Global Immutable Region Computation

• Main Authors: ZHANG, Jilian, MOURATIDIS, Kyriakos, PANG, Hwee Hwa
• 格式: text
• 語言: English
• 出版: Institutional Knowledge at Singapore Management University 2014
• 主題: Sensitivity analysis; Top-k search; algorithms; Data dimensions; Query vectors; Sensitivity measures; Synthetic datasets; Top-k query processing; User's preferences; Weight setting; Databases and Information Systems; Theory and Algorithms
• 在線閱讀: https://ink.library.smu.edu.sg/sis_research/2223; https://ink.library.smu.edu.sg/context/sis_research/article/3223/viewcontent/SIGMOD14_GIR.pdf
• 機構: Singapore Management University

A top-k query shortlists the k records in a dataset that best match the user's preferences. To indicate her preferences, the user typically determines a numeric weight for each data dimension (i.e., attribute). We refer to these weights collectively as the query vector. Based on this vector, ea...