Triple

T8726465
Position Surface form Disambiguated ID Type / Status
Subject Union Station (Los Angeles) E207142 entity
Predicate owner P347 FINISHED
Object Catellus Development Corporation
Catellus Development Corporation is a major U.S. real estate development company known for large-scale urban redevelopment and transit-oriented projects.
E753325 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: Catellus Development Corporation | Statement: [Union Station (Los Angeles), owner, Catellus Development Corporation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Catellus Development Corporation
Context triple: [Union Station (Los Angeles), owner, Catellus Development Corporation]
  • A. United Development Company
    United Development Company is a Qatari public shareholding company known for leading major real estate and infrastructure projects, including large-scale mixed-use developments.
  • B. Castellini Company
    Castellini Company is a long-established, family-owned produce distribution and logistics firm in the United States, known for supplying fresh fruits and vegetables to retailers, foodservice operators, and other customers.
  • C. Cloverleaf Industries
    Cloverleaf Industries is the fictional company in "Who Framed Roger Rabbit" used by the villain Judge Doom as a front for his scheme to dismantle the streetcar system and build a freeway.
  • D. Asgrow
    Asgrow is a prominent agricultural seed brand, best known for its high-yield soybean and corn varieties marketed to commercial farmers.
  • E. Decurion Corporation
    Decurion Corporation is a privately held entertainment and real estate company best known as the parent of Pacific Theatres and the ArcLight Cinemas chain.
  • 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: Catellus Development Corporation
Triple: [Union Station (Los Angeles), owner, Catellus Development Corporation]
Generated description
Catellus Development Corporation is a major U.S. real estate development company known for large-scale urban redevelopment and transit-oriented projects.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Catellus Development Corporation
Target entity description: Catellus Development Corporation is a major U.S. real estate development company known for large-scale urban redevelopment and transit-oriented projects.
  • A. United Development Company
    United Development Company is a Qatari public shareholding company known for leading major real estate and infrastructure projects, including large-scale mixed-use developments.
  • B. Castellini Company
    Castellini Company is a long-established, family-owned produce distribution and logistics firm in the United States, known for supplying fresh fruits and vegetables to retailers, foodservice operators, and other customers.
  • C. Cloverleaf Industries
    Cloverleaf Industries is the fictional company in "Who Framed Roger Rabbit" used by the villain Judge Doom as a front for his scheme to dismantle the streetcar system and build a freeway.
  • D. Asgrow
    Asgrow is a prominent agricultural seed brand, best known for its high-yield soybean and corn varieties marketed to commercial farmers.
  • E. Decurion Corporation
    Decurion Corporation is a privately held entertainment and real estate company best known as the parent of Pacific Theatres and the ArcLight Cinemas chain.
  • 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_69ca835811d8819081ea00fd2a2c9a1c completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc5d16cba881908e2a14b60ae65524 completed March 31, 2026, 11:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69cf2912c4e08190a147fc31db6788d1 completed April 3, 2026, 2:42 a.m.
NEDg Description generation batch_69cf2bd42e6081908e016303eeb2241f completed April 3, 2026, 2:54 a.m.
NED2 Entity disambiguation (via description) batch_69cf2ce47b748190b883063dc3e5d16b completed April 3, 2026, 2:58 a.m.
Created at: March 30, 2026, 6:36 p.m.