Triple
T93555
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Subrahmanyan Chandrasekhar |
E1879
|
entity |
| Predicate | residence |
P75
|
FINISHED |
| Object | Chicago |
E108
|
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 | Statement: [Subrahmanyan Chandrasekhar, residence, Chicago]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago Context triple: [Subrahmanyan Chandrasekhar, residence, Chicago]
-
A.
Chicago metropolitan area
The Chicago metropolitan area is a major U.S. urban and economic region centered on the city of Chicago, encompassing numerous surrounding suburbs across northeastern Illinois and parts of neighboring states.
-
B.
Chicago, Illinois, United States
chosen
Chicago, Illinois, United States is a major Midwestern metropolis known for its influential architecture, cultural institutions, and role as a historic center of industry and commerce.
-
C.
Evanston, Illinois
Evanston, Illinois is a suburban city directly north of Chicago, known for being the home of Northwestern University and its vibrant, diverse community along Lake Michigan.
-
D.
Lombard, Illinois
Lombard, Illinois is a suburban village in the Chicago metropolitan area known for its historic Lilac Festival and residential character.
-
E.
Aurora, Illinois
Aurora, Illinois is a major city in the Chicago metropolitan area known for its historic downtown, diverse population, and role as a regional economic and cultural 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_69a24d1a97dc819094e6c021fe9b05a7 |
completed | Feb. 28, 2026, 2:04 a.m. |
| NER | Named-entity recognition | batch_69a24fd28e988190bde699647ee5b16b |
completed | Feb. 28, 2026, 2:15 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3fe8c0d4881909164199221272daa |
completed | March 1, 2026, 8:53 a.m. |
Created at: Feb. 28, 2026, 2:07 a.m.