Triple

T20104452
Position Surface form Disambiguated ID Type / Status
Subject Calumet Park, Illinois E186023 entity
Predicate servedBy P82 FINISHED
Object Metra commuter rail (nearby stations) — NE NERFINISHED

How this triple was built (2 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: Metra commuter rail (nearby stations) | Statement: [Calumet Park, Illinois, servedBy, Metra commuter rail (nearby stations)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metra commuter rail (nearby stations)
Context triple: [Calumet Park, Illinois, servedBy, Metra commuter rail (nearby stations)]
  • A. Metra stations chosen
    Metra stations are passenger rail stops in the Chicago metropolitan area that serve as boarding and alighting points for the region’s commuter rail network.
  • B. SMART commuter rail station
    SMART commuter rail station is a Sonoma–Marin Area Rail Transit stop serving as a regional commuter rail hub in San Rafael, California.
  • C. Metra commuter rail services at Chicago Union Station
    Metra commuter rail services at Chicago Union Station are a network of regional passenger trains that connect downtown Chicago with its surrounding suburbs via multiple lines terminating or passing through this major terminal.
  • D. Metropolitano bus system stations nearby
    Metropolitano bus system stations nearby are public transit stops on Lima’s Bus Rapid Transit network that provide residents and visitors in the Chorrillos district with fast, dedicated-lane bus connections to other parts of the city.
  • E. Metro G Line (nearby connections)
    The Metro G Line (nearby connections) is a Los Angeles Metro Bus Rapid Transit service that links with other transit options near Lankershim Boulevard in the San Fernando Valley.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69da62636cc08190982cc71733a17b8d completed April 11, 2026, 3:01 p.m.
NER Named-entity recognition batch_69e666daf73c819089f02ca6faa2c283 completed April 20, 2026, 5:48 p.m.
Created at: April 11, 2026, 11:27 p.m.