Triple
T18414124
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | assassination of Olof Palme |
E441842
|
entity |
| Predicate | suspect |
P21177
|
FINISHED |
| Object |
Christer Pettersson
Christer Pettersson was a Swedish criminal and drug addict who became widely known as the controversial prime suspect in the 1986 murder of Prime Minister Olof Palme, a crime for which he was convicted and later acquitted on appeal.
|
E1322856
|
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: Christer Pettersson | Statement: [assassination of Olof Palme, suspect, Christer Pettersson]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Christer Pettersson Context triple: [assassination of Olof Palme, suspect, Christer Pettersson]
-
A.
Nils Stiernsköld
Nils Stiernsköld was a Swedish naval officer best known for his role as a commander in early 17th-century Baltic maritime warfare.
-
B.
John Nordling
John Nordling is a Swedish film producer best known for his work on the acclaimed horror drama "Let the Right One In."
-
C.
Lars Ekborg
Lars Ekborg was a Swedish actor and comedian known for his work in film, theatre, and radio during the mid-20th century.
-
D.
Göran Lindblad
Göran Lindblad is a Swedish politician known for his work with the Moderate Party and his tenure as a member of the Riksdag.
-
E.
Stellan Bengtsson
Stellan Bengtsson is a Swedish table tennis legend, renowned as the first Swede to win the men’s singles title at the World Table Tennis Championships in 1971.
- 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: Christer Pettersson Triple: [assassination of Olof Palme, suspect, Christer Pettersson]
Generated description
Christer Pettersson was a Swedish criminal and drug addict who became widely known as the controversial prime suspect in the 1986 murder of Prime Minister Olof Palme, a crime for which he was convicted and later acquitted on appeal.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Christer Pettersson Target entity description: Christer Pettersson was a Swedish criminal and drug addict who became widely known as the controversial prime suspect in the 1986 murder of Prime Minister Olof Palme, a crime for which he was convicted and later acquitted on appeal.
-
A.
Nils Stiernsköld
Nils Stiernsköld was a Swedish naval officer best known for his role as a commander in early 17th-century Baltic maritime warfare.
-
B.
John Nordling
John Nordling is a Swedish film producer best known for his work on the acclaimed horror drama "Let the Right One In."
-
C.
Lars Ekborg
Lars Ekborg was a Swedish actor and comedian known for his work in film, theatre, and radio during the mid-20th century.
-
D.
Göran Lindblad
Göran Lindblad is a Swedish politician known for his work with the Moderate Party and his tenure as a member of the Riksdag.
-
E.
Stellan Bengtsson
Stellan Bengtsson is a Swedish table tennis legend, renowned as the first Swede to win the men’s singles title at the World Table Tennis Championships in 1971.
- 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_69d8b9eb8a508190a942fd75ebd8b1dc |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e51a26d268819098e6791dc98efcda |
completed | April 19, 2026, 6:08 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a03e24df9c08190af07a90f394bfc06 |
completed | May 13, 2026, 2:30 a.m. |
| NEDg | Description generation | batch_6a03e6ca2b088190be240bbfe131d9d4 |
completed | May 13, 2026, 2:49 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a03e71c8e9881909000ee5855afbd1d |
completed | May 13, 2026, 2:51 a.m. |
Created at: April 10, 2026, 10:47 a.m.