Triple
T19688796
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Iowa–Illinois state line |
E472779
|
entity |
| Predicate | crossedByRailroad |
P416
|
FINISHED |
| Object | Chicago, Rock Island and Pacific Railroad (historic alignment) |
—
|
NE NERFINISHED |
How this triple was built (3 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, Rock Island and Pacific Railroad (historic alignment) | Statement: [Iowa–Illinois state line, crossedByRailroad, Chicago, Rock Island and Pacific Railroad (historic alignment)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago, Rock Island and Pacific Railroad (historic alignment) Context triple: [Iowa–Illinois state line, crossedByRailroad, Chicago, Rock Island and Pacific Railroad (historic alignment)]
-
A.
Chicago & North Western West Line
The Chicago & North Western West Line was a historic commuter rail route in the Chicago area that later became part of Metra’s Union Pacific West Line.
-
B.
Chicago, Rock Island and Pacific Railroad
chosen
The Chicago, Rock Island and Pacific Railroad was a major Midwestern U.S. railroad that operated extensive passenger and freight services, notably connecting Chicago with cities across the Great Plains and Southwest, until its final liquidation in the 1980s.
-
C.
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.
-
D.
Kishwaukee Road
Kishwaukee Road is a regional roadway in northern Illinois that forms part of the state highway system and serves local communities along its route.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: crossedByRailroad Context triple: [Iowa–Illinois state line, crossedByRailroad, Chicago, Rock Island and Pacific Railroad (historic alignment)]
-
A.
crossedByHighway
Indicates that a highway passes across or through the extent of a given entity or area.
-
B.
hasRailwayCrossing
Indicates that a location or route includes a point where a railway line and a road or path intersect, typically at the same level.
-
C.
crossedBy
chosen
Indicates that one entity (typically a path, line, or boundary) is intersected or traversed by another entity.
-
D.
crossedByTunnel
Indicates that one entity (typically a barrier like a mountain, river, or road) is traversed or passed through by another entity via a tunnel.
-
E.
crossingOf
Indicates that one entity serves as the intersection or crossing point of two or more linear features, such as roads, paths, or tracks.
- F. None of above.
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_69d8e515bef88190bc30781aea50537a |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e6420e5b788190a63ff6b83383b0e8 |
completed | April 20, 2026, 3:11 p.m. |
| PD | Predicate disambiguation | batch_69e53039ea808190a9106a53f564ab92 |
completed | April 19, 2026, 7:42 p.m. |
Created at: April 10, 2026, 1:45 p.m.