Triple

T12112495
Position Surface form Disambiguated ID Type / Status
Subject PNR Metro Commuter Line E288466 entity
Predicate hasStation P35 FINISHED
Object Tutuban station
Tutuban station is a major railway terminus in Manila, Philippines, serving as a key hub for Philippine National Railways commuter and regional services.
E1543661 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: Tutuban station | Statement: [PNR Metro Commuter Line, hasStation, Tutuban station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tutuban station
Context triple: [PNR Metro Commuter Line, hasStation, Tutuban station]
  • A. Takanawadai Station
    Takanawadai Station is a subway station in Tokyo, Japan, serving the Takanawa area on the Toei Asakusa Line.
  • B. Tadaoka Station
    Tadaoka Station is a railway station in Tadaoka, Osaka Prefecture, Japan, serving local commuter traffic on the Nankai Main Line.
  • C. Tachibana Station
    Tachibana Station is a railway station in Amagasaki, Hyōgo Prefecture, Japan, served by JR West’s Tōkaidō Main Line (JR Kobe Line).
  • D. Settsu-Tonda Station
    Settsu-Tonda Station is a railway station in Takatsuki, Osaka Prefecture, Japan, operated by JR West on the busy commuter corridor between Kyoto and Osaka.
  • E. Shinsugita Station
    Shinsugita Station is a railway station in Yokohama, Japan, serving as a local transit hub within the city's Isogo Ward.
  • 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: Tutuban station
Triple: [PNR Metro Commuter Line, hasStation, Tutuban station]
Generated description
Tutuban station is a major railway terminus in Manila, Philippines, serving as a key hub for Philippine National Railways commuter and regional services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tutuban station
Target entity description: Tutuban station is a major railway terminus in Manila, Philippines, serving as a key hub for Philippine National Railways commuter and regional services.
  • A. Takanawadai Station
    Takanawadai Station is a subway station in Tokyo, Japan, serving the Takanawa area on the Toei Asakusa Line.
  • B. Tadaoka Station
    Tadaoka Station is a railway station in Tadaoka, Osaka Prefecture, Japan, serving local commuter traffic on the Nankai Main Line.
  • C. Tachibana Station
    Tachibana Station is a railway station in Amagasaki, Hyōgo Prefecture, Japan, served by JR West’s Tōkaidō Main Line (JR Kobe Line).
  • D. Settsu-Tonda Station
    Settsu-Tonda Station is a railway station in Takatsuki, Osaka Prefecture, Japan, operated by JR West on the busy commuter corridor between Kyoto and Osaka.
  • E. Shinsugita Station
    Shinsugita Station is a railway station in Yokohama, Japan, serving as a local transit hub within the city's Isogo Ward.
  • 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_69d6ab4a5c448190a110d1273314b21a completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d9156814148190b47d63a89fcab17c completed April 10, 2026, 3:21 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0b2d499de08190b0de4b4211936aec completed May 18, 2026, 3:16 p.m.
NEDg Description generation batch_6a0b3645f5a881908b322d16c7704e27 completed May 18, 2026, 3:54 p.m.
NED2 Entity disambiguation (via description) batch_6a0b3769c36081909ff732275513bb2b completed May 18, 2026, 3:59 p.m.
Created at: April 8, 2026, 9:49 p.m.