Triple

T12714109
Position Surface form Disambiguated ID Type / Status
Subject Stonecutters Island E303792 entity
Predicate sewagePlantStage P9657 FINISHED
Object Stage I of Harbour Area Treatment Scheme
Stage I of the Harbour Area Treatment Scheme is the initial large-scale sewage treatment project in Hong Kong designed to improve Victoria Harbour’s water quality by collecting and treating wastewater at Stonecutters Island.
E997892 NE FINISHED

How this triple was built (5 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: Stage I of Harbour Area Treatment Scheme | Statement: [Stonecutters Island, sewagePlantStage, Stage I of Harbour Area Treatment Scheme]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Stage I of Harbour Area Treatment Scheme
Context triple: [Stonecutters Island, sewagePlantStage, Stage I of Harbour Area Treatment Scheme]
  • A. Nut Island sewage treatment facility
    Nut Island sewage treatment facility is a wastewater treatment plant in Quincy, Massachusetts, that serves as a key component of the Boston area's sewage management system.
  • B. Don River and Central Waterfront Project
    The Don River and Central Waterfront Project is a major urban revitalization and flood-protection initiative in Toronto focused on transforming the lower Don River and adjacent waterfront into a more resilient, accessible, and ecologically restored landscape.
  • C. Adyar River Restoration Project
    The Adyar River Restoration Project is an environmental initiative aimed at rehabilitating and rejuvenating the polluted Adyar River and its surrounding ecosystems in Chennai, India.
  • D. Magathane Water Treatment Plant
    Magathane Water Treatment Plant is a major facility in Mumbai responsible for treating and supplying potable water to surrounding urban areas.
  • E. Paerdegat Basin Combined Sewer Overflow Facility
    The Paerdegat Basin Combined Sewer Overflow Facility is a major wastewater management installation in Brooklyn, New York, designed to capture and treat combined sewer overflows before they enter Paerdegat Basin and Jamaica Bay.
  • 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: Stage I of Harbour Area Treatment Scheme
Triple: [Stonecutters Island, sewagePlantStage, Stage I of Harbour Area Treatment Scheme]
Generated description
Stage I of the Harbour Area Treatment Scheme is the initial large-scale sewage treatment project in Hong Kong designed to improve Victoria Harbour’s water quality by collecting and treating wastewater at Stonecutters Island.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Stage I of Harbour Area Treatment Scheme
Target entity description: Stage I of the Harbour Area Treatment Scheme is the initial large-scale sewage treatment project in Hong Kong designed to improve Victoria Harbour’s water quality by collecting and treating wastewater at Stonecutters Island.
  • A. Nut Island sewage treatment facility
    Nut Island sewage treatment facility is a wastewater treatment plant in Quincy, Massachusetts, that serves as a key component of the Boston area's sewage management system.
  • B. Don River and Central Waterfront Project
    The Don River and Central Waterfront Project is a major urban revitalization and flood-protection initiative in Toronto focused on transforming the lower Don River and adjacent waterfront into a more resilient, accessible, and ecologically restored landscape.
  • C. Adyar River Restoration Project
    The Adyar River Restoration Project is an environmental initiative aimed at rehabilitating and rejuvenating the polluted Adyar River and its surrounding ecosystems in Chennai, India.
  • D. Magathane Water Treatment Plant
    Magathane Water Treatment Plant is a major facility in Mumbai responsible for treating and supplying potable water to surrounding urban areas.
  • E. Paerdegat Basin Combined Sewer Overflow Facility
    The Paerdegat Basin Combined Sewer Overflow Facility is a major wastewater management installation in Brooklyn, New York, designed to capture and treat combined sewer overflows before they enter Paerdegat Basin and Jamaica Bay.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: sewagePlantStage
Context triple: [Stonecutters Island, sewagePlantStage, Stage I of Harbour Area Treatment Scheme]
  • A. treatmentPlantLocation
    Indicates the geographic location where a treatment plant is situated or operates.
  • B. treatsWastewaterFor
    Indicates that one entity processes and purifies wastewater on behalf of another entity or location.
  • C. stages
    Indicates that one entity organizes, presents, or sets up another entity (such as an event, performance, or situation) to take place or be displayed.
  • D. sanitationInfrastructure
    Indicates the presence, quality, or extent of facilities and systems designed to safely manage human waste and maintain hygienic environmental conditions.
  • E. stageOf chosen
    Indicates that one entity represents a particular phase, step, or developmental period within the progression or lifecycle of another entity.
  • F. None of above.

Provenance (6 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_69d7bdf084148190ab9d513dc0735af4 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d9620a7554819083784897ff690652 completed April 10, 2026, 8:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69f671bad5108190915d14c3ec3d2e27 completed May 2, 2026, 9:50 p.m.
NEDg Description generation batch_69f67286f1b8819081db3da2f5c16daf completed May 2, 2026, 9:54 p.m.
NED2 Entity disambiguation (via description) batch_69f6732ea7408190a95f0a5f983dfdb7 completed May 2, 2026, 9:57 p.m.
PD Predicate disambiguation batch_69d960c088dc8190b0e63312c54e4c6c completed April 10, 2026, 8:42 p.m.
Created at: April 9, 2026, 5:23 p.m.