Pricing is important for the design, operation, and management of communication networks. Pricing has been used with two different meanings in the area of communication networks. One is the “optimization-oriented” pricing for network resource allocation: it is made popular by Kelly’s seminal work on network congestion control. The Transmission Control Protocol (TCP) has been successfully […]
Tree Patterns Used in Optimization Processes
A comprehensive survey about XML tree patterns, which are nowadays considered crucial in XML querying and its optimization. We first compare TPs from a structural point of view, concluding that the richer a TP is with matching possibilities, the larger the subset of XQuery/XPath it encompasses, and thus the closer to user expectations it is. […]