Triple

T3790570
Position Surface form Disambiguated ID Type / Status
Subject Lechmere Square E89634 entity
Predicate hasLandmark P105 FINISHED
Object 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.
E388807 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: First Street Corridor | Statement: [Lechmere Square, hasLandmark, First Street Corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: First Street Corridor
Context triple: [Lechmere Square, hasLandmark, First Street Corridor]
  • A. Third Street corridor
    The Third Street corridor is a key urban transit and development area in San Francisco’s Bayview and southeastern neighborhoods, anchored by the Muni light rail line that runs along Third Street.
  • B. 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.
  • C. Eisenhower Avenue corridor
    Eisenhower Avenue corridor is a mixed-use urban area in Alexandria, Virginia, characterized by office buildings, residential developments, and commercial spaces along Eisenhower Avenue.
  • D. Ridge Avenue corridor
    The Ridge Avenue corridor is a transit alignment in Philadelphia that carries the Broad–Ridge Spur of the Broad Street Subway along Ridge Avenue.
  • E. Rhode Island Avenue NE corridor
    The Rhode Island Avenue NE corridor is a major commercial and transportation artery in Northeast Washington, D.C., lined with shops, services, and residential neighborhoods and served by multiple transit options.
  • 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: First Street Corridor
Triple: [Lechmere Square, hasLandmark, First Street Corridor]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: First Street Corridor
Target entity description: 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.
  • A. Third Street corridor
    The Third Street corridor is a key urban transit and development area in San Francisco’s Bayview and southeastern neighborhoods, anchored by the Muni light rail line that runs along Third Street.
  • B. 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.
  • C. Eisenhower Avenue corridor
    Eisenhower Avenue corridor is a mixed-use urban area in Alexandria, Virginia, characterized by office buildings, residential developments, and commercial spaces along Eisenhower Avenue.
  • D. Ridge Avenue corridor
    The Ridge Avenue corridor is a transit alignment in Philadelphia that carries the Broad–Ridge Spur of the Broad Street Subway along Ridge Avenue.
  • E. Rhode Island Avenue NE corridor
    The Rhode Island Avenue NE corridor is a major commercial and transportation artery in Northeast Washington, D.C., lined with shops, services, and residential neighborhoods and served by multiple transit options.
  • 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_69aed9597d6881909b6ee3b9de859223 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aee76733248190a24a1143c64bd6c6 completed March 9, 2026, 3:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69b4f055e3988190a1b3633e390c0d6f completed March 14, 2026, 5:21 a.m.
NEDg Description generation batch_69b4f2094c988190a812194ef5598cdf completed March 14, 2026, 5:28 a.m.
NED2 Entity disambiguation (via description) batch_69b4f26aee948190b95c94801f0959ec completed March 14, 2026, 5:30 a.m.
Created at: March 9, 2026, 3:15 p.m.