Triple
T10567587
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Civic Center station |
E249389
|
entity |
| Predicate | serves |
P98
|
FINISHED |
| Object | St. Louis MetroLink Red Line |
E858539
|
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: St. Louis MetroLink Red Line | Statement: [Civic Center station, serves, St. Louis MetroLink Red Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: St. Louis MetroLink Red Line Context triple: [Civic Center station, serves, St. Louis MetroLink Red Line]
-
A.
Red Line (St. Louis MetroLink)
chosen
The Red Line is one of the primary light rail routes in the St. Louis MetroLink system, running between Lambert–St. Louis International Airport and Shiloh-Scott in Illinois and serving many of the region’s key destinations.
-
B.
Blue Line (St. Louis MetroLink)
The Blue Line is one of the two primary light rail routes in the St. Louis MetroLink system, providing service between downtown St. Louis and the western suburbs.
-
C.
Central Corridor of St. Louis
The Central Corridor of St. Louis is a major urban spine running through the city that encompasses several of its most prominent neighborhoods, cultural institutions, and employment centers.
-
D.
METRORail Red Line
The METRORail Red Line is a light rail line in Houston, Texas, running through key central areas including downtown and the Museum District.
-
E.
RTA Blue Line
RTA Blue Line is a light rail transit route in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key corridors between downtown and the eastern suburbs.
- 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_69d381c8bd708190acf3d275c908251e |
completed | April 6, 2026, 9:50 a.m. |
| NER | Named-entity recognition | batch_69d5272ef5848190b76d671ea2d26314 |
completed | April 7, 2026, 3:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d94b42879481909f9c98b2579c10a1 |
completed | April 10, 2026, 7:10 p.m. |
Created at: April 6, 2026, 12:36 p.m.