Triple
T249800
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Yo-Yo Ma |
E5117
|
entity |
| Predicate | performedAt |
P270
|
FINISHED |
| Object | Barack Obama presidential inauguration 2009 |
E28647
|
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: Barack Obama presidential inauguration 2009 | Statement: [Yo-Yo Ma, performedAt, Barack Obama presidential inauguration 2009]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Barack Obama presidential inauguration 2009 Context triple: [Yo-Yo Ma, performedAt, Barack Obama presidential inauguration 2009]
-
A.
2009 U.S. presidential inauguration of Barack Obama
chosen
The 2009 U.S. presidential inauguration of Barack Obama was the historic ceremony in Washington, D.C., at which Barack Obama was sworn in as the 44th and first African American president of the United States.
-
B.
2013 U.S. presidential inauguration of Barack Obama
The 2013 U.S. presidential inauguration of Barack Obama was the public ceremony in Washington, D.C., marking the start of his second term as President of the United States.
-
C.
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.
-
D.
Barack Obama presidency
The Barack Obama presidency was the two-term administration of the 44th President of the United States, marked by the Affordable Care Act, the recovery from the Great Recession, and a foreign policy emphasizing multilateralism and the killing of Osama bin Laden.
-
E.
Barack Obama 2008 presidential campaign
The Barack Obama 2008 presidential campaign was the successful Democratic bid that led to Obama becoming the first African American president of the United States, notable for its grassroots organizing, digital strategy, and message of "hope" and "change."
- 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_69a257c4bf688190a46ebbf411ab7473 |
completed | Feb. 28, 2026, 2:49 a.m. |
| NER | Named-entity recognition | batch_69a25d3728f0819086214ccc2db2305a |
completed | Feb. 28, 2026, 3:12 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a39d0313b48190a3e8e1667a051610 |
completed | March 1, 2026, 1:57 a.m. |
Created at: Feb. 28, 2026, 2:54 a.m.