Given the amount of information generated on daily basis, automatic indexing is considered as one of the most efficient ways to index and organize information. However, it has been criticized as ineffective since it relies on the use of keywords with very little association among them. Discuss the Pros and Cons of automatic indexing in relation to other methods such as controlled vocabulary and subject headings Use at least 4 sources in this post. (Minimum 4 in-text sources required)