If by "semantic frequency" you mean word sense frequency, see the
WordNet semantic concordance (specifically the 'cntlist' files). You
can obtain WNsemcor from <URL:http://www.cogsci.princeton.edu/~wn/obtain/>.
Cheers,
Philip
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Philip Resnik, Assistant Professor
Department of Linguistics and Institute for Advanced Computer Studies
1401 Marie Mount Hall UMIACS phone: (301) 405-6760
University of Maryland Linguistics phone: (301) 405-8903
College Park, MD 20742 USA Fax : (301) 405-7104
http://umiacs.umd.edu/~resnik E-mail: resnik@umiacs.umd.edu