'Data cube' presentation slideshows

1.47k views • 90 slides

2.02k views • 86 slides

NHSC PACS

964 views • 71 slides

Data Warehousing and OLAP

Data Warehousing and OLAP. ENGI3675 Database Systems. Introduction. Cow book chapter 25 Data mining book chapter 4 Useful to analyze historical data Discover trends Make more informed decisions Decision support Requires comprehensive databases Data from several separate sources

661 views • 49 slides

Data Mining: Concepts and Techniques

Data Mining: Concepts and Techniques. Chapter 2: Data Preprocessing. Why preprocess the data? Descriptive data summarization Data cleaning Data integration and transformation Data reduction Discretization and concept hierarchy generation Summary. Major Tasks in Data Preprocessing.

735 views • 47 slides

Data Warehousing

Data Warehousing. What is a data warehouse? A multi-dimensional data model Data warehouse architecture Data warehouse implementation Further development of data cube technology. What is Data Warehouse?. Defined in many different ways, but not rigorously.

628 views • 45 slides

On-Line Application Processing

On-Line Application Processing. Warehousing Data Cubes Data Mining. Overview. Traditional database systems are tuned to many, small, simple queries. Some new applications use fewer, more time-consuming, complex queries.

541 views • 43 slides

Integrating time series of Landsat -based information into FIA's estimation process

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Joining the Borg: Creating the Library Cube

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ProClarity: Practical Applications

ProClarity: Practical Applications. Thomas R. Emmendorfer, PharmD Assistant Chief Consultant Pharmacy Benefits Management (PBM) Services. Learning Objectives. At the end of the presentation, the participant will understand: T he principles of how data cubes are organized

469 views • 32 slides

Supporting Ad-Hoc Ranking Aggregates

Supporting Ad-Hoc Ranking Aggregates. Chengkai Li (UIUC) joint work with Kevin Chang (UIUC) Ihab Ilyas (Waterloo). Ranking (Top-k) Queries. Find the top k answers with respect to a ranking function , which often is the aggregation of multiple criteria .

611 views • 30 slides

Multiple Dashboards

Multiple Dashboards. Presentation to the HEDA User Group November 2013. David Bleazard Director: Institutional Planning bleazardd@cput.ac.za. Objective. To provide an overview of the introduction of multiple dashboards at CPUT To show the first four dashboards developed

425 views • 28 slides

Cube Computation and Indexes for Data Warehouses CPS 196.03 Notes 7

Cube Computation and Indexes for Data Warehouses CPS 196.03 Notes 7. Client. Client. Query & Analysis. Metadata. Warehouse. Integration. Source. Source. Source. Processing. ROLAP servers vs. MOLAP servers Index Structures Cube computation What to Materialize? Algorithms. ROLAP

422 views • 28 slides

Cardinality-based Inference Control in OLAP Systems An Information Theoretic Approach

Cardinality-based Inference Control in OLAP Systems An Information Theoretic Approach. Nan Zhang Texas A&M University This is a joint work with Dr. Wei Zhao and Dr. Jianer Chen. Privacy Concern. Growing Privacy Concern in Database Applications on the Internet (e.g., Data Mining)

260 views • 24 slides

Data Cubes for Eco-Science Can One Size Fit All?

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MIS2502: Data Analytics Dimensional Data Modeling

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Data Analysis

Data Analysis. OLTP and OLAP Data Warehouse SQL for Data Analysis Data Mining. Data Processing. Data processing types OLTP ( On Line Transaction Processing ) OLAP ( On-line Analytical Processing ) Database types Transactional Numerous users Dynamic ( flickering )

306 views • 20 slides

Fundamentals of Data Cube & OLAP Operations

Fundamentals of Data Cube & OLAP Operations. Data as Table. Multidimensional (3D) Table. Sample Data cube. Cuboids. Summarization - Cuboids. data at different degrees of summarization

332 views • 16 slides

Misc Topics 2

Misc Topics 2. Amol Deshpande CMSC424. Topics. OLAP Data Warehouses Information Retrieval. OLAP. On-line Analytical Processing Why ? Exploratory analysis Interactive Different queries than typical SPJ SQL queries Data CUBE A summary structure used for this purpose

169 views • 6 slides