Triple

T2092238
Position Surface form Disambiguated ID Type / Status
Subject Madras Time E32695 entity
Predicate observatory P7236 FINISHED
Object Madras Observatory
Madras Observatory was a historic astronomical observatory in colonial India that played a key role in timekeeping, celestial observations, and the development of regional standard time.
 E230796 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: Madras Observatory | Statement: [Madras Time, observatory, Madras Observatory]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Madras Observatory
Context triple: [Madras Time, observatory, Madras Observatory]
  • A. Jantar Mantar, New Delhi
    Jantar Mantar, New Delhi is an 18th-century astronomical observatory built by Maharaja Jai Singh II, featuring large masonry instruments used for precise naked-eye observations of celestial bodies.
  • B. Mamalluca Observatory
    Mamalluca Observatory is a popular public astronomical observatory in Chile’s Elqui Valley, renowned for its exceptionally clear skies and stargazing tourism.
  • C. Birla Planetarium, Kolkata
    Birla Planetarium, Kolkata is one of Asia’s largest and oldest planetariums, renowned for its domed theater and educational astronomical shows in the heart of the city.
  • D. Las Campanas Observatory
    Las Campanas Observatory is a major astronomical observatory in Chile renowned for its high-quality observing conditions and its role in cutting-edge optical and infrared astronomy.
  • E. Coats Observatory
    Coats Observatory is a historic public astronomical observatory and museum in Paisley, Scotland, known for its Victorian-era telescopes and educational exhibits.
  • 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: Madras Observatory
Triple: [Madras Time, observatory, Madras Observatory]
Generated description
Madras Observatory was a historic astronomical observatory in colonial India that played a key role in timekeeping, celestial observations, and the development of regional standard time.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Madras Observatory
Target entity description: Madras Observatory was a historic astronomical observatory in colonial India that played a key role in timekeeping, celestial observations, and the development of regional standard time.
  • A. Jantar Mantar, New Delhi
    Jantar Mantar, New Delhi is an 18th-century astronomical observatory built by Maharaja Jai Singh II, featuring large masonry instruments used for precise naked-eye observations of celestial bodies.
  • B. Mamalluca Observatory
    Mamalluca Observatory is a popular public astronomical observatory in Chile’s Elqui Valley, renowned for its exceptionally clear skies and stargazing tourism.
  • C. Birla Planetarium, Kolkata
    Birla Planetarium, Kolkata is one of Asia’s largest and oldest planetariums, renowned for its domed theater and educational astronomical shows in the heart of the city.
  • D. Las Campanas Observatory
    Las Campanas Observatory is a major astronomical observatory in Chile renowned for its high-quality observing conditions and its role in cutting-edge optical and infrared astronomy.
  • E. Coats Observatory
    Coats Observatory is a historic public astronomical observatory and museum in Paisley, Scotland, known for its Victorian-era telescopes and educational exhibits.
  • 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_69a885eba0708190999696a45cbec816 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69abba7626d081908c9c0f18942e128d completed March 7, 2026, 5:41 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae2746fb3481909e0b7fdbd4748245 completed March 9, 2026, 1:49 a.m.
NEDg Description generation batch_69ae2868815881908d6163ab84060ec2 completed March 9, 2026, 1:54 a.m.
NED2 Entity disambiguation (via description) batch_69ae28ce87c8819097e0b5dab045d9a1 completed March 9, 2026, 1:56 a.m.
Created at: March 4, 2026, 7:43 p.m.