8/29/2002CSCI-5991 Multidimensional Databases Overview.

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Presentation transcript:

8/29/2002CSCI-5991 Multidimensional Databases Overview

8/29/2002CSCI-5992 Course Information CSCI599- Multidimensional Databases Lecture Hours: Thursday 3:30-6:20pm Location: THH 116 URL:

8/29/2002CSCI-5993 Instructor Dr. Cyrus Shahabi University of Southern California Computer Science Department SAL Office (PHE-410): (213) Lab (PHE-306): (213) Office Hours: Mon, Thu (1:30-2:30pm)

8/29/2002CSCI-5994 Grading: Each student should present one (or more) paper and complete one implementation project related to the multidimensional databases. Presentation: 50% Project: 50 % (Suggested Projects) Course prerequisite: CSCI585 or CSCI-599 (Spatial and Temporal Database)

8/29/2002CSCI-5995 Course Summary During the past decade,the multidimensional data model emerged for use when the objective is to analyze data rather than to perform online transactions. In contrast to previous technologies, these databases view data as multidimensional cubes that are particularly well suited for data analysis. Multidimensional data models have three important application areas within data analysis:  Data warehouses are large repositories that integrate data from several sources in an enterprise for analysis.  Online analytical processing (OLAP) systems provide fast answers for queries that aggregate large amounts of detail data to find overall trends.  Data mining applications seek to discover knowledge by searching semi-automatically for previously unknown patterns and relationships in multidimensional databases.

8/29/2002CSCI-5996 Reading List We divide the topics of this seminar into seven parts: Introduction OLAP Approximation Index Structures Space Transformation Dimension Reduction Multidimensional Data Mining.

8/29/2002CSCI-5997 AIMS: An Immersidata Management System With Immersive Environments, a user is immersed into an augmented or virtual reality environment in order to interact with people, objects, places, and databases. In order to facilitate a natural interaction (beyond keyboard and mouse), the users in typical immersive environments are traced and monitored through various sensory devices such as: tracking devices on their heads, hands, and legs, video cameras and haptic devices. We call this data type, immersidata, which is defined as the data acquired from a user's interactions with an immersive environment. Immersidata can be treated as multidimensional form of data.

8/29/2002CSCI-5998 Management of immersidata is challenging  Multidimensional  Spatio-Temporal  Continuous Data Streams (CDS)  Potentially large in size and bandwidth requirements  Noisy

8/29/2002CSCI-5999 AIMS Subsystems  Basic Database Functionality for Immersidata Mehrdad Jahangiri  Immersidata Acquisition, Analysis, and Query Kiyoung Yang  Immersidata Modeling towards Data Mining Mehdi Sharifzadeh  Customized Querying and Rendering for Immersidata Yi-Shin Chen