Generating alternative queries, also known as query suggestion, has long been proved useful to help a user explore and express his information need. In many scenarios, such sugges...
Structured documents contain elements defined by the author(s) and annotations assigned by other people or processes. Structured documents pose challenges for probabilistic retrie...
In many application areas, for example in design or media production processes, several authors have to work cooperatively on the same project. Thereby, a frequently used data for...
A recently proposed approach to address privacy concerns in storing web search querylogs is bundling logs of multiple users together. In this work we investigate privacy leaks tha...
The typical workload in a database system consists of a mixture of multiple queries of different types, running concurrently and interacting with each other. Hence, optimizing per...