Table 7 Reject and accept rules consecution for n-grams (n ≥ 3)
Description | Examples |
|---|---|
GeneralChemTermRule (accept rule) (the same rule as for 2-grams) | |
StrictFilteringTagRule (reject trule) (the same rule as for 2-grams) | |
ShortTokensRule (reject rule) (the same rule as for 2-grams) | |
IdenticalTokensRule (reject rule) (the same rule as for 2-grams) | |
UnitsRule (reject rule) (the same rule as for 2-grams) | |
ManyGramPOSRule (accept rule with exception) True, if the fist token must be tagged with one of the following POS tags (noun, gerund, adjective, adverb or participle): NN, NNP, VBG, VBD, VBN, JJ, JJR, RB, RBS, FW and the middle in any position token (+ preposition or determiner): NN, NNP, VBG, VBD, VBN, JJ, JJR, RB, RBS, FW + IN, DT and the last token: VBG,NN,NNP,NNPS,NNS (gerund or noun) Exception—the following combinations are not allowed (describing phrases which looks like to be torn from their context): «first token:VBG ->second token NN or IN» , «first token:VBN ->second token NN or:JJ» | Term-like: X-ray fluorescence spectrometer; Brønsted basic site; Pd(110) surface oscillation; doping CsPW with platinum; catalyzed N2O decomposition; crystalline phase transition; catalyzed oxidation of NO; complete photoreduction of Pd(II); propagating thermosynthesis; reforming of the biomass; drying inside the microscope column Filtered due to exception:used during steam reforming; catalyzed by metalloporphyrin; investigated by XRD; using atomic absorption |