Table 2

Comparative analysis of literature mining tools. Eleven known p53 target genes were analyzed using five methods. The numbers represent the number of reoccurrences of each gene with the term "P53".
Gene Id	Primary Symbol	MILANO – GeneRIF^a	MILANO – Medline^a	PubMatrix^b	BEAR GeneInfo^a[17]	MicroGenie^c

1026	CDKN1A	74	4180	49	50	3058
1647	GADD45A	7	281	21	45	313
2810	SFN	2	25	25	25	0
3486	IGFBP3	1	42	36	42	36
355	TNFRSF6	25	740	418	43	707
4583	MUC2	2	29	29	29	29
4609	MYC	21	1715	1715	1715	1715
5111	PCNA	13	1269	1173	3671	1173
59	ACTA2	1	0	0	0	0
7520	XRCC5	1	52	42	42	583
9618	TRAF4	2	1	1	1570	326

^aThe search was performed with LocusLink ids as the primary search terms. ^bThe search was performed with the primary gene symbols as the primary search terms. ^cThe search was performed with UniGene ids as the primary search terms.
Rubinstein and Simon BMC Bioinformatics 2005 6:12 doi:10.1186/1471-2105-6-12