Triple

T11314592
Position Surface form Disambiguated ID Type / Status
Subject Diversey station E267931 entity
Predicate connectingBusRoute P11026 FINISHED
Object CTA 8 Halsted
CTA 8 Halsted is a Chicago Transit Authority bus route that runs primarily along Halsted Street, providing north–south service through several city neighborhoods.
 E917621 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: CTA 8 Halsted | Statement: [Diversey station, connectingBusRoute, CTA 8 Halsted]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: CTA 8 Halsted
Context triple: [Diversey station, connectingBusRoute, CTA 8 Halsted]
  • A. CTA Blue Line
    The CTA Blue Line is a major Chicago 'L' rapid transit route that runs between O'Hare International Airport, downtown Chicago, and the city's western neighborhoods and suburbs.
  • B. IND 63rd Street Line
    The IND 63rd Street Line is a New York City Subway line in Manhattan and Queens that carries F and sometimes other services through the 63rd Street Tunnel.
  • C. CTA Orange Line
    The CTA Orange Line is a Chicago 'L' rapid transit route that runs between the Loop and Midway International Airport, serving the city's Southwest Side.
  • D. CTA Route 201 Central/Ridge
    CTA Route 201 Central/Ridge is a Chicago Transit Authority bus route serving Evanston and nearby North Shore communities, connecting key local destinations and transit hubs including the Davis station.
  • E. Addison (Brown Line)
    Addison is an elevated Chicago 'L' station on the CTA's Brown Line serving the North Center/Lincoln Square area.
  • 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: CTA 8 Halsted
Triple: [Diversey station, connectingBusRoute, CTA 8 Halsted]
Generated description
CTA 8 Halsted is a Chicago Transit Authority bus route that runs primarily along Halsted Street, providing north–south service through several city neighborhoods.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: CTA 8 Halsted
Target entity description: CTA 8 Halsted is a Chicago Transit Authority bus route that runs primarily along Halsted Street, providing north–south service through several city neighborhoods.
  • A. CTA Blue Line
    The CTA Blue Line is a major Chicago 'L' rapid transit route that runs between O'Hare International Airport, downtown Chicago, and the city's western neighborhoods and suburbs.
  • B. IND 63rd Street Line
    The IND 63rd Street Line is a New York City Subway line in Manhattan and Queens that carries F and sometimes other services through the 63rd Street Tunnel.
  • C. CTA Orange Line
    The CTA Orange Line is a Chicago 'L' rapid transit route that runs between the Loop and Midway International Airport, serving the city's Southwest Side.
  • D. CTA Route 201 Central/Ridge
    CTA Route 201 Central/Ridge is a Chicago Transit Authority bus route serving Evanston and nearby North Shore communities, connecting key local destinations and transit hubs including the Davis station.
  • E. Addison (Brown Line)
    Addison is an elevated Chicago 'L' station on the CTA's Brown Line serving the North Center/Lincoln Square area.
  • 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_69d6aaca5c24819083db46a30d86cb34 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e9c2c7b081909af8acebc8aa93aa completed April 9, 2026, 6:02 p.m.
NED1 Entity disambiguation (via context triple) batch_69e50a910a2c8190b8afd4c988e64141 completed April 19, 2026, 5:02 p.m.
NEDg Description generation batch_69e5167083fc8190b5cdbfca5b25b295 completed April 19, 2026, 5:52 p.m.
NED2 Entity disambiguation (via description) batch_69e51795f024819086bfe7deba485fdd completed April 19, 2026, 5:57 p.m.
Created at: April 8, 2026, 9:32 p.m.