Triple
T608505
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Boston Harbor |
E12045
|
entity |
| Predicate | hasFacility |
P105
|
FINISHED |
| Object |
Massachusetts Water Resources Authority Deer Island Treatment Plant
The Massachusetts Water Resources Authority Deer Island Treatment Plant is a major wastewater treatment facility in Boston Harbor that plays a central role in treating sewage and improving water quality for the Greater Boston area.
|
E14601
|
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: Massachusetts Water Resources Authority Deer Island Treatment Plant | Statement: [Boston Harbor, hasFacility, Massachusetts Water Resources Authority Deer Island Treatment Plant]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Massachusetts Water Resources Authority Deer Island Treatment Plant Context triple: [Boston Harbor, hasFacility, Massachusetts Water Resources Authority Deer Island Treatment Plant]
-
A.
Massachusetts Water Resources Authority
The Massachusetts Water Resources Authority is a public agency responsible for providing wholesale water and sewer services, including drinking water supply and wastewater treatment, to communities in the Greater Boston area.
-
B.
Croton Water Filtration Plant
The Croton Water Filtration Plant is a major underground water treatment facility in New York City that filters and improves drinking water drawn from the Croton water supply system.
-
C.
Tracy Pumping Plant
Tracy Pumping Plant is a major water pumping facility in California that lifts and conveys water from the Sacramento–San Joaquin Delta into the Central Valley Project’s distribution system.
-
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.
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.
- 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: Massachusetts Water Resources Authority Deer Island Treatment Plant Triple: [Boston Harbor, hasFacility, Massachusetts Water Resources Authority Deer Island Treatment Plant]
Generated description
The Massachusetts Water Resources Authority Deer Island Treatment Plant is a major wastewater treatment facility in Boston Harbor that plays a central role in treating sewage and improving water quality for the Greater Boston area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Massachusetts Water Resources Authority Deer Island Treatment Plant Target entity description: The Massachusetts Water Resources Authority Deer Island Treatment Plant is a major wastewater treatment facility in Boston Harbor that plays a central role in treating sewage and improving water quality for the Greater Boston area.
-
A.
Massachusetts Water Resources Authority
chosen
The Massachusetts Water Resources Authority is a public agency responsible for providing wholesale water and sewer services, including drinking water supply and wastewater treatment, to communities in the Greater Boston area.
-
B.
Croton Water Filtration Plant
The Croton Water Filtration Plant is a major underground water treatment facility in New York City that filters and improves drinking water drawn from the Croton water supply system.
-
C.
Tracy Pumping Plant
Tracy Pumping Plant is a major water pumping facility in California that lifts and conveys water from the Sacramento–San Joaquin Delta into the Central Valley Project’s distribution system.
-
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.
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.
- F. None of above.
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_69a493309df48190a327f748e88049a6 |
completed | March 1, 2026, 7:27 p.m. |
| NER | Named-entity recognition | batch_69a49df54eec8190af3f5f04c01d5d2a |
completed | March 1, 2026, 8:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a52925321c8190a0d1df7a58096c4e |
completed | March 2, 2026, 6:07 a.m. |
| NEDg | Description generation | batch_69a529ffc0cc8190b42f4bde8860deeb |
completed | March 2, 2026, 6:11 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a52a4d52f08190b79b290372da94b3 |
completed | March 2, 2026, 6:12 a.m. |
Created at: March 1, 2026, 7:35 p.m.