@article{Ounis:2007:8380,
	      Author = {Ounis,I.;Lioma,C.;Macdonald,C.;Plachouras,V.},
	       Journal = {Novatica/UPGRADE Special Issue on Web Information Access, Ricardo Baeza-Yates et al. (Eds), Invited Paper},
                          Title = {Research Directions in Terrier}, 
                          Publisher =
	      {N/A},
	      Year = {2007}}