Table 4.

Comparison of standardized similarity scores (z-scores)

 VSM, cosineVSM, L1 dist.LSA 1000fastTexttrigramRI 1000RRI 1000
Highest scores, theses without publ. 10.11 0.18 2.87 0.99 3.33 2.13 0.85 
Theses and associated publ. 11.07 −9.44 1.25 0.59 2.16 2.47 0.95 
 VSM, cosineVSM, L1 dist.LSA 1000fastTexttrigramRI 1000RRI 1000
Highest scores, theses without publ. 10.11 0.18 2.87 0.99 3.33 2.13 0.85 
Theses and associated publ. 11.07 −9.44 1.25 0.59 2.16 2.47 0.95 
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