Triple

T16239965
Position Surface form Disambiguated ID Type / Status
Subject Frederick Douglass Memorial Bridge E394215 entity
Predicate partOf P40 FINISHED
Object South Capitol Street Corridor
The South Capitol Street Corridor is a major transportation and redevelopment corridor in Washington, D.C., running south from the U.S. Capitol toward the Anacostia River and surrounding neighborhoods.
E1203179 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: South Capitol Street Corridor | Statement: [Frederick Douglass Memorial Bridge, partOf, South Capitol Street Corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: South Capitol Street Corridor
Context triple: [Frederick Douglass Memorial Bridge, partOf, South Capitol Street Corridor]
  • A. East Capitol Street corridor
    The East Capitol Street corridor is a major thoroughfare in Washington, D.C., running east from the U.S. Capitol and serving as a key residential and commercial artery for several neighborhoods in the eastern part of the city.
  • B. Vermont Avenue corridor
    The Vermont Avenue corridor is a major north–south thoroughfare in Los Angeles lined with diverse neighborhoods, businesses, and transit connections.
  • C. First Street Corridor
    First Street Corridor is a mixed-use commercial and residential area in Cambridge, Massachusetts, known for its shops, offices, and urban streetscape near Lechmere Square.
  • D. U Street Corridor
    U Street Corridor is a historic and culturally vibrant neighborhood in Washington, D.C., long known as a center of African American arts, music, and nightlife.
  • E. H Street Corridor
    H Street Corridor is a revitalized commercial and entertainment district in Northeast Washington, D.C., known for its nightlife, restaurants, arts venues, and historic streetcar route.
  • 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: South Capitol Street Corridor
Triple: [Frederick Douglass Memorial Bridge, partOf, South Capitol Street Corridor]
Generated description
The South Capitol Street Corridor is a major transportation and redevelopment corridor in Washington, D.C., running south from the U.S. Capitol toward the Anacostia River and surrounding neighborhoods.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: South Capitol Street Corridor
Target entity description: The South Capitol Street Corridor is a major transportation and redevelopment corridor in Washington, D.C., running south from the U.S. Capitol toward the Anacostia River and surrounding neighborhoods.
  • A. East Capitol Street corridor
    The East Capitol Street corridor is a major thoroughfare in Washington, D.C., running east from the U.S. Capitol and serving as a key residential and commercial artery for several neighborhoods in the eastern part of the city.
  • B. Vermont Avenue corridor
    The Vermont Avenue corridor is a major north–south thoroughfare in Los Angeles lined with diverse neighborhoods, businesses, and transit connections.
  • C. First Street Corridor
    First Street Corridor is a mixed-use commercial and residential area in Cambridge, Massachusetts, known for its shops, offices, and urban streetscape near Lechmere Square.
  • D. U Street Corridor
    U Street Corridor is a historic and culturally vibrant neighborhood in Washington, D.C., long known as a center of African American arts, music, and nightlife.
  • E. H Street Corridor
    H Street Corridor is a revitalized commercial and entertainment district in Northeast Washington, D.C., known for its nightlife, restaurants, arts venues, and historic streetcar route.
  • 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_69d87f2171208190951025e526947816 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e2455d5270819090171d4207223a28 completed April 17, 2026, 2:36 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0017afc578819086478bbdddc149df completed May 10, 2026, 5:29 a.m.
NEDg Description generation batch_6a0018a2e8c08190a27c242f635b54ee completed May 10, 2026, 5:33 a.m.
NED2 Entity disambiguation (via description) batch_6a0018f6de84819087b8e97b0400c77d completed May 10, 2026, 5:34 a.m.
Created at: April 10, 2026, 5:04 a.m.