Triple

T17543531
Position Surface form Disambiguated ID Type / Status
Subject Metropolitan Water District of Southern California E427265 entity
Predicate abbreviation P43 FINISHED
Object MWD
MWD is a regional wholesale water agency that supplies treated and untreated water to member public utilities across Southern California.
 E1275081 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: MWD | Statement: [Metropolitan Water District of Southern California, abbreviation, MWD]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MWD
Context triple: [Metropolitan Water District of Southern California, abbreviation, MWD]
  • A. MDW
    MDW is the three-letter National Rail station code for Maidstone West railway station in Kent, England.
  • B. MDW
    MDW is the IATA airport code for Chicago Midway International Airport, a major commercial airport serving the Chicago metropolitan area in Illinois, USA.
  • C. MOW
    MOW is a dense, salty water mass originating from the Mediterranean Sea that flows into the Atlantic Ocean and significantly influences its thermohaline circulation.
  • D. MOW
    MOW is the IATA city code representing Moscow’s airports in Russia.
  • E. MWA
    MWA is the commonly used abbreviation for Mystery Writers of America, a prominent organization dedicated to crime and mystery writers.
  • 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: MWD
Triple: [Metropolitan Water District of Southern California, abbreviation, MWD]
Generated description
MWD is a regional wholesale water agency that supplies treated and untreated water to member public utilities across Southern California.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: MWD
Target entity description: MWD is a regional wholesale water agency that supplies treated and untreated water to member public utilities across Southern California.
  • A. MDW
    MDW is the three-letter National Rail station code for Maidstone West railway station in Kent, England.
  • B. MDW
    MDW is the IATA airport code for Chicago Midway International Airport, a major commercial airport serving the Chicago metropolitan area in Illinois, USA.
  • C. MOW
    MOW is a dense, salty water mass originating from the Mediterranean Sea that flows into the Atlantic Ocean and significantly influences its thermohaline circulation.
  • D. MOW
    MOW is the IATA city code representing Moscow’s airports in Russia.
  • E. MWA
    MWA is the commonly used abbreviation for Mystery Writers of America, a prominent organization dedicated to crime and mystery writers.
  • 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_69d889df6dc081908f67dbadc03c07ee completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e4545fe29c8190a586c75419fa14ea completed April 19, 2026, 4:04 a.m.
NED1 Entity disambiguation (via context triple) batch_6a01d28b45c88190b16b9437920f0e5d completed May 11, 2026, 12:58 p.m.
NEDg Description generation batch_6a01d43430d481909b07d8ecc09a185f completed May 11, 2026, 1:05 p.m.
NED2 Entity disambiguation (via description) batch_6a01d4c609fc819089147744317d4be3 completed May 11, 2026, 1:08 p.m.
Created at: April 10, 2026, 5:49 a.m.