Triple
T274995
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Thames |
E5226
|
entity |
| Predicate | crossedBy |
P416
|
FINISHED |
| Object |
Waterloo Bridge
Waterloo Bridge is a historic road and foot traffic bridge in central London, renowned for its views over the River Thames and its role as a key crossing between the Strand and the South Bank.
|
E46673
|
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: Waterloo Bridge | Statement: [Thames, crossedBy, Waterloo Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Waterloo Bridge Context triple: [Thames, crossedBy, Waterloo Bridge]
-
A.
Westminster Bridge
Westminster Bridge is a historic road and foot traffic bridge in central London that spans the River Thames between Westminster and Lambeth, adjacent to landmarks like the Houses of Parliament and Big Ben.
-
B.
London Bridge
London Bridge is a historic and frequently rebuilt crossing in central London that spans the River Thames, linking the City of London with Southwark.
-
C.
Tower Bridge
Tower Bridge is a combined bascule and suspension bridge over the River Thames in London, renowned for its twin Gothic-style towers and status as one of the city's most famous landmarks.
-
D.
Tower Bridge
Tower Bridge is an iconic yellow-gold vertical-lift bridge spanning the Sacramento River, connecting West Sacramento to downtown Sacramento in California.
-
E.
Wellington Bridge
Wellington Bridge is a roadway bridge in the Boston area that carries traffic across the Mystic River between Medford and Somerville, Massachusetts.
- 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: Waterloo Bridge Triple: [Thames, crossedBy, Waterloo Bridge]
Generated description
Waterloo Bridge is a historic road and foot traffic bridge in central London, renowned for its views over the River Thames and its role as a key crossing between the Strand and the South Bank.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Waterloo Bridge Target entity description: Waterloo Bridge is a historic road and foot traffic bridge in central London, renowned for its views over the River Thames and its role as a key crossing between the Strand and the South Bank.
-
A.
Westminster Bridge
Westminster Bridge is a historic road and foot traffic bridge in central London that spans the River Thames between Westminster and Lambeth, adjacent to landmarks like the Houses of Parliament and Big Ben.
-
B.
London Bridge
London Bridge is a historic and frequently rebuilt crossing in central London that spans the River Thames, linking the City of London with Southwark.
-
C.
Tower Bridge
Tower Bridge is a combined bascule and suspension bridge over the River Thames in London, renowned for its twin Gothic-style towers and status as one of the city's most famous landmarks.
-
D.
Tower Bridge
Tower Bridge is an iconic yellow-gold vertical-lift bridge spanning the Sacramento River, connecting West Sacramento to downtown Sacramento in California.
-
E.
Wellington Bridge
Wellington Bridge is a roadway bridge in the Boston area that carries traffic across the Mystic River between Medford and Somerville, Massachusetts.
- 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_69a257e6c8788190987dfe705ca2912a |
completed | Feb. 28, 2026, 2:50 a.m. |
| NER | Named-entity recognition | batch_69a25dd1cdf881909c2c9b77b7f88684 |
completed | Feb. 28, 2026, 3:15 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3eca25d9081909fe6d2ed2cda16d9 |
completed | March 1, 2026, 7:37 a.m. |
| NEDg | Description generation | batch_69a3ed0d206481909262153335fce288 |
completed | March 1, 2026, 7:38 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a3edc8ed488190960cc2deb83e6dc9 |
completed | March 1, 2026, 7:42 a.m. |
Created at: Feb. 28, 2026, 2:59 a.m.