Triple
T2454727
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Catania–Fontanarossa Airport |
E54392
|
entity |
| Predicate | IATAcode |
P418
|
FINISHED |
| Object |
CTA
CTA is the IATA airport code for Catania–Fontanarossa Airport, the main international airport serving Catania and eastern Sicily, Italy.
|
E267791
|
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: CTA | Statement: [Catania–Fontanarossa Airport, IATAcode, CTA]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CTA Context triple: [Catania–Fontanarossa Airport, IATAcode, CTA]
-
A.
CTA
CTA is the primary public transportation agency serving Chicago and many of its surrounding suburbs, operating the city's buses and rapid transit "L" train system.
-
B.
CTC
CTC is the commonly used abbreviation for the United Nations Security Council’s Counter-Terrorism Committee, which oversees global efforts to combat terrorism.
-
C.
CTA buses
CTA buses are the public transit bus fleet operated by the Chicago Transit Authority, providing extensive local and express service throughout Chicago and some surrounding suburbs.
-
D.
CTS
CTS is the acronym for the Council for Trade in Services, a World Trade Organization body responsible for overseeing the implementation and functioning of global rules on trade in services.
-
E.
RTA
RTA is the common abbreviation for the Regional Transportation Authority of Northeastern Illinois, the agency that oversees public transit services in the Chicago metropolitan area.
- 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: CTA Triple: [Catania–Fontanarossa Airport, IATAcode, CTA]
Generated description
CTA is the IATA airport code for Catania–Fontanarossa Airport, the main international airport serving Catania and eastern Sicily, Italy.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: CTA Target entity description: CTA is the IATA airport code for Catania–Fontanarossa Airport, the main international airport serving Catania and eastern Sicily, Italy.
-
A.
CTA
CTA is the primary public transportation agency serving Chicago and many of its surrounding suburbs, operating the city's buses and rapid transit "L" train system.
-
B.
CTC
CTC is the commonly used abbreviation for the United Nations Security Council’s Counter-Terrorism Committee, which oversees global efforts to combat terrorism.
-
C.
CTA buses
CTA buses are the public transit bus fleet operated by the Chicago Transit Authority, providing extensive local and express service throughout Chicago and some surrounding suburbs.
-
D.
CTS
CTS is the acronym for the Council for Trade in Services, a World Trade Organization body responsible for overseeing the implementation and functioning of global rules on trade in services.
-
E.
RTA
RTA is the common abbreviation for the Regional Transportation Authority of Northeastern Illinois, the agency that oversees public transit services in the Chicago metropolitan area.
- 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_69ab49dee84c819096b50a0049c347ac |
completed | March 6, 2026, 9:40 p.m. |
| NER | Named-entity recognition | batch_69abd0f7f85c8190a60970b6adb7fe80 |
completed | March 7, 2026, 7:17 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69aef0c7c90c8190ba5ed3cece5e049f |
completed | March 9, 2026, 4:09 p.m. |
| NEDg | Description generation | batch_69aef5ca95dc8190b0f7f20d2128ae93 |
completed | March 9, 2026, 4:31 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69aef632e2e08190b21023cbb0f12be8 |
completed | March 9, 2026, 4:32 p.m. |
Created at: March 6, 2026, 9:44 p.m.