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%                                                                           %
% File:            molluscs.dtr                                             %
% Purpose:         reconstruction of standard AI semantic net example       %
%                  illustrates simple inheritance and defaults in DATR      %
%                  used to generate data set for constructive induction     %
% Author:          Gerald Gazdar, 7 July 1994                               %
% Email:           geraldg@cogs.sussex.ac.uk                                %
% Address:         COGS, Sussex University, Brighton BN1 9QH, UK            %
% Documentation:   Fahlman et al., IJCAI-81, 257-263, inter alia            %
% Related files:   birds_1.dtr                                              %
% Version:         2.01                                                     %
%      Copyright (c) University of Sussex 1994.  All rights reserved.       %
%                                                                           %
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Mollusk:        <> == Invertebrate
                <backbone> == absent
                <mantle> == present
                <feeding> == radula
                <circulation> == open
                <breathing> == gills
                <ink_sac> == no
                <food> == carnivore
                <sexes> == distinct
                <habitat> == aquatic.

Cephalopod:     <> == Mollusk
                <shell> == internal
                <circulation> == closed
                <locomotion> == siphon_jet
                <ink_sac> == yes.

Gastropod:      <> == Mollusk
                <food> == herbivore
                <sexes> == nondistinct
                <locomotion> == crawls.

Bivalve:        <> == Mollusk
                <feeding> == filter
                <food> == plankton
                <locomotion> == sedentary
                <shell> == bivalve.

Nautilus:       <> == Cephalopod
                <ink_sac> == no
                <shell> == chambered.

Squid:          <> == Cephalopod.

Cuttlefish:     <> == Cephalopod.

Octopus:        <> == Cephalopod
                <shell> == none.

Snail:          <> == Gastropod
                <breathing> == lung
                <habitat> == terrestial
                <shell> == univalve.

Whelk:          <> == Gastropod
                <sexes> == distinct
                <food> == carnivore
                <shell> == univalve.

Limpet:         <> == Gastropod
                <sexes> == distinct
                <locomotion> == sedentary
                <shell> == univalve.

Slug:           <> == Gastropod
                <shell> == none
                <breathing> == lung
                <habitat> == terrestial.

Sea_Slug:       <> == Gastropod
                <shell> == none
                <locomotion> == swims
                <food> == carnivore.

Clam:           <> == Bivalve
                <locomotion> == burrow.

Scallop:        <> == Bivalve
                <locomotion> == valve_jet.

Oyster:         <> == Bivalve.

Mussel:         <> == Bivalve.


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# hide Mollusk Cephalopod Gastropod Bivalve .

# show
                <backbone>
                <breathing>
                <circulation>
                <feeding>
                <food>
                <habitat>
                <ink_sac>
                <locomotion>
                <mantle>
                <sexes>
                <shell>.

% The next line is the Revision Control System Id: do not delete it.
% $Id: archive.dtr,v 1.1 1997/04/09 20:40:33 root Exp $