Triple
T9947
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chelsea, Massachusetts |
E201
|
entity |
| Predicate | river |
P165
|
FINISHED |
| Object | Mystic River |
E329
|
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: Mystic River | Statement: [Chelsea, Massachusetts, river, Mystic River]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mystic River Context triple: [Chelsea, Massachusetts, river, Mystic River]
-
A.
Mystic River
chosen
Mystic River is a tidal estuary in the Greater Boston area of Massachusetts, historically significant for shipbuilding and industrial activity along its banks.
-
B.
Glory
"Glory" is an Academy Award–winning civil rights anthem by John Legend and Common, written for the 2014 film *Selma* and celebrated for its powerful commentary on racial justice.
-
C.
Ordinary People
"Ordinary People" is a soulful R&B ballad by John Legend that became one of his signature songs, showcasing his emotive vocals and piano-driven songwriting.
-
D.
Hancock
Hancock is a prominent surname most famously associated with John Hancock, a key figure of the American Revolution and first signer of the United States Declaration of Independence.
-
E.
Stumptown
Stumptown is a historic nickname for Portland, Oregon, referencing the city’s rapid 19th-century growth that left tree stumps scattered throughout the 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: river Context triple: [Chelsea, Massachusetts, river, Mystic River]
-
A.
hasRiver
chosen
Indicates that a location or area contains, is traversed by, or is directly associated with a river.
-
B.
tributary
Indicates that one watercourse flows into and feeds another, contributing its water to a larger stream, river, or lake.
-
C.
crossedByRiver
Indicates that a river passes across or through a specified area, feature, or route.
-
D.
majorPortAtMouth
Indicates that a major port is located at the mouth of a river where it meets a larger body of water.
-
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_69a23bb612708190b09f25385e4b63d1 |
completed | Feb. 28, 2026, 12:49 a.m. |
| NER | Named-entity recognition | batch_69a240b249788190af8dbf7e80e9c91b |
completed | Feb. 28, 2026, 1:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a2552ac50c819085e4e45c00cd7956 |
completed | Feb. 28, 2026, 2:38 a.m. |
| PD | Predicate disambiguation | batch_69a23fe52ec48190a4d24101c91434ed |
completed | Feb. 28, 2026, 1:07 a.m. |
Created at: Feb. 28, 2026, 12:54 a.m.