Triple

T1389

Position	Surface form	Disambiguated ID	Type / Status
Subject	California	`E26`	entity
Predicate	hasMajorUniversity	`P315`	FINISHED
Object	California Institute of Technology The California Institute of Technology (Caltech) is a world-renowned private research university in Pasadena, California, especially known for its strength in science and engineering and its contributions to space exploration and technology.	`E8089`	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: California Institute of Technology | Statement: [California, hasMajorUniversity, California Institute of Technology]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: California Institute of Technology
Context triple: [California, hasMajorUniversity, California Institute of Technology]

A. 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.
B. Stanford University
Stanford University is a prestigious private research university in the San Francisco Bay Area renowned for its academic excellence, innovation, and influence in technology and entrepreneurship.
C. University of California, Berkeley
The University of California, Berkeley is a leading public research university renowned for its academic excellence, groundbreaking innovation, and historic role in social and political movements.
D. University of Illinois at Urbana–Champaign
The University of Illinois at Urbana–Champaign is a major American public research university known for its strong engineering, computer science, and information science programs.
E. Rice University
Rice University is a private research university in Houston, Texas, known for its strong programs in science and engineering, small student body, and high level of research activity.
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: California Institute of Technology
Triple: [California, hasMajorUniversity, California Institute of Technology]

Generated description

The California Institute of Technology (Caltech) is a world-renowned private research university in Pasadena, California, especially known for its strength in science and engineering and its contributions to space exploration and technology.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: California Institute of Technology
Target entity description: The California Institute of Technology (Caltech) is a world-renowned private research university in Pasadena, California, especially known for its strength in science and engineering and its contributions to space exploration and technology.

A. 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.
B. Stanford University
Stanford University is a prestigious private research university in the San Francisco Bay Area renowned for its academic excellence, innovation, and influence in technology and entrepreneurship.
C. University of California, Berkeley
The University of California, Berkeley is a leading public research university renowned for its academic excellence, groundbreaking innovation, and historic role in social and political movements.
D. University of Illinois at Urbana–Champaign
The University of Illinois at Urbana–Champaign is a major American public research university known for its strong engineering, computer science, and information science programs.
E. Rice University
Rice University is a private research university in Houston, Texas, known for its strong programs in science and engineering, small student body, and high level of research activity.
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_69a22a285828819081a58308fb963df1`	completed	Feb. 27, 2026, 11:35 p.m.
NER	Named-entity recognition	`batch_69a234ccbac88190921bd0a15e4a7dbe`	completed	Feb. 28, 2026, 12:20 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69a262364cf48190b390bab67cee9312`	completed	Feb. 28, 2026, 3:34 a.m.
NEDg	Description generation	`batch_69a262e524e88190854d3585d6694bc0`	completed	Feb. 28, 2026, 3:37 a.m.
NED2	Entity disambiguation (via description)	`batch_69a26357a9d08190972bfc596be2baac`	completed	Feb. 28, 2026, 3:39 a.m.

Created at: Feb. 27, 2026, 11:36 p.m.