Triple
T15807082
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central Park station |
E383245
|
entity |
| Predicate | transitAuthorityAbbreviation |
P120156
|
FINISHED |
| Object | CTA |
E1910
|
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: CTA | Statement: [Central Park station, transitAuthorityAbbreviation, CTA]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CTA Context triple: [Central Park station, transitAuthorityAbbreviation, CTA]
-
A.
CTA
chosen
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.
CTA
CTA is the IATA airport code for Catania–Fontanarossa Airport, the main international airport serving Catania and eastern Sicily, Italy.
-
C.
CTA
CTA is the acronym commonly used for the Canadian Transportation Agency, the federal regulator overseeing air, rail, and marine transportation in Canada.
-
D.
CTA
CTA is the abbreviation for the Common Travel Area, a free-movement zone comprising the United Kingdom, Ireland, the Isle of Man, and the Channel Islands.
-
E.
CTA
CTA is a U.S. federal law aimed at combating money laundering and other illicit financial activities by requiring certain companies to disclose information about their beneficial owners.
- 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: transitAuthorityAbbreviation Context triple: [Central Park station, transitAuthorityAbbreviation, CTA]
-
A.
coordinatedAgencyAbbreviation
Indicates that two or more agencies share or use the same abbreviated designation in a coordinated or jointly recognized manner.
-
B.
hasPublicTransportAgency
Indicates that a place or transport system is served, managed, or overseen by a specific public transportation agency.
-
C.
paratransitSystemName
Indicates the name assigned to a specific paratransit transportation system or service.
-
D.
partOfTransitSystem
Indicates that something is a component or segment within a larger transit or transportation system.
-
E.
lightRailSystemName
Indicates the name assigned to a particular light rail transit system.
- 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_69d86da2858c819090cc8481e7207b6e |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e0b52751348190964e82463ce9dd20 |
completed | April 16, 2026, 10:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff998fa5588190b28efc2f342405aa |
completed | May 9, 2026, 8:31 p.m. |
| PD | Predicate disambiguation | batch_69e0053b847c8190945726c3ddac21cc |
completed | April 15, 2026, 9:38 p.m. |
| PDg | Predicate description generation | batch_69e00e48d49c819081afccb02f9cf18b |
completed | April 15, 2026, 10:16 p.m. |
Created at: April 10, 2026, 4:48 a.m.