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High-dimensional olap minimal cubing

Web10 mag 2024 · Motivation of High-D OLAP Challenge to current cubing methods: The “curse of dimensionality’’ problem Iceberg cube and compressed cubes: only delay the … WebFlexible analysis can be efficiently performed based on the concept of observation layer and minimal interesting layer . Third, an efficient stream data cubing algorithm is developed which computes only the layers (cuboids) along a popular path and leaves the other cuboids for query-driven, on-line computation.

High-Dimensional OLAP: A Minimal Cubing Approach

Web31 dic 2004 · Data analysis tasks may involve a high dimensional space, but most OLAP operations are performed only on a small number of dimensions at a time. Using inverted … WebAmong these categories, we believe that the first one, efficient computation of full or iceberg cubes, plays a ke... High-Dimensional OLAP: A Minimal Cubing Approach by Xiaolei Li, Jiawei Han, Hector Gonzalez - Proceedings of 2004 International Conference on Very Large Data Bases (VLDB’04, 2004 blackjack addiction https://zigglezag.com

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WebThe pre-computation of data cubes is critical for improving the response time of OLAP systems and accelerating data mining tasks in large data warehouses. However, as the … Web9 lug 2004 · High-Dimensional OLAP: A Minimal Cubing Approach Xiaolei Li Jiawei Han Hector Gonzalez Request PDF Home Database Management Computer Science Databases Data Warehouse High-Dimensional OLAP: A... Web1 set 1997 · A data cube is a popular organization for summary data. A cube is simply a multidimensional structure that contains at each point an aggregate value, i.e., the result of applying an aggregate function to an underlying relation. In practical situations, cubes can require a large amount of storage. gandalf artwork

数据泛化 data cube computation and data generalization.ppt

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High-dimensional olap minimal cubing

[PDF] Quasi-cubes: exploiting approximations in multidimensional ...

WebIn a high dimensional data warehouse, it might not be practical to build all these cuboids and their indices. In this paper, we propose a hierarchical cubing algorithm to partition … WebCiteSeerX — High-Dimensional OLAP: A Minimal Cubing Approach CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Data cube has been …

High-dimensional olap minimal cubing

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Web14 ago 2024 · These systems provide OLAP tools for interactive analysis of multidimensional data. OLAP is the acronym for Online Analytical Processing. In OLAP, information is classified by dimensions. OLAP cubes are usually pre-compiled to improve query time in relational databases. WebCiteSeerX — High-Dimensional OLAP: A Minimal Cubing Approach CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Data cube has been playing an essential role in fast OLAP (online analytical processing) in many multi-dimensional data warehouses.

WebThe algorithm has two components: decomposition of the cube space based on multiple dimension attributes, and an efficient OLAP query engine based on a prefix bitmap … Web11 giu 2007 · PHC: a rapid parallel hierarchical cubing algorithm on high dimensional OLAP. Authors: Kongfa Hu. Department of Computer Science and Engineering, …

Web9 lug 2004 · The paper concludes by introducing a new method whereby multi-dimensional group-by queries, reminiscent of OLAP/Datacube queries but with more flexibility, can be … Based on this observation, we propose a novel method that computes a thin layer of the data cube together with associated value-list indices. This layer, while being manageable in size, will be capable of supporting flexible and fast OLAP operations in the original high dimensional space.

Web31 dic 2012 · hierarchical cubing algorithm, based on an extension of the previous minimal cubing approach. This method partitions the high dimensional data cube into low multi …

WebTo discover high-level dynamic and evolving characteristics, one may need to perform multi-level, multi-dimensional on-line analytical processing (OLAP) of stream data. Such … blackjack adhesive toolstationWebminimal cubing approach high-dimensional olap data set data cube fast olap olap operation full mate-rialization mod-erate size original high dimensional space cient … blackjack addiction youtubeWeb30 ago 2004 · High-dimensional OLAP: a minimal cubing approach Book Chapter•DOI• High-dimensional OLAP: a minimal cubing approach Xiaolei Li1, Jiawei Han1, Hector … blackjack actionsWeb27 nov 2007 · In this paper, we propose a hierarchical cubing algorithm to partition the high dimensional data cube into low dimensional cube segments. It permits a significant … gandalf at the gates of moriaWeb31 dic 2003 · For efficient cube computation in various data distributions, this chapter proposes an interesting cube computation method, Star-Cubing, that integrates the strength of both top-down and... blackjack aectraWebHigh-dimensional OLAP: a minimal cubing approach. In VLDB, pages 528--539, 2004. C. X. Lin, B. Ding, J. Han, F. Zhu, and B. Zhao. Text cube: Computing IR measures for multidimensional text database analysis. In ICDM, pages 905--910, 2008. E. Lo, B. Kao, W.-S. Ho, S. D. Lee, C. K. Chui, and D. W. Cheung. OLAP on sequence data. gandalf based on odinWebIn this paper, we present a comprehensive architectural model for a fully parallelized OLAP server. Our multi-node platform actually consists of a series of largely independent sibling servers that are “glued” together with a lightweight … gandalf azure