Triple

T1957158
Position Surface form Disambiguated ID Type / Status
Subject Meseta Central E42295 entity
Predicate contains P35 FINISHED
Object Tajo Basin
The Tajo Basin is a major sedimentary basin in central Spain associated with the Tagus River, forming part of the broader Meseta Central plateau region.
 E218526 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: Tajo Basin | Statement: [Meseta Central, contains, Tajo Basin]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tajo Basin
Context triple: [Meseta Central, contains, Tajo Basin]
  • A. La Plata Basin
    The La Plata Basin is one of South America's largest river basins, encompassing parts of several countries and draining into the Río de la Plata estuary on the Atlantic coast.
  • B. Colombian Basin
    The Colombian Basin is a deep oceanic basin in the southwestern Caribbean Sea, lying off the coasts of Colombia and Central America and forming one of the region’s major deep-water areas.
  • C. Mapimí Basin
    The Mapimí Basin is an endorheic desert basin in north-central Mexico, known for its arid landscapes and the Mapimí Biosphere Reserve within the Chihuahuan Desert.
  • D. Mono Basin
    Mono Basin is a high-desert watershed in eastern California best known for Mono Lake, its striking tufa formations, and its dramatic Eastern Sierra scenery.
  • E. China Basin
    China Basin is a waterfront district in San Francisco known for its mix of commercial development, residential spaces, and proximity to Oracle Park along the city’s eastern shoreline.
  • 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: Tajo Basin
Triple: [Meseta Central, contains, Tajo Basin]
Generated description
The Tajo Basin is a major sedimentary basin in central Spain associated with the Tagus River, forming part of the broader Meseta Central plateau region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tajo Basin
Target entity description: The Tajo Basin is a major sedimentary basin in central Spain associated with the Tagus River, forming part of the broader Meseta Central plateau region.
  • A. La Plata Basin
    The La Plata Basin is one of South America's largest river basins, encompassing parts of several countries and draining into the Río de la Plata estuary on the Atlantic coast.
  • B. Colombian Basin
    The Colombian Basin is a deep oceanic basin in the southwestern Caribbean Sea, lying off the coasts of Colombia and Central America and forming one of the region’s major deep-water areas.
  • C. Mapimí Basin
    The Mapimí Basin is an endorheic desert basin in north-central Mexico, known for its arid landscapes and the Mapimí Biosphere Reserve within the Chihuahuan Desert.
  • D. Mono Basin
    Mono Basin is a high-desert watershed in eastern California best known for Mono Lake, its striking tufa formations, and its dramatic Eastern Sierra scenery.
  • E. China Basin
    China Basin is a waterfront district in San Francisco known for its mix of commercial development, residential spaces, and proximity to Oracle Park along the city’s eastern shoreline.
  • 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_69a8870eea088190a38781990812a9bc completed March 4, 2026, 7:25 p.m.
NER Named-entity recognition batch_69abb37c60148190823f6a2a73b949e8 completed March 7, 2026, 5:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69adfbcc9ba48190985f48dbef1f2d94 completed March 8, 2026, 10:44 p.m.
NEDg Description generation batch_69adfc6bd8e08190a065a89ab3412126 completed March 8, 2026, 10:47 p.m.
NED2 Entity disambiguation (via description) batch_69adfcee414c8190b1a0574f6bd55602 completed March 8, 2026, 10:49 p.m.
Created at: March 4, 2026, 7:36 p.m.