Triple
T372383
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Barack Obama Sr. |
E8294
|
entity |
| Predicate | child |
P120
|
FINISHED |
| Object |
Mark Obama Ndesandjo
Mark Obama Ndesandjo is an American businessman, author, and pianist known for his work in China and for being a half-brother of former U.S. President Barack Obama.
|
E47584
|
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: Mark Obama Ndesandjo | Statement: [Barack Obama Sr., child, Mark Obama Ndesandjo]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mark Obama Ndesandjo Context triple: [Barack Obama Sr., child, Mark Obama Ndesandjo]
-
A.
Hussein Onyango Obama
Hussein Onyango Obama was the Kenyan grandfather of U.S. President Barack Obama, known for his service as a cook for the British in World War II and his role in the Obama family’s roots in western Kenya.
-
B.
Barack Obama
Barack Obama is an American politician and attorney who served as the 44th president of the United States and the first African American to hold the office.
-
C.
Sasha Obama
Sasha Obama is the younger daughter of former U.S. President Barack Obama and former First Lady Michelle Obama, who grew up in the public eye during her father's presidency.
-
D.
Malia Obama
Malia Obama is the elder daughter of former U.S. President Barack Obama, known for growing up in the public eye during his presidency and later pursuing studies and work in film and television.
-
E.
Barack Obama Sr.
Barack Obama Sr. was a Kenyan economist and government official best known as the father of U.S. President Barack Obama.
- 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: Mark Obama Ndesandjo Triple: [Barack Obama Sr., child, Mark Obama Ndesandjo]
Generated description
Mark Obama Ndesandjo is an American businessman, author, and pianist known for his work in China and for being a half-brother of former U.S. President Barack Obama.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mark Obama Ndesandjo Target entity description: Mark Obama Ndesandjo is an American businessman, author, and pianist known for his work in China and for being a half-brother of former U.S. President Barack Obama.
-
A.
Hussein Onyango Obama
Hussein Onyango Obama was the Kenyan grandfather of U.S. President Barack Obama, known for his service as a cook for the British in World War II and his role in the Obama family’s roots in western Kenya.
-
B.
Barack Obama
Barack Obama is an American politician and attorney who served as the 44th president of the United States and the first African American to hold the office.
-
C.
Sasha Obama
Sasha Obama is the younger daughter of former U.S. President Barack Obama and former First Lady Michelle Obama, who grew up in the public eye during her father's presidency.
-
D.
Malia Obama
Malia Obama is the elder daughter of former U.S. President Barack Obama, known for growing up in the public eye during his presidency and later pursuing studies and work in film and television.
-
E.
Barack Obama Sr.
Barack Obama Sr. was a Kenyan economist and government official best known as the father of U.S. President Barack Obama.
- 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_69a2e7f2ec648190b42bc7db424f8109 |
completed | Feb. 28, 2026, 1:04 p.m. |
| NER | Named-entity recognition | batch_69a2ec018d508190b5687a9ba90b3092 |
completed | Feb. 28, 2026, 1:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3f4da5b2881909f71546e714c7883 |
completed | March 1, 2026, 8:12 a.m. |
| NEDg | Description generation | batch_69a3f544f4d48190ae1adb4b0f1fd438 |
completed | March 1, 2026, 8:13 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a3f5932d888190bb1444d6372b1294 |
completed | March 1, 2026, 8:15 a.m. |
Created at: Feb. 28, 2026, 1:08 p.m.