Triple
T17465327
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pere Marquette |
E425261
|
entity |
| Predicate | usesRailroadLine |
P15040
|
FINISHED |
| Object |
CSX Grand Rapids Subdivision
CSX Grand Rapids Subdivision is a freight rail line in western Michigan operated by CSX Transportation, historically associated with the Pere Marquette Railway.
|
E1271215
|
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: CSX Grand Rapids Subdivision | Statement: [Pere Marquette, usesRailroadLine, CSX Grand Rapids Subdivision]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CSX Grand Rapids Subdivision Context triple: [Pere Marquette, usesRailroadLine, CSX Grand Rapids Subdivision]
-
A.
CPKC Milwaukee Subdivision
The CPKC Milwaukee Subdivision is a freight rail line in the Chicago–Milwaukee corridor owned and operated by Canadian Pacific Kansas City, also used by commuter services such as Metra.
-
B.
CSX Bellwood Subdivision
The CSX Bellwood Subdivision is a freight rail line in Virginia operated by CSX Transportation, forming part of the company’s network around the Richmond area.
-
C.
CSX RF&P Subdivision
The CSX RF&P Subdivision is a major CSX Transportation rail line in Virginia that forms part of the busy freight and passenger corridor linking Washington, D.C. with Richmond and points south.
-
D.
CSX Capital Subdivision
CSX Capital Subdivision is a CSX Transportation rail line in Maryland that serves as a key freight and commuter corridor between Washington, D.C., and Baltimore.
-
E.
Burlington Subdivision
Burlington Subdivision is a rail line operated by the New England Central Railroad, forming part of its regional freight rail network in the northeastern United States.
- 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: CSX Grand Rapids Subdivision Triple: [Pere Marquette, usesRailroadLine, CSX Grand Rapids Subdivision]
Generated description
CSX Grand Rapids Subdivision is a freight rail line in western Michigan operated by CSX Transportation, historically associated with the Pere Marquette Railway.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: CSX Grand Rapids Subdivision Target entity description: CSX Grand Rapids Subdivision is a freight rail line in western Michigan operated by CSX Transportation, historically associated with the Pere Marquette Railway.
-
A.
CPKC Milwaukee Subdivision
The CPKC Milwaukee Subdivision is a freight rail line in the Chicago–Milwaukee corridor owned and operated by Canadian Pacific Kansas City, also used by commuter services such as Metra.
-
B.
CSX Bellwood Subdivision
The CSX Bellwood Subdivision is a freight rail line in Virginia operated by CSX Transportation, forming part of the company’s network around the Richmond area.
-
C.
CSX RF&P Subdivision
The CSX RF&P Subdivision is a major CSX Transportation rail line in Virginia that forms part of the busy freight and passenger corridor linking Washington, D.C. with Richmond and points south.
-
D.
CSX Capital Subdivision
CSX Capital Subdivision is a CSX Transportation rail line in Maryland that serves as a key freight and commuter corridor between Washington, D.C., and Baltimore.
-
E.
Burlington Subdivision
Burlington Subdivision is a rail line operated by the New England Central Railroad, forming part of its regional freight rail network in the northeastern United States.
- 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_69d889dbc2e88190b18ea6115e819258 |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e451a6c2e08190bca9de56ee2f5136 |
completed | April 19, 2026, 3:53 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a01b825ed208190997ec8868c7d6f4a |
completed | May 11, 2026, 11:06 a.m. |
| NEDg | Description generation | batch_6a01b963291481909791d9c136a9fd69 |
completed | May 11, 2026, 11:11 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a01ba3eeb6c8190926d2cb538fcb908 |
completed | May 11, 2026, 11:15 a.m. |
Created at: April 10, 2026, 5:47 a.m.