Database outsourcing is an important emerging trend which involves data owners delegating their data management needs to an external service provider. Since a service provider is a...
We propose and evaluate two indexing schemes for improving the efficiency of data retrieval in high-dimensional databases that are incomplete. These schemes are novel in that the ...
Researchers of commercial search engines often collect data using the application programming interface (API) or by "scraping" results from the web user interface (WUI),...
Web search engines face an extremely heterogeneous user population from web novices to highly skilled experts. Currently, the search strategies of the experienced web searchers ar...
A surprising query result is often an indication of errors in the query or the underlying data. Recent work suggests using causal reasoning to find explanations for the surprisin...
Alexandra Meliou, Wolfgang Gatterbauer, Suman Nath...