Triple

T15058399
Position Surface form Disambiguated ID Type / Status
Subject Gampaha District E379556 entity
Predicate contains P35 FINISHED
Object Nittambuwa
Nittambuwa is a town in Sri Lanka’s Western Province known for its location on the main Colombo–Kandy road and its role as a regional commercial and transport hub.
 E1139197 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Nittambuwa | Statement: [Gampaha District, contains, Nittambuwa]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nittambuwa
Context triple: [Gampaha District, contains, Nittambuwa]
  • A. Nabulungi
    Nabulungi is a central character in the musical "The Book of Mormon," a hopeful and idealistic young Ugandan woman who becomes a key follower of the missionaries’ teachings.
  • B. Umbakumba
    Umbakumba is a small Indigenous community and settlement located on Groote Eylandt in the Gulf of Carpentaria, Northern Territory, Australia.
  • C. Khambuwan
    Khambuwan is a historical and cultural region in eastern Nepal traditionally associated with the Rai (Khambu) indigenous community.
  • D. Roysambu
    Roysambu is a residential and commercial neighborhood in Nairobi, Kenya, known for its high-density housing, shopping centers, and proximity to major transport routes and universities.
  • E. Tunduma
    Tunduma is a border town in southern Tanzania that serves as a major road and rail gateway for trade and travel between Tanzania and Zambia.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nittambuwa
Target entity description: Nittambuwa is a town in Sri Lanka’s Western Province known for its location on the main Colombo–Kandy road and its role as a regional commercial and transport hub.
  • A. Nabulungi
    Nabulungi is a central character in the musical "The Book of Mormon," a hopeful and idealistic young Ugandan woman who becomes a key follower of the missionaries’ teachings.
  • B. Umbakumba
    Umbakumba is a small Indigenous community and settlement located on Groote Eylandt in the Gulf of Carpentaria, Northern Territory, Australia.
  • C. Khambuwan
    Khambuwan is a historical and cultural region in eastern Nepal traditionally associated with the Rai (Khambu) indigenous community.
  • D. Roysambu
    Roysambu is a residential and commercial neighborhood in Nairobi, Kenya, known for its high-density housing, shopping centers, and proximity to major transport routes and universities.
  • E. Tunduma
    Tunduma is a border town in southern Tanzania that serves as a major road and rail gateway for trade and travel between Tanzania and Zambia.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Nittambuwa
Triple: [Gampaha District, contains, Nittambuwa]
Generated description
Nittambuwa is a town in Sri Lanka’s Western Province known for its location on the main Colombo–Kandy road and its role as a regional commercial and transport hub.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d85cd64d108190853797a95c11cc45 elicitation completed
NER batch_69dedee50afc8190bf7b0f4bbe8c60a3 ner completed
NED1 batch_69feb7dd767c8190a129f00303f970bc ned_source_triple completed
NED2 batch_69febd10a9a08190aabfa072199db5c9 ned_description completed
NEDg batch_69febbe8125081908bab0c91af6fb6d2 nedg completed
Created at: April 10, 2026, 3:01 a.m.