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As would be evident from the foregoing description, literature search is essentially a process of information retrieval. The term "Information Retrieval" was coined by Calvin Mooers in 1950, who described it as "searching and retrieval of information from storage, according to specification by subject". Retrieval of information is the objective in the process of communication between human beings. The process of communication involves the following steps:
i) Collection of information;
ii) Selection of information for inclusion into the system;
iii) Classification and/or indexing;
iv) Dissemination;
v) Storage for future recovery; and
vi) Retrieval.
However, the process of communication of information is increasingly getting difficult due to the following factors
I define a restricted form of TMs M as follows. Given any input x on the tape of M, the initial portion of the tape that holds x is read-only and one-way. That is, M cannot write o
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Write an ARM subroutine which will extract a substring from a string. You will need to use the library routine malloc to allocate memory for the new string. The subroutine signatu
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