Ownership of Association ends by an associated Classifier may be indicated graphically by a small filled circle, which for brevity we will term a dot.

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Association and Property - some cases
SysMLv1: Some invalid multiplicity examples with navigable and non-navigable Association ends. In Cameo Systems Modeler with validation.
Association and Property - some cases - with dot notation and ownership indicators
Source
Unified Modeling Language 2.5.1
Copyright information
About Object Management Group copyright in text extracts quoted from OMG specifications for educational purposes
Snippet kind
INFO
UML keywords
Association
Classifier
Property::isNavigable()
Association::navigableOwnedEnd
Association::ownedEnd
Association::memberEnd
Element::owner
AggregationKind
Property::aggregation
ownership dot
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Ownership of Association ends by an associated Classifier may be indicated graphically by a small filled circle, which for brevity we will term a dot.
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The dot is to be drawn integral to the graphic path of the line, at the point where it meets the Classifier, inserted between the end of the line and the side of the node representing the Classifier.
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Navigability notation was often used in the past according to an informal convention, whereby non-navigable ends were assumed to be owned by the Association whereas navigable ends were assumed to be owned by the Classifier at the opposite end. DEPRECATED.
Aggregation type, navigability, and end ownership are separate concepts, each with their own explicit notation. Association ends owned by classes are always navigable, while those owned by associations may be navigable or not.
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The dot shows that the model includes a Property of the type represented by the Classifier touched by the dot. This Property is owned by the Classifier at the other end.
The supported variety of notations for associations and association annotations has been reduced to simplify the burden of teaching, learning, and interpreting SysML diagrams for the systems engineering user.
Notational and metamodel support for n-ary associations and qualified associations has been excluded from SysML.
The use of navigation arrowheads on an association has been simplified by excluding the case of arrowheads on both ends, and requiring that such an association always be shown without arrowheads on either end.
An “X” on a single end of an association to indicate that an end is not navigable has similarly been dropped, as has the use of a small filled dot at the end of an association to indicate that the end is owned by the associated classifier.
An “X” on a single end of an association to indicate that an end is not navigable has similarly been dropped, as has the use of a small filled dot at the end of an association to indicate that the end is owned by the associated classifier.
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