Triple

T9350849
Position Surface form Disambiguated ID Type / Status
Subject Saint Petersburg Dam E225013 entity
Predicate alsoKnownAs P39 FINISHED
Object Saint Petersburg Flood Protection Barrier E225013 NE FINISHED

How this triple was built (2 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: Saint Petersburg Flood Protection Barrier | Statement: [Saint Petersburg Dam, alsoKnownAs, Saint Petersburg Flood Protection Barrier]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Saint Petersburg Flood Protection Barrier
Context triple: [Saint Petersburg Dam, alsoKnownAs, Saint Petersburg Flood Protection Barrier]
  • A. MOSE flood barrier system
    The MOSE flood barrier system is a large-scale engineering project of movable gates designed to protect Venice and its lagoon from high tides and flooding.
  • B. Saint Petersburg Dam chosen
    The Saint Petersburg Dam is a massive flood protection barrier and transportation complex built across the Gulf of Finland to shield Saint Petersburg from storm surges while carrying a major highway.
  • C. Kronverk Strait embankments
    The Kronverk Strait embankments are a historic waterfront promenade area along the channel separating Zayachy Island from Petrogradsky Island in central Saint Petersburg, known for its views of the Peter and Paul Fortress and surrounding cityscape.
  • D. Hollandse IJssel storm surge barrier
    The Hollandse IJssel storm surge barrier is a major Dutch flood defense structure near Krimpen aan den IJssel that protects the low-lying Randstad region from high water levels during North Sea storms.
  • E. Maeslantkering movable storm surge barrier
    The Maeslantkering movable storm surge barrier is a massive, computer-controlled flood defense structure near Rotterdam that protects the Netherlands from North Sea storm surges as part of the Delta Works system.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca842abfd48190949d71c3b86eeba8 completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd4f9248c08190a7bb40feec2eb217 completed April 1, 2026, 5:02 p.m.
NED1 Entity disambiguation (via context triple) batch_69d100cc26248190baf12eb7f8aca74a completed April 4, 2026, 12:15 p.m.
Created at: March 30, 2026, 7:41 p.m.