Triple

T68808

Position	Surface form	Disambiguated ID	Type / Status
Subject	Ronald Reagan Washington National Airport	`E1374`	entity
Predicate	hasFourLetterCode	`P3747`	FINISHED
Object	KDCA	`E1374`	NE FINISHED

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: KDCA | Statement: [Ronald Reagan Washington National Airport, hasFourLetterCode, KDCA]

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

Target entity: KDCA
Context triple: [Ronald Reagan Washington National Airport, hasFourLetterCode, KDCA]

A. KDCA chosen
KDCA is the ICAO airport code for Ronald Reagan Washington National Airport, a major commercial airport serving the Washington, D.C. metropolitan area.
B. KBWI
KBWI is the ICAO airport code for Baltimore/Washington International Thurgood Marshall Airport, a major commercial airport serving the Baltimore–Washington metropolitan area in the United States.
C. DCA
DCA (Defense Communications Agency) was a U.S. Department of Defense organization responsible for managing and overseeing military communications networks, including early internet precursor systems.
D. DCA
DCA is the three-letter IATA airport code for Ronald Reagan Washington National Airport, the primary domestic airport serving Washington, D.C.
E. Washington, D.C.
Washington, D.C. is the capital city of the United States, serving as the nation’s political center and home to its federal government institutions.
F. None of above.
G. Unsure - the case is ambiguous/there is not enough information to decide.

PD Predicate disambiguation gpt-5-mini-2025-08-07

Target predicate: hasFourLetterCode
Context triple: [Ronald Reagan Washington National Airport, hasFourLetterCode, KDCA]

A. isTwoLetterCode
Indicates that something functions as a two-letter abbreviated code representing a larger name or concept.
B. hasIATAcode
Indicates that an entity, typically a transportation facility like an airport, is associated with a specific IATA (International Air Transport Association) code.
C. hasISOCode
Indicates that an entity is associated with a specific standardized ISO code that uniquely identifies it according to ISO conventions.
D. hasStationCode
Indicates that an entity is associated with a specific station identification code.
E. ISOCode
Indicates that an entity is associated with a specific standardized code defined by the International Organization for Standardization (ISO).
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_69a24c06b3bc8190aa4ac89026115efc`	completed	Feb. 28, 2026, 1:59 a.m.
NER	Named-entity recognition	`batch_69a24fd16c248190a6ee4cd96c388772`	completed	Feb. 28, 2026, 2:15 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69a25abaa7dc8190b65fa9d213a40790`	completed	Feb. 28, 2026, 3:02 a.m.
PD	Predicate disambiguation	`batch_69a24ea8cfd081908a26edad2473dde3`	completed	Feb. 28, 2026, 2:10 a.m.
PDg	Predicate description generation	`batch_69a24fcf5a88819088c5fa4c08476358`	completed	Feb. 28, 2026, 2:15 a.m.

Created at: Feb. 28, 2026, 2:03 a.m.