Howell, Jim <br/><br/>
S-Trees: a new way to handle, subjective rules 

<br/><br/>Concepts that express subjectivity may be ignored if a number can't be pinned on them. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>S-TREES
<br/><br/><label>Universal Decimal Class. No.: </label>H004.8 AIE