Triple
T10105181
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Acton station |
E216299
|
entity |
| Predicate | hasAdjacentStation |
P231
|
FINISHED |
| Object | Littleton/Route 495 station |
E33296
|
NE FINISHED |
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: Littleton/Route 495 station | Statement: [South Acton station, hasAdjacentStation, Littleton/Route 495 station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Littleton/Route 495 station Context triple: [South Acton station, hasAdjacentStation, Littleton/Route 495 station]
-
A.
Littleton/Route 495 station
chosen
Littleton/Route 495 station is a Massachusetts Bay Transportation Authority commuter rail stop in Littleton, Massachusetts, serving the Fitchburg Line near Interstate 495.
-
B.
Rowayton station
Rowayton station is a commuter rail stop on the Metro-North Railroad New Haven Line serving the Rowayton neighborhood of Norwalk, Connecticut.
-
C.
Draper Town Center station
Draper Town Center station is a light rail station in Draper, Utah, serving as a southern terminus on the Utah Transit Authority’s TRAX system.
-
D.
Medford/Tufts station
Medford/Tufts station is a Massachusetts Bay Transportation Authority light rail station in Medford serving Tufts University and the surrounding area.
-
E.
Malden Center station
Malden Center station is a major transit hub in Malden, Massachusetts, serving both MBTA Orange Line subway and commuter rail services.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ca83d039f08190b9d10363221c69fb |
completed | March 30, 2026, 2:08 p.m. |
| NER | Named-entity recognition | batch_69cdd09dde888190bb550a3cd0b204fe |
completed | April 2, 2026, 2:12 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d2e59ec83c8190a79fbb0d0de90310 |
completed | April 5, 2026, 10:43 p.m. |
Created at: March 30, 2026, 9:03 p.m.