public int SequenceIdentifierFrequency(IEnumerable <string> gram)
{
string phrase = string.Join(".", gram);
string key = UnicodeEncoder.GetUnicodeKeyFromString(phrase,
word => ReadCommands.LookupWordId(Connection, Cache, word));
if (key == null)
{
return(0);
}
return(ReadCommands.LookupIdentifierSequenceFrequency(Connection, Cache, key));
}