Which of the following is NOT true about microblogging?
A) With a typical microblogging service, registered users post short text messages or, in the case of Tumblr, individual photos.
B) The only service microblogging offers is public message distribution.
C) A microblog does not offer topic-based groups, one-to-one private messaging, or photo sharing.
D) Microblogs offer many of the community features found on larger social network sites.
D
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A characteristic rule is a rule of the form {p} ?? {q1, q2,...,qn}, where the rule antecedent contains only a single item. An itemset of size k can produce up to k characteristic rules. Let ? be the minimum confidence of all characteristic rules generated from a given itemset: Is ? monotone, anti-monotone, or non-monotone?
For each of the following measures, determine whether it is monotone, anti-
monotone, or non-monotone (i.e., neither monotone nor anti-monotone).
If the data.dat file does not exist, what will happen when the following statement is executed?
RandomAccessFile randomFile = new RandomAccessFile("data.dat", "rw"); a. An IOException will be thrown. b. The file, data.dat, will be created. c. A FileNotFoundException will be thrown. d. A compiler error will occur.