Application Scenarios Biological data analysis 51 A large amount of biological data can be represented by graphs, and it is significant to analyze biological data with graph search techniques Protein-interaction network(PIN) analysis provides valuable insight into an organisms functional organization and evolutionary behavior.” For example, one can get the topological properties of a Pin formed by high- confidence human protein interactions obtained from various public interaction databases by Pin analysis 6Application Scenarios 6 • A large amount of biological data can be represented by graphs, and it is significant to analyze biological data with graph search techniques. – “Protein-interaction network (PIN) analysis provides valuable insight into an organism’s functional organization and evolutionary behavior.” Biological data analysis [5] – For example, one can get the topological properties of a PIN formed by highconfidence human protein interactions obtained from various public interaction databases by PIN analysis