Triple

T7012055

Position	Surface form	Disambiguated ID	Type / Status
Subject	Fernando J. Corbató	`E162605`	entity
Predicate	notableWork	`P4`	FINISHED
Object	CTSS time-sharing system The CTSS time-sharing system was one of the first operating systems to allow multiple users to interact with a computer simultaneously, pioneering modern time-sharing and interactive computing.	`E634906`	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: CTSS time-sharing system | Statement: [Fernando J. Corbató, notableWork, CTSS time-sharing system]

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

Target entity: CTSS time-sharing system
Context triple: [Fernando J. Corbató, notableWork, CTSS time-sharing system]

A. Multics
Multics (Multiplexed Information and Computing Service) was an influential pioneering time-sharing operating system developed in the 1960s that introduced many concepts later adopted by modern operating systems, including Unix.
B. ITS (Incompatible Timesharing System)
ITS (Incompatible Timesharing System) was an influential early time-sharing operating system developed at MIT’s AI Lab, known for its hacker-friendly environment and role in the development of much of early AI and Lisp software.
C. IBM 7090 operating environment
The IBM 7090 operating environment is the system software and runtime framework that supported program execution, compilation, and job control on IBM’s 7090 mainframe computer.
D. Cedar system at Xerox PARC
The Cedar system at Xerox PARC was an advanced experimental integrated programming environment and workstation operating system that extended the Mesa language and tools to support large-scale software development and research.
E. MIT Project MAC
MIT Project MAC was a pioneering research laboratory at the Massachusetts Institute of Technology that advanced time-sharing, operating systems, and artificial intelligence in the 1960s and 1970s.
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: CTSS time-sharing system
Triple: [Fernando J. Corbató, notableWork, CTSS time-sharing system]

Generated description

The CTSS time-sharing system was one of the first operating systems to allow multiple users to interact with a computer simultaneously, pioneering modern time-sharing and interactive computing.

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

Target entity: CTSS time-sharing system
Target entity description: The CTSS time-sharing system was one of the first operating systems to allow multiple users to interact with a computer simultaneously, pioneering modern time-sharing and interactive computing.

A. Multics
Multics (Multiplexed Information and Computing Service) was an influential pioneering time-sharing operating system developed in the 1960s that introduced many concepts later adopted by modern operating systems, including Unix.
B. ITS (Incompatible Timesharing System)
ITS (Incompatible Timesharing System) was an influential early time-sharing operating system developed at MIT’s AI Lab, known for its hacker-friendly environment and role in the development of much of early AI and Lisp software.
C. IBM 7090 operating environment
The IBM 7090 operating environment is the system software and runtime framework that supported program execution, compilation, and job control on IBM’s 7090 mainframe computer.
D. Cedar system at Xerox PARC
The Cedar system at Xerox PARC was an advanced experimental integrated programming environment and workstation operating system that extended the Mesa language and tools to support large-scale software development and research.
E. MIT Project MAC
MIT Project MAC was a pioneering research laboratory at the Massachusetts Institute of Technology that advanced time-sharing, operating systems, and artificial intelligence in the 1960s and 1970s.
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_69c6885a127c8190867b059bdccf13ff`	completed	March 27, 2026, 1:38 p.m.
NER	Named-entity recognition	`batch_69c6dc5729448190af66dbd6f3e8936e`	completed	March 27, 2026, 7:36 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69c76a4bd424819097e1543ec59979ff`	completed	March 28, 2026, 5:42 a.m.
NEDg	Description generation	`batch_69c76b1ef6f481908f4c4f610328f633`	completed	March 28, 2026, 5:46 a.m.
NED2	Entity disambiguation (via description)	`batch_69c76c01679c8190b61f642c23c25ed5`	completed	March 28, 2026, 5:49 a.m.

Created at: March 27, 2026, 2:34 p.m.