Triple
T732159
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Wellington Bridge |
E14853
|
entity |
| Predicate | crossesAt |
P10257
|
FINISHED |
| Object | Mystic River between Medford and Somerville |
E650
|
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 between Medford and Somerville | Statement: [Wellington Bridge, crossesAt, Mystic River between Medford and Somerville]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mystic River between Medford and Somerville Context triple: [Wellington Bridge, crossesAt, Mystic River between Medford and Somerville]
-
A.
Malden riverfront
Malden riverfront is the developed shoreline area along the Malden River, featuring public access, recreational spaces, and views of the water.
-
B.
Riverside, Newton, Massachusetts
Riverside is a village in the city of Newton, Massachusetts, known primarily as the western terminus and park-and-ride hub of the MBTA Green Line D branch.
-
C.
Manchester-by-the-Sea, Massachusetts
Manchester-by-the-Sea, Massachusetts is a small, affluent coastal town on Cape Ann known for its scenic beaches, historic New England charm, and picturesque harbor.
-
D.
Mystic River Reservation
chosen
Mystic River Reservation is a protected public parkland in Massachusetts featuring natural riverfront habitats, recreational trails, and scenic open spaces along the Mystic River.
-
E.
Revere, Massachusetts
Revere, Massachusetts is a coastal city just north of Boston known for Revere Beach, the oldest public beach in the United States.
- 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: crossesAt Context triple: [Wellington Bridge, crossesAt, Mystic River between Medford and Somerville]
-
A.
crossesBetween
Indicates that one entity passes from one side of a second entity to the other, traversing the space between two reference points or boundaries associated with that second entity.
-
B.
crossesUnder
Indicates that one entity passes beneath another entity’s path or structure, moving from one side to the other without intersecting it at the same elevation.
-
C.
crossesSectionOf
chosen
Indicates that one entity passes through or over a specific segment or portion of another entity.
-
D.
crossedBy
Indicates that one entity (typically a path, line, or boundary) is intersected or traversed by another entity.
-
E.
crossedWith
Indicates that one entity has moved from one side of another entity or boundary to the opposite side, typically by passing over or through it.
- 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_69a4934d9930819099eed80096b0597d |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4a66820548190b373deb117187c2c |
completed | March 1, 2026, 8:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a64a5c9d248190b0bebfd0e999643a |
completed | March 3, 2026, 2:41 a.m. |
| PD | Predicate disambiguation | batch_69a4a4f9b7608190bf97c8418a26e632 |
completed | March 1, 2026, 8:43 p.m. |
Created at: March 1, 2026, 7:37 p.m.