Triple
T16862871
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lincoln Park neighborhood |
E409963
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Chicago Transit Authority Purple Line (rush hours) |
E81356
|
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 Purple Line (rush hours) | Statement: [Lincoln Park neighborhood, servedBy, Chicago Transit Authority Purple Line (rush hours)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago Transit Authority Purple Line (rush hours) Context triple: [Lincoln Park neighborhood, servedBy, Chicago Transit Authority Purple Line (rush hours)]
-
A.
Chicago Transit Authority Purple Line stations
Chicago Transit Authority Purple Line stations are the rapid transit stops in the Chicago 'L' system served by the Purple Line, which runs between the northern suburbs and downtown Chicago.
-
B.
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.
-
C.
Brown Line and Purple Line Express
Brown Line and Purple Line Express are Chicago 'L' rapid transit services that share tracks on the city's North Side, with the Purple Line Express providing weekday rush-hour service to and from downtown.
-
D.
Red Line and Purple Line
The Red Line and Purple Line are two Chicago 'L' rapid transit routes that share tracks along the North Side and provide commuter service between the city and northern suburbs.
-
E.
Purple Line (CTA)
chosen
The Purple Line (CTA) is a rapid transit route in Chicago primarily serving the northern suburbs and Evanston, with 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_69d88395e6c88190b22730f335107c14 |
completed | April 10, 2026, 4:59 a.m. |
| NER | Named-entity recognition | batch_69e3b50488fc8190b3b646543c3ba476 |
completed | April 18, 2026, 4:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00bb274ba48190951acde0821e05a0 |
completed | May 10, 2026, 5:06 p.m. |
Created at: April 10, 2026, 5:24 a.m.