Triple

T2597
Position Surface form Disambiguated ID Type / Status
Subject Cambridge, Massachusetts E48 entity
Predicate hasLandmark P105 FINISHED
Object Harvard–MIT Bridge
The Harvard–MIT Bridge is a notable span over the Charles River in Cambridge, Massachusetts, connecting the campuses of Harvard University and the Massachusetts Institute of Technology.
 E2860 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: Harvard–MIT Bridge | Statement: [Cambridge, Massachusetts, hasLandmark, Harvard–MIT Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Harvard–MIT Bridge
Context triple: [Cambridge, Massachusetts, hasLandmark, Harvard–MIT Bridge]
  • A. Tufts College
    Tufts College is a private research university in Medford and Somerville, Massachusetts, known for its strong programs in the liberal arts, sciences, and international relations.
  • B. Massachusetts Institute of Technology
    The Massachusetts Institute of Technology is a world-renowned research university in Cambridge, Massachusetts, known for its pioneering work in science, engineering, and technology.
  • C. Harvard University
    Harvard University is a prestigious private Ivy League research university in Cambridge, Massachusetts, renowned for its academic excellence, influential alumni, and historic leadership in higher education.
  • D. 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.
  • E. Harvard Graduate School of Arts and Sciences
    The Harvard Graduate School of Arts and Sciences is Harvard University's primary graduate school for advanced study and research in the arts, humanities, social sciences, and natural sciences.
  • 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: Harvard–MIT Bridge
Triple: [Cambridge, Massachusetts, hasLandmark, Harvard–MIT Bridge]
Generated description
The Harvard–MIT Bridge is a notable span over the Charles River in Cambridge, Massachusetts, connecting the campuses of Harvard University and the Massachusetts Institute of Technology.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Harvard–MIT Bridge
Target entity description: The Harvard–MIT Bridge is a notable span over the Charles River in Cambridge, Massachusetts, connecting the campuses of Harvard University and the Massachusetts Institute of Technology.
  • A. Tufts College
    Tufts College is a private research university in Medford and Somerville, Massachusetts, known for its strong programs in the liberal arts, sciences, and international relations.
  • B. Massachusetts Institute of Technology
    The Massachusetts Institute of Technology is a world-renowned research university in Cambridge, Massachusetts, known for its pioneering work in science, engineering, and technology.
  • C. Harvard University
    Harvard University is a prestigious private Ivy League research university in Cambridge, Massachusetts, renowned for its academic excellence, influential alumni, and historic leadership in higher education.
  • D. 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.
  • E. Harvard Graduate School of Arts and Sciences
    The Harvard Graduate School of Arts and Sciences is Harvard University's primary graduate school for advanced study and research in the arts, humanities, social sciences, and natural sciences.
  • 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_69a24e51246c819098f53258d869ecde completed Feb. 28, 2026, 2:09 a.m.
NEDg Description generation batch_69a250b213c881909381abc66f5ebe68 completed Feb. 28, 2026, 2:19 a.m.
NED2 Entity disambiguation (via description) batch_69a2515b915c8190b122de0025bd954f completed Feb. 28, 2026, 2:22 a.m.
Created at: Feb. 27, 2026, 11:55 p.m.