Triple

T16442267
Position Surface form Disambiguated ID Type / Status
Subject CTA rail network E399332 entity
Predicate hasStation P35 FINISHED
Object Harlem/Lake
Harlem/Lake is a major western terminal station on Chicago's CTA Green Line serving the Oak Park area.
E1212918 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: Harlem/Lake | Statement: [CTA rail network, hasStation, Harlem/Lake]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Harlem/Lake
Context triple: [CTA rail network, hasStation, Harlem/Lake]
  • A. Harlem Park
    Harlem Park is a historic residential neighborhood in West Baltimore known for its rowhouses, community institutions, and role in the city’s African American cultural and social life.
  • B. Harlem Valley
    Harlem Valley is a scenic river valley in southeastern New York known for its rural landscapes, small towns, and historic rail corridor.
  • C. Harlem
    Harlem is a historic neighborhood in Upper Manhattan, New York City, renowned as a major African-American cultural and artistic center, especially noted for the Harlem Renaissance.
  • D. Harlem
    Harlem is an unincorporated community in Hendry County, Florida, known as a small, historically African American settlement near the city of Clewiston.
  • E. Union Park
    Union Park was a late 19th-century baseball stadium in Baltimore, Maryland, best known as the primary venue for the National League’s Baltimore Orioles during their championship years.
  • 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: Harlem/Lake
Triple: [CTA rail network, hasStation, Harlem/Lake]
Generated description
Harlem/Lake is a major western terminal station on Chicago's CTA Green Line serving the Oak Park area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Harlem/Lake
Target entity description: Harlem/Lake is a major western terminal station on Chicago's CTA Green Line serving the Oak Park area.
  • A. Harlem Park
    Harlem Park is a historic residential neighborhood in West Baltimore known for its rowhouses, community institutions, and role in the city’s African American cultural and social life.
  • B. Harlem Valley
    Harlem Valley is a scenic river valley in southeastern New York known for its rural landscapes, small towns, and historic rail corridor.
  • C. Harlem
    Harlem is a historic neighborhood in Upper Manhattan, New York City, renowned as a major African-American cultural and artistic center, especially noted for the Harlem Renaissance.
  • D. Harlem
    Harlem is an unincorporated community in Hendry County, Florida, known as a small, historically African American settlement near the city of Clewiston.
  • E. Union Park
    Union Park was a late 19th-century baseball stadium in Baltimore, Maryland, best known as the primary venue for the National League’s Baltimore Orioles during their championship years.
  • 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_69d87f2c6778819080fcfae53be8f12a completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e32ba91dc48190bc35db60f63d36d3 completed April 18, 2026, 6:58 a.m.
NED1 Entity disambiguation (via context triple) batch_6a00458f8f3c8190ad5eff2ad2a32dea completed May 10, 2026, 8:45 a.m.
NEDg Description generation batch_6a00461390608190848c3b896042f1fd completed May 10, 2026, 8:47 a.m.
NED2 Entity disambiguation (via description) batch_6a0046a88e048190baa78506808171b8 completed May 10, 2026, 8:49 a.m.
Created at: April 10, 2026, 5:10 a.m.