Triple
T11486889
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ellicott City |
E272302
|
entity |
| Predicate | hasNotableEvent |
P259
|
FINISHED |
| Object |
2016 Ellicott City flood
The 2016 Ellicott City flood was a devastating flash flood in Ellicott City, Maryland, caused by torrential rainfall that led to severe damage to the historic downtown area and multiple fatalities.
|
E928792
|
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: 2016 Ellicott City flood | Statement: [Ellicott City, hasNotableEvent, 2016 Ellicott City flood]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 2016 Ellicott City flood Context triple: [Ellicott City, hasNotableEvent, 2016 Ellicott City flood]
-
A.
Hartford Flood of 1936
The Hartford Flood of 1936 was a devastating spring flood that inundated Hartford, Connecticut and surrounding areas, causing widespread damage and prompting major flood-control improvements along the city’s rivers.
-
B.
1967 Fairbanks flood
The 1967 Fairbanks flood was a devastating inundation of Fairbanks, Alaska, that caused widespread damage and led to major changes in the region’s flood control and urban planning.
-
C.
The Great Flood of 1852
The Great Flood of 1852 was a catastrophic inundation of the Murrumbidgee River that devastated the Australian town of Gundagai, causing extensive loss of life and prompting the town’s relocation to higher ground.
-
D.
Vanport flood of 1948
The Vanport flood of 1948 was a catastrophic Columbia River flood that destroyed the wartime housing city of Vanport, Oregon, killing at least 15 people and displacing tens of thousands, many of them Black shipyard workers and their families.
-
E.
Great Flood of 1879
The Great Flood of 1879 was a catastrophic inundation of the city of Szeged in Hungary that destroyed most of the town and prompted a major reconstruction.
- 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: 2016 Ellicott City flood Triple: [Ellicott City, hasNotableEvent, 2016 Ellicott City flood]
Generated description
The 2016 Ellicott City flood was a devastating flash flood in Ellicott City, Maryland, caused by torrential rainfall that led to severe damage to the historic downtown area and multiple fatalities.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: 2016 Ellicott City flood Target entity description: The 2016 Ellicott City flood was a devastating flash flood in Ellicott City, Maryland, caused by torrential rainfall that led to severe damage to the historic downtown area and multiple fatalities.
-
A.
Hartford Flood of 1936
The Hartford Flood of 1936 was a devastating spring flood that inundated Hartford, Connecticut and surrounding areas, causing widespread damage and prompting major flood-control improvements along the city’s rivers.
-
B.
1967 Fairbanks flood
The 1967 Fairbanks flood was a devastating inundation of Fairbanks, Alaska, that caused widespread damage and led to major changes in the region’s flood control and urban planning.
-
C.
The Great Flood of 1852
The Great Flood of 1852 was a catastrophic inundation of the Murrumbidgee River that devastated the Australian town of Gundagai, causing extensive loss of life and prompting the town’s relocation to higher ground.
-
D.
Vanport flood of 1948
The Vanport flood of 1948 was a catastrophic Columbia River flood that destroyed the wartime housing city of Vanport, Oregon, killing at least 15 people and displacing tens of thousands, many of them Black shipyard workers and their families.
-
E.
Great Flood of 1879
The Great Flood of 1879 was a catastrophic inundation of the city of Szeged in Hungary that destroyed most of the town and prompted a major reconstruction.
- 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_69d6aae1b09881909ce2ded3fa0c14fa |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d85a1fc9688190aacc2eed64229b79 |
completed | April 10, 2026, 2:02 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e6046076d0819087766bf905825217 |
completed | April 20, 2026, 10:48 a.m. |
| NEDg | Description generation | batch_69e610a5ea0481908169c58dc0831b76 |
completed | April 20, 2026, 11:40 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69e6182b06f88190ab36d976ac989019 |
completed | April 20, 2026, 12:12 p.m. |
Created at: April 8, 2026, 9:36 p.m.