数据仓库专业术语表.docx

1、数据仓库专业术语表数据仓库专业术语表AAccess Path The path chosen by a database management system to retrieve the requested data. Access Provider A company which provides its customers a service whereby they can access the Internet.The user normally connects to the access providers computer via a modem using a dial up

2、 connection. Active Attack A persistent security assault by someone trying to gain restricted access by altering data.There are multiple techniques,decryption for example,which can be used to lead the attack.Active Server Pages (ASP) Active server pages are a set of software components that run on a

3、 Web server and allow Web developers to build dynamic Web pages.Activity-Based Costing (ABC) Activity-based costing (ABC) is an information system that maintains and processes data on a firms activities and products.It identifies the activities performed,traces cost to these activities,and then uses

4、 various cost drivers to trace the cost of activities to products.Activity-Based Management (ABM) Activity-based management(ABM) is the use of the activity-based costing tool by process owners to control and improve their operations.Because process analysis is conducted in the building of an activit

5、y-based cost model,management knows its business much better and can consequently evaluate value-added and non-value-added activities.Because a certain volume of work produces a certain outcome,What ifanalysis can be conducted to determine what resources are required of operations are scaled back or

6、 expanded.Ad Clicks Also called clickthroughs.The number of times a user clicks on an online ad,often measured as a function of time(ad clicks per day).Ad Hoc Query Any query that cannot be determined prior to the moment the query is issued. A query that consists of dynamically constructed SQL,which

7、 is usually constructed by desktop-resident query tools.Ad Hoc Query Tool An end-user tool that accepts an English-like or point-and-click request for data and constructs an ad-hoc query to retrieve the desired result.Administrative Data In a data warehouse,the data that helps a warehouse administra

8、tor manage the warehouse.Examples of administrative data are user profiles and order history data. Aggregate Data Data that is the result of applying a process to combine data elements.Data that is taken collectively or in summary form.Aggregator This is an e-commerce business model in which the Web

9、 site sells products or services which it does not produce or warehouse.An aggregator creates an environment where multiple providers (sellers) must compete on terms determined by the use. Alerts A notification from an event that has exceeded a pre-defined threshold. Analyst Someone who creates view

10、s for analytic interpretation of data,performs calculations and distributes the resulting information in the form of reports. Analytic Applications Packaged software that meets three distinct conditions:process support,separation of function and time-oriented,integrated data.Analytic applications ex

11、pand the reach of business intelligence to an extended user base,packaging these technologies in a business context. Analytics The process and techniques for the exploration and analysis of business data to discover and identify new and meaningful information and trends that allow for analysis to ta

12、ke place.Applet A small Java program that can be embedded in an HTML page.They cannot access certain resources on local computers such as files and serial devices and are prohibited from communication with most other computers across a network. Application Service Provider (ASP) ASPs provide the inf

13、rastructure needed to deliver reliable application access,including enterprise applications,hardware platforms,operating systems,database systems,network hardware as well as the technical expertise to make it all work for a monthly service charge. ASCII American Standard Code for Information Interch

14、ange.An eight-bit code for character representation,includes seven bits plus parity. ASP Application Service Provider.A company that offers access over the Internet to application programs and related services that would otherwise have to be located in other own personal or enterprise computers. Ato

15、mic Data Data elements that represent the lowest level of detail.For example,in a daily sales report,the individual items sold would be atomic data,while rollups such as invoice and summary totals from invoices are aggregate data. Attribute A field represented by a column within an object (entity).A

16、n object may be a table,view or report.An attribute is also associated with an SGML(HTML) tag used to further define the usage. Authorization Request A request initiated by a consumer to access data for which the consumer does not presently have access privileges. Authorization Rules Criteria used t

17、o determine whether or not an individual,group,or application may access reference data or a process. Availability User access to applications and/or data stores that reside and execute on computing systems accessing information that resides in files and databases supported by an organizations vario

18、us operating environments. BB2B Business-to-business commerce conducted over the Web. B2C Business-to-consumer commerce conducted over the Internet.It links consumers to commercial entities in one-way networks. Balanced Scorecard A comprehensive,top-down view of organizational performance with a str

19、ong focus on vision and strategy.In 1992 the founding fathers of the Balanced Scorecard,Drs.Robert Kaplan and David Norton,debuted their methodology in the Harvard Business Review.Then,in 1996,they released The Balanced Scorecard Translating Strategy into Action,the so-called bible of the Balanced S

20、corecard. Balanced Scorecard Collaborative A professional services firm dedicated to the worldwide awareness,use,enhancement and integrity of the balanced scorecard as a value-added management process. Balanced Scorecard Collaborative Certification An industry-standard certification offered to softw

21、are providers whose balanced scorecard applications meet the functional standards of Kaplan and Norton.These are applications that will enable end users to achieve the benefits of the balanced scorecard management process. Baldrige Criteria for Performance Excellence Criteria providing a systems per

22、spective for understanding performance management.They reflect validated, leading management practices against which an organization can measure itself.With their acceptance nationally and internationally as the model for performance excellence,the criteria represent a common language for communicat

23、ion among organizations for sharing best practices. Banner A picture or graphic that stretches horizontally across a Web page.These can be used to title the Web page,start or separate different sections,create links to other Web pages,or provide a place for advertisements. Banner Advertising A marke

24、ting mechanism that contains strips of advertisements that are sporadically positioned on a web page and are extremely popular on the World Wide Web.These types of ads generally take up a considerable amount of bandwidth and are sometimes disturbing to the Web user. Base Tables The normalized data s

25、tructures maintained in the target warehousing database.Also known as the detail data. Basel II New Accord (Basel 2,New Accord) This is a set of banking standards,which will regulate finance and banking for countries in the European Union.The Basel Committee on Banking Supervision is tasked with the

26、 goal to complete the New Accord by mid-year 2004,with implementation to take effect in member countries by year-end 2006.To that end,work already has begun in a number of countries on draft rules that would integrate Basel capital standards with national capital regimes.Basel II is focused specific

27、ally on global banks and financial institutions and ensures liquidity of those institutions for the protection of public trust. Benchmarking A point of reference for measurement. Benefit Segmentation The process of grouping customers into market segments according to the benefits they seek from the

28、product.Refers to their needs and wants only.Best Practices A case study considered to be a good example of a business discipline. Bidirectional Extracts The ability to extract,cleanse and transfer data in two directions among different types of databases,including hierarchical,networked and relatio

29、nal databases. Braking Mechanism A software mechanism that prevents users from querying the operational database once transaction loads reach a certain level. Bricks and Mortar Refers to businesses that exist in the real world as opposed to just the cyber world such as bricks-and-mortar retail outle

30、ts,bricks-and-mortar warehouses,etc. Browser The generic term for software programs that retrieve,display and print information World Wide Web.The most popular browsers are Microsoft Internet Explorer,Netscape Navigator and Mosaic.Mosaic was the first browser to introduce graphics.Previously,users w

31、ere only allowed to view the text of Web pages.Currently,Microsoft Outlook is the most popular browser in the world. Bulk Data Transfer A software-based mechanism designed to move large data files.It supports compression,blocking and buffering to optimize transfer times. Business Activity Monitoring

32、 (BAM) BAM is a business solution that is supported by an advanced technical infrastructure that enables rapid insight into new business strategies,the reduction of operating cost by real-time identification of issues and improved process performance.Business Architecture One of the four layers of an information systems architecture.A business architecture describes the functions a business performs and the information it uses. Business Continuity The degree to which an organization may achieve u