Triple

T3181967
Position Surface form Disambiguated ID Type / Status
Subject Magoun Square E66608 entity
Predicate near P350 FINISHED
Object Somerville City Hall
Somerville City Hall is the main municipal government building for the city of Somerville, Massachusetts, housing key administrative offices and public services.
 E333265 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: Somerville City Hall | Statement: [Magoun Square, near, Somerville City Hall]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Somerville City Hall
Context triple: [Magoun Square, near, Somerville City Hall]
  • A. Newton City Hall
    Newton City Hall is the main municipal government building and administrative center for the city of Newton, Massachusetts.
  • B. Medford City Hall
    Medford City Hall is the main municipal government building of Medford, Massachusetts, housing city offices and serving as a central civic landmark.
  • C. Holyoke City Hall
    Holyoke City Hall is a historic municipal building in downtown Holyoke, Massachusetts, known for its distinctive architecture and role as the center of city government.
  • D. Watertown City Hall
    Watertown City Hall is the main municipal government building and administrative center serving the city of Watertown, Massachusetts.
  • E. Boston City Hall
    Boston City Hall is a prominent example of Brutalist civic architecture in downtown Boston that houses the city’s municipal government offices and council chambers.
  • 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: Somerville City Hall
Triple: [Magoun Square, near, Somerville City Hall]
Generated description
Somerville City Hall is the main municipal government building for the city of Somerville, Massachusetts, housing key administrative offices and public services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Somerville City Hall
Target entity description: Somerville City Hall is the main municipal government building for the city of Somerville, Massachusetts, housing key administrative offices and public services.
  • A. Newton City Hall
    Newton City Hall is the main municipal government building and administrative center for the city of Newton, Massachusetts.
  • B. Medford City Hall
    Medford City Hall is the main municipal government building of Medford, Massachusetts, housing city offices and serving as a central civic landmark.
  • C. Holyoke City Hall
    Holyoke City Hall is a historic municipal building in downtown Holyoke, Massachusetts, known for its distinctive architecture and role as the center of city government.
  • D. Watertown City Hall
    Watertown City Hall is the main municipal government building and administrative center serving the city of Watertown, Massachusetts.
  • E. Boston City Hall
    Boston City Hall is a prominent example of Brutalist civic architecture in downtown Boston that houses the city’s municipal government offices and council chambers.
  • 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_69ad8587c1bc8190a2595f2c22ee1001 completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69ada6bd07888190b680eace8290d821 completed March 8, 2026, 4:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69b235fd1688819080fa1d73d2b233ba completed March 12, 2026, 3:41 a.m.
NEDg Description generation batch_69b236e61ae88190a76b942c6cddff41 completed March 12, 2026, 3:45 a.m.
NED2 Entity disambiguation (via description) batch_69b23770ed4c8190b5d929cc95a286a0 completed March 12, 2026, 3:48 a.m.
Created at: March 8, 2026, 3:06 p.m.