Triple
T254263
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Terminal 1 (Ronald Reagan Washington National Airport) |
E5402
|
entity |
| Predicate | hasIATAAirportCode |
P2569
|
FINISHED |
| Object | DCA (airport-wide) |
E1373
|
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: DCA (airport-wide) | Statement: [Terminal 1 (Ronald Reagan Washington National Airport), hasIATAAirportCode, DCA (airport-wide)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: DCA (airport-wide) Context triple: [Terminal 1 (Ronald Reagan Washington National Airport), hasIATAAirportCode, DCA (airport-wide)]
-
A.
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.
-
B.
DCA
chosen
DCA is the three-letter IATA airport code for Ronald Reagan Washington National Airport, the primary domestic airport serving Washington, D.C.
-
C.
DPAC
DPAC is a major performing arts venue in Durham, North Carolina, known for hosting Broadway tours, concerts, and other large-scale live entertainment events.
-
D.
IAD
IAD is the IATA airport code for Washington Dulles International Airport, a major hub serving the Washington, D.C. metropolitan area.
-
E.
Terminal 3
Terminal 3 is the main international passenger terminal at José Martí International Airport in Havana, Cuba, handling most long-haul and major airline operations.
- 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: hasIATAAirportCode Context triple: [Terminal 1 (Ronald Reagan Washington National Airport), hasIATAAirportCode, DCA (airport-wide)]
-
A.
hasIATAcode
chosen
Indicates that an entity, typically a transportation facility like an airport, is associated with a specific IATA (International Air Transport Association) code.
-
B.
IATAcode
Indicates the three-letter IATA airport or airline code assigned to the entity.
-
C.
hasAirportCodeType
Indicates that an airport code is associated with a specific classification or type (e.g., IATA, ICAO, FAA).
-
D.
ICAOcode
Indicates that an entity is identified by a specific four-letter airport or aerodrome code assigned by the International Civil Aviation Organization (ICAO).
-
E.
hasAirportCodeCity
Indicates that a city is associated with a specific airport code (such as an IATA or ICAO code) that identifies its airport.
- F. None of above.
Provenance (4 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_69a2580a64ac8190ad76e34bb0715b5e |
completed | Feb. 28, 2026, 2:50 a.m. |
| NER | Named-entity recognition | batch_69a25d548cac819081b1636b2a057c62 |
completed | Feb. 28, 2026, 3:13 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3765f5b408190af6e185d6617ef5b |
completed | Feb. 28, 2026, 11:12 p.m. |
| PD | Predicate disambiguation | batch_69a25b694c08819085bb4b256fa7736f |
completed | Feb. 28, 2026, 3:05 a.m. |
Created at: Feb. 28, 2026, 2:55 a.m.