Triple

T4821968
Position Surface form Disambiguated ID Type / Status
Subject Federal Triangle E107729 entity
Predicate servedBy P82 FINISHED
Object Metro Orange Line
The Metro Orange Line is a Washington, D.C. Metrorail route that runs east–west through the region, connecting key downtown stations with suburbs in Virginia and Maryland.
 E472621 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: Metro Orange Line | Statement: [Federal Triangle, servedBy, Metro Orange Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metro Orange Line
Context triple: [Federal Triangle, servedBy, Metro Orange Line]
  • A. MAX Orange Line
    The MAX Orange Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with the southeast corridor, including Milwaukie.
  • B. Metro A Line
    The Metro A Line is a light rail line in Los Angeles County that runs between downtown Los Angeles and Long Beach as part of the region’s Metro Rail system.
  • C. METRO Blue Line
    The METRO Blue Line is a major light rail transit route in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with the Mall of America and Minneapolis–Saint Paul International Airport.
  • D. Metro Blue Line
    Metro Blue Line is a light rail line in Los Angeles County that runs between downtown Los Angeles and Long Beach as part of the LA Metro Rail system.
  • E. Metro E Line
    The Metro E Line is a light rail line in Los Angeles that runs between East Los Angeles and Santa Monica, providing a major east–west transit corridor across the city.
  • 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: Metro Orange Line
Triple: [Federal Triangle, servedBy, Metro Orange Line]
Generated description
The Metro Orange Line is a Washington, D.C. Metrorail route that runs east–west through the region, connecting key downtown stations with suburbs in Virginia and Maryland.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Metro Orange Line
Target entity description: The Metro Orange Line is a Washington, D.C. Metrorail route that runs east–west through the region, connecting key downtown stations with suburbs in Virginia and Maryland.
  • A. MAX Orange Line
    The MAX Orange Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with the southeast corridor, including Milwaukie.
  • B. Metro A Line
    The Metro A Line is a light rail line in Los Angeles County that runs between downtown Los Angeles and Long Beach as part of the region’s Metro Rail system.
  • C. METRO Blue Line
    The METRO Blue Line is a major light rail transit route in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with the Mall of America and Minneapolis–Saint Paul International Airport.
  • D. Metro Blue Line
    Metro Blue Line is a light rail line in Los Angeles County that runs between downtown Los Angeles and Long Beach as part of the LA Metro Rail system.
  • E. Metro E Line
    The Metro E Line is a light rail line in Los Angeles that runs between East Los Angeles and Santa Monica, providing a major east–west transit corridor across the city.
  • 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_69bd43f9efa081908314cb3e94fa1695 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd6caa95ec8190bea525dbf3a00477 completed March 20, 2026, 3:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69be4dc3cf5c8190bcd6ef039bab9878 completed March 21, 2026, 7:50 a.m.
NEDg Description generation batch_69be4e8385e08190a46b1e129234c884 completed March 21, 2026, 7:53 a.m.
NED2 Entity disambiguation (via description) batch_69be4f27f5a48190b639c9212e46f21d completed March 21, 2026, 7:56 a.m.
Created at: March 20, 2026, 1:24 p.m.