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Facebook's Graph API allows websites to draw information about more objects than simply people, including photos, events, and pages, and their relationships between each other. This expands the social graph concept to more than just relationships between individuals and instead applies it to virtual non-human objects between individuals, as well.
Object relations theory is a school of thought in psychoanalytic theory and psychoanalysis centered around theories of stages of ego development. Its concerns include the relation of the psyche to others in childhood and the exploration of relationships between external people, as well as internal images and the relations found in them. [1]
Unbalanced graphs represent a group of people who are very likely to change their opinions of the people in their group. For example, a group of 3 people (A, B, and C) where A and B have a positive relationship, B and C have a positive relationship, and yet C and A have a negative relationship, is an unbalanced cycle.
Chen's notation for entity–relationship modeling uses rectangles to represent entity sets, and diamonds to represent relationships appropriate for first-class objects: they can have attributes and relationships of their own. If an entity set participates in a relationship set, they are connected with a line.
The following outline is provided as an overview of and topical guide to interpersonal relationships.. Interpersonal relationship – association between two or more people; this association may be based on limerence, love, solidarity, regular business interactions, or some other type of social commitment.
Frames were good for representing the real world, described as classes, subclasses, slots (data values) with various constraints on possible values. Rules were good for representing and utilizing complex logic such as the process to make a medical diagnosis. Integrated systems were developed that combined frames and rules.
Concept mapping can also be seen as a first step in ontology-building, and can also be used flexibly to represent formal argument — similar to argument maps. Concept maps are widely used in education and business. Uses include: Note taking and summarizing gleaning key concepts, their relationships and hierarchy from documents and source materials
An ontology is a description (like a formal specification of a program) of the concepts and relationships that can formally exist for an agent or a community of agents. This definition is consistent with the usage of ontology as set of concept definitions, but more general. And it is a different sense of the word than its use in philosophy. [17]