Triple
T4702230
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Side Main Line |
E104300
|
entity |
| Predicate | system |
P730
|
FINISHED |
| Object |
Chicago "L" Green Line
The Chicago "L" Green Line is one of the city’s rapid transit routes, running primarily along the South and West Sides and serving key destinations including the Loop and the West Side’s Lake Street corridor.
|
E526887
|
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 "L" Green Line | Statement: [South Side Main Line, system, Chicago "L" Green Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago "L" Green Line Context triple: [South Side Main Line, system, Chicago "L" Green Line]
-
A.
Red Line (Chicago "L")
The Red Line is a major rapid transit route of the Chicago "L" system, running north–south through the city and operating 24 hours a day.
-
B.
Orange Line (CTA)
The Orange Line (CTA) is a rapid transit route in Chicago that connects the Loop with Midway International Airport and several Southwest Side neighborhoods.
-
C.
Brown Line
The Brown Line is a rapid transit route of Chicago's "L" system that primarily serves the city's North Side and northwest neighborhoods.
-
D.
CTA Blue Line
The CTA Blue Line is a major Chicago 'L' rapid transit route that runs between O'Hare International Airport, downtown Chicago, and the city's western neighborhoods and suburbs.
-
E.
Orange Line
The Orange Line is one of the primary rapid transit routes in the Washington Metro system, running east–west through Washington, D.C. and its Virginia and Maryland suburbs.
- 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 "L" Green Line Triple: [South Side Main Line, system, Chicago "L" Green Line]
Generated description
The Chicago "L" Green Line is one of the city’s rapid transit routes, running primarily along the South and West Sides and serving key destinations including the Loop and the West Side’s Lake Street corridor.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chicago "L" Green Line Target entity description: The Chicago "L" Green Line is one of the city’s rapid transit routes, running primarily along the South and West Sides and serving key destinations including the Loop and the West Side’s Lake Street corridor.
-
A.
Red Line (Chicago "L")
The Red Line is a major rapid transit route of the Chicago "L" system, running north–south through the city and operating 24 hours a day.
-
B.
Orange Line (CTA)
The Orange Line (CTA) is a rapid transit route in Chicago that connects the Loop with Midway International Airport and several Southwest Side neighborhoods.
-
C.
Brown Line
The Brown Line is a rapid transit route of Chicago's "L" system that primarily serves the city's North Side and northwest neighborhoods.
-
D.
CTA Blue Line
The CTA Blue Line is a major Chicago 'L' rapid transit route that runs between O'Hare International Airport, downtown Chicago, and the city's western neighborhoods and suburbs.
-
E.
Orange Line
The Orange Line is one of the primary rapid transit routes in the Washington Metro system, running east–west through Washington, D.C. and its Virginia and Maryland suburbs.
- 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_69bd43e9b88481908582103dcadff3d9 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd63cec7988190b5f1d04d4f95314a |
completed | March 20, 2026, 3:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bfcb931f908190b72d825b95ae4861 |
completed | March 22, 2026, 10:59 a.m. |
| NEDg | Description generation | batch_69bfcc18e6dc8190898af6fdb0b17cbc |
completed | March 22, 2026, 11:01 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69bfcc796c808190bb9f83a7014ef7db |
completed | March 22, 2026, 11:03 a.m. |
Created at: March 20, 2026, 1:17 p.m.