Fingerprinting Keywords in Search Queries over Tor

Dynamics of Paedophile Keywords in eDonkey Queries

This technical report synthesizes the results of the analysis of paedophile keywords’ dynamics in two sets of eDonkey queries, collected during several months in 2007 and 2009 respectively. The goal of this work is to study the evolution of paedophile keywords’ frequency and popularity over several weeks (i.e. within a given dataset), as well as between the two different datasets. Moreover, spe...

On Realistically Attacking Tor with Website Fingerprinting

Website fingerprinting allows a local, passive observer monitoring a web-browsing client’s encrypted channel to determine her web activity. Previous attacks have shown that website fingerprinting could be a threat to anonymity networks such as Tor under laboratory conditions. However, there are significant differences between laboratory conditions and realistic conditions. First, in laboratory ...

Auctioning Keywords in Online Search

Keyword advertising, or “sponsored links” that appear alongside online search results or other online content, has grown into a multibillion-dollar market. Providers of keyword advertising, such as Google and Yahoo, profit by auctioning keywords to advertisers. An issue of increasing importance for advertising providers is the “share structure” problem—that is, of the total available resources ...

QUICK: Queries Using Inferred Concepts from Keywords

We present QUICK, an entity-based text search engine that blends keyword search with structured query processing over rich knowledge bases (KB) with massive schemas. We introduce a new formalism for structured queries based on keywords that combines the flexibility of keyword search and the expressiveness of structures queries. We propose a solution to the resulting disambiguation problem cause...

Allocating expenditures across keywords in search advertising