Triple

T9285924
Position Surface form Disambiguated ID Type / Status
Subject Transbay Transit Center E223393 entity
Predicate partOf P40 FINISHED
Object Transbay Transit Center Program
The Transbay Transit Center Program is a large-scale urban redevelopment and transportation initiative in San Francisco centered on creating a major regional transit hub and associated mixed-use development.
E223393 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: Transbay Transit Center Program | Statement: [Transbay Transit Center, partOf, Transbay Transit Center Program]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Transbay Transit Center Program
Context triple: [Transbay Transit Center, partOf, Transbay Transit Center Program]
  • A. Transbay Transit Center
    The Transbay Transit Center is a major transportation hub and rooftop park complex in downtown San Francisco that serves regional buses and future rail connections.
  • B. San Francisco Central Subway project
    The San Francisco Central Subway project is a major Muni Metro light rail extension in San Francisco designed to improve north–south transit connectivity by linking neighborhoods such as SoMa, Union Square, and Chinatown.
  • C. Transbay Joint Powers Authority
    The Transbay Joint Powers Authority is a regional government agency in San Francisco responsible for planning, building, and operating the Transbay transit facilities, including the Salesforce Transit Center.
  • D. Crenshaw/LAX Transit Project
    The Crenshaw/LAX Transit Project is a Los Angeles Metro rail expansion initiative designed to improve transit access along the Crenshaw Corridor and provide a key light rail connection to the Los Angeles International Airport area.
  • E. Exposition Light Rail Line project
    The Exposition Light Rail Line project is a Los Angeles Metro rail expansion initiative designed to provide fast, high-capacity transit service between downtown Los Angeles and the Westside along the Exposition Boulevard corridor.
  • 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: Transbay Transit Center Program
Triple: [Transbay Transit Center, partOf, Transbay Transit Center Program]
Generated description
The Transbay Transit Center Program is a large-scale urban redevelopment and transportation initiative in San Francisco centered on creating a major regional transit hub and associated mixed-use development.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Transbay Transit Center Program
Target entity description: The Transbay Transit Center Program is a large-scale urban redevelopment and transportation initiative in San Francisco centered on creating a major regional transit hub and associated mixed-use development.
  • A. Transbay Transit Center chosen
    The Transbay Transit Center is a major transportation hub and rooftop park complex in downtown San Francisco that serves regional buses and future rail connections.
  • B. San Francisco Central Subway project
    The San Francisco Central Subway project is a major Muni Metro light rail extension in San Francisco designed to improve north–south transit connectivity by linking neighborhoods such as SoMa, Union Square, and Chinatown.
  • C. Transbay Joint Powers Authority
    The Transbay Joint Powers Authority is a regional government agency in San Francisco responsible for planning, building, and operating the Transbay transit facilities, including the Salesforce Transit Center.
  • D. Crenshaw/LAX Transit Project
    The Crenshaw/LAX Transit Project is a Los Angeles Metro rail expansion initiative designed to improve transit access along the Crenshaw Corridor and provide a key light rail connection to the Los Angeles International Airport area.
  • E. Exposition Light Rail Line project
    The Exposition Light Rail Line project is a Los Angeles Metro rail expansion initiative designed to provide fast, high-capacity transit service between downtown Los Angeles and the Westside along the Exposition Boulevard corridor.
  • F. None of above.

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_69ca8422ddf881908a3f8f876c9f53aa completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd0821b1108190b16e9570b09a14de completed April 1, 2026, 11:57 a.m.
NED1 Entity disambiguation (via context triple) batch_69d0e379a26c8190be2134fcec120f8e completed April 4, 2026, 10:10 a.m.
NEDg Description generation batch_69d0e502b68081909a9f9476421ba9b5 completed April 4, 2026, 10:16 a.m.
NED2 Entity disambiguation (via description) batch_69d0e5af7360819096c6295de0ce5f32 completed April 4, 2026, 10:19 a.m.
Created at: March 30, 2026, 7:35 p.m.