Triple

T6171640
Position Surface form Disambiguated ID Type / Status
Subject Cambridge Public Library main branch E137712 entity
Predicate isCentralBranchOf P43609 FINISHED
Object Cambridge Public Library system
The Cambridge Public Library system is the network of public libraries serving the city of Cambridge, Massachusetts, providing community access to books, digital resources, and educational programs across multiple neighborhood branches.
E137712 NE FINISHED

How this triple was built (5 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 system | Statement: [Cambridge Public Library main branch, isCentralBranchOf, Cambridge Public Library system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cambridge Public Library system
Context triple: [Cambridge Public Library main branch, isCentralBranchOf, Cambridge Public Library system]
  • A. 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.
  • B. Boston Library Consortium
    The Boston Library Consortium is a cooperative association of academic and research libraries in the New England region that collaborates to share resources, services, and expertise.
  • C. Cambridge Public Library main branch
    The Cambridge Public Library main branch is the central public library facility serving residents and visitors in Cambridge, Massachusetts.
  • D. Middlesex Public Library
    Middlesex Public Library is the community library serving residents of Middlesex Borough, New Jersey, providing access to books, media, and local programs.
  • E. Newton, Massachusetts public library system
    The Newton, Massachusetts public library system is a network of public libraries serving the city of Newton with lending collections, research resources, and community programs for residents of all ages.
  • 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 system
Triple: [Cambridge Public Library main branch, isCentralBranchOf, Cambridge Public Library system]
Generated description
The Cambridge Public Library system is the network of public libraries serving the city of Cambridge, Massachusetts, providing community access to books, digital resources, and educational programs across multiple neighborhood branches.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cambridge Public Library system
Target entity description: The Cambridge Public Library system is the network of public libraries serving the city of Cambridge, Massachusetts, providing community access to books, digital resources, and educational programs across multiple neighborhood branches.
  • A. 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.
  • B. Boston Library Consortium
    The Boston Library Consortium is a cooperative association of academic and research libraries in the New England region that collaborates to share resources, services, and expertise.
  • C. Cambridge Public Library main branch chosen
    The Cambridge Public Library main branch is the central public library facility serving residents and visitors in Cambridge, Massachusetts.
  • D. Middlesex Public Library
    Middlesex Public Library is the community library serving residents of Middlesex Borough, New Jersey, providing access to books, media, and local programs.
  • E. Newton, Massachusetts public library system
    The Newton, Massachusetts public library system is a network of public libraries serving the city of Newton with lending collections, research resources, and community programs for residents of all ages.
  • F. None of above.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: isCentralBranchOf
Context triple: [Cambridge Public Library main branch, isCentralBranchOf, Cambridge Public Library system]
  • A. isSouthernBranchOf
    Indicates that one entity functions as the southern subdivision or regional branch of another, larger organization or structure.
  • B. centralBranch chosen
    Indicates that one entity functions as the main or primary branch within a larger organizational or structural system relative to another entity.
  • C. hasBranchOffice
    Indicates that one organization maintains a branch office or subsidiary location in another place or entity.
  • D. isIndependentBranchOf
    Indicates that one branch or subdivision operates autonomously and is not subordinate to the other branch or organization it is associated with.
  • E. isCentralTo
    Indicates that something plays a primary, essential, or defining role in relation to something else, such that the latter depends on or is organized around it.
  • F. None of above.

Provenance (6 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_69c008a68c508190a8d78245c865960e completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c05d910c3c8190ae6af548259295ff completed March 22, 2026, 9:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69c20d7783988190a0f0c8b37abe7069 completed March 24, 2026, 4:05 a.m.
NEDg Description generation batch_69c211b3d06c81908b8eb7b3fe1b7e55 completed March 24, 2026, 4:23 a.m.
NED2 Entity disambiguation (via description) batch_69c2122ed0f0819083c1e06b211b26d4 completed March 24, 2026, 4:25 a.m.
PD Predicate disambiguation batch_69c055f7f12881908e21c04e9b752ba4 completed March 22, 2026, 8:50 p.m.
Created at: March 22, 2026, 4:18 p.m.