Bloom Filters is a popular technique for privacy-preserving record linkage. However, recent work by Christen et al [1] and others have shown that Bloom Filters (BF) are susceptible to different forms of frequency attack. There are many ideas on hardening BF to protect against frequency attacks, and one idea we will explore in this blog article … More Hardening Bloom Filters using Paillier Encryption
It’s not always easy for a technically competent data scientist to make the transition to a data science leadership role. Here are some interview questions I use to assess whether a candidate has successfully made that transition. Can you tell us a little bit about yourself and why you applied for this role? What is … More Interview Questions for a Data Science Leadership Role
I moved the white clouds into a bigger pond under the deck in preparation for the onslaught of Canberra winter. Here they are on 11 June. Plus some friends, on the same day. I didn’t see them for most of August, but I kept feeding every few days, hoping somehow they can beat the odds. … More Winter Tales – Part 2
I planted some daffodil seeds in mid June. A little later than recommended, but I was hoping and the seeds didn’t disappoint. By 12 August, we can see evidence of life bursting from beneath the soil. By 19 August, this looks like it’s working. By 2 Sep, one can almost glimpse the flowers. Four days … More Winter Tales – Part 1
I am reading Robert Kuok’s autobiography and these two paragraphs from the chapter Vintage 1963 jumped out at me. “Success in futures depends on your feel for the market, your instincts and rhythm. I would talk to different brokers. Each company had bright, young English traders. One or two would be a little cunning, but, … More Robert Kuok’s Trading Algorithm from 1963
Financial intelligence is not an easy area to get into. There are not that many textbooks on the subject. There are also many information silos, and what one sees is often limited to the immediate surrounds of where one sits in the entire ecosystem. Having spent the last 2.5 years working with practitioners of financial … More The Financial Intelligence Ecosystem
As is well known, the Paillier encryption system supports addition of two encrypted numbers and the scalar multiplication of a constant and an encrypted number. I learned recently one can compare two encrypted numbers and multiply two encrypted numbers in Paillier by making a trip to the private key holder. Let’s first look at comparison. … More Multiplication and Comparison Operations in Paillier
Combating terrorist financing
My Irrational Life
Updates on my research and expository papers, discussion of open problems, and other maths-related topics. By Terence Tao
