“All these things you can enter the query, and within sub-second, get results, ah, where it's actually going through, ah, well, billions of documents, and finding the relevant results.”
quote is from the automated transcript, cleaned for reading:
filler sounds and stutters are removed, nothing is rephrased. names can be misheard
(the analysis reads context, assessments check outside sources). how →
More from Mayur Thakur
Opinion
Thakur avoids buzzwords like NLP and machine learning in system design
“Notice I did not quite use buzzwords like NLP, or deep learning, or data science, or machine learning, which I could very well have used, but I don't think it's that useful.”
Mayur ThakurDec 19, 2017▶ 14:43Surveillance Platform for Banks // Mayur Thakur, Goldman Sachs (FirstMark's Data Driven)
Disclosure
Goldman Sachs targets 95% recall and 20% precision for compliance surveillance
“And we generally hold ourselves to, you know, It's a very recall-driven, if people know what that means, but I'll describe quickly what it means. It's like, the, we want to catch a lot of things that we should be catching, like, 95% of that, right? The more th…”
Mayur ThakurDec 19, 2017▶ 22:58Surveillance Platform for Banks // Mayur Thakur, Goldman Sachs (FirstMark's Data Driven)
Insight
Detecting market manipulation is essentially a database joining problem
“A problem about manipulating the market comes down to a problem about kind of joining databases, really, right?”
Mayur ThakurDec 19, 2017▶ 9:22Surveillance Platform for Banks // Mayur Thakur, Goldman Sachs (FirstMark's Data Driven)
AssertionNot checkable as stated
Every single alert from Goldman Sachs' compliance surveillance is reviewed manually
“Every single alert that we produce is looked by some human.”
Mayur ThakurDec 19, 2017▶ 19:03Surveillance Platform for Banks // Mayur Thakur, Goldman Sachs (FirstMark's Data Driven)
AssertionNot checkable as stated
Goldman Sachs' internal surveillance graph has 100M nodes and 1B edges
“Or in our case, slightly smaller than the Facebook graph, but still about a hundred million nodes and about a billion edges.”
Mayur ThakurDec 19, 2017▶ 5:11Surveillance Platform for Banks // Mayur Thakur, Goldman Sachs (FirstMark's Data Driven)
AssertionNot checkable as stated
Goldman Sachs indexes up to 3 billion internal communications for surveillance
“Think of all the emails, all the chats, all the Bloomberg messages that come or go out of Goldman as being the, ah, the data behind it, right? So like two to three billion documents, ah, behind, billion documents behind it.”
Mayur ThakurDec 19, 2017▶ 10:20Surveillance Platform for Banks // Mayur Thakur, Goldman Sachs (FirstMark's Data Driven)
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