Triple
T1620185
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Union Station (St. Louis) |
E35011
|
entity |
| Predicate | publicTransitAccess |
P1288
|
FINISHED |
| Object | MetroLink (Union Station stop) |
E34297
|
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: MetroLink (Union Station stop) | Statement: [Union Station (St. Louis), publicTransitAccess, MetroLink (Union Station stop)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MetroLink (Union Station stop) Context triple: [Union Station (St. Louis), publicTransitAccess, MetroLink (Union Station stop)]
-
A.
Metrolink at Union Station
Metrolink at Union Station is the Southern California regional commuter rail service hub located at Los Angeles Union Station, providing connections between multiple counties and local transit lines.
-
B.
MetroLink light rail
chosen
MetroLink light rail is the bi-state light rail transit system serving the Greater St. Louis area, providing regional passenger rail service across parts of Missouri and Illinois.
-
C.
Ballston–MU station
Ballston–MU station is an underground Washington Metro station in Arlington, Virginia, serving the Orange and Silver Lines and the Ballston neighborhood near Marymount University.
-
D.
South Boulevard station
South Boulevard station is a Chicago Transit Authority 'L' rapid transit stop on the Purple Line serving the Evanston area just north of Chicago.
-
E.
Austin station (Blue Line)
Austin station (Blue Line) is an elevated Chicago Transit Authority rapid transit stop serving the Blue Line in the city's Austin neighborhood.
- 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_69a886023194819080a3fccd6e325d0e |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69a909b0738c8190b073e0ccec5e217d |
completed | March 5, 2026, 4:42 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad51d2cbb481908bc74cecdc023547 |
completed | March 8, 2026, 10:39 a.m. |
Created at: March 4, 2026, 7:28 p.m.