Triple
T5702172
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Conrail |
E125689
|
entity |
| Predicate | formedFrom |
P402
|
FINISHED |
| Object | Ann Arbor Railroad |
E125687
|
NE FINISHED |
How this triple was built (2 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: Ann Arbor Railroad | Statement: [Conrail, formedFrom, Ann Arbor Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ann Arbor Railroad Context triple: [Conrail, formedFrom, Ann Arbor Railroad]
-
A.
Ann Arbor Railroad (original)
chosen
The Ann Arbor Railroad (original) was a regional railroad in Michigan and Ohio that operated from the late 19th century into the 20th century, known for its north–south route and car ferry operations across Lake Michigan.
-
B.
Michigan Central Railroad
Michigan Central Railroad was a major 19th- and early 20th-century American railroad company that operated key passenger and freight routes across Michigan and the Great Lakes region, connecting to Chicago and the broader Midwest rail network.
-
C.
Grand Rapids and Indiana Railroad
The Grand Rapids and Indiana Railroad was a historic rail line in the Midwestern United States that connected southern Michigan and northern Indiana to resort and timber regions along Lake Michigan and into northern Michigan.
-
D.
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.
-
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.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69c0082c96988190b3a6a201edce472a |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c0245581988190a819b8137533ed31 |
completed | March 22, 2026, 5:18 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c07de28424819090ff1f4a4b6cc9c0 |
completed | March 22, 2026, 11:40 p.m. |
Created at: March 22, 2026, 3:45 p.m.