Triple
T10146539
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Merrimack River watershed |
E231719
|
entity |
| Predicate | containsWaterBody |
P1778
|
FINISHED |
| Object |
Sudbury Reservoir
The Sudbury Reservoir is a large man-made drinking water reservoir in Massachusetts that serves as part of the greater Boston area's public water supply system.
|
E848568
|
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: Sudbury Reservoir | Statement: [Merrimack River watershed, containsWaterBody, Sudbury Reservoir]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sudbury Reservoir Context triple: [Merrimack River watershed, containsWaterBody, Sudbury Reservoir]
-
A.
Norris Reservoir
Norris Reservoir is a large man-made lake in eastern Tennessee created by the Norris Dam on the Clinch River, popular for recreation, fishing, and hydroelectric power generation.
-
B.
Fells Reservoir
Fells Reservoir is a man-made water body in Massachusetts that serves as part of the regional water supply and recreational landscape within the Middlesex Fells Reservation.
-
C.
Bethany Reservoir
Bethany Reservoir is a man-made water storage facility in California that serves as a key forebay and regulating reservoir for the State Water Project’s South Bay Aqueduct.
-
D.
Williamsbridge Reservoir
Williamsbridge Reservoir was a former water storage facility in the Bronx, New York City, that played a key role in the borough’s 19th- and early 20th-century water supply system.
-
E.
Greenbooth Reservoir
Greenbooth Reservoir is a man-made lake near Norden in Greater Manchester, England, known for its scenic walking routes and surrounding moorland landscapes.
- 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: Sudbury Reservoir Triple: [Merrimack River watershed, containsWaterBody, Sudbury Reservoir]
Generated description
The Sudbury Reservoir is a large man-made drinking water reservoir in Massachusetts that serves as part of the greater Boston area's public water supply system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sudbury Reservoir Target entity description: The Sudbury Reservoir is a large man-made drinking water reservoir in Massachusetts that serves as part of the greater Boston area's public water supply system.
-
A.
Norris Reservoir
Norris Reservoir is a large man-made lake in eastern Tennessee created by the Norris Dam on the Clinch River, popular for recreation, fishing, and hydroelectric power generation.
-
B.
Fells Reservoir
Fells Reservoir is a man-made water body in Massachusetts that serves as part of the regional water supply and recreational landscape within the Middlesex Fells Reservation.
-
C.
Bethany Reservoir
Bethany Reservoir is a man-made water storage facility in California that serves as a key forebay and regulating reservoir for the State Water Project’s South Bay Aqueduct.
-
D.
Williamsbridge Reservoir
Williamsbridge Reservoir was a former water storage facility in the Bronx, New York City, that played a key role in the borough’s 19th- and early 20th-century water supply system.
-
E.
Greenbooth Reservoir
Greenbooth Reservoir is a man-made lake near Norden in Greater Manchester, England, known for its scenic walking routes and surrounding moorland landscapes.
- 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_69ca848364f881908a24366a6feec1db |
completed | March 30, 2026, 2:11 p.m. |
| NER | Named-entity recognition | batch_69cdebffb7688190b5def02f72154b14 |
completed | April 2, 2026, 4:09 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d3699166dc81908643c52879405718 |
completed | April 6, 2026, 8:06 a.m. |
| NEDg | Description generation | batch_69d37540b60c8190a52b03c57b4e3708 |
completed | April 6, 2026, 8:56 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d3763948188190a47f48076fc767cb |
completed | April 6, 2026, 9 a.m. |
Created at: March 30, 2026, 9:07 p.m.