Triple

T2322753
Position Surface form Disambiguated ID Type / Status
Subject Itasca, Illinois E48217 entity
Predicate hasRailStation P726 FINISHED
Object Itasca station
Itasca station is a commuter rail stop in Itasca, Illinois, serving Metra’s Milwaukee District/West Line between Chicago and its northwestern suburbs.
E256682 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: Itasca station | Statement: [Itasca, Illinois, hasRailStation, Itasca station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Itasca station
Context triple: [Itasca, Illinois, hasRailStation, Itasca station]
  • A. Canberra Deep Space Communications Complex
    The Canberra Deep Space Communications Complex is a NASA-affiliated ground station in Australia that tracks and communicates with interplanetary spacecraft as part of the Deep Space Network.
  • B. Yerkes Observatory
    Yerkes Observatory is a historic astronomical observatory in Wisconsin renowned for housing one of the world’s largest refracting telescopes and for its influential role in 20th-century astrophysical research.
  • C. Goldstone Deep Space Communications Complex
    The Goldstone Deep Space Communications Complex is a major NASA facility in California that houses large radio antennas used to track and communicate with interplanetary spacecraft as part of the Deep Space Network.
  • D. Vera Rubin Ridge
    Vera Rubin Ridge is a geologic feature on Mars explored by NASA's Curiosity rover, named in honor of pioneering astronomer Vera Rubin.
  • E. Fred Lawrence Whipple Observatory
    The Fred Lawrence Whipple Observatory is a major astronomical research facility in Arizona known for its optical and gamma-ray telescopes used to study the universe.
  • 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: Itasca station
Triple: [Itasca, Illinois, hasRailStation, Itasca station]
Generated description
Itasca station is a commuter rail stop in Itasca, Illinois, serving Metra’s Milwaukee District/West Line between Chicago and its northwestern suburbs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Itasca station
Target entity description: Itasca station is a commuter rail stop in Itasca, Illinois, serving Metra’s Milwaukee District/West Line between Chicago and its northwestern suburbs.
  • A. Canberra Deep Space Communications Complex
    The Canberra Deep Space Communications Complex is a NASA-affiliated ground station in Australia that tracks and communicates with interplanetary spacecraft as part of the Deep Space Network.
  • B. Yerkes Observatory
    Yerkes Observatory is a historic astronomical observatory in Wisconsin renowned for housing one of the world’s largest refracting telescopes and for its influential role in 20th-century astrophysical research.
  • C. Goldstone Deep Space Communications Complex
    The Goldstone Deep Space Communications Complex is a major NASA facility in California that houses large radio antennas used to track and communicate with interplanetary spacecraft as part of the Deep Space Network.
  • D. Vera Rubin Ridge
    Vera Rubin Ridge is a geologic feature on Mars explored by NASA's Curiosity rover, named in honor of pioneering astronomer Vera Rubin.
  • E. Fred Lawrence Whipple Observatory
    The Fred Lawrence Whipple Observatory is a major astronomical research facility in Arizona known for its optical and gamma-ray telescopes used to study the universe.
  • 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_69a88aa308a88190b0b86c011fda7fce completed March 4, 2026, 7:40 p.m.
NER Named-entity recognition batch_69abc645bac081908c0b161d0ca99aaf completed March 7, 2026, 6:31 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae896b357c8190a6cdf99d5292037e completed March 9, 2026, 8:48 a.m.
NEDg Description generation batch_69ae8e8263a08190a0950dbb1336df70 completed March 9, 2026, 9:10 a.m.
NED2 Entity disambiguation (via description) batch_69ae8f9fe79c819080062587aed27379 completed March 9, 2026, 9:15 a.m.
Created at: March 4, 2026, 7:49 p.m.