Triple

T3545022
Position Surface form Disambiguated ID Type / Status
Subject Cooum River E74974 entity
Predicate crossesInfrastructure P27425 FINISHED
Object Chennai Central railway station area E67294 NE FINISHED

How this triple was built (3 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: Chennai Central railway station area | Statement: [Cooum River, crossesInfrastructure, Chennai Central railway station area]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chennai Central railway station area
Context triple: [Cooum River, crossesInfrastructure, Chennai Central railway station area]
  • A. Chennai Central railway station chosen
    Chennai Central railway station is a major historic railway terminus and one of the busiest transport hubs in South India, serving as a key gateway to the city of Chennai and beyond.
  • B. Chennai Egmore railway station
    Chennai Egmore railway station is one of the major railway terminals in Chennai, India, serving as a key hub for regional and long-distance trains, especially to southern Tamil Nadu.
  • C. Chennai Central Metro
    Chennai Central Metro is a major underground interchange station in Chennai, India, connecting the Chennai Metro network with the city’s primary railway terminus and other urban transit services.
  • D. Thanjavur Junction railway station
    Thanjavur Junction railway station is a major railway hub in Tamil Nadu, India, serving the historic city of Thanjavur and connecting it to key destinations across the region.
  • E. Chepauk
    Chepauk is a coastal neighborhood in central Chennai, India, known for the historic M. A. Chidambaram cricket stadium and its proximity to Marina Beach.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: crossesInfrastructure
Context triple: [Cooum River, crossesInfrastructure, Chennai Central railway station area]
  • A. crossingOf
    Indicates that one entity serves as the intersection or crossing point of two or more linear features, such as roads, paths, or tracks.
  • B. crossesBetween
    Indicates that one entity passes from one side of a second entity to the other, traversing the space between two reference points or boundaries associated with that second entity.
  • C. crossesIn chosen
    Indicates that one entity passes over or through the path, boundary, or area occupied by another entity, intersecting its space or trajectory.
  • D. crossesTo
    Indicates that one entity moves or extends from one side or area to another, passing over or through some boundary or intervening space.
  • E. crossesNear
    Indicates that one entity passes across the path or area of another entity at a location that is close to, but not directly intersecting, the other entity.
  • F. None of above.

Provenance (4 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_69ad85d274cc8190ab59c97298a1cfbf completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adbf77d938819095c72a88b5af644a completed March 8, 2026, 6:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69b38bdfe5748190b2de831635221ce1 completed March 13, 2026, 4 a.m.
PD Predicate disambiguation batch_69adae15749881909b847c6ca73c934e completed March 8, 2026, 5:12 p.m.
Created at: March 8, 2026, 3:20 p.m.