Image spam is a new obfuscating method which spammers invented to more effectively bypass conventional text based spam filters. In this paper, we extract local invariant features ...
Haiqiang Zuo, Weiming Hu, Ou Wu, Yunfei Chen, Guan...
The Twenty-One project brings together environmental organisations, technology providers and research institutes from several European countries. The main objective of the project...
Wilco G. ter Stal, J.-H. Beijert, G. de Bruin, J. ...
We describe an approach for multi-modal characterization of social media by combining text features (e.g. tags as a prominent example of short, unstructured text labels) with spat...
: In this paper, we document our efforts in participating to the TREC 2007 Legal track. We had multiple aims: First, to experiment with using different query formulations, trying t...
Avi Arampatzis, Jaap Kamps, Martijn Kooken, Nir Nu...
Many applications require finding objects closest to a specified location that contains a set of keywords. For example, online yellow pages allow users to specify an address and a ...