Triple
T21904432
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Final System Plan |
E540896
|
entity |
| Predicate | describedRailroad |
P76977
|
FINISHED |
| Object |
Detroit, Toledo and Ironton Railroad
The Detroit, Toledo and Ironton Railroad was a regional U.S. railroad operating primarily in Michigan and Ohio, known for its freight services and later incorporation into larger rail systems.
|
E1511991
|
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: Detroit, Toledo and Ironton Railroad | Statement: [Final System Plan, describedRailroad, Detroit, Toledo and Ironton Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Detroit, Toledo and Ironton Railroad Context triple: [Final System Plan, describedRailroad, Detroit, Toledo and Ironton Railroad]
-
A.
Pere Marquette Railway
Pere Marquette Railway was a historic Midwestern U.S. railroad company that operated primarily in Michigan and surrounding states in the late 19th and early 20th centuries.
-
B.
Cleveland, Painesville and Ashtabula Railroad
The Cleveland, Painesville and Ashtabula Railroad was a 19th-century rail line in northern Ohio that became a key predecessor to the Lake Shore and Michigan Southern Railway.
-
C.
Lake Shore and Michigan Southern Railway
The Lake Shore and Michigan Southern Railway was a major 19th-century American railroad that formed a key part of the New York Central system, linking the Great Lakes region with the Eastern United States.
-
D.
Cleveland, Columbus and Cincinnati Railroad
The Cleveland, Columbus and Cincinnati Railroad was a 19th-century American railway line in Ohio that connected major cities and played a key role in regional transportation and economic development.
-
E.
Cleveland Railway
Cleveland Railway was a major early 20th-century streetcar and public transit company serving the city of Cleveland, Ohio.
- 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: Detroit, Toledo and Ironton Railroad Triple: [Final System Plan, describedRailroad, Detroit, Toledo and Ironton Railroad]
Generated description
The Detroit, Toledo and Ironton Railroad was a regional U.S. railroad operating primarily in Michigan and Ohio, known for its freight services and later incorporation into larger rail systems.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Detroit, Toledo and Ironton Railroad Target entity description: The Detroit, Toledo and Ironton Railroad was a regional U.S. railroad operating primarily in Michigan and Ohio, known for its freight services and later incorporation into larger rail systems.
-
A.
Pere Marquette Railway
Pere Marquette Railway was a historic Midwestern U.S. railroad company that operated primarily in Michigan and surrounding states in the late 19th and early 20th centuries.
-
B.
Cleveland, Painesville and Ashtabula Railroad
The Cleveland, Painesville and Ashtabula Railroad was a 19th-century rail line in northern Ohio that became a key predecessor to the Lake Shore and Michigan Southern Railway.
-
C.
Lake Shore and Michigan Southern Railway
The Lake Shore and Michigan Southern Railway was a major 19th-century American railroad that formed a key part of the New York Central system, linking the Great Lakes region with the Eastern United States.
-
D.
Cleveland, Columbus and Cincinnati Railroad
The Cleveland, Columbus and Cincinnati Railroad was a 19th-century American railway line in Ohio that connected major cities and played a key role in regional transportation and economic development.
-
E.
Cleveland Railway
Cleveland Railway was a major early 20th-century streetcar and public transit company serving the city of Cleveland, Ohio.
- 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_69e0c47b4e8c81908c8076eaa4c8e4f2 |
completed | April 16, 2026, 11:14 a.m. |
| NER | Named-entity recognition | batch_69f121d4c0248190909172decd7cbc64 |
completed | April 28, 2026, 9:08 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0a6d676e7c8190a6ee299393a147cc |
completed | May 18, 2026, 1:37 a.m. |
| NEDg | Description generation | batch_6a0a6e18d4f48190bfb917c9c9109ea5 |
completed | May 18, 2026, 1:40 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0a6ee56684819082d2001b2e817ed8 |
completed | May 18, 2026, 1:44 a.m. |
Created at: April 16, 2026, 7:29 p.m.