Triple
T21577982
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Transportation in Middlesex County, Massachusetts |
E532448
|
entity |
| Predicate | containsFacility |
P12416
|
FINISHED |
| Object | Harvard Station |
—
|
NE NERFINISHED |
How this triple was built (2 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: Harvard Station | Statement: [Transportation in Middlesex County, Massachusetts, containsFacility, Harvard Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Harvard Station Context triple: [Transportation in Middlesex County, Massachusetts, containsFacility, Harvard Station]
-
A.
Weston Station
Weston Station is a commuter rail station in Toronto, Ontario, serving as a stop on the Union Pearson Express line between downtown Toronto and Pearson International Airport.
-
B.
Andover station
Andover station is a commuter rail stop in Andover, Massachusetts, served by the MBTA on its route between Boston and Haverhill.
-
C.
Harvard station
chosen
Harvard station is a major Red Line subway and bus hub on the Massachusetts Bay Transportation Authority (MBTA) system located in Harvard Square in Cambridge, Massachusetts.
-
D.
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.
-
E.
Stoughton Station
Stoughton Station is a Massachusetts Bay Transportation Authority commuter rail station in Stoughton, Massachusetts, serving as the endpoint for trains on the Providence/Stoughton Line.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e0c4618bec8190bcb0feb74568cbb1 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69eeeb59cee08190aae55ad6e2a4e077 |
completed | April 27, 2026, 4:51 a.m. |
Created at: April 16, 2026, 6:31 p.m.