Triple
T11028189
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Heathrow Central (Terminals 2 & 3) |
E260685
|
entity |
| Predicate | railwayStationCode |
P1289
|
FINISHED |
| Object |
HXX
HXX is the National Rail station code for Heathrow Central, serving Terminals 2 and 3 at London Heathrow Airport.
|
E899765
|
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: HXX | Statement: [Heathrow Central (Terminals 2 & 3), railwayStationCode, HXX]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: HXX Context triple: [Heathrow Central (Terminals 2 & 3), railwayStationCode, HXX]
-
A.
HX
HX is a postcode area in West Yorkshire, England, covering Halifax and surrounding towns including Hebden Bridge.
-
B.
HX
HX is the vehicle registration code used on license plates for the town of Bad Driburg in Germany.
-
C.
HXL
HXL (Humanitarian Exchange Language) is a lightweight data standard designed to improve the interoperability, quality, and rapid sharing of humanitarian data across organizations and crises.
-
D.
YXX
YXX is the IATA airport code for Abbotsford International Airport in Abbotsford, British Columbia, Canada.
-
E.
XHK
XHK is the IATA code for the Valence TGV high-speed railway station in southeastern France.
- 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: HXX Triple: [Heathrow Central (Terminals 2 & 3), railwayStationCode, HXX]
Generated description
HXX is the National Rail station code for Heathrow Central, serving Terminals 2 and 3 at London Heathrow Airport.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: HXX Target entity description: HXX is the National Rail station code for Heathrow Central, serving Terminals 2 and 3 at London Heathrow Airport.
-
A.
HX
HX is a postcode area in West Yorkshire, England, covering Halifax and surrounding towns including Hebden Bridge.
-
B.
HX
HX is the vehicle registration code used on license plates for the town of Bad Driburg in Germany.
-
C.
HXL
HXL (Humanitarian Exchange Language) is a lightweight data standard designed to improve the interoperability, quality, and rapid sharing of humanitarian data across organizations and crises.
-
D.
YXX
YXX is the IATA airport code for Abbotsford International Airport in Abbotsford, British Columbia, Canada.
-
E.
XHK
XHK is the IATA code for the Valence TGV high-speed railway station in southeastern France.
- 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_69d6aa979bdc8190bf0e79104cc098c1 |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d797d245a0819085135cdee9b256c5 |
completed | April 9, 2026, 12:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e3753451e08190bc42ab99d01926f9 |
completed | April 18, 2026, 12:12 p.m. |
| NEDg | Description generation | batch_69e37ab93e0881909d98f96073a55ae8 |
completed | April 18, 2026, 12:36 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69e37c97b34081908b274ff52a12d450 |
completed | April 18, 2026, 12:44 p.m. |
Created at: April 8, 2026, 9:25 p.m.