Triple

T21459651
Position Surface form Disambiguated ID Type / Status
Subject South Hills Village station E529436 entity
Predicate connectsTo P845 FINISHED
Object South Hills Village rail yard
South Hills Village rail yard is a light rail maintenance and storage facility serving Pittsburgh Regional Transit's South Hills Village line.
E1487008 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: South Hills Village rail yard | Statement: [South Hills Village station, connectsTo, South Hills Village rail yard]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: South Hills Village rail yard
Context triple: [South Hills Village station, connectsTo, South Hills Village rail yard]
  • A. Arcadia Oaks train yard
    Arcadia Oaks train yard is a fictional railway facility in the animated "Tales of Arcadia" universe, serving as a key setting for various events and confrontations.
  • B. Riverside Yard
    Riverside Yard is a rail yard facility in Newton, Massachusetts, serving as a storage and maintenance area for trains on the MBTA Green Line’s D branch.
  • C. Norfolk Southern Bellevue Yard
    Norfolk Southern Bellevue Yard is one of the largest railroad classification yards in the United States, serving as a major hub for Norfolk Southern Railway’s freight operations in the Midwest.
  • D. West Maitland Marshalling Yard
    West Maitland Marshalling Yard was a former railway marshalling facility in New South Wales, Australia, later redeveloped and renamed as Telarah railway station.
  • E. Irondale rail yard
    Irondale rail yard is a major freight rail facility in Irondale, Alabama, serving as a key hub for train operations, switching, and cargo handling in the region.
  • 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: South Hills Village rail yard
Triple: [South Hills Village station, connectsTo, South Hills Village rail yard]
Generated description
South Hills Village rail yard is a light rail maintenance and storage facility serving Pittsburgh Regional Transit's South Hills Village line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: South Hills Village rail yard
Target entity description: South Hills Village rail yard is a light rail maintenance and storage facility serving Pittsburgh Regional Transit's South Hills Village line.
  • A. Arcadia Oaks train yard
    Arcadia Oaks train yard is a fictional railway facility in the animated "Tales of Arcadia" universe, serving as a key setting for various events and confrontations.
  • B. Riverside Yard
    Riverside Yard is a rail yard facility in Newton, Massachusetts, serving as a storage and maintenance area for trains on the MBTA Green Line’s D branch.
  • C. Norfolk Southern Bellevue Yard
    Norfolk Southern Bellevue Yard is one of the largest railroad classification yards in the United States, serving as a major hub for Norfolk Southern Railway’s freight operations in the Midwest.
  • D. West Maitland Marshalling Yard
    West Maitland Marshalling Yard was a former railway marshalling facility in New South Wales, Australia, later redeveloped and renamed as Telarah railway station.
  • E. Irondale rail yard
    Irondale rail yard is a major freight rail facility in Irondale, Alabama, serving as a key hub for train operations, switching, and cargo handling in the region.
  • 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_69e0c458133481908ae8b41a12c4edec completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69e9e9ed36c08190a5178b2308aca8da completed April 23, 2026, 9:44 a.m.
NED1 Entity disambiguation (via context triple) batch_6a09cfee56d881909e43099ba5586b3f completed May 17, 2026, 2:25 p.m.
NEDg Description generation batch_6a09de517bd48190b29a5712f951a62a completed May 17, 2026, 3:27 p.m.
NED2 Entity disambiguation (via description) batch_6a09deee2a148190838b82083784dcd3 completed May 17, 2026, 3:29 p.m.
Created at: April 16, 2026, 6:08 p.m.