Users frequently modify a previous search query in hope of retrieving better results. These modifications are called query reformulations or query refinements. Existing research h...
Most human activities occur around where the user is physically located. Knowing the geographical serving area of web resources, therefore, is very important for many web applicat...
Qi Zhang, Xing Xie, Lee Wang, Lihua Yue, Wei-Ying ...
We present TOURVIZ, a system that helps its users to interactively visualize and make sense in large network datasets. In particular, it takes as input a set of nodes the user spe...
Duen Horng Chau, Leman Akoglu, Jilles Vreeken, Han...
Given a large number of search engines on the Internet, it is di cult for a person to determine which search engines could serve his/her information needs. A common solution is to...
King-Lup Liu, Clement T. Yu, Weiyi Meng, Adrian Sa...
We consider a network of autonomous peers forming a logically global but physically distributed search engine, where every peer has its own local collection generated by independe...
Josiane Xavier Parreira, Sebastian Michel, Gerhard...