Table 2.

Token-based and query-based analysis of the Field Sensor on the 103K set

	Token-based comparison			Query-based comparison
	P	R	F	P	R	F
Title	0.990	0.993	0.991	0.986	0.987	0.986
Author	0.972	0.940	0.956	0.987	0.942	0.964
Date	0.910	0.955	0.932	0.978	0.955	0.967
Page	0.969	0.898	0.932	0.980	0.902	0.939
Volume	0.928	0.838	0.881	0.947	0.841	0.891
Issue	0.983	0.686	0.808	0.994	0.685	0.811
Journal	0.742	0.725	0.733	0.821	0.637	0.717

Precision/Recall/F-measure are computed for the seven fields of citation queries: Title, Author name, Date, Page, Volume, Issue and Journal Name.