Frequency list

Frequency limit:
word Freq
P | N filtering mechanism 2
P | N electronic discussions 2
P | N summaries 1
P | N information retrieval 1
P | N help-desk users and operators 1
P | N help-desk applications 1
P | N features 1
P | N electronic newsgroup discussions 1
P | N clustering process 1
P | N clustering and filtering processes 1
P | N clustering 1
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