Triple
T4880673
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | LaSalle/Van Buren station |
E109315
|
entity |
| Predicate | category |
P87
|
FINISHED |
| Object |
Chicago Transit Authority Orange Line stations
Chicago Transit Authority Orange Line stations are the rapid transit stops in Chicago served by the CTA’s Orange Line, which connects the Loop with Midway International Airport and surrounding neighborhoods.
|
E83922
|
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: Chicago Transit Authority Orange Line stations | Statement: [LaSalle/Van Buren station, category, Chicago Transit Authority Orange Line stations]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago Transit Authority Orange Line stations Context triple: [LaSalle/Van Buren station, category, Chicago Transit Authority Orange Line stations]
-
A.
Chicago Transit Authority Green Line stations
Chicago Transit Authority Green Line stations are the train stops served by the Green Line of Chicago’s ‘L’ rapid transit system.
-
B.
Chicago Transit Authority Brown Line stations
Chicago Transit Authority Brown Line stations are the elevated and subway train stops in Chicago that serve the Brown Line route of the city’s “L” rapid transit system.
-
C.
Chicago Transit Authority Pink Line stations
Chicago Transit Authority Pink Line stations are the rapid transit stops along the CTA’s Pink Line, serving neighborhoods from the Near West Side of Chicago out to its western terminus.
-
D.
CTA Orange Line
The CTA Orange Line is a Chicago 'L' rapid transit route that runs between the Loop and Midway International Airport, serving the city's Southwest Side.
-
E.
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.
- 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: Chicago Transit Authority Orange Line stations Triple: [LaSalle/Van Buren station, category, Chicago Transit Authority Orange Line stations]
Generated description
Chicago Transit Authority Orange Line stations are the rapid transit stops in Chicago served by the CTA’s Orange Line, which connects the Loop with Midway International Airport and surrounding neighborhoods.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chicago Transit Authority Orange Line stations Target entity description: Chicago Transit Authority Orange Line stations are the rapid transit stops in Chicago served by the CTA’s Orange Line, which connects the Loop with Midway International Airport and surrounding neighborhoods.
-
A.
Chicago Transit Authority Green Line stations
Chicago Transit Authority Green Line stations are the train stops served by the Green Line of Chicago’s ‘L’ rapid transit system.
-
B.
Chicago Transit Authority Brown Line stations
Chicago Transit Authority Brown Line stations are the elevated and subway train stops in Chicago that serve the Brown Line route of the city’s “L” rapid transit system.
-
C.
Chicago Transit Authority Pink Line stations
Chicago Transit Authority Pink Line stations are the rapid transit stops along the CTA’s Pink Line, serving neighborhoods from the Near West Side of Chicago out to its western terminus.
-
D.
CTA Orange Line
chosen
The CTA Orange Line is a Chicago 'L' rapid transit route that runs between the Loop and Midway International Airport, serving the city's Southwest Side.
-
E.
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.
- F. None of above.
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_69bd440e9d64819083e82cf33b4d9570 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd6dc071d4819083ea9fd0c73c5f49 |
completed | March 20, 2026, 3:54 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be6fb8e8f081908cee75f80494dd7d |
completed | March 21, 2026, 10:15 a.m. |
| NEDg | Description generation | batch_69be702fe55481908224972344213a56 |
completed | March 21, 2026, 10:17 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69be7097c2a0819082229acd3d6f99ca |
completed | March 21, 2026, 10:19 a.m. |
Created at: March 20, 2026, 1:27 p.m.