olap online analytical processing

... Connectivity (ODBC) 5.3 Mô hình Hybird OLAP (HOLAP): Mơ hình OLAP lai (HOLAP) kết hợp MOLAP ROLAP OLAP - 10 - Mơ hình liệu HOLAP Lưu trữ khối (cube) cấu trúc HOLAP tốt cho truy vấn tổng hợp liệu ... truy vấn OLAP -5- Giới thiệu dịch vụ OLAP (OLAP Services) Microsoft SQL Server: Dịch vụ OLAP server tầng (midle-tier server) phục vụ cho phân tích xử lý trực tuyến (OLAP) Hệ thống dịch vụ OLAP công ... hình Relational OLAP (ROLAP): Mơ hình OLAP quan hệ (ROLAP) lưu trữ liệu sở thông tin tổng hợp bảng quan hệ Các bảng lưu trữ sở liệu bảng data mart kho liệu OLAP -9- Mơ hình liệu ROLAP Lưu trữ khối...

Ngày tải lên: 20/08/2014, 16:03

... Connectivity (ODBC) 5.3 Mơ hình Hybird OLAP (HOLAP): Mơ hình OLAP lai (HOLAP) kết hợp MOLAP ROLAP OLAP -8- Mơ hình liệu HOLAP Lưu trữ khối (cube) cấu trúc HOLAP tốt cho truy vấn tổng hợp liệu thường ... Relational OLAP (ROLAP): -7- Mơ hình OLAP quan hệ (ROLAP) lưu trữ liệu sở thông tin tổng hợp bảng quan hệ Các bảng lưu trữ sở liệu bảng data mart kho liệu Mơ hình liệu ROLAP Lưu trữ khối cấu trúc ROLAP ... vấn Giới thiệu dịch vụ OLAP (OLAP Services) Microsoft SQL Server: Dịch vụ OLAP server tầng (midle-tier server) phục vụ cho phân tích xử lý trực tuyến (OLAP) Hệ thống dịch vụ OLAP công cụ mạnh việc...

Ngày tải lên: 13/09/2017, 00:02

... Hybird OLAP (HOLAP) Là kết hợp MOLAP ROLAP +Ưu Điểm HOLAP: Lấy liệu khối nhanh (ưu điểm MOLAP) Tiêu thụ khơng gian lưu trữ MOLAP Tránh trùng lặp liệu 6.Kiến trúc khối OLAP (OLAP Cube) Đối tượng OLAP ... 1 .OLAP gì? -OLAP "On Line Analytical Processing" Tức chuyên phân tích Data theo hướng Online, mọi người tham gia thao tác phân tích Và DataWareHouse DataBase đầu vào cho q trình "On Line Analytical ... 4.So sánh OLAP với OLTP (On Line Transaction Process ) Nếu hệ thống xử lý chuyển giao liệu OLTP tập trung vào việc thu thập, lưu trữ biến đổi liệu cách chuẩn xác, OLAP (OnLine Analytical Processing) ...

Ngày tải lên: 20/08/2014, 16:03

... regarding payment processing over the Internet These include: • What is online payment processing? • How hard is it to implement online payment processing on my website? • What is an online merchant ... get an online merchant account What now? • What is PayPal? • What are chargebacks, and how can I prevent fraud in general? What is online payment processing? When researching online payment processing ... implement online payment processing on my website? If you have an existing website that currently displays your products, incorporating online processing may not be too difficult or costly Every online...

Ngày tải lên: 28/06/2014, 12:20

... regarding payment processing over the Internet These include: • What is online payment processing? • How hard is it to implement online payment processing on my website? • What is an online merchant ... get an online merchant account What now? • What is PayPal? • What are chargebacks, and how can I prevent fraud in general? What is online payment processing? When researching online payment processing ... implement online payment processing on my website? If you have an existing website that currently displays your products, incorporating online processing may not be too difficult or costly Every online...

Ngày tải lên: 28/06/2014, 18:20

... thesis, we present SHAPE, an efficient and scalable analytical processing environment based on Hadoop - an open source implementation of MapReduce To ease OLAP on large-scale data set, we provide a SQL ... However, as MapReduce has not been designed for generic data analytic workload, cloud-based analytical processing systems such as Hive and Pig need to translate a query into multiple MapReduce ... Master Thesis SHAPE: Scalable Hadoop-based Analytical Processing Environment By Fei Guo Department of Computer Science School of Computing National...

Ngày tải lên: 13/10/2015, 16:41

Ngày tải lên: 08/03/2014, 01:20

... words which are to be recognized or generated as stand-alone processing units Given the importance of what we called syntagmatic processing (probably the most attractive feature of our system) ... MORPHIS User Manual ICI, Bucharest, Romania (in RomanJan) Tufts, D.; Popescu, O 1990b Processing Idioms and Analytical Compounds Within an Integrated Dictionary Environment Research Report, ICI, ... bc processed as a single unit In accordance with this definition, the collocations, idioms and analytical compounds are syntagms A syntagm is represented in the dictionary as a pair (...

Ngày tải lên: 09/03/2014, 01:20

... Higher risk of fraud for using stolen credit cards Many discerning online shoppers will not give their credit card to an “untrusted” online merchant (you may want to consider being part of the Better ... rights in case of a dispute due to chargeback or fraudulent charge Credit cart processing with third-party credit card processing company There are many companies offering this service, so this solution ... the Better Business Bureau or similar organization to add credibility) Cons: • • • Credit cart processing with PayPal This solution involves signing up for a free PayPal Business Account Once...

Ngày tải lên: 28/06/2014, 12:20

... Higher risk of fraud for using stolen credit cards Many discerning online shoppers will not give their credit card to an “untrusted” online merchant (you may want to consider being part of the Better ... rights in case of a dispute due to chargeback or fraudulent charge Credit cart processing with third-party credit card processing company There are many companies offering this service, so this solution ... the Better Business Bureau or similar organization to add credibility) Cons: • • • Credit cart processing with PayPal This solution involves signing up for a free PayPal Business Account Once...

Ngày tải lên: 28/06/2014, 12:20

... Higher risk of fraud for using stolen credit cards Many discerning online shoppers will not give their credit card to an “untrusted” online merchant (you may want to consider being part of the Better ... rights in case of a dispute due to chargeback or fraudulent charge Credit cart processing with third-party credit card processing company There are many companies offering this service, so this solution ... the Better Business Bureau or similar organization to add credibility) Cons: • • • Credit cart processing with PayPal This solution involves signing up for a free PayPal Business Account Once...

Ngày tải lên: 28/06/2014, 18:20

... proliferation of online social networking services Nowadays, online Social Networking Sites (SNSs) has become a fast-growing business in the Internet Hundreds of millions of individual users create online ... Therefore popular online social networking sites possess huge web communities and contain enormous collections of content generated by their users Consequently, the dramatically growing online social ... 51 ix Chapter Introduction The popularity of online social network has been taken to a height that was never reached before Nowadays, online Social Network Sites (SNSs) has become a fast-growing...

Ngày tải lên: 04/10/2015, 10:24

Ngày tải lên: 11/08/2012, 21:39

Ngày tải lên: 23/08/2012, 08:48

Ngày tải lên: 09/09/2012, 16:38

Ngày tải lên: 11/09/2012, 15:49

... Chapter 22- Audio Processing 369 recordings (also discussed in Chapter 17) These types of linear techniques are the backbone of DSP Several nonlinear techniques are also useful for audio processing ... itself Don't think of this as a technical difficulty; think of it as a technical opportunity Nonlinear Audio Processing Digital filtering can improve audio signals in many ways For instance, Wiener ... stable nonlinearity is a difficult task for analog electronics One method is to use the logarithmic relationship between current and 364 The Scientist and Engineer's Guide to Digital Signal Processing...

Ngày tải lên: 13/09/2012, 09:50

... homomorphic processing, previously described in Chapter 22 Homomorphic processing is a way of handling signals combined through a nonlinear operation The strategy is to change the nonlinear problem ... function enhances the edges of objects Chapter 24- Linear Image Processing 399 a True brightness FIGURE 24-2 Mach bands Image processing in the retina results in a slowly changing edge, as in ... the center The image processing which occurs in the retina is an example of this type of filter Figure (e) shows the two-dimensional sinc function One-dimensional signal processing uses the windowed-sinc...

Ngày tải lên: 13/09/2012, 09:50

... Guide to Digital Signal Processing Second Edition by Steven W Smith California Technical Publishing San Diego, California The Scientist and Engineer's Guide to Digital Signal Processing Second Edition ... APPLICATIONS Chapter 22 Audio Processing 351 Chapter 23 Image Formation and Display 373 Chapter 24 Linear Image Processing ... Breadth and Depth of DSP The Roots of DSP Telecommunications Audio Processing Echo Location Imaging Processing Chapter Statistics, Probability and Noise 11 Signal and...

Ngày tải lên: 13/09/2012, 10:21

... advantages of digital signal processing instead of analog signal processing, even though digital signal processing requires more circuits compared to analog signal processing? x(n) Σ Σ z−1 z−1 ... digital signal processing is found in hearing aids and cardiac pacemakers Image Processing Image enhancement, image restoration, image understanding, computer vision, radar and sonar processing, ... Hence digital signal processing is restricted to approximately one megahertz, and analog signal processors are necessary for processing signals above that frequency, for example, processing of radar...

Ngày tải lên: 13/09/2012, 10:21