Triple
T15362465
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Western (O'Hare branch) |
E367321
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object |
CTA bus route 49 Western
CTA bus route 49 Western is a major north–south Chicago Transit Authority bus line running along Western Avenue, providing frequent service and connections across multiple neighborhoods and rail lines.
|
E1153706
|
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 bus route 49 Western | Statement: [Western (O'Hare branch), servedBy, CTA bus route 49 Western]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CTA bus route 49 Western Context triple: [Western (O'Hare branch), servedBy, CTA bus route 49 Western]
-
A.
CTA bus route 39
CTA bus route 39 is a Chicago Transit Authority bus line that primarily operates along Pershing Road, connecting neighborhoods on the South Side and providing links to CTA rail and other bus services.
-
B.
CTA buses
CTA buses are the public transit bus fleet operated by the Chicago Transit Authority, providing extensive local and express service throughout Chicago and some surrounding suburbs.
-
C.
CTA Route 201 Central/Ridge
CTA Route 201 Central/Ridge is a Chicago Transit Authority bus route serving Evanston and nearby North Shore communities, connecting key local destinations and transit hubs including the Davis station.
-
D.
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.
-
E.
CTA Route 9 Ashland
CTA Route 9 Ashland is a major Chicago Transit Authority bus line that runs along Ashland Avenue, providing north–south service through numerous neighborhoods across the city.
- 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 bus route 49 Western Triple: [Western (O'Hare branch), servedBy, CTA bus route 49 Western]
Generated description
CTA bus route 49 Western is a major north–south Chicago Transit Authority bus line running along Western Avenue, providing frequent service and connections across multiple neighborhoods and rail lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: CTA bus route 49 Western Target entity description: CTA bus route 49 Western is a major north–south Chicago Transit Authority bus line running along Western Avenue, providing frequent service and connections across multiple neighborhoods and rail lines.
-
A.
CTA bus route 39
CTA bus route 39 is a Chicago Transit Authority bus line that primarily operates along Pershing Road, connecting neighborhoods on the South Side and providing links to CTA rail and other bus services.
-
B.
CTA buses
CTA buses are the public transit bus fleet operated by the Chicago Transit Authority, providing extensive local and express service throughout Chicago and some surrounding suburbs.
-
C.
CTA Route 201 Central/Ridge
CTA Route 201 Central/Ridge is a Chicago Transit Authority bus route serving Evanston and nearby North Shore communities, connecting key local destinations and transit hubs including the Davis station.
-
D.
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.
-
E.
CTA Route 9 Ashland
CTA Route 9 Ashland is a major Chicago Transit Authority bus line that runs along Ashland Avenue, providing north–south service through numerous neighborhoods across the city.
- 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.