Triple
T3575898
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ernst Alexanderson |
E75686
|
entity |
| Predicate | notableWork |
P4
|
FINISHED |
| Object | Alexanderson alternator |
E75687
|
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: Alexanderson alternator | Statement: [Ernst Alexanderson, notableWork, Alexanderson alternator]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Alexanderson alternator Context triple: [Ernst Alexanderson, notableWork, Alexanderson alternator]
-
A.
Alexanderson alternator
chosen
The Alexanderson alternator is an early high-frequency radio transmitter that generated continuous-wave signals using a rotating machine, playing a key role in long-distance wireless communication before vacuum-tube oscillators.
-
B.
Edison effect
The Edison effect is the phenomenon in which electrons are emitted from a heated filament into a vacuum, forming the basis for early vacuum tubes and thermionic devices.
-
C.
Cockcroft–Walton generator
The Cockcroft–Walton generator is a high-voltage power supply circuit that uses a cascade of capacitors and diodes to multiply an input AC voltage, historically important for early particle acceleration experiments.
-
D.
Fleming valve
The Fleming valve is an early thermionic vacuum tube diode invented by John Ambrose Fleming that enabled the rectification and detection of radio signals, laying groundwork for modern electronics.
-
E.
Edison
Edison is a large, diverse township in central New Jersey known for its suburban communities, major transportation links, and historical association with inventor Thomas Edison.
- 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_69ad85d5e3008190bdfe0bacdd1f5a1b |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adc0da77008190922f414b85b9cad4 |
completed | March 8, 2026, 6:32 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b3bbc3d4e88190b18ed318c55594cc |
completed | March 13, 2026, 7:24 a.m. |
Created at: March 8, 2026, 3:21 p.m.