Triple

T256761
Position Surface form Disambiguated ID Type / Status
Subject Central Square E5451 entity
Predicate hasInstitution P186 FINISHED
Object Cambridge Public Library Central Square Branch
Cambridge Public Library Central Square Branch is a neighborhood public library facility in Cambridge, Massachusetts, providing lending services, community programs, and study spaces to residents in the Central Square area.
 E33621 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: Cambridge Public Library Central Square Branch | Statement: [Central Square, hasInstitution, Cambridge Public Library Central Square Branch]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cambridge Public Library Central Square Branch
Context triple: [Central Square, hasInstitution, Cambridge Public Library Central Square Branch]
  • A. Boston Public Library (Copley Square main branch)
    The Boston Public Library’s Copley Square main branch is a landmark public library and cultural center renowned for its historic architecture, extensive collections, and prominent role in the city’s intellectual and civic life.
  • B. Belmont Public Library
    Belmont Public Library is the main public library serving the town of Belmont, Massachusetts, providing community access to books, media, and educational programs.
  • C. Hayden Library
    Hayden Library is the main humanities and science library at the Massachusetts Institute of Technology, serving as a central hub for research and study on campus.
  • D. Reuben Hoar Library
    Reuben Hoar Library is the public library serving the town of Littleton, Massachusetts, providing community access to books, media, and educational resources.
  • E. James E. Shepard Memorial Library
    James E. Shepard Memorial Library is the main academic library and research hub of North Carolina Central University, serving students, faculty, and the surrounding community.
  • 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: Cambridge Public Library Central Square Branch
Triple: [Central Square, hasInstitution, Cambridge Public Library Central Square Branch]
Generated description
Cambridge Public Library Central Square Branch is a neighborhood public library facility in Cambridge, Massachusetts, providing lending services, community programs, and study spaces to residents in the Central Square area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Cambridge Public Library Central Square Branch
Target entity description: Cambridge Public Library Central Square Branch is a neighborhood public library facility in Cambridge, Massachusetts, providing lending services, community programs, and study spaces to residents in the Central Square area.
  • A. Boston Public Library (Copley Square main branch)
    The Boston Public Library’s Copley Square main branch is a landmark public library and cultural center renowned for its historic architecture, extensive collections, and prominent role in the city’s intellectual and civic life.
  • B. Belmont Public Library
    Belmont Public Library is the main public library serving the town of Belmont, Massachusetts, providing community access to books, media, and educational programs.
  • C. Hayden Library
    Hayden Library is the main humanities and science library at the Massachusetts Institute of Technology, serving as a central hub for research and study on campus.
  • D. Reuben Hoar Library
    Reuben Hoar Library is the public library serving the town of Littleton, Massachusetts, providing community access to books, media, and educational resources.
  • E. James E. Shepard Memorial Library
    James E. Shepard Memorial Library is the main academic library and research hub of North Carolina Central University, serving students, faculty, and the surrounding community.
  • 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_69a2580a64ac8190ad76e34bb0715b5e completed Feb. 28, 2026, 2:50 a.m.
NER Named-entity recognition batch_69a25d5884c88190a349d7593b688921 completed Feb. 28, 2026, 3:13 a.m.
NED1 Entity disambiguation (via context triple) batch_69a3837479408190bb6e6f0eb6a7fe46 completed March 1, 2026, 12:08 a.m.
NEDg Description generation batch_69a384140aec8190ab918512cf088464 completed March 1, 2026, 12:11 a.m.
NED2 Entity disambiguation (via description) batch_69a3848c0ed08190acf0d0e33ca8b41c completed March 1, 2026, 12:13 a.m.
Created at: Feb. 28, 2026, 2:55 a.m.