Triple

T5022447
Position Surface form Disambiguated ID Type / Status
Subject Millennium Station E112884 entity
Predicate hasConnection P8776 FINISHED
Object Chicago Pedway system
The Chicago Pedway system is an extensive network of underground and overhead pedestrian walkways in downtown Chicago that links major buildings, transit stations, and attractions, providing sheltered passage throughout the Loop.
E486842 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: Chicago Pedway system | Statement: [Millennium Station, hasConnection, Chicago Pedway system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chicago Pedway system
Context triple: [Millennium Station, hasConnection, Chicago Pedway system]
  • A. Chicago Riverwalk
    The Chicago Riverwalk is a scenic pedestrian waterfront along the Chicago River featuring walking paths, restaurants, public art, and recreational spaces in downtown Chicago.
  • B. Chicago park and boulevard system
    The Chicago park and boulevard system is an interconnected network of parks and landscaped boulevards designed to encircle and link neighborhoods throughout Chicago, forming one of the city’s most significant historic urban planning features.
  • C. Chicago Skyway
    The Chicago Skyway is a toll bridge and elevated highway on the South Side of Chicago that links the city’s expressway system to the Indiana Toll Road.
  • D. Chicago expressway system
    The Chicago expressway system is a network of major limited-access highways that connect the city of Chicago with its suburbs and regional destinations, facilitating high-volume commuter and freight traffic.
  • E. Washington Street Elevated
    Washington Street Elevated was a former elevated rapid transit line in Boston that once carried Orange Line trains along Washington Street through several neighborhoods.
  • 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: Chicago Pedway system
Triple: [Millennium Station, hasConnection, Chicago Pedway system]
Generated description
The Chicago Pedway system is an extensive network of underground and overhead pedestrian walkways in downtown Chicago that links major buildings, transit stations, and attractions, providing sheltered passage throughout the Loop.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chicago Pedway system
Target entity description: The Chicago Pedway system is an extensive network of underground and overhead pedestrian walkways in downtown Chicago that links major buildings, transit stations, and attractions, providing sheltered passage throughout the Loop.
  • A. Chicago Riverwalk
    The Chicago Riverwalk is a scenic pedestrian waterfront along the Chicago River featuring walking paths, restaurants, public art, and recreational spaces in downtown Chicago.
  • B. Chicago park and boulevard system
    The Chicago park and boulevard system is an interconnected network of parks and landscaped boulevards designed to encircle and link neighborhoods throughout Chicago, forming one of the city’s most significant historic urban planning features.
  • C. Chicago Skyway
    The Chicago Skyway is a toll bridge and elevated highway on the South Side of Chicago that links the city’s expressway system to the Indiana Toll Road.
  • D. Chicago expressway system
    The Chicago expressway system is a network of major limited-access highways that connect the city of Chicago with its suburbs and regional destinations, facilitating high-volume commuter and freight traffic.
  • E. Washington Street Elevated
    Washington Street Elevated was a former elevated rapid transit line in Boston that once carried Orange Line trains along Washington Street through several neighborhoods.
  • 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_69bd4435c2f48190be593158cbfcf8a3 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd73656edc8190b802ad38d9552b58 completed March 20, 2026, 4:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69be9282e2b08190abfa2c3e450957d4 completed March 21, 2026, 12:43 p.m.
NEDg Description generation batch_69be94965c4c8190b91be72f483d4b29 completed March 21, 2026, 12:52 p.m.
NED2 Entity disambiguation (via description) batch_69be9527906481909d6a42a262a67c31 completed March 21, 2026, 12:55 p.m.
Created at: March 20, 2026, 1:36 p.m.