Triple
T11698724
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago South Shore and South Bend Railroad |
E278064
|
entity |
| Predicate | passesThrough |
P225
|
FINISHED |
| Object | East Chicago, Indiana |
E59879
|
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: East Chicago, Indiana | Statement: [Chicago South Shore and South Bend Railroad, passesThrough, East Chicago, Indiana]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: East Chicago, Indiana Context triple: [Chicago South Shore and South Bend Railroad, passesThrough, East Chicago, Indiana]
-
A.
East Chicago, Indiana
chosen
East Chicago, Indiana is an industrial city in northwest Indiana’s Calumet Region, known for its steel manufacturing history and location near the southern shore of Lake Michigan.
-
B.
Michigan City, Indiana
Michigan City, Indiana is a small city on the southern shore of Lake Michigan known as a gateway to the Indiana Dunes and a regional hub for lakefront recreation and tourism.
-
C.
Calumet City, Illinois
Calumet City, Illinois is a suburban city in the Chicago metropolitan area known historically for its industrial roots and proximity to the Indiana state line.
-
D.
Valparaiso, Indiana
Valparaiso, Indiana is a small city in northwestern Indiana known for hosting Valparaiso University and serving as a regional cultural and educational center.
-
E.
Calumet Heights
Calumet Heights is a primarily residential neighborhood located on the South Side of Chicago, known for its stable middle-class character and well-kept homes.
- 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_69d6aafe02d881909900d54ad7d4af84 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d8a47df68c81908a91919a69b4880d |
completed | April 10, 2026, 7:19 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f1304cf94c819084b47fa260ca3a9f |
completed | April 28, 2026, 10:10 p.m. |
Created at: April 8, 2026, 9:40 p.m.