With more and more large networks becoming available, mining and querying such networks are increasingly important tasks which are not being supported by database models and query...
A communication trace is a detailed record of the communication between two entities. Communication traces are vital for research in computer networks and protocols in many domain...
We systematically compare five representative state-of-theart methods for estimating query language models with pseudo feedback in ad hoc information retrieval, including two var...
Bitmap indexes are widely used in Decision Support Systems (DSSs) to improve query performance. In this paper, we evaluate the use of compressed inverted indexes with adapted quer...
We investigate the automatic generation of topic pages as an alternative to the current Web search paradigm. We describe a general framework, which combines query log analysis to ...