@inproceedings{rooij_xtas_2013,
 title={xTAS and ThemeStreams},
 author={de Rooij, Ork and Kenter, Tom and de Rijke, Maarten},
 booktitle={Proceedings of the 13th Dutch-Belgian Workshop on Information Retrieval},
 year={2013},
 webpdf = {./pdf/rooij_xtas_2013.pdf}
}