Triple
T8291798
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Charles Schwab Corporation |
E193914
|
entity |
| Predicate | acquired |
P2511
|
FINISHED |
| Object | TD Ameritrade |
E74945
|
NE FINISHED |
How this triple was built (2 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: TD Ameritrade | Statement: [Charles Schwab Corporation, acquired, TD Ameritrade]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: TD Ameritrade Context triple: [Charles Schwab Corporation, acquired, TD Ameritrade]
-
A.
TD Ameritrade
chosen
TD Ameritrade is a major U.S.-based online brokerage firm known for providing retail investors with trading platforms for stocks, options, ETFs, and other financial products.
-
B.
Scottrade
Scottrade was an American online discount brokerage firm known for providing low-cost trading services to individual investors before being acquired by TD Ameritrade.
-
C.
E-Trade
E-Trade is an online brokerage and financial services company known for pioneering electronic trading for retail investors and for its high-profile, humorous advertising campaigns.
-
D.
Charles Schwab Corporation
Charles Schwab Corporation is a major American financial services company best known for its discount brokerage, wealth management, and banking services.
-
E.
TD Ameritrade (historical headquarters)
TD Ameritrade (historical headquarters) refers to the former main corporate offices of the online brokerage firm TD Ameritrade, which was based in Omaha, Nebraska before its acquisition by Charles Schwab.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ca82e32db481908b72f3804fa71152 |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cb7c9ccbfc81908825685c23b80d23 |
completed | March 31, 2026, 7:49 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cd68916c5481908c42f259298b0670 |
completed | April 1, 2026, 6:48 p.m. |
Created at: March 30, 2026, 5:52 p.m.