Triple
T5096059
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Heritage Corridor line |
E114866
|
entity |
| Predicate | usesRailroadSubdivision |
P15040
|
FINISHED |
| Object |
CN Joliet Subdivision
CN Joliet Subdivision is a Canadian National Railway freight rail line in the Joliet, Illinois area that also carries Metra’s Heritage Corridor commuter trains.
|
E494961
|
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: CN Joliet Subdivision | Statement: [Heritage Corridor line, usesRailroadSubdivision, CN Joliet Subdivision]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CN Joliet Subdivision Context triple: [Heritage Corridor line, usesRailroadSubdivision, CN Joliet Subdivision]
-
A.
Heritage Corridor (via Joliet)
Heritage Corridor (via Joliet) is a Metra commuter rail line in the Chicago area that runs between Chicago Union Station and Joliet, primarily following the former Gulf, Mobile and Ohio Railroad route.
-
B.
Northeastern Illinois
Northeastern Illinois is a metropolitan region of Illinois that includes the Chicago area and its surrounding counties, serving as a major hub for transportation, commerce, and culture in the Midwest.
-
C.
Fox–Sauk–Kickapoo branch
The Fox–Sauk–Kickapoo branch is a subgroup of the Algonquian language family that includes the closely related Fox, Sauk, and Kickapoo languages traditionally spoken in the Great Lakes and central United States region.
-
D.
Joliet, Illinois
Joliet, Illinois is a mid-sized city southwest of Chicago known for its historic prison, riverfront, and role as a regional industrial and transportation hub.
-
E.
Joliet Station
Joliet Station is a major commuter rail hub in Joliet, Illinois, serving as a key terminus and transfer point for multiple Chicago-area rail lines.
- 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: CN Joliet Subdivision Triple: [Heritage Corridor line, usesRailroadSubdivision, CN Joliet Subdivision]
Generated description
CN Joliet Subdivision is a Canadian National Railway freight rail line in the Joliet, Illinois area that also carries Metra’s Heritage Corridor commuter trains.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: CN Joliet Subdivision Target entity description: CN Joliet Subdivision is a Canadian National Railway freight rail line in the Joliet, Illinois area that also carries Metra’s Heritage Corridor commuter trains.
-
A.
Heritage Corridor (via Joliet)
Heritage Corridor (via Joliet) is a Metra commuter rail line in the Chicago area that runs between Chicago Union Station and Joliet, primarily following the former Gulf, Mobile and Ohio Railroad route.
-
B.
Northeastern Illinois
Northeastern Illinois is a metropolitan region of Illinois that includes the Chicago area and its surrounding counties, serving as a major hub for transportation, commerce, and culture in the Midwest.
-
C.
Fox–Sauk–Kickapoo branch
The Fox–Sauk–Kickapoo branch is a subgroup of the Algonquian language family that includes the closely related Fox, Sauk, and Kickapoo languages traditionally spoken in the Great Lakes and central United States region.
-
D.
Joliet, Illinois
Joliet, Illinois is a mid-sized city southwest of Chicago known for its historic prison, riverfront, and role as a regional industrial and transportation hub.
-
E.
Joliet Station
Joliet Station is a major commuter rail hub in Joliet, Illinois, serving as a key terminus and transfer point for multiple Chicago-area rail lines.
- 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_69bd443fc49c819089629c00e311310c |
completed | March 20, 2026, 12:57 p.m. |
| NER | Named-entity recognition | batch_69bd75652a8081908386718f1fdb1de3 |
completed | March 20, 2026, 4:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69beba80aee081908498cbe9d4f2eaa7 |
completed | March 21, 2026, 3:34 p.m. |
| NEDg | Description generation | batch_69bebce93dc48190a43fca47cb5c0bcb |
completed | March 21, 2026, 3:44 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69bebe0086bc81908aa38f32952b8902 |
completed | March 21, 2026, 3:49 p.m. |
Created at: March 20, 2026, 1:40 p.m.