Triple

T1217886
Position Surface form Disambiguated ID Type / Status
Subject Red Line (Washington Metro) E26147 entity
Predicate servesNeighborhood P82 FINISHED
Object Brookland
Brookland is a residential neighborhood in Northeast Washington, D.C., known for its Catholic institutions, including the Catholic University of America, and its mix of historic homes and growing arts and dining scenes.
E157202 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: Brookland | Statement: [Red Line (Washington Metro), servesNeighborhood, Brookland]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Brookland
Context triple: [Red Line (Washington Metro), servesNeighborhood, Brookland]
  • A. Columbia Heights
    Columbia Heights is a diverse, densely populated neighborhood in northwest Washington, D.C., known for its vibrant commercial corridors, cultural mix, and historic rowhouse architecture.
  • B. Cleveland Park
    Cleveland Park is a historic, tree-lined residential neighborhood in Washington, D.C., known for its early 20th-century architecture, hilly terrain, and vibrant commercial strip along Connecticut Avenue.
  • C. Tenleytown
    Tenleytown is a historic residential and commercial neighborhood in the northwest quadrant of Washington, D.C., known for its urban village feel, Metro access, and proximity to American University.
  • D. Friendship Heights
    Friendship Heights is a mixed residential and commercial neighborhood and shopping district straddling the Washington, D.C.–Maryland border, known for its upscale retail and easy Metro access.
  • E. Allston
    Allston is a Boston neighborhood located across the Charles River from Harvard’s main campus, known for its mix of students, residential areas, and commercial spaces.
  • 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: Brookland
Triple: [Red Line (Washington Metro), servesNeighborhood, Brookland]
Generated description
Brookland is a residential neighborhood in Northeast Washington, D.C., known for its Catholic institutions, including the Catholic University of America, and its mix of historic homes and growing arts and dining scenes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Brookland
Target entity description: Brookland is a residential neighborhood in Northeast Washington, D.C., known for its Catholic institutions, including the Catholic University of America, and its mix of historic homes and growing arts and dining scenes.
  • A. Columbia Heights
    Columbia Heights is a diverse, densely populated neighborhood in northwest Washington, D.C., known for its vibrant commercial corridors, cultural mix, and historic rowhouse architecture.
  • B. Cleveland Park
    Cleveland Park is a historic, tree-lined residential neighborhood in Washington, D.C., known for its early 20th-century architecture, hilly terrain, and vibrant commercial strip along Connecticut Avenue.
  • C. Tenleytown
    Tenleytown is a historic residential and commercial neighborhood in the northwest quadrant of Washington, D.C., known for its urban village feel, Metro access, and proximity to American University.
  • D. Friendship Heights
    Friendship Heights is a mixed residential and commercial neighborhood and shopping district straddling the Washington, D.C.–Maryland border, known for its upscale retail and easy Metro access.
  • E. Allston
    Allston is a Boston neighborhood located across the Charles River from Harvard’s main campus, known for its mix of students, residential areas, and commercial spaces.
  • 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_69a4948331fc8190b531ac9bec71c491 completed March 1, 2026, 7:33 p.m.
NER Named-entity recognition batch_69a4be08157c8190b248bb75b922644f completed March 1, 2026, 10:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69acd46eefa48190baebc12fdf916941 completed March 8, 2026, 1:44 a.m.
NEDg Description generation batch_69acd517cfec8190ba294bb890d0b4b1 completed March 8, 2026, 1:47 a.m.
NED2 Entity disambiguation (via description) batch_69acd58946588190a5e92c62b585cdfc completed March 8, 2026, 1:48 a.m.
Created at: March 1, 2026, 7:46 p.m.