Triple

T9842069
Position Surface form Disambiguated ID Type / Status
Subject Madera Amtrak station E239250 entity
Predicate hasStationCode P1289 FINISHED
Object MDR
MDR is the Amtrak station code for Madera station in Madera, California, used for passenger rail ticketing and scheduling.
 E825356 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: MDR | Statement: [Madera Amtrak station, hasStationCode, MDR]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MDR
Context triple: [Madera Amtrak station, hasStationCode, MDR]
  • A. MDR
    MDR is the European Union’s comprehensive regulatory framework governing the safety, performance, and market approval of medical devices.
  • B. MDRX
    MDRX is the stock ticker symbol for Allscripts, a healthcare information technology company known for its electronic health record and practice management solutions.
  • C. MDE
    MDE is the state agency in Maryland responsible for protecting and restoring the environment and public health through regulation, monitoring, and enforcement of environmental laws.
  • D. MDC
    MDC is a Zimbabwean opposition political party known as the Movement for Democratic Change, which has played a major role in challenging the long-standing rule of ZANU–PF.
  • E. MDAR
    MDAR is the Massachusetts state agency responsible for promoting agriculture, supporting farmers, and overseeing agricultural policy, food safety, and related environmental resources.
  • 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: MDR
Triple: [Madera Amtrak station, hasStationCode, MDR]
Generated description
MDR is the Amtrak station code for Madera station in Madera, California, used for passenger rail ticketing and scheduling.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: MDR
Target entity description: MDR is the Amtrak station code for Madera station in Madera, California, used for passenger rail ticketing and scheduling.
  • A. MDR
    MDR is the European Union’s comprehensive regulatory framework governing the safety, performance, and market approval of medical devices.
  • B. MDRX
    MDRX is the stock ticker symbol for Allscripts, a healthcare information technology company known for its electronic health record and practice management solutions.
  • C. MDE
    MDE is the state agency in Maryland responsible for protecting and restoring the environment and public health through regulation, monitoring, and enforcement of environmental laws.
  • D. MDC
    MDC is a Zimbabwean opposition political party known as the Movement for Democratic Change, which has played a major role in challenging the long-standing rule of ZANU–PF.
  • E. MDAR
    MDAR is the Massachusetts state agency responsible for promoting agriculture, supporting farmers, and overseeing agricultural policy, food safety, and related environmental resources.
  • 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_69ca84e3f0c48190ada72a65ebd50efd completed March 30, 2026, 2:12 p.m.
NER Named-entity recognition batch_69cdb34e3420819084bb31170e643cd0 completed April 2, 2026, 12:07 a.m.
NED1 Entity disambiguation (via context triple) batch_69d1d5d9673c8190ada27bef9220798d completed April 5, 2026, 3:24 a.m.
NEDg Description generation batch_69d1d6815e28819081788393cda63bc0 completed April 5, 2026, 3:26 a.m.
NED2 Entity disambiguation (via description) batch_69d1d74e7a148190a9470745bfd7ad42 completed April 5, 2026, 3:30 a.m.
Created at: March 30, 2026, 8:33 p.m.