Triple

T1918

Position	Surface form	Disambiguated ID	Type / Status
Subject	National Science Foundation	`E35`	entity
Predicate	hasProgram	`P178`	FINISHED
Object	Research Experiences for Undergraduates (REU) Research Experiences for Undergraduates (REU) is a U.S. program that funds intensive, mentored research opportunities for undergraduate students across a wide range of scientific and engineering disciplines.	`E143`	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: Research Experiences for Undergraduates (REU) | Statement: [National Science Foundation, hasProgram, Research Experiences for Undergraduates (REU)]

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

Target entity: Research Experiences for Undergraduates (REU)
Context triple: [National Science Foundation, hasProgram, Research Experiences for Undergraduates (REU)]

A. National Science Foundation
The National Science Foundation is an independent U.S. government agency that funds and promotes fundamental research and education in all non-medical fields of science and engineering.
B. Lincoln Laboratory
Lincoln Laboratory is a federally funded research and development center operated by MIT that focuses on advanced technology for national security and defense.
C. Carnegie Institution of Washington
The Carnegie Institution of Washington is a private, nonprofit scientific research organization founded by Andrew Carnegie that supports advanced research across fields such as astronomy, biology, and earth sciences.
D. 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.
E. Las Campanas Observatory
Las Campanas Observatory is a major astronomical observatory in Chile renowned for its high-quality observing conditions and its role in cutting-edge optical and infrared astronomy.
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: Research Experiences for Undergraduates (REU)
Triple: [National Science Foundation, hasProgram, Research Experiences for Undergraduates (REU)]

Generated description

Research Experiences for Undergraduates (REU) is a U.S. program that funds intensive, mentored research opportunities for undergraduate students across a wide range of scientific and engineering disciplines.

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

Target entity: Research Experiences for Undergraduates (REU)
Target entity description: Research Experiences for Undergraduates (REU) is a U.S. program that funds intensive, mentored research opportunities for undergraduate students across a wide range of scientific and engineering disciplines.

A. National Science Foundation
The National Science Foundation is an independent U.S. government agency that funds and promotes fundamental research and education in all non-medical fields of science and engineering.
B. Lincoln Laboratory
Lincoln Laboratory is a federally funded research and development center operated by MIT that focuses on advanced technology for national security and defense.
C. Carnegie Institution of Washington
The Carnegie Institution of Washington is a private, nonprofit scientific research organization founded by Andrew Carnegie that supports advanced research across fields such as astronomy, biology, and earth sciences.
D. 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.
E. Las Campanas Observatory
Las Campanas Observatory is a major astronomical observatory in Chile renowned for its high-quality observing conditions and its role in cutting-edge optical and infrared astronomy.
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_69a22cde80848190b62c5f556b4d62ba`	completed	Feb. 27, 2026, 11:46 p.m.
NER	Named-entity recognition	`batch_69a234ccbac88190921bd0a15e4a7dbe`	completed	Feb. 28, 2026, 12:20 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69a238e23e0881909815d2dad067d7a1`	completed	Feb. 28, 2026, 12:37 a.m.
NEDg	Description generation	`batch_69a23ab3a1f481908407d4648bbf3f86`	completed	Feb. 28, 2026, 12:45 a.m.
NED2	Entity disambiguation (via description)	`batch_69a23b736e388190956fa92a68d25866`	completed	Feb. 28, 2026, 12:48 a.m.

Created at: Feb. 27, 2026, 11:48 p.m.