Triple
T17068903
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Westinghouse High School, Pittsburgh |
E414161
|
entity |
| Predicate | hasAlumnus |
P51
|
FINISHED |
| Object |
Chuck Cooper
Chuck Cooper was a pioneering American basketball player best known as one of the first African Americans drafted into the NBA.
|
E1247358
|
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: Chuck Cooper | Statement: [Westinghouse High School, Pittsburgh, hasAlumnus, Chuck Cooper]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chuck Cooper Context triple: [Westinghouse High School, Pittsburgh, hasAlumnus, Chuck Cooper]
-
A.
Walter Fauntroy
Walter Fauntroy is an American civil rights activist, pastor, and longtime Washington, D.C. delegate to the U.S. House of Representatives who played a key role in Black political organizing in the late 20th century.
-
B.
Melvin Barcliff
Melvin Barcliff, better known by his stage name Magoo, was an American rapper recognized for his collaborations with Timbaland and contributions to late-1990s and early-2000s hip hop.
-
C.
Melvin Edmonds
Melvin Edmonds was an American R&B singer best known as a founding member of the group After 7.
-
D.
Horace Grant Underwood
Horace Grant Underwood was an American Presbyterian missionary and educator who played a key role in the introduction of modern education and Protestant Christianity to Korea in the late 19th and early 20th centuries.
-
E.
Pervis Ellison
Pervis Ellison is a former American basketball center best known for leading the University of Louisville to the 1986 NCAA championship and later playing in the NBA as the first overall pick in the 1989 draft.
- 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: Chuck Cooper Triple: [Westinghouse High School, Pittsburgh, hasAlumnus, Chuck Cooper]
Generated description
Chuck Cooper was a pioneering American basketball player best known as one of the first African Americans drafted into the NBA.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chuck Cooper Target entity description: Chuck Cooper was a pioneering American basketball player best known as one of the first African Americans drafted into the NBA.
-
A.
Walter Fauntroy
Walter Fauntroy is an American civil rights activist, pastor, and longtime Washington, D.C. delegate to the U.S. House of Representatives who played a key role in Black political organizing in the late 20th century.
-
B.
Melvin Barcliff
Melvin Barcliff, better known by his stage name Magoo, was an American rapper recognized for his collaborations with Timbaland and contributions to late-1990s and early-2000s hip hop.
-
C.
Melvin Edmonds
Melvin Edmonds was an American R&B singer best known as a founding member of the group After 7.
-
D.
Horace Grant Underwood
Horace Grant Underwood was an American Presbyterian missionary and educator who played a key role in the introduction of modern education and Protestant Christianity to Korea in the late 19th and early 20th centuries.
-
E.
Pervis Ellison
Pervis Ellison is a former American basketball center best known for leading the University of Louisville to the 1986 NCAA championship and later playing in the NBA as the first overall pick in the 1989 draft.
- 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_69d886cef44c8190ba56c44b4e863e64 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3dbbeb2a48190a733a4cc829c16de |
completed | April 18, 2026, 7:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a01235278d48190bacc7881b9eb1ea1 |
completed | May 11, 2026, 12:31 a.m. |
| NEDg | Description generation | batch_6a012425fb808190ad9bcada9429e437 |
completed | May 11, 2026, 12:34 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a01248b53d88190a4ec4fa6cee89bb1 |
completed | May 11, 2026, 12:36 a.m. |
Created at: April 10, 2026, 5:34 a.m.