igraph.graph

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Clojure only.

add-to-graph
alter-graph-dispatcher
get-intersection
make-graph
query-graph
query-var?
remove-from-graph
shared-keys
unique

Implementation of a simple graph type implementing IGraph. On typically adds to it with [[<s> <p> <o>]...]. One queries it with a simple graph pattern of the form [[<s> <p> <o>]...] With variables of the form :?x.

Implementation of a simple graph type implementing IGraph.
On typically adds to it with [[<s> <p> <o>]...].
One queries it with a simple graph pattern of the form [[<s> <p> <o>]...]
With variables of the form :?x.

raw docstring

add-to-graph^cljmultimethod

Returns <g>, with <to-add> added Where <g> is a Graph <to-add> is interpetable as a set of triples

Returns <g>, with <to-add> added
Where
<g> is a Graph
<to-add> is interpetable as a set of triples

source raw docstring

alter-graph-dispatcher^clj

(alter-graph-dispatcher g to-add-or-remove)

source

get-intersection^clj

(get-intersection g1 g2)

source

make-graph^clj

(make-graph &
            {:keys [schema contents]
             :or {schema [:igraph.graph/subject :igraph.graph/predicate
                          :igraph.graph/object]
                  contents {}}})

Returns <graph>, intialized per optional <schema> and <contents> Where <schema> is not presently used <contents> is a normal-form representation of initial contents. see also igraph/normal-form.

Returns <graph>, intialized per optional <schema> and <contents>
Where
<schema> is not presently used
<contents> is a normal-form representation of initial contents.
  see also igraph/normal-form.

source raw docstring

query-graph^clj

(query-graph g graph-pattern)

Returns #{<binding>...} for <graph-pattern> applied to <g> Where <g> is a Graph <graph-pattern> := [[<var-or-value> <var-or-value> <var-or-value>]...] <var-or-value> is in #{<var> <value>} <var> is a keyword whose name begins with '?' <value> is a value which must match an element of <g> exactly. <binding> := {<var> <matching-value>, ...} <matching-value> matches <var> within <graph-pattern> applied to <g>

Returns #{<binding>...} for <graph-pattern> applied to <g>
Where
<g> is a Graph
<graph-pattern> := [[<var-or-value> <var-or-value> <var-or-value>]...]
<var-or-value> is in #{<var> <value>}
<var> is a keyword whose name begins with '?'
<value> is a value which must match an element of <g> exactly.
<binding> := {<var> <matching-value>, ...}
<matching-value> matches <var> within <graph-pattern> applied to <g>

source raw docstring

query-var?^clj

(query-var? spec)

Returns true iff <spec> is a query variable (symbol whose name starts with ?)

Returns true iff <spec> is a query variable (symbol whose name
starts with ?)

source raw docstring

remove-from-graph^cljmultimethod

Returns <g>, with <to-add> added Where <g> is a Graph <to-add> is interpetable as a set of triples

Returns <g>, with <to-add> added
Where
<g> is a Graph
<to-add> is interpetable as a set of triples

source raw docstring

shared-keys^clj

(shared-keys m1 m2)

source

unique^clj

(unique coll)

(unique coll on-plural)

Returns the single member of <coll>, or nil if <coll> is empty. Calls <if-plural> if there is more than one member (default is to throw an Exception). Where <coll> is a collection <if-plural> := (fn [coll] ...) -> <value>, default raises an error. Note: this can be used when you've called (G s p) and you're sure there is only one object.

Returns the single member of <coll>, or nil if <coll> is empty. Calls <if-plural> if there is more than one member (default is to throw an Exception).
Where
<coll> is a collection
<if-plural> := (fn [coll] ...) -> <value>, default raises an error.
Note: this can be used when you've called (G s p) and you're sure there is
  only one object.

source raw docstring