Triple

T3543738
Position Surface form Disambiguated ID Type / Status
Subject TD Ameritrade E74945 entity
Predicate tickerSymbol P1447 FINISHED
Object AMTD
AMTD is the stock ticker symbol for TD Ameritrade, a major U.S.-based online brokerage and financial services firm.
 E367344 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: AMTD | Statement: [TD Ameritrade, tickerSymbol, AMTD]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: AMTD
Context triple: [TD Ameritrade, tickerSymbol, AMTD]
  • A. AMTK
    AMTK is the reporting mark used by Amtrak, the United States’ national passenger railroad service, to identify its locomotives and rolling stock.
  • B. ATMB
    ATMB is a French company responsible for managing and operating major alpine transport infrastructure, including the Mont Blanc Tunnel.
  • C. MTD
    MTD is the public bus transit agency serving the Champaign–Urbana metropolitan area in Illinois.
  • D. AMT
    AMT is the standard time zone used in Armenia, corresponding to UTC+4 hours.
  • E. AMRO
    AMRO is the World Health Organization’s Regional Office responsible for public health leadership and coordination across the Americas.
  • 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: AMTD
Triple: [TD Ameritrade, tickerSymbol, AMTD]
Generated description
AMTD is the stock ticker symbol for TD Ameritrade, a major U.S.-based online brokerage and financial services firm.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: AMTD
Target entity description: AMTD is the stock ticker symbol for TD Ameritrade, a major U.S.-based online brokerage and financial services firm.
  • A. AMTK
    AMTK is the reporting mark used by Amtrak, the United States’ national passenger railroad service, to identify its locomotives and rolling stock.
  • B. ATMB
    ATMB is a French company responsible for managing and operating major alpine transport infrastructure, including the Mont Blanc Tunnel.
  • C. MTD
    MTD is the public bus transit agency serving the Champaign–Urbana metropolitan area in Illinois.
  • D. AMT
    AMT is the standard time zone used in Armenia, corresponding to UTC+4 hours.
  • E. AMRO
    AMRO is the World Health Organization’s Regional Office responsible for public health leadership and coordination across the Americas.
  • 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_69ad85d274cc8190ab59c97298a1cfbf completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adbf752dd481909226044ffe595338 completed March 8, 2026, 6:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69b38bdd0cb4819086119b54c2708850 completed March 13, 2026, 4 a.m.
NEDg Description generation batch_69b38cb6a2188190b68f4903144a0e51 completed March 13, 2026, 4:04 a.m.
NED2 Entity disambiguation (via description) batch_69b39062a10c8190bc227c02cf4f3ab1 completed March 13, 2026, 4:19 a.m.
Created at: March 8, 2026, 3:20 p.m.