Triple
T10281963
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 111th Street–Morgan Park station |
E241120
|
entity |
| Predicate | lineTerminusDirection |
P3384
|
FINISHED |
| Object | Rock Island District line toward Joliet |
E149067
|
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: Rock Island District line toward Joliet | Statement: [111th Street–Morgan Park station, lineTerminusDirection, Rock Island District line toward Joliet]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rock Island District line toward Joliet Context triple: [111th Street–Morgan Park station, lineTerminusDirection, Rock Island District line toward Joliet]
-
A.
Rock Island District main line
The Rock Island District main line is a primary Metra commuter rail route in the Chicago area, running between downtown Chicago and its southwestern suburbs.
-
B.
Heritage Corridor (via Joliet)
Heritage Corridor (via Joliet) is a Metra commuter rail line in the Chicago area that runs between Chicago Union Station and Joliet, primarily following the former Gulf, Mobile and Ohio Railroad route.
-
C.
Chicago–La Grange corridor
The Chicago–La Grange corridor is a key suburban rail route west of Chicago that has long served as a major commuter link between the city and its western suburbs.
-
D.
Chicago–Joliet corridor
The Chicago–Joliet corridor is a major commuter and freight rail route in northeastern Illinois connecting the city of Chicago with the city of Joliet through multiple suburban communities.
-
E.
Metra Rock Island District line
chosen
The Metra Rock Island District line is a commuter rail route in the Chicago metropolitan area that connects downtown Chicago with various southwest suburbs, including Tinley 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_69d381a94c1881908fc38fc263d9b9c2 |
completed | April 6, 2026, 9:49 a.m. |
| NER | Named-entity recognition | batch_69d4d2a177b48190aab7d7857f5bba7b |
completed | April 7, 2026, 9:47 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d6f8352a108190b3692a2de3cb4dea |
completed | April 9, 2026, 12:52 a.m. |
Created at: April 6, 2026, 11:39 a.m.