Triple

T21457723

Position	Surface form	Disambiguated ID	Type / Status
Subject	Richard Greenblatt	`E529384`	entity
Predicate	significantProject	`P6242`	FINISHED
Object	Mac Hack chess program	`—`	NE NERFINISHED

How this triple was built (3 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: Mac Hack chess program | Statement: [Richard Greenblatt, significantProject, Mac Hack chess program]

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

Target entity: Mac Hack chess program
Context triple: [Richard Greenblatt, significantProject, Mac Hack chess program]

A. Stockfish
Stockfish is a powerful open-source chess engine renowned for its exceptional playing strength and widespread use in computer chess.
B. Elmo shogi engine
Elmo shogi engine is a highly advanced computer program for playing shogi that was strong enough to serve as a benchmark opponent for DeepMind’s AlphaZero.
C. Leela Chess Zero
Leela Chess Zero is an open-source, neural-network-based chess engine inspired by AlphaZero that has become one of the strongest and most influential engines in computer chess.
D. The Checker Players
The Checker Players is a sculptural artwork by John Rogers depicting a group of people engaged in an intense game of checkers, characteristic of his detailed narrative genre scenes.
E. MCA Chess
MCA Chess was a record label imprint under MCA Records that continued the legacy and catalog of the influential blues and R&B label Chess Records.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

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

Target entity: Mac Hack chess program
Target entity description: The Mac Hack chess program was an early pioneering computer chess system developed in the 1960s that became the first to successfully compete against human players in official tournaments.

A. Stockfish
Stockfish is a powerful open-source chess engine renowned for its exceptional playing strength and widespread use in computer chess.
B. Elmo shogi engine
Elmo shogi engine is a highly advanced computer program for playing shogi that was strong enough to serve as a benchmark opponent for DeepMind’s AlphaZero.
C. Leela Chess Zero
Leela Chess Zero is an open-source, neural-network-based chess engine inspired by AlphaZero that has become one of the strongest and most influential engines in computer chess.
D. The Checker Players
The Checker Players is a sculptural artwork by John Rogers depicting a group of people engaged in an intense game of checkers, characteristic of his detailed narrative genre scenes.
E. MCA Chess
MCA Chess was a record label imprint under MCA Records that continued the legacy and catalog of the influential blues and R&B label Chess Records.
F. None of above. chosen

Provenance (2 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_69e0c458133481908ae8b41a12c4edec`	completed	April 16, 2026, 11:13 a.m.
NER	Named-entity recognition	`batch_69e9e9ec254081909a703056022f4f45`	completed	April 23, 2026, 9:44 a.m.

Created at: April 16, 2026, 6:08 p.m.