Triple
T15362466
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Western (O'Hare branch) |
E367321
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object |
CTA bus route X49 Western Express
CTA bus route X49 Western Express is a limited-stop Chicago Transit Authority bus line that provides rapid north–south service along Western Avenue, connecting riders to and from the Blue Line’s O’Hare branch.
|
E1153707
|
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 X49 Western Express | Statement: [Western (O'Hare branch), servedBy, CTA bus route X49 Western Express]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CTA bus route X49 Western Express Context triple: [Western (O'Hare branch), servedBy, CTA bus route X49 Western Express]
-
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.
X9 bus route
The X9 bus route is a limited-stop Metrobus service in the Washington, D.C. area operated by WMATA, providing faster connections along a major commuter corridor.
-
C.
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.
-
D.
CTA bus 148 Clarendon/Michigan Express
CTA bus 148 Clarendon/Michigan Express is a Chicago Transit Authority express bus route that provides limited-stop service between the Uptown/Clarendon area and downtown via Michigan Avenue.
-
E.
X2 bus route
The X2 bus route is a major Washington, D.C. Metrobus line that runs along the H Street–Benning Road corridor, providing frequent east–west service between downtown and Northeast 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: CTA bus route X49 Western Express Triple: [Western (O'Hare branch), servedBy, CTA bus route X49 Western Express]
Generated description
CTA bus route X49 Western Express is a limited-stop Chicago Transit Authority bus line that provides rapid north–south service along Western Avenue, connecting riders to and from the Blue Line’s O’Hare branch.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: CTA bus route X49 Western Express Target entity description: CTA bus route X49 Western Express is a limited-stop Chicago Transit Authority bus line that provides rapid north–south service along Western Avenue, connecting riders to and from the Blue Line’s O’Hare branch.
-
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.
X9 bus route
The X9 bus route is a limited-stop Metrobus service in the Washington, D.C. area operated by WMATA, providing faster connections along a major commuter corridor.
-
C.
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.
-
D.
CTA bus 148 Clarendon/Michigan Express
CTA bus 148 Clarendon/Michigan Express is a Chicago Transit Authority express bus route that provides limited-stop service between the Uptown/Clarendon area and downtown via Michigan Avenue.
-
E.
X2 bus route
The X2 bus route is a major Washington, D.C. Metrobus line that runs along the H Street–Benning Road corridor, providing frequent east–west service between downtown and Northeast neighborhoods.
- 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.