00490nam a2200145Ia 4500020001800000082001700018100002400035245009900059260004800158300001100206504002600217650002500243650003000268650004600298  a9783790821338  a025.04 NEU-R  aNeumann, Andreas W. 0aRecommender systems for information providers: designing customer centric paths to information  aHeidelbergbPhysica-Verlag Heidelbergc2009  ax, 158  aincludes bibliography  aInformation services  aInformation organisations  aInformation storage and retrieval systems