Triple
T2744
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lee de Forest |
E51
|
entity |
| Predicate | founded |
P104
|
FINISHED |
| Object |
De Forest Phonofilm Corporation
De Forest Phonofilm Corporation was an early 20th-century film company that pioneered synchronized sound-on-film technology for motion pictures.
|
E495
|
NE FINISHED |
How this triple was built (4 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: De Forest Phonofilm Corporation | Statement: [Lee de Forest, founded, De Forest Phonofilm Corporation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: De Forest Phonofilm Corporation Context triple: [Lee de Forest, founded, De Forest Phonofilm Corporation]
-
A.
De Forest Radio Telephone Company
De Forest Radio Telephone Company was an early 20th-century American firm that developed and commercialized pioneering radio and wireless telephony technologies.
-
B.
Lee de Forest
Lee de Forest was an American inventor and radio pioneer best known for creating the Audion vacuum tube, a key development in early electronics and wireless communication.
-
C.
Edwin H. Armstrong
Edwin H. Armstrong was a pioneering American electrical engineer and inventor best known for developing frequency modulation (FM) radio and several fundamental radio technologies.
-
D.
Harold Hazen
Harold Hazen was an American electrical engineer and MIT professor known for his pioneering work in control systems and his role in developing early analog computing devices.
-
E.
David Packard
David Packard was an American electrical engineer, co-founder of Hewlett-Packard, and influential philanthropist and public servant.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: De Forest Phonofilm Corporation Triple: [Lee de Forest, founded, De Forest Phonofilm Corporation]
Generated description
De Forest Phonofilm Corporation was an early 20th-century film company that pioneered synchronized sound-on-film technology for motion pictures.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: De Forest Phonofilm Corporation Target entity description: De Forest Phonofilm Corporation was an early 20th-century film company that pioneered synchronized sound-on-film technology for motion pictures.
-
A.
De Forest Radio Telephone Company
De Forest Radio Telephone Company was an early 20th-century American firm that developed and commercialized pioneering radio and wireless telephony technologies.
-
B.
Lee de Forest
Lee de Forest was an American inventor and radio pioneer best known for creating the Audion vacuum tube, a key development in early electronics and wireless communication.
-
C.
Edwin H. Armstrong
Edwin H. Armstrong was a pioneering American electrical engineer and inventor best known for developing frequency modulation (FM) radio and several fundamental radio technologies.
-
D.
Harold Hazen
Harold Hazen was an American electrical engineer and MIT professor known for his pioneering work in control systems and his role in developing early analog computing devices.
-
E.
David Packard
David Packard was an American electrical engineer, co-founder of Hewlett-Packard, and influential philanthropist and public servant.
- F. None of above. chosen
Provenance (5 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_69a22e0d37588190897cf37a323013f5 |
completed | Feb. 27, 2026, 11:51 p.m. |
| NER | Named-entity recognition | batch_69a232e673a881909276dbf9c37bbff6 |
completed | Feb. 28, 2026, 12:12 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a23d860c2881909010e0310acaf10f |
completed | Feb. 28, 2026, 12:57 a.m. |
| NEDg | Description generation | batch_69a23ffe6b4081908f9d04b169a7bed8 |
completed | Feb. 28, 2026, 1:08 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2406bedd081909e8704cef5ab08dd |
completed | Feb. 28, 2026, 1:10 a.m. |
Created at: Feb. 27, 2026, 11:55 p.m.