiston Pump-Generating Plant is a hydroelectric pumped-storage facility near Niagara Falls that works in tandem with the Robert Moses Niagara Power Plant to balance electricity supply and demand.
- 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_69ad85d6dc3c8190b491b79b83e25461 |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adc10f9b508190bde4a4e4711dd452 |
completed | March 8, 2026, 6:33 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b402f7ee6481908d06db05f9c09faf |
completed | March 13, 2026, 12:28 p.m. |
| NEDg | Description generation | batch_69b403acc5e88190bc88bed8259393ba |
completed | March 13, 2026, 12:31 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b40a7f82ac819099c2c324ebff76f7 |
completed | March 13, 2026, 1 p.m. |
Created at: March 8, 2026, 3:21 p.m.