Triple
T15555849
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Orange Line at Clark/Lake |
E370865
|
entity |
| Predicate | intersectsLine |
P50696
|
FINISHED |
| Object |
CTA Green Line at Clark/Lake
CTA Green Line at Clark/Lake is a major elevated Chicago 'L' station in the Loop where Green Line trains share a busy downtown transfer hub with multiple other CTA lines.
|
E1169220
|
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: CTA Green Line at Clark/Lake | Statement: [Orange Line at Clark/Lake, intersectsLine, CTA Green Line at Clark/Lake]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CTA Green Line at Clark/Lake Context triple: [Orange Line at Clark/Lake, intersectsLine, CTA Green Line at Clark/Lake]
-
A.
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.
-
B.
Brown Line at Clark/Lake
Brown Line at Clark/Lake is a Chicago 'L' rapid transit station stop on the Brown Line located within the major multi-line Clark/Lake station complex in downtown Chicago.
-
C.
CTA Green Line
The CTA Green Line is one of Chicago's elevated rapid transit routes, running primarily along the city's West and South Sides and serving the downtown Loop.
-
D.
CTA Brown Line
The CTA Brown Line is a Chicago 'L' rapid transit route that runs from the city's Northwest Side into the downtown Loop, serving numerous residential and commercial neighborhoods.
-
E.
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.
- 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: CTA Green Line at Clark/Lake Triple: [Orange Line at Clark/Lake, intersectsLine, CTA Green Line at Clark/Lake]
Generated description
CTA Green Line at Clark/Lake is a major elevated Chicago 'L' station in the Loop where Green Line trains share a busy downtown transfer hub with multiple other CTA lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: CTA Green Line at Clark/Lake Target entity description: CTA Green Line at Clark/Lake is a major elevated Chicago 'L' station in the Loop where Green Line trains share a busy downtown transfer hub with multiple other CTA lines.
-
A.
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.
-
B.
Brown Line at Clark/Lake
Brown Line at Clark/Lake is a Chicago 'L' rapid transit station stop on the Brown Line located within the major multi-line Clark/Lake station complex in downtown Chicago.
-
C.
CTA Green Line
The CTA Green Line is one of Chicago's elevated rapid transit routes, running primarily along the city's West and South Sides and serving the downtown Loop.
-
D.
CTA Brown Line
The CTA Brown Line is a Chicago 'L' rapid transit route that runs from the city's Northwest Side into the downtown Loop, serving numerous residential and commercial neighborhoods.
-
E.
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.
- 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_69d85cc6cf40819091f4a5facee1ebe6 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69e04a97dbfc8190a98cbbac5e71ba88 |
completed | April 16, 2026, 2:34 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff67830b4c8190a8c3f2168d8c2ec7 |
completed | May 9, 2026, 4:57 p.m. |
| NEDg | Description generation | batch_69ff6883b5048190b64e4361bc89dd80 |
completed | May 9, 2026, 5:01 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ff6911a76c819088c8a86d2106b6c6 |
completed | May 9, 2026, 5:04 p.m. |
Created at: April 10, 2026, 4:09 a.m.