Triple

T2587
Position Surface form Disambiguated ID Type / Status
Subject Cambridge, Massachusetts E48 entity
Predicate contains P35 FINISHED
Object Porter Square
Porter Square is a bustling commercial and transit hub in northern Cambridge, Massachusetts, known for its shopping centers, restaurants, and MBTA Red Line and commuter rail station.
E7476 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: Porter Square | Statement: [Cambridge, Massachusetts, contains, Porter Square]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Porter Square
Context triple: [Cambridge, Massachusetts, contains, Porter Square]
  • A. Harvard Square
    Harvard Square is a historic commercial and cultural center in Cambridge, Massachusetts, known for its vibrant mix of shops, restaurants, street performers, and its proximity to Harvard University.
  • B. Harvard Yard
    Harvard Yard is the historic central area of Harvard University’s campus in Cambridge, Massachusetts, known for its iconic brick buildings, freshman dormitories, and academic landmarks.
  • C. Central Square
    Central Square is a vibrant commercial and cultural district in Cambridge, Massachusetts, known for its diverse restaurants, nightlife, music venues, and arts scene.
  • D. Dupont Circle
    Dupont Circle is a vibrant, historic neighborhood in Washington, D.C., known for its traffic circle, embassies, nightlife, and cultural institutions.
  • E. Belmont Center Historic District
    Belmont Center Historic District is a historically significant commercial and civic core of Belmont, Massachusetts, noted for its early 20th-century architecture and role as the town’s primary downtown area.
  • 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: Porter Square
Triple: [Cambridge, Massachusetts, contains, Porter Square]
Generated description
Porter Square is a bustling commercial and transit hub in northern Cambridge, Massachusetts, known for its shopping centers, restaurants, and MBTA Red Line and commuter rail station.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Porter Square
Target entity description: Porter Square is a bustling commercial and transit hub in northern Cambridge, Massachusetts, known for its shopping centers, restaurants, and MBTA Red Line and commuter rail station.
  • A. Harvard Square
    Harvard Square is a historic commercial and cultural center in Cambridge, Massachusetts, known for its vibrant mix of shops, restaurants, street performers, and its proximity to Harvard University.
  • B. Harvard Yard
    Harvard Yard is the historic central area of Harvard University’s campus in Cambridge, Massachusetts, known for its iconic brick buildings, freshman dormitories, and academic landmarks.
  • C. Central Square
    Central Square is a vibrant commercial and cultural district in Cambridge, Massachusetts, known for its diverse restaurants, nightlife, music venues, and arts scene.
  • D. Dupont Circle
    Dupont Circle is a vibrant, historic neighborhood in Washington, D.C., known for its traffic circle, embassies, nightlife, and cultural institutions.
  • E. Belmont Center Historic District
    Belmont Center Historic District is a historically significant commercial and civic core of Belmont, Massachusetts, noted for its early 20th-century architecture and role as the town’s primary downtown area.
  • 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_69a22e0d37588190897cf37a323013f5 completed Feb. 27, 2026, 11:51 p.m.
NER Named-entity recognition batch_69a232e673a881909276dbf9c37bbff6 completed Feb. 28, 2026, 12:12 a.m.
NED1 Entity disambiguation (via context triple) batch_69a25aac4900819093912edb0121ff9d completed Feb. 28, 2026, 3:02 a.m.
NEDg Description generation batch_69a25ba5676881908ac366ed6c0e0d1b completed Feb. 28, 2026, 3:06 a.m.
NED2 Entity disambiguation (via description) batch_69a25f907d908190a3aafe250cf58919 completed Feb. 28, 2026, 3:22 a.m.
Created at: Feb. 27, 2026, 11:55 p.m.