Triple

T8253075
Position Surface form Disambiguated ID Type / Status
Subject National Historic Landmarks in Illinois E193002 entity
Predicate contains P35 FINISHED
Object Old Chicago Water Tower and Pumping Station E25203 NE FINISHED

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: Old Chicago Water Tower and Pumping Station | Statement: [National Historic Landmarks in Illinois, contains, Old Chicago Water Tower and Pumping Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Old Chicago Water Tower and Pumping Station
Context triple: [National Historic Landmarks in Illinois, contains, Old Chicago Water Tower and Pumping Station]
  • A. Chicago Water Tower chosen
    The Chicago Water Tower is a historic limestone structure on Michigan Avenue that famously survived the Great Chicago Fire of 1871 and has become an iconic symbol of the city.
  • B. Chicago Avenue Pumping Station
    The Chicago Avenue Pumping Station is a historic 19th-century waterworks building in Chicago, known for its distinctive Gothic Revival architecture and survival of the Great Chicago Fire.
  • C. Water Tower
    Water Tower is a 1998 translucent resin sculpture by British artist Rachel Whiteread, cast from a New York rooftop water tank and celebrated as a landmark example of her large-scale public works.
  • D. Ypsilanti Water Tower
    The Ypsilanti Water Tower is a historic 19th-century stone water tower in Ypsilanti, Michigan, noted for its distinctive phallic shape and status as a local landmark.
  • E. Chicago Varnish Company Building
    The Chicago Varnish Company Building is a historic late-19th-century commercial structure in Chicago, Illinois, recognized for its distinctive Romanesque Revival architecture.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca82dfad9c8190b8cd18fb89f50f40 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb78cbc7cc81909931440e95d6e691 completed March 31, 2026, 7:33 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd354a412c8190963605d177d94a17 completed April 1, 2026, 3:10 p.m.
Created at: March 30, 2026, 5:48 p.m.