Development of a Stemmer for the Greek Language - SAIS

The rule removes the suffixes Ε∆ΕΣ and Ε∆ΩΝ for a group of words.
Example:
ΚΑΦΕΣ ΚΑΦ
ΚΑΦΕ∆ΩΝ ΚΑΦ
The rule doesn’t affect the group of words that by chance have similar suffixes.
Example:
ΓΗΠΕ∆Ο ΓΗΠΕ∆
ΓΗΠΕ∆ΩΝ ΓΗΠΕ∆
Rule-set 3
if (word ends on ΟΥ∆ΕΣ|ΟΥ∆ΩΝ){
remove the suffix;
if (remaining part ends on ΑΡΚ|ΚΑΛΙΑΚ|ΛΙΧ…){
add “ΟΥ∆”;
}
}
The rule removes the suffixes ΟΥ∆ΕΣ and ΟΥ∆ΩΝ for a group of words.
Example:
ΠΑΠΠΟΥΣ ΠΑΠΠ
ΠΑΠΠΟΥ∆ΩΝ ΠΑΠΠ
The rule doesn’t affect the group of words that by chance have similar suffixes.
Example:
ΑΡΚΟΥ∆Α ΑΡΚΟΥ∆
ΑΡΚΟΥ∆ΕΣ ΑΡΚΟΥ∆
Rule-set 4
if (word ends on ΕΩΣ|ΕΩΝ){
remove the suffix;
if (remaining part is Θ|∆|ΕΛ|ΓΑΛ…){
add “Ε”;
}
}
The rule removes the suffixes ΕΩΣ and ΕΩΝ for a group of words.
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