Triple
T22923566
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lake Street branch |
E569229
|
entity |
| Predicate | formerlyKnownAs |
P65
|
FINISHED |
| Object | Lake Street Elevated |
E1564736
|
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: Lake Street Elevated | Statement: [Lake Street branch, formerlyKnownAs, Lake Street Elevated]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Street Elevated Context triple: [Lake Street branch, formerlyKnownAs, Lake Street Elevated]
-
A.
Lake Street Elevated
chosen
Lake Street Elevated is a historic elevated railway structure in Chicago that carries the Green Line’s Lake Street branch above city streets.
-
B.
Washington Street Elevated
Washington Street Elevated was a former elevated rapid transit line in Boston that once carried Orange Line trains along Washington Street through several neighborhoods.
-
C.
Lake Street
Lake Street is a major east–west thoroughfare in Chicago, Illinois, known for running through the downtown Loop and carrying portions of the city’s elevated “L” train tracks.
-
D.
Lake Shore Drive
Lake Shore Drive is a major scenic expressway running along the Lake Michigan shoreline in Chicago, known for connecting the city’s lakefront parks, beaches, and downtown.
-
E.
Lake Drive
Lake Drive is a local access road serving the Sibbald Point area, providing the main route for vehicles traveling to and from the lakeside community and park.
- 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_69e2458f7d008190901dccbaebeaba24 |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f180d7973c8190b09a5690fd1d3f28 |
completed | April 29, 2026, 3:53 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0bf294e4308190bf7c7ae15c6be18d |
completed | May 19, 2026, 5:18 a.m. |
Created at: April 17, 2026, 3:43 p.m.