Triple
T16578
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mystic River |
E329
|
entity |
| Predicate | tributaryOf |
P415
|
FINISHED |
| Object | Boston Harbor |
E12045
|
NE FINISHED |
How this triple was built (3 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: Boston Harbor | Statement: [Mystic River, tributaryOf, Boston Harbor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boston Harbor Context triple: [Mystic River, tributaryOf, Boston Harbor]
-
A.
Boston Harbor
chosen
Boston Harbor is a natural harbor and estuary of Massachusetts Bay that serves as the historic maritime gateway to the city of Boston and a major hub of shipping, recreation, and coastal ecology in New England.
-
B.
Massachusetts Bay
Massachusetts Bay is a large inlet of the Atlantic Ocean on the eastern coast of Massachusetts, historically significant as the site of early English colonial settlement in New England.
-
C.
Boston Fish Pier
Boston Fish Pier is a historic waterfront complex in Boston known as a longtime hub for the city’s commercial fishing and seafood industry.
-
D.
Lynn Harbor
Lynn Harbor is a coastal inlet and harbor area along the Atlantic Ocean in Lynn, Massachusetts, used historically and presently for maritime and recreational activities.
-
E.
Port of Boston
The Port of Boston is a major New England seaport and transportation hub handling cargo, cruise ships, and maritime commerce for the Boston metropolitan area.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: tributaryOf Context triple: [Mystic River, tributaryOf, Boston Harbor]
-
A.
tributary
chosen
Indicates that one watercourse flows into and feeds another, contributing its water to a larger stream, river, or lake.
-
B.
hasRiver
Indicates that a location or area contains, is traversed by, or is directly associated with a river.
-
C.
cityAtMouth
Indicates that a city is located at or very near the mouth (outlet) of a river.
-
D.
basinCountry
Indicates the country or countries within whose territory a river basin or drainage area is primarily located or through which it significantly extends.
-
E.
locatedAcrossRiverFrom
Indicates that one entity is situated on the opposite side of a river relative to another entity.
- F. None of above.
Provenance (4 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_69a23d7ad88c8190bffe8ab091d86642 |
completed | Feb. 28, 2026, 12:57 a.m. |
| NER | Named-entity recognition | batch_69a241ea1ea081908e8a81ca97531ba5 |
completed | Feb. 28, 2026, 1:16 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a29172b5b4819080efd4fe0d9658c6 |
completed | Feb. 28, 2026, 6:55 a.m. |
| PD | Predicate disambiguation | batch_69a23fec1fe8819080da6f2c745dc8fd |
completed | Feb. 28, 2026, 1:07 a.m. |
Created at: Feb. 28, 2026, 1:02 a.m.