Triple
T14942108
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pink Line at Clark/Lake |
E372555
|
entity |
| Predicate | sharesStationComplexWith |
P37166
|
FINISHED |
| Object |
Purple Line at Clark/Lake
The Purple Line at Clark/Lake is a Chicago 'L' rapid transit service that stops at the downtown Clark/Lake station complex in the Loop.
|
E1134538
|
NE FINISHED |
How this triple was built (4 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: Purple Line at Clark/Lake | Statement: [Pink Line at Clark/Lake, sharesStationComplexWith, Purple Line at Clark/Lake]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Purple Line at Clark/Lake Context triple: [Pink Line at Clark/Lake, sharesStationComplexWith, Purple Line at Clark/Lake]
-
A.
Blue Line at Clark/Lake
The Blue Line at Clark/Lake is a major Chicago 'L' rapid transit stop in the Loop, serving the Blue Line within the large Clark/Lake station complex.
-
B.
Pink Line at Clark/Lake
The Pink Line at Clark/Lake is a Chicago 'L' rapid transit service stop in the downtown Loop where Pink Line trains share the large multi-line Clark/Lake station complex.
-
C.
Orange Line at Clark/Lake
The Orange Line at Clark/Lake is a Chicago 'L' rapid transit route serving the Loop and Midway Airport, intersecting multiple CTA lines at the busy Clark/Lake station.
-
D.
Green Line at Clark/Lake
The Green Line at Clark/Lake is a major Chicago 'L' station in the Loop where Green Line trains share a busy downtown transfer hub with multiple other CTA rail lines.
-
E.
Red Line northwest branch
The Red Line northwest branch is a planned rapid transit extension serving the northwestern suburbs as part of the Red Line’s expanded corridor.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Purple Line at Clark/Lake Triple: [Pink Line at Clark/Lake, sharesStationComplexWith, Purple Line at Clark/Lake]
Generated description
The Purple Line at Clark/Lake is a Chicago 'L' rapid transit service that stops at the downtown Clark/Lake station complex in the Loop.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Purple Line at Clark/Lake Target entity description: The Purple Line at Clark/Lake is a Chicago 'L' rapid transit service that stops at the downtown Clark/Lake station complex in the Loop.
-
A.
Blue Line at Clark/Lake
The Blue Line at Clark/Lake is a major Chicago 'L' rapid transit stop in the Loop, serving the Blue Line within the large Clark/Lake station complex.
-
B.
Pink Line at Clark/Lake
The Pink Line at Clark/Lake is a Chicago 'L' rapid transit service stop in the downtown Loop where Pink Line trains share the large multi-line Clark/Lake station complex.
-
C.
Orange Line at Clark/Lake
The Orange Line at Clark/Lake is a Chicago 'L' rapid transit route serving the Loop and Midway Airport, intersecting multiple CTA lines at the busy Clark/Lake station.
-
D.
Green Line at Clark/Lake
The Green Line at Clark/Lake is a major Chicago 'L' station in the Loop where Green Line trains share a busy downtown transfer hub with multiple other CTA rail lines.
-
E.
Red Line northwest branch
The Red Line northwest branch is a planned rapid transit extension serving the northwestern suburbs as part of the Red Line’s expanded corridor.
- F. None of above. chosen
Provenance (5 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_69d85cc9da0c81908d583ca3f63a3908 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69ded68c1df0819084c0cd61b207d398 |
completed | April 15, 2026, 12:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fea5a8b3708190be7c35a05fd08a52 |
completed | May 9, 2026, 3:10 a.m. |
| NEDg | Description generation | batch_69fea694090c8190a449725dcdd3a37b |
completed | May 9, 2026, 3:14 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fea76e2ff8819099acea30c49bd5ed |
completed | May 9, 2026, 3:18 a.m. |
Created at: April 10, 2026, 2:38 a.m.