Table 3

Analysis of false positive sentences

Reason for search failure

Percentage of total sentences (n = 29)

Run-on sentence or table contents

44.8% (n = 13)

Inappropriate category term

17.2% (n = 5)

Linguistic ambiguity

37.9% (n = 11)

Van Auken et al. BMC Bioinformatics 2009 10:228   doi:10.1186/1471-2105-10-228