Triple

T12576760
Position Surface form Disambiguated ID Type / Status
Subject Westwood, Los Angeles E300226 entity
Predicate hasPlannedTransit P10988 FINISHED
Object Metro D Line extension station (Wilshire/Westwood)
Metro D Line extension station (Wilshire/Westwood) is a planned Los Angeles Metro subway stop on the D Line that will serve the Westwood area near Wilshire Boulevard.
 E990577 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: Metro D Line extension station (Wilshire/Westwood) | Statement: [Westwood, Los Angeles, hasPlannedTransit, Metro D Line extension station (Wilshire/Westwood)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metro D Line extension station (Wilshire/Westwood)
Context triple: [Westwood, Los Angeles, hasPlannedTransit, Metro D Line extension station (Wilshire/Westwood)]
  • A. Downtown Inglewood station
    Downtown Inglewood station is an elevated Los Angeles Metro Rail stop in Inglewood, California, serving the K Line and providing access to the city’s central business district.
  • B. Van Nuys Government Center Metro station
    Van Nuys Government Center Metro station is a public transit rail station in the Van Nuys neighborhood of Los Angeles that serves as a key access point to local government offices and surrounding civic facilities.
  • C. Expo/Sepulveda station
    Expo/Sepulveda station is an elevated Los Angeles Metro Rail stop in West Los Angeles serving the E Line near the intersection of Sepulveda Boulevard and Exposition Boulevard.
  • D. Universal City/Studio City station
    Universal City/Studio City station is a Los Angeles Metro Rail subway stop serving the Universal City and Studio City areas near Universal Studios Hollywood.
  • E. Baldwin Park station
    Baldwin Park station is a commuter rail stop in Baldwin Park, California, served by Metrolink trains on the San Bernardino Line.
  • 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: Metro D Line extension station (Wilshire/Westwood)
Triple: [Westwood, Los Angeles, hasPlannedTransit, Metro D Line extension station (Wilshire/Westwood)]
Generated description
Metro D Line extension station (Wilshire/Westwood) is a planned Los Angeles Metro subway stop on the D Line that will serve the Westwood area near Wilshire Boulevard.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Metro D Line extension station (Wilshire/Westwood)
Target entity description: Metro D Line extension station (Wilshire/Westwood) is a planned Los Angeles Metro subway stop on the D Line that will serve the Westwood area near Wilshire Boulevard.
  • A. Downtown Inglewood station
    Downtown Inglewood station is an elevated Los Angeles Metro Rail stop in Inglewood, California, serving the K Line and providing access to the city’s central business district.
  • B. Van Nuys Government Center Metro station
    Van Nuys Government Center Metro station is a public transit rail station in the Van Nuys neighborhood of Los Angeles that serves as a key access point to local government offices and surrounding civic facilities.
  • C. Expo/Sepulveda station
    Expo/Sepulveda station is an elevated Los Angeles Metro Rail stop in West Los Angeles serving the E Line near the intersection of Sepulveda Boulevard and Exposition Boulevard.
  • D. Universal City/Studio City station
    Universal City/Studio City station is a Los Angeles Metro Rail subway stop serving the Universal City and Studio City areas near Universal Studios Hollywood.
  • E. Baldwin Park station
    Baldwin Park station is a commuter rail stop in Baldwin Park, California, served by Metrolink trains on the San Bernardino Line.
  • 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_69d7bde87b648190bcd0266e9efde098 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d954a73c148190bba8f16b1232fd46 completed April 10, 2026, 7:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69f65597dc70819089ddc1794e9bd1b7 completed May 2, 2026, 7:50 p.m.
NEDg Description generation batch_69f656f812bc8190a2a691285fc30e03 completed May 2, 2026, 7:56 p.m.
NED2 Entity disambiguation (via description) batch_69f657ea0c6c8190992a0101904e92f2 completed May 2, 2026, 8 p.m.
Created at: April 9, 2026, 4:51 p.m.