Triple
T4031111
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tamerlan Tsarnaev |
E83711
|
entity |
| Predicate | perpetratorOf |
P698
|
FINISHED |
| Object | Boston Marathon bombing |
E13008
|
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: Boston Marathon bombing | Statement: [Tamerlan Tsarnaev, perpetratorOf, Boston Marathon bombing]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boston Marathon bombing Context triple: [Tamerlan Tsarnaev, perpetratorOf, Boston Marathon bombing]
-
A.
2013 Boston Marathon bombing
chosen
The 2013 Boston Marathon bombing was a terrorist attack in which two homemade bombs exploded near the marathon’s finish line, killing three people and injuring hundreds.
-
B.
Centennial Olympic Park bombing
The Centennial Olympic Park bombing was a domestic terrorist attack during the 1996 Atlanta Olympics in which a pipe bomb exploded in a public gathering area, killing two people and injuring over a hundred others.
-
C.
Watertown, Massachusetts shootout
The Watertown, Massachusetts shootout was the intense armed confrontation in April 2013 between law enforcement and the Boston Marathon bombing suspects that led to one suspect’s death and the manhunt’s dramatic conclusion.
-
D.
Oklahoma City bombing
The Oklahoma City bombing was a 1995 domestic terrorist truck bombing of the Alfred P. Murrah Federal Building that killed 168 people and remains one of the deadliest acts of terrorism in United States history.
-
E.
Sandy Hook Elementary School shooting
The Sandy Hook Elementary School shooting was a 2012 mass school shooting in Newtown, Connecticut, in which a gunman killed 26 people, including 20 children, and sparked nationwide debate over gun control and school safety in the United States.
- 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_69aed92e29ac819080f7a98b594fec05 |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aefb0dbb8481909ff2ee49dadcd1dc |
completed | March 9, 2026, 4:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b56b4a54c48190ae8abe0188b9738b |
completed | March 14, 2026, 2:06 p.m. |
Created at: March 9, 2026, 3:36 p.m.