Databases have achieved orders-of-magnitude performance improvements by changing the layout of stored data – for instance, by arranging data in columns or compressing it before ...
Today the major web search engines answer queries by showing ten result snippets, which need to be inspected by users for identifying relevant results. In this paper we investigat...
The Web of Data has emerged as a way of exposing structured linked data on the Web. It builds on the central building blocks of the Web (URIs, HTTP) and benefits from its simplic...
People strive to obtain self-knowledge. A class of systems called personal informatics is appearing that help people collect and reflect on personal information. However, there is...
Deictic reference – pointing at things during conversation – is ubiquitous in human communication, and should also be an important tool in distributed collaborative virtual en...