Triple
T16442196
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Austin, Chicago |
E399331
|
entity |
| Predicate | traversedBy |
P225
|
FINISHED |
| Object | Chicago Transit Authority Blue Line (nearby at border) |
E74942
|
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: Chicago Transit Authority Blue Line (nearby at border) | Statement: [Austin, Chicago, traversedBy, Chicago Transit Authority Blue Line (nearby at border)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago Transit Authority Blue Line (nearby at border) Context triple: [Austin, Chicago, traversedBy, Chicago Transit Authority Blue Line (nearby at border)]
-
A.
Chicago station (Blue Line)
Chicago station (Blue Line) is an underground Chicago 'L' rapid transit station in the city's River West area, serving the Blue Line between downtown and O'Hare International Airport.
-
B.
CTA Blue Line
chosen
The CTA Blue Line is a major Chicago 'L' rapid transit route that runs between O'Hare International Airport, downtown Chicago, and the city's western neighborhoods and suburbs.
-
C.
MAX Blue Line
MAX Blue Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with eastern and western suburbs as part of the region’s MAX Light Rail system.
-
D.
CTA Purple Line
The CTA Purple Line is a rapid transit route in Chicago’s ‘L’ system that primarily serves the northern suburbs and provides express service to downtown during weekday rush hours.
-
E.
Blue Line trains
Blue Line trains are rapid transit trains operating on the MBTA’s Blue Line in the Boston metropolitan area, connecting downtown Boston with East Boston and surrounding coastal neighborhoods.
- 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_69d87f2c6778819080fcfae53be8f12a |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e32ba91dc48190bc35db60f63d36d3 |
completed | April 18, 2026, 6:58 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00458f8f3c8190ad5eff2ad2a32dea |
completed | May 10, 2026, 8:45 a.m. |
Created at: April 10, 2026, 5:10 a.m.