Triple
T6191826
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | SL2 |
E138406
|
entity |
| Predicate | connectsCorridor |
P5520
|
FINISHED |
| Object | South Station–Seaport corridor |
E157161
|
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: South Station–Seaport corridor | Statement: [SL2, connectsCorridor, South Station–Seaport corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: South Station–Seaport corridor Context triple: [SL2, connectsCorridor, South Station–Seaport corridor]
-
A.
South Boston Transitway
chosen
The South Boston Transitway is an underground bus rapid transit tunnel in Boston that carries MBTA Silver Line routes between South Station and the Seaport District.
-
B.
Lowell Line
The Lowell Line is a Massachusetts Bay Transportation Authority commuter rail route that runs between Boston’s North Station and the city of Lowell, serving communities in the Merrimack Valley.
-
C.
Green Line West Branch
The Green Line West Branch is a segment of Chicago's 'L' rapid transit system that carries Green Line trains between Harlem/Lake and Ashland/63rd on the city's West Side.
-
D.
MBTA Ashmont Branch
The MBTA Ashmont Branch is a rapid transit line of Boston’s Red Line that runs from JFK/UMass station through Dorchester to Ashmont, serving several southern neighborhoods of the city.
-
E.
Mill Plain Boulevard corridor
The Mill Plain Boulevard corridor is a major east–west arterial route in Vancouver, Washington, serving as a key commercial and transit spine through the city.
- 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_69c008ab9b3081908a11b2c744838435 |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c06241977c81909ab8486f5aa30be0 |
completed | March 22, 2026, 9:42 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c16f1403888190b558a43998fa5d05 |
completed | March 23, 2026, 4:49 p.m. |
Created at: March 22, 2026, 4:19 p.m.