Triple

T16099924
Position Surface form Disambiguated ID Type / Status
Subject Bus Riders Union E390587 entity
Predicate director P255 FINISHED
Object Joan Sekler
Joan Sekler is a filmmaker and activist best known for directing the documentary about Los Angeles's Bus Riders Union and its fight for transit justice.
 E1321741 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: Joan Sekler | Statement: [Bus Riders Union, director, Joan Sekler]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Joan Sekler
Context triple: [Bus Riders Union, director, Joan Sekler]
  • A. Roberta Seidman
    Roberta Seidman was the wife of American actor John Garfield, a prominent film star of the 1930s and 1940s.
  • B. Roberta Seidman
    Roberta Seidman is known as the spouse of Julius Garfinkle.
  • C. Sylvia Rosen
    Sylvia Rosen is a neighbor and love interest of Don Draper in the television series "Mad Men," known for their clandestine affair and its impact on his personal life.
  • D. Annette Lerner
    Annette Lerner is a Washington, D.C.–area philanthropist and matriarch of the Lerner family, known for their real estate empire and former ownership of the Washington Nationals baseball team.
  • E. Joan Berkman
    Joan Berkman is a central character in the film "The Squid and the Whale," portrayed as the conflicted mother and writer whose separation from her husband deeply affects their family.
  • 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: Joan Sekler
Triple: [Bus Riders Union, director, Joan Sekler]
Generated description
Joan Sekler is a filmmaker and activist best known for directing the documentary about Los Angeles's Bus Riders Union and its fight for transit justice.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Joan Sekler
Target entity description: Joan Sekler is a filmmaker and activist best known for directing the documentary about Los Angeles's Bus Riders Union and its fight for transit justice.
  • A. Roberta Seidman
    Roberta Seidman was the wife of American actor John Garfield, a prominent film star of the 1930s and 1940s.
  • B. Roberta Seidman
    Roberta Seidman is known as the spouse of Julius Garfinkle.
  • C. Sylvia Rosen
    Sylvia Rosen is a neighbor and love interest of Don Draper in the television series "Mad Men," known for their clandestine affair and its impact on his personal life.
  • D. Annette Lerner
    Annette Lerner is a Washington, D.C.–area philanthropist and matriarch of the Lerner family, known for their real estate empire and former ownership of the Washington Nationals baseball team.
  • E. Joan Berkman
    Joan Berkman is a central character in the film "The Squid and the Whale," portrayed as the conflicted mother and writer whose separation from her husband deeply affects their family.
  • 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_69d87f198bc48190a8b7e53ca15b7ead completed April 10, 2026, 4:39 a.m.
NER Named-entity recognition batch_69e1ff6756948190a7f5ecb375e59701 completed April 17, 2026, 9:37 a.m.
NED1 Entity disambiguation (via context triple) batch_6a03d75acf8c819097af363f3ba93ae0 completed May 13, 2026, 1:43 a.m.
NEDg Description generation batch_6a03d8776b0c819094ffeedfc780ed58 completed May 13, 2026, 1:48 a.m.
NED2 Entity disambiguation (via description) batch_6a03dc489164819086d72b120830e60c completed May 13, 2026, 2:04 a.m.
Created at: April 10, 2026, 5 a.m.