semantic-db: new RELATION: syntax
Alex Chapman
parent
3df71e5447
commit
43aba96e8c
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@ -5,7 +5,6 @@ sequences sorting tools.test tools.walker ;
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IN: semantic-db.tests
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SYMBOL: context
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SYMBOL: has-parent-relation
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: db-path "semantic-db-test.db" temp-file ;
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: test-db db-path sqlite-db ;
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@ -22,43 +21,43 @@ test-db [
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[ 5 ] [ 1 2 3 create-arc ] unit-test
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] with-db delete-db
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test-db [
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init-semantic-db
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"test content" create-context context set
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[ 4 ] [ context get ] unit-test
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[ 5 ] [ "is test content" context get create-relation ] unit-test
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[ 5 ] [ "is test content" context get get-relation ] unit-test
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[ 5 ] [ "is test content" context get relation-id ] unit-test
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[ 7 ] [ "has parent" context get relation-id ] unit-test
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[ 7 ] [ "has parent" context get relation-id ] unit-test
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[ "has parent" ] [ "has parent" context get relation-id node-content ] unit-test
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[ "test content" ] [ context get node-content ] unit-test
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] with-db delete-db
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! test hierarchy
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test-db [
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init-semantic-db
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"family tree" create-context context set
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"has parent" context get relation-id has-parent-relation set
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"adam" create-node "adam" set
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"eve" create-node "eve" set
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"bob" create-node "bob" set
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"fran" create-node "fran" set
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"charlie" create-node "charlie" set
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"gertrude" create-node "gertrude" set
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[ t ] [ "adam" get "bob" get has-parent-relation get parent-child integer? ] unit-test
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{ { "eve" "bob" } { "eve" "fran" } { "bob" "gertrude" } { "bob" "fran" } { "fran" "charlie" } } [ first2 [ get ] 2apply has-parent-relation get parent-child drop ] each
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[ { "bob" "fran" } ] [ "eve" get has-parent-relation get children [ node-content ] map ] unit-test
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[ { "adam" "eve" } ] [ "bob" get has-parent-relation get parents [ node-content ] map ] unit-test
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[ "fran" { "charlie" } ] [ "fran" get has-parent-relation get get-node-hierarchy dup tree-id node-content swap tree-children [ tree-id node-content ] map ] unit-test
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[ { "adam" "eve" } ] [ "charlie" get has-parent-relation get get-root-nodes [ node-content ] map natural-sort >array ] unit-test
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[ { } ] [ "fran" get "charlie" get tuck has-parent-relation get un-parent-child has-parent-relation get parents [ node-content ] map ] unit-test
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] with-db delete-db
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RELATION: test-relation
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test-db [
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init-semantic-db
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[ 5 ] [ test-relation ] unit-test
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] with-db delete-db
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test-db [
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init-semantic-db
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"test content" create-context context set
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[ 4 ] [ context get ] unit-test
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[ 5 ] [ "is test content" context get create-relation ] unit-test
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[ 5 ] [ "is test content" context get get-relation ] unit-test
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[ 5 ] [ "is test content" context get relation-id ] unit-test
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[ 7 ] [ "has parent" context get relation-id ] unit-test
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[ 7 ] [ "has parent" context get relation-id ] unit-test
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[ "has parent" ] [ "has parent" context get relation-id node-content ] unit-test
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[ "test content" ] [ context get node-content ] unit-test
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] with-db delete-db
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! "test1" f f f f f <relation-definition> define-relation
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! "test2" t t t t t <relation-definition> define-relation
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RELATION: test
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test-db [
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init-semantic-db
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[ 5 ] [ test-relation ] unit-test
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] with-db delete-db
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! test hierarchy
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RELATION: has-parent
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test-db [
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init-semantic-db
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"adam" create-node "adam" set
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"eve" create-node "eve" set
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"bob" create-node "bob" set
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"fran" create-node "fran" set
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"charlie" create-node "charlie" set
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"gertrude" create-node "gertrude" set
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[ t ] [ "bob" get "adam" get has-parent integer? ] unit-test
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{ { "bob" "eve" } { "fran" "eve" } { "gertrude" "bob" } { "fran" "bob" } { "charlie" "fran" } } [ first2 [ get ] 2apply has-parent drop ] each
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[ { "bob" "fran" } ] [ "eve" get has-parent-relation children [ node-content ] map ] unit-test
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[ { "adam" "eve" } ] [ "bob" get has-parent-relation parents [ node-content ] map ] unit-test
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[ "fran" { "charlie" } ] [ "fran" get has-parent-relation get-node-hierarchy dup tree-id node-content swap tree-children [ tree-id node-content ] map ] unit-test
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[ { "adam" "eve" } ] [ "charlie" get has-parent-relation get-root-nodes [ node-content ] map natural-sort >array ] unit-test
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[ { } ] [ "charlie" get dup "fran" get !has-parent has-parent-relation parents [ node-content ] map ] unit-test
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] with-db delete-db
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@ -1,6 +1,6 @@
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! Copyright (C) 2008 Alex Chapman
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors arrays combinators.cleave continuations db db.tuples db.types db.sqlite hashtables kernel math math.parser namespaces new-slots parser sequences sequences.deep sequences.lib words ;
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USING: accessors arrays combinators combinators.cleave continuations db db.tuples db.types db.sqlite hashtables kernel math math.parser namespaces new-slots parser sequences sequences.deep sequences.lib strings words ;
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IN: semantic-db
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TUPLE: node id content ;
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@ -54,18 +54,18 @@ TUPLE: arc id subject object relation ;
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: select-arc-subjects ( subject object relation -- subject-ids )
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select-arcs [ subject>> ] map ;
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: select-subjects ( object relation -- subject-ids )
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f -rot select-arc-subjects ;
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: select-arc-objects ( subject object relation -- object-ids )
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select-arcs [ object>> ] map ;
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: select-objects ( subject relation -- object-ids )
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f swap select-arc-objects ;
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: delete-arcs ( subject object relation -- )
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select-arcs [ id>> delete-arc ] each ;
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: subject-relation ( subject relation -- subject object relation )
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f swap ;
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: object-relation ( object relation -- subject object relation )
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f -rot ;
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arc "arc"
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{
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{ "id" "id" INTEGER +assigned-id+ } ! foreign key to node table?
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@ -139,28 +139,67 @@ arc "arc"
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: relation-id ( relation-name context-id -- relation-id )
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[ get-relation ] [ create-relation ] ensure2 ;
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! RELATION: is-fooey
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! - define a word is-fooey in the current vocab (foo), that when called:
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! - finds or creates a node called "is-fooey" with context "foo", and returns its id
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TUPLE: relation-definition relate id-word unrelate related? subjects objects ;
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C: <relation-definition> relation-definition
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<PRIVATE
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: default-word-name ( relate-word-name word-type -- word-name )
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{
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{ "relate" [ ] }
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{ "id-word" [ "-relation" append ] }
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{ "unrelate" [ "!" swap append ] }
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{ "related?" [ "?" append ] }
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{ "subjects" [ "-subjects" append ] }
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{ "objects" [ "-objects" append ] }
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} case ;
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: choose-word-name ( relation-definition given-word-name word-type -- word-name )
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over string? [
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drop nip
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] [
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nip [ relate>> ] dip default-word-name
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] if ;
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: (define-relation-word) ( id-word word-name definition -- id-word )
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>r create-in over [ execute ] curry r> compose define ;
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: define-relation-word ( relation-definition id-word given-word-name word-type definition -- relation-definition id-word )
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>r >r [
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pick swap r> choose-word-name r> (define-relation-word)
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] [
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r> r> 2drop
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] if* ;
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: define-relation-words ( relation-definition id-word -- )
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over relate>> "relate" [ create-arc ] define-relation-word
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over unrelate>> "unrelate" [ delete-arcs ] define-relation-word
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over related?>> "related?" [ has-arc? ] define-relation-word
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over subjects>> "subjects" [ select-subjects ] define-relation-word
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over objects>> "objects" [ select-objects ] define-relation-word
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2drop ;
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: define-id-word ( relation-definition id-word -- )
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[ relate>> ] dip tuck word-vocabulary
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[ context-id relation-id ] 2curry define ;
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: create-id-word ( relation-definition -- id-word )
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dup id-word>> "id-word" choose-word-name create-in ;
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PRIVATE>
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: define-relation ( relation-definition -- )
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dup create-id-word 2dup define-id-word define-relation-words ;
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: RELATION:
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CREATE-WORD dup [ word-name ] [ word-vocabulary ] bi
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[ context-id relation-id ] 2curry define ; parsing
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scan t t t t t <relation-definition> define-relation ; parsing
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! hierarchy
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TUPLE: tree id children ;
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C: <tree> tree
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: parent-child ( parent child has-parent-relation -- arc-id )
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swapd create-arc ;
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: un-parent-child ( parent child has-parent-relation -- )
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swapd delete-arcs ;
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: children ( node-id has-parent-relation -- children )
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object-relation select-arc-subjects ;
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: parents ( node-id has-parent-relation -- parents )
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subject-relation select-arc-objects ;
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: children ( node-id has-parent-relation -- children ) select-subjects ;
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: parents ( node-id has-parent-relation -- parents ) select-objects ;
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: get-node-hierarchy ( node-id has-parent-relation -- tree )
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2dup children >r [ get-node-hierarchy ] curry r> swap map <tree> ;
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@ -175,14 +214,3 @@ C: <tree> tree
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: get-root-nodes ( node-id has-parent-relation -- root-nodes )
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(get-root-nodes) flatten prune ;
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! sets
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: in-set ( member set in-set-relation -- arc-id ) create-arc ;
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: in-set? ( member set in-set-relation -- ? ) has-arc? ;
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: set-members ( set in-set-relation -- members )
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object-relation select-arc-subjects ;
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! attributes
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: has-attribute ( node value has-attribute-relation -- arc-id ) create-arc ;
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: has-attribute? ( node value has-attribute-relation -- ? ) has-arc? ;
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: nodes-with-attribute ( value has-attribute-relation -- node-ids )
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object-relation select-arc-subjects ;
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