Read the following paper on a database clustering: https://www

Read the following paper on a database clustering: https://www.vldb.org/pvldb/vol15/p285-yu.pdf Answer the following three questions using your language to demonstrate your understanding of the paper: (1) Explain the research problems and the technical contributions of this paper (12 lines) (2) Explain the new techniques introduced in the paper. (40 lines) (3) Give your critiques on the technical aspect of this paper. (5-8 lines) FORMAT: Left and right margin should be 1 inch Use font size of 11 You may cite the diagrams (e.g., Fifure 2) and references (e.g. [12]) in the original paper, but do not copy the original art work into your homework. You may use one extra page for your own references and illustrations if needed.