Triple

T26453628
Position Surface form Disambiguated ID Type / Status
Subject Tatanagar Junction E665421 entity
Predicate isOnRailwayLine P848 FINISHED
Object Tatanagar–Barkakana line
The Tatanagar–Barkakana line is an Indian railway route in eastern India that connects Tatanagar (Jamshedpur) with Barkakana, serving as an important corridor for both passenger and freight traffic, especially for the region’s industrial and mining areas.
 E1860053 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: Tatanagar–Barkakana line | Statement: [Tatanagar Junction, isOnRailwayLine, Tatanagar–Barkakana line]
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: Tatanagar–Barkakana line
Triple: [Tatanagar Junction, isOnRailwayLine, Tatanagar–Barkakana line]
Generated description
The Tatanagar–Barkakana line is an Indian railway route in eastern India that connects Tatanagar (Jamshedpur) with Barkakana, serving as an important corridor for both passenger and freight traffic, especially for the region’s industrial and mining areas.

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_69ee883d5040819097dd154643005230 completed April 26, 2026, 9:48 p.m.
NER Named-entity recognition batch_69f61266f0e88190aea95f89ba2bef5c completed May 2, 2026, 3:04 p.m.
NED1 Entity disambiguation (via context triple) batch_6a2588f230b48190a407c7d6e45b0899 completed June 7, 2026, 3:06 p.m.
NEDg Description generation batch_6a258d4474448190844fdc2216ecbd29 completed June 7, 2026, 3:24 p.m.
NED2 Entity disambiguation (via description) batch_6a25985cf75081909194c11833399d37 completed June 7, 2026, 4:12 p.m.
Created at: April 27, 2026, 12:07 a.m.