public LexiconRelation(final IIndexManager indexManager,final String namespace,final Long timestamp,final Properties properties){
  this(null,indexManager,namespace,timestamp,properties);
}

public LexiconRelation ( final IIndexManager indexManager , final String namespace , final Long timestamp , final Properties properties ) { this ( null , indexManager , namespace , timestamp , properties ) ; }
note : the term : id and id : term indices must use unisolated write operation to ensure consistency without write - write conflicts . the only exception would be a read - historical view .
