In: CLEF 2007. Advances in multilingual and multimodal information retrieval. 8th workshop of the cross-language evaluation forum. Budapest, 2007. (Lecure notes in computer science 5152.).
In: Open Source Intelligence Investigation Advanced Sciences and Technologies for Security Applications Springer, Cham (Svájc), pp. 251-273. ISSN 1613-5113
Identifying Illegal Cartel Activities from Open Sources