Real-time communication has witnessed a dramatic increase in recent years user daily usage. In this domain, Session Initiation Protocol (SIP) is well-known protocol found to provide trusted services (voice or video) end users along with efficiency, scalability, and interoperability. Just like other Internet technology, SIP stores its related data databases predefined structure. recent, technolo...

This letter presents a new experiment design method for data-driven modeling and control. The idea is to select inputs online (using past input/output data), leading desirable rank properties of data Hankel matrices. In comparison the classical persistency excitation condition, this approach requires less samples even shown be completely sample efficient.

For the Traveling Salesman Problem (TSP) on Halin graphs with three types of cost functions: sum, bottleneck and balanced and with arbitrary real edge costs we compute in polynomial time the persistency partition EAll, ESome, ENone of the edge set E, where: EAll = {e ∈ E, e belongs to all optimum solutions}, ENone = {e ∈ E, e does not belong to any optimum solution} and ESome = {e ∈ E, e belong...

When graphs are implemented using tables and sets, the cost of finding and updating a vertex in the table is (logn) work and span. We can improve the asymptotic performance of certain algorithms if these operations are constant work. An array is an obvious data structure that has constant lookup, but in a functional setting the cost of changing a value in the array requires copying the whole ar...

Histologic study of the persistent ductus arteriosus in case of a congenital rubella syndrome revealed that this persistency is probably due to an arrest in the development of the ductus. Histologically, it resembles a very immature ductus and not the most common type of persistent ductus arteriosus. The earlier finding, that in the human ductus arteriosus, the presence of an extensive subendot...