Database

Information Retrieval

Multiple Choice Questions: Please choose only one answer per question Q1 – Which of the following is false regarding Information Retrieval (IR)? ☐ Classic IR originated in the scientific domain and library records. ☐ Web IR mainly focuses on finding information of unstructured nature.  IR satisfies information needs from within small collections. ☐ Cu

CS | 121 | Information Retrieval | assessment | Multiple Choice Questions: Ple

Multiple Choice Questions: Please choose only one answer per question Q1 – Imagine you seek to perform search engine optimization (SEO) for your website, which of the following approaches would be legitimate to use. ☐ Simulate that your site has been running for many years.  Having relevant content, well written and organized. ☐ Posting links pointing to

Multiple Choice Questions: Please choose only one answer per question Q1 – Imagine you are constructing Tiered Indexes to improve the efficiency of your search engine. Which of the following statements is true ? ☐ You will place the less relevant tier on the top to be processed in the first place. ☐ You can only break the index by term frequency. ☐ You can only br

Multiple Choice Questions: Please choose only one answer per question Q1 – Which of the following is not a technique of BSBI (Blocked sort-based Indexing)? ☐ Hashing terms (hash = termID) to save space. ☐ Keeping a record of (term, termID) in main memory. ☐ Saving n blocks of (termID, docID) in disk.  Accumulate postings in postings lists as they occur withou

Page 1/2 Multiple Choice Questions: Please choose only one answer per question Q1 – Imagine you have a collection of a million documents (N) with an average of 1,000 words per document and a total of M=500,000 terms (unique words). Which of the following statement is false regarding its Term-Document Incidence Matrix ? ☐ The matrix would be extremely sparse

All courses in CS

Popular Documents