After this step, appropriate statistical contextual rules are applied to the permitted places, in order to specifically determine word variants.
We searched scientific literature on anxiety related to hysteroscopy from PubMed, Scopus and PsychINFO online databases, using the keywords "anxiety" and "hysteroscopy" including thin word variants.
Using the word variants, generated by static and dynamic models, in the lexicon of the SHENAVA Persian continuous speech recognizer, relative word error rate reductions as high as 8.1%andd 11.6% are obtained, respectively.
Particularly problematic is the conflation of word variants that express a semantic role difference.
Table 7 provides a list of common word variants identified during the manual analysis of classification errors.
The search term combination captured the concept "pregnancy and weight" incorporating MeSH, free text, and word variants.
The search term combination captured the concept diarrhea, practice guidelines and children, using a variety of index terms, text words and word variants.
13 17 18 We searched Medline and Embase databases up to 2008 using relevant terms and word variants for the interventions and study design.
DARE was searched electronically with word variants of relevant terms (diagnostic, screening, test, likelihood ratio, sensitivity, specificity, positive and negative predictive value) combined using OR.
This analysis revealed a number of areas of improvement, including handling word variants (e.g., "pneumonitis" or "pneumonic" as variants for "pneumonia") in the death certificates, word-phrase combinations and class confusions (e.g., E10 vs. E11).
The search strategy used relevant medical subheadings (MeSH), text words and word variants for endometrial cancer and combined these with the terms for the index tests and lymphadenopathy (see Additional file 1).
