Triple
T12890307
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Heritage Trail (Dubuque County, Iowa) |
E308343
|
entity |
| Predicate | railroadPredecessor |
P14629
|
FINISHED |
| Object | Chicago Great Western Railway |
E514949
|
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: Chicago Great Western Railway | Statement: [Heritage Trail (Dubuque County, Iowa), railroadPredecessor, Chicago Great Western Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago Great Western Railway Context triple: [Heritage Trail (Dubuque County, Iowa), railroadPredecessor, Chicago Great Western Railway]
-
A.
Chicago Great Western Railway
chosen
The Chicago Great Western Railway was a regional American railroad that operated in the Midwest, known for its efficient freight service and eventual absorption into larger rail systems.
-
B.
Chicago Aurora and Elgin Railroad
The Chicago Aurora and Elgin Railroad was an interurban electric railway that once connected Chicago with its western suburbs, playing a key role in regional commuter transit in the early to mid-20th century.
-
C.
Chicago North Shore and Milwaukee Railroad
The Chicago North Shore and Milwaukee Railroad was an interurban electric railway that operated between Chicago and Milwaukee, providing high-speed commuter and intercity service along the Lake Michigan shoreline in the early to mid-20th century.
-
D.
Illinois Central Railroad
The Illinois Central Railroad was a major American rail carrier that played a pivotal role in connecting the Midwest to the Gulf of Mexico and fostering economic development along its north–south route.
-
E.
Chicago Railways Company
The Chicago Railways Company was a major early 20th-century street railway operator in Chicago that formed a key part of the city’s urban transit system before consolidation into unified public transportation.
- 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_69d7bdf7c1f0819098102569a8d8cbf5 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d97146d2208190be5ae26e51193b67 |
completed | April 10, 2026, 9:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6a5598ad08190bad57ccfb4e4e2b6 |
completed | May 3, 2026, 1:31 a.m. |
Created at: April 9, 2026, 5:39 p.m.