Triple
T6492169
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ashland Avenue |
E148065
|
entity |
| Predicate | servedByBusRoute |
P14525
|
FINISHED |
| Object | CTA Route X9 Ashland Express |
E595439
|
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: CTA Route X9 Ashland Express | Statement: [Ashland Avenue, servedByBusRoute, CTA Route X9 Ashland Express]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CTA Route X9 Ashland Express Context triple: [Ashland Avenue, servedByBusRoute, CTA Route X9 Ashland Express]
-
A.
CTA Route 9 Ashland
chosen
CTA Route 9 Ashland is a major Chicago Transit Authority bus line that runs along Ashland Avenue, providing north–south service through numerous neighborhoods across the city.
-
B.
CTA Route 201 Central/Ridge
CTA Route 201 Central/Ridge is a Chicago Transit Authority bus route serving Evanston and nearby North Shore communities, connecting key local destinations and transit hubs including the Davis station.
-
C.
CTA Route 93 California/Dodge
CTA Route 93 California/Dodge is a Chicago Transit Authority bus route that runs along California and Dodge avenues, providing local north–south service and connections to the CTA rail system.
-
D.
CTA Pink Line
The CTA Pink Line is a rapid transit route in Chicago's 'L' system that connects the city's West Side neighborhoods with the downtown Loop.
-
E.
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.
- 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_69c009088f3081909cd467b05919de30 |
completed | March 22, 2026, 3:21 p.m. |
| NER | Named-entity recognition | batch_69c06a9bf9208190b0957eda06ed3d65 |
completed | March 22, 2026, 10:18 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c65fdc835081909772f3a3aaee538f |
completed | March 27, 2026, 10:45 a.m. |
Created at: March 22, 2026, 4:53 p.m.