Triple
T11698721
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago South Shore and South Bend Railroad |
E278064
|
entity |
| Predicate | historicalEasternTerminus |
P3569
|
FINISHED |
| Object | downtown South Bend, Indiana |
E123815
|
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: downtown South Bend, Indiana | Statement: [Chicago South Shore and South Bend Railroad, historicalEasternTerminus, downtown South Bend, Indiana]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: downtown South Bend, Indiana Context triple: [Chicago South Shore and South Bend Railroad, historicalEasternTerminus, downtown South Bend, Indiana]
-
A.
Downtown Indianapolis
Downtown Indianapolis is the central business and cultural district of Indianapolis, Indiana, known for its prominent landmarks, entertainment venues, and government buildings.
-
B.
South Bend, Indiana
chosen
South Bend, Indiana is a mid-sized city in northern Indiana known for its manufacturing heritage, proximity to the University of Notre Dame, and role as an economic and cultural hub of the region.
-
C.
downtown Bloomington
Downtown Bloomington is the central urban district of Bloomington, Indiana, known for its vibrant arts scene, local businesses, and cultural events.
-
D.
Wabash, Indiana
Wabash, Indiana is a small Midwestern city known for its historic downtown and for being one of the first electrically lighted cities in the world.
-
E.
Valparaiso Downtown Commercial District
The Valparaiso Downtown Commercial District is a historic core of Valparaiso, Indiana, featuring a concentration of late-19th- and early-20th-century commercial architecture that reflects the city’s development as a regional trade and civic center.
- 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_69ef147e2e10819085eaed83fd955b6b |
completed | April 27, 2026, 7:47 a.m. |
Created at: April 8, 2026, 9:40 p.m.