Triple

T4223528
Position Surface form Disambiguated ID Type / Status
Subject Sever Hall, Harvard University E94397 entity
Predicate locatedOnCampus P269 FINISHED
Object Cambridge campus of Harvard University
The Cambridge campus of Harvard University is the university’s historic main campus in Cambridge, Massachusetts, encompassing Harvard Yard and many of its central academic, residential, and administrative buildings.
 E422845 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 campus of Harvard University | Statement: [Sever Hall, Harvard University, locatedOnCampus, Cambridge campus of Harvard University]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cambridge campus of Harvard University
Context triple: [Sever Hall, Harvard University, locatedOnCampus, Cambridge campus of Harvard University]
  • A. MIT Cambridge campus
    The MIT Cambridge campus is the main urban university grounds of the Massachusetts Institute of Technology, located along the Charles River in Cambridge, Massachusetts, and known for its cutting-edge research facilities and distinctive modernist architecture.
  • B. Harvard University Allston campus
    Harvard University Allston campus is Harvard’s expanding campus across the Charles River from Cambridge that hosts athletic facilities like Lavietes Pavilion along with growing academic and research spaces.
  • C. Cambridge campus
    Cambridge campus is a satellite location of the University of Waterloo situated in Cambridge, Ontario, supporting specialized academic and research programs.
  • D. Cambridge campus
    Cambridge campus is a main site of Anglia Ruskin University located in the historic university city of Cambridge, England.
  • E. Harvard Medical School Quad
    Harvard Medical School Quad is the central green courtyard and focal gathering space of Harvard Medical School’s campus in Boston’s Longwood Medical 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: Cambridge campus of Harvard University
Triple: [Sever Hall, Harvard University, locatedOnCampus, Cambridge campus of Harvard University]
Generated description
The Cambridge campus of Harvard University is the university’s historic main campus in Cambridge, Massachusetts, encompassing Harvard Yard and many of its central academic, residential, and administrative buildings.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Cambridge campus of Harvard University
Target entity description: The Cambridge campus of Harvard University is the university’s historic main campus in Cambridge, Massachusetts, encompassing Harvard Yard and many of its central academic, residential, and administrative buildings.
  • A. MIT Cambridge campus
    The MIT Cambridge campus is the main urban university grounds of the Massachusetts Institute of Technology, located along the Charles River in Cambridge, Massachusetts, and known for its cutting-edge research facilities and distinctive modernist architecture.
  • B. Harvard University Allston campus
    Harvard University Allston campus is Harvard’s expanding campus across the Charles River from Cambridge that hosts athletic facilities like Lavietes Pavilion along with growing academic and research spaces.
  • C. Cambridge campus
    Cambridge campus is a satellite location of the University of Waterloo situated in Cambridge, Ontario, supporting specialized academic and research programs.
  • D. Cambridge campus
    Cambridge campus is a main site of Anglia Ruskin University located in the historic university city of Cambridge, England.
  • E. Harvard Medical School Quad
    Harvard Medical School Quad is the central green courtyard and focal gathering space of Harvard Medical School’s campus in Boston’s Longwood Medical 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_69b3453700a08190ae88792e3dc63207 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b34e0f4f18819089779c37c626762e completed March 12, 2026, 11:36 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5964532e08190bb1dc56f734e6ebb completed March 14, 2026, 5:09 p.m.
NEDg Description generation batch_69b59a0e97d481908dfbab773468f3d5 completed March 14, 2026, 5:25 p.m.
NED2 Entity disambiguation (via description) batch_69b59e23353c819080b56841d7f32cae completed March 14, 2026, 5:42 p.m.
Created at: March 12, 2026, 11:04 p.m.