Angel Sancho Ferrer Jose Manuel Mateo Rivero Alejandro Mesas García Improvements in Recall and Precision in Wolters Kluwer Spain Legal Search Engine. 130-145 2008 Computable Models of the Law, Languages, Dialogues, Games, Ontologies http://dx.doi.org/10.1007/978-3-540-85569-9_9 series/lncs/4884 db/series/lncs/lncs4884.html#FerrerRG08