Triple
T15362569
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Division |
E367323
|
entity |
| Predicate | hasSignage |
P5950
|
FINISHED |
| Object |
CTA standard Blue Line signage
CTA standard Blue Line signage is the consistent visual wayfinding system used across Chicago Transit Authority’s Blue Line stations, featuring the line’s distinctive color and typography to guide riders.
|
E1153715
|
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 standard Blue Line signage | Statement: [Division, hasSignage, CTA standard Blue Line signage]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CTA standard Blue Line signage Context triple: [Division, hasSignage, CTA standard Blue Line signage]
-
A.
MAX Blue Line
MAX Blue Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with eastern and western suburbs as part of the region’s MAX Light Rail system.
-
B.
CTA Yellow Line
The CTA Yellow Line, also known as the Skokie Swift, is a short Chicago Transit Authority rapid transit route that runs between Howard on the North Side and Skokie, Illinois.
-
C.
Division station (CTA Blue Line)
Division station (CTA Blue Line) is a Chicago 'L' subway station on the Blue Line serving the Wicker Park neighborhood.
-
D.
Blue Line is colored blue
Blue Line is colored blue is a subway line in Boston’s public transit system, commonly identified by its blue color on maps and signage.
-
E.
CTA Purple Line
The CTA Purple Line is a rapid transit route in Chicago’s ‘L’ system that primarily serves the northern suburbs and provides express service to downtown during weekday rush hours.
- 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 standard Blue Line signage Triple: [Division, hasSignage, CTA standard Blue Line signage]
Generated description
CTA standard Blue Line signage is the consistent visual wayfinding system used across Chicago Transit Authority’s Blue Line stations, featuring the line’s distinctive color and typography to guide riders.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: CTA standard Blue Line signage Target entity description: CTA standard Blue Line signage is the consistent visual wayfinding system used across Chicago Transit Authority’s Blue Line stations, featuring the line’s distinctive color and typography to guide riders.
-
A.
MAX Blue Line
MAX Blue Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with eastern and western suburbs as part of the region’s MAX Light Rail system.
-
B.
CTA Yellow Line
The CTA Yellow Line, also known as the Skokie Swift, is a short Chicago Transit Authority rapid transit route that runs between Howard on the North Side and Skokie, Illinois.
-
C.
Division station (CTA Blue Line)
Division station (CTA Blue Line) is a Chicago 'L' subway station on the Blue Line serving the Wicker Park neighborhood.
-
D.
Blue Line is colored blue
Blue Line is colored blue is a subway line in Boston’s public transit system, commonly identified by its blue color on maps and signage.
-
E.
CTA Purple Line
The CTA Purple Line is a rapid transit route in Chicago’s ‘L’ system that primarily serves the northern suburbs and provides express service to downtown during weekday rush hours.
- 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_69d85a1483788190ad93c2748e8af34b |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e03e479f188190bbbc3dcd73853e02 |
completed | April 16, 2026, 1:41 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff0b4a181c8190bffc1ac1a86e215d |
completed | May 9, 2026, 10:24 a.m. |
| NEDg | Description generation | batch_69ff0f82441c81909a8ae13817fd3e96 |
completed | May 9, 2026, 10:42 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ff0fd586708190a54b33efd27d84b2 |
completed | May 9, 2026, 10:43 a.m. |
Created at: April 10, 2026, 3:18 a.m.