Triple
T20656723
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Boston, Revere Beach and Lynn Railroad |
E507644
|
entity |
| Predicate | servedStation |
P726
|
FINISHED |
| Object | Winthrop Junction |
—
|
NE NERFINISHED |
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: Winthrop Junction | Statement: [Boston, Revere Beach and Lynn Railroad, servedStation, Winthrop Junction]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Winthrop Junction Context triple: [Boston, Revere Beach and Lynn Railroad, servedStation, Winthrop Junction]
-
A.
Boylston
Boylston is an MBTA Green Line subway station located near Boston Common in downtown Boston, Massachusetts.
-
B.
Salem Junction
Salem Junction is a major railway station and transit hub in Salem, Tamil Nadu, connecting the city to numerous regional and long-distance rail routes across India.
-
C.
Waltham
Waltham is a village in North East Lincolnshire, England, situated near the seaside resort of Cleethorpes.
-
D.
Westfield, Massachusetts
Westfield, Massachusetts is a small city in western Massachusetts known for its historic downtown, proximity to the Berkshires, and home to Westfield State University.
-
E.
Needham Junction
Needham Junction is a neighborhood and commuter rail station area in Needham, Massachusetts, known for its role as a local transit hub.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Winthrop Junction Target entity description: Winthrop Junction was a former railroad junction and station in Winthrop, Massachusetts, that connected local rail service to the Boston, Revere Beach and Lynn Railroad network.
-
A.
Boylston
Boylston is an MBTA Green Line subway station located near Boston Common in downtown Boston, Massachusetts.
-
B.
Salem Junction
Salem Junction is a major railway station and transit hub in Salem, Tamil Nadu, connecting the city to numerous regional and long-distance rail routes across India.
-
C.
Waltham
Waltham is a village in North East Lincolnshire, England, situated near the seaside resort of Cleethorpes.
-
D.
Westfield, Massachusetts
Westfield, Massachusetts is a small city in western Massachusetts known for its historic downtown, proximity to the Berkshires, and home to Westfield State University.
-
E.
Needham Junction
Needham Junction is a neighborhood and commuter rail station area in Needham, Massachusetts, known for its role as a local transit hub.
- F. None of above. chosen
Provenance (2 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_69e0b4bf58c081908e52a4500e03ff83 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6b2ee049081909904efe2dc683cd5 |
completed | April 20, 2026, 11:12 p.m. |
Created at: April 16, 2026, 11:43 a.m.