Shill bidding at an auction occurs when a fraudster accepts payment for an item and then fails to deliver it

Assume that the support threshold is equal to 30%.

Given the lattice structure shown in Figure 6.4 and the transactions given in Table 6.3, label each node with the following letter(s): • M if the node is a maximal frequent itemset, • C if it is a closed frequent itemset, • N if it is frequent but neither maximal nor closed, and • I if it is infrequent.

In 1946, Dr. John von Neumann developed ______________ , noting that it is easier to put instructions in the computer's memory than it is to connect wires and set switches.

a. the first assembler b. the first editor c. the stored program concept d. PASCAL e. LISP