Triple

T15809229
Position Surface form Disambiguated ID Type / Status
Subject 2010 San Bruno pipeline explosion E383301 entity
Predicate neighborhood P988 FINISHED
Object Crestmoor neighborhood
Crestmoor neighborhood is a residential area in San Bruno, California, best known as the community devastated by the 2010 natural gas pipeline explosion.
E1178432 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: Crestmoor neighborhood | Statement: [2010 San Bruno pipeline explosion, neighborhood, Crestmoor neighborhood]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Crestmoor neighborhood
Context triple: [2010 San Bruno pipeline explosion, neighborhood, Crestmoor neighborhood]
  • A. Crestwood neighborhood
    Crestwood neighborhood is a residential community known for its convenient commuter access and suburban character in proximity to the Crestwood station.
  • B. Spruce Hill neighborhood
    Spruce Hill is a historic, tree-lined West Philadelphia neighborhood known for its Victorian homes, diverse community, and proximity to the University of Pennsylvania.
  • C. Vermilion Hills neighborhood
    Vermilion Hills neighborhood is a residential community within Falls Township in Bucks County, Pennsylvania.
  • D. Brightwood neighborhood
    Brightwood is a primarily residential neighborhood in the northwestern quadrant of Washington, D.C., known for its quiet streets, diverse community, and mix of rowhouses and single-family homes.
  • E. Oak Hills neighborhood
    Oak Hills neighborhood is a residential community known for its family-friendly environment and proximity to Oak Hills Elementary School.
  • 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: Crestmoor neighborhood
Triple: [2010 San Bruno pipeline explosion, neighborhood, Crestmoor neighborhood]
Generated description
Crestmoor neighborhood is a residential area in San Bruno, California, best known as the community devastated by the 2010 natural gas pipeline explosion.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Crestmoor neighborhood
Target entity description: Crestmoor neighborhood is a residential area in San Bruno, California, best known as the community devastated by the 2010 natural gas pipeline explosion.
  • A. Crestwood neighborhood
    Crestwood neighborhood is a residential community known for its convenient commuter access and suburban character in proximity to the Crestwood station.
  • B. Spruce Hill neighborhood
    Spruce Hill is a historic, tree-lined West Philadelphia neighborhood known for its Victorian homes, diverse community, and proximity to the University of Pennsylvania.
  • C. Vermilion Hills neighborhood
    Vermilion Hills neighborhood is a residential community within Falls Township in Bucks County, Pennsylvania.
  • D. Brightwood neighborhood
    Brightwood is a primarily residential neighborhood in the northwestern quadrant of Washington, D.C., known for its quiet streets, diverse community, and mix of rowhouses and single-family homes.
  • E. Oak Hills neighborhood
    Oak Hills neighborhood is a residential community known for its family-friendly environment and proximity to Oak Hills Elementary School.
  • 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_69d86da2858c819090cc8481e7207b6e completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e0b529c6b481909664153ecc381f7c completed April 16, 2026, 10:08 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff999210148190baa6dcb19be3a1d3 completed May 9, 2026, 8:31 p.m.
NEDg Description generation batch_69ff9aa845348190907116612d2c87cd completed May 9, 2026, 8:35 p.m.
NED2 Entity disambiguation (via description) batch_69ff9b8833b88190967db29027b5f987 completed May 9, 2026, 8:39 p.m.
Created at: April 10, 2026, 4:48 a.m.